CMakeLists.txt 60.2 KB
Newer Older
1
2
3
4
5
6
############################################################################################################################
##
## waLBerla's main cmake file
##
## Contents:
##   - definition of build options
7
##   - compiler variables ( c++ standard, warnings etc. )
8
##   - Finding of service libraries. Required: none, Optional: Boost, MPI, FFTW3, METIS, OpenMesh, Python
9
10
##     the include paths are set, and the libraries are added to variable SERVICE_LIBS
##   - Subdirectory cmake lists are called
11
12
##       -> src/   this folder contains all modules, each module (that contains c or cpp files) is linked to a
##                 static library.  Dependencies between these shared libraries are tracked manually,
13
14
15
##                 for more information see waLBerlaModuleDependencySystem.cmake
##       -> tests/ Same subdirectories as src/ folder. Contains tests for each module
##   - Export of variables into internal cache variables, for usage in applications or projects that use walberla as
16
##     subdirectory. Variables containing the service-libs,
17
18
19
20
21
22
23
24
25
26
27
##
############################################################################################################################



############################################################################################################################
##
## Project name, version, Custom CMake functions
##
############################################################################################################################

28
CMAKE_MINIMUM_REQUIRED (VERSION 3.10)
29
30


31
PROJECT ( walberla )
32
33
34
35
36

set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${walberla_SOURCE_DIR}/cmake )

include ( waLBerlaFunctions )

37
set_version( 6 0 )
38

Michael Kuron's avatar
Michael Kuron committed
39
include( CMakeParseArguments )
40

41
42
43
44
# Enable CTest
enable_testing()
include( CTest )

45

46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
############################################################################################################################




############################################################################################################################
##
## Definition of build options
##
############################################################################################################################


# Build options
option ( WALBERLA_DOUBLE_ACCURACY           "Floating point accuracy, defaults to double"     ON )
option ( WALBERLA_ENABLE_GUI                "Compile with GUI"                                   )
61

62
63
64
65
option ( WALBERLA_BUILD_TESTS               "Build Testcases"                                    )
option ( WALBERLA_BUILD_BENCHMARKS          "Build Benchmarks"                                ON )
option ( WALBERLA_BUILD_TOOLS               "Build Tools"                                        )
option ( WALBERLA_BUILD_TUTORIALS           "Build Tutorials"                                 ON )
Christoph Rettinger's avatar
Christoph Rettinger committed
66
option ( WALBERLA_BUILD_SHOWCASES           "Build Showcases"                                OFF )
67
option ( WALBERLA_BUILD_DOC                 "Build Documentation"                             ON )
68

69
option ( WALBERLA_BUILD_WITH_MPI            "Build with MPI"                                  ON )
70
option ( WALBERLA_BUILD_WITH_METIS          "Build with metis graph partitioner"             OFF )
71
option ( WALBERLA_BUILD_WITH_PARMETIS       "Build with ParMetis graph partitioner"          OFF )
72

73
74
75
option ( WALBERLA_BUILD_WITH_GPROF          "Enables gprof"                                      )
option ( WALBERLA_BUILD_WITH_GCOV           "Enables gcov"                                       )
option ( WALBERLA_BUILD_WITH_LTO            "Enable link time optimizations"                     )
76
77
option ( WALBERLA_BUILD_WITH_OPENMP         "Enable OpenMP support"                              )
option ( WALBERLA_BUILD_WITH_PYTHON         "Support for embedding Python"                       )
78
79
option ( WALBERLA_BUILD_WITH_CODEGEN        "Enable pystencils code generation"              OFF )

Martin Bauer's avatar
Martin Bauer committed
80

81
82
option ( WALBERLA_BUILD_WITH_LIKWID_MARKERS "Compile in markers for likwid-perfctr"              )

Martin Bauer's avatar
Martin Bauer committed
83
84
option ( WALBERLA_BUILD_WITH_CUDA	        "Enable CUDA support"                                )

85
86

option ( WALBERLA_BUILD_WITH_FASTMATH       "Fast math"                                          )
87

88
option ( WALBERLA_SIMD_FORCE_SCALAR         "Do not use SIMD operations even when available" OFF )
89

90
91
92
option ( WALBERLA_BUFFER_DEBUG              "Type checking for BufferSystem ( slow )"        OFF )

# Profile guided optimization
93
94
option ( WALBERLA_PROFILE_GENERATE          "Generates Profile for Optimization"                 )
option ( WALBERLA_PROFILE_USE               "Uses Profile to optimize"                           )
95
96

# Compiler Optimization
97
98
option ( WALBERLA_OPTIMIZE_FOR_LOCALHOST    "Enable compiler optimizations spcific to localhost" )

99
option ( WALBERLA_LOG_SKIPPED               "Log skipped cmake targets"                      ON  )
100

101
102
option ( WALBERLA_GIT_SUBMODULE_AUTO        "Check submodules during cmake run"               ON )

103
104
105
106
107
108
109
110
# Installation Directory
set ( CMAKE_INSTALL_PREFIX /usr/local/waLBerla CACHE STRING "The default installation directory."   )

# Default build type
if ( NOT CMAKE_BUILD_TYPE )
    set ( CMAKE_BUILD_TYPE Release CACHE STRING "Build Types: Debug Release DebugOptimized RelWithDebInfo MinSizeRel."  FORCE )
endif()
SET_PROPERTY( CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release DebugOptimized RelWithDebInfo MinSizeRel )
111
set( CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE} )
112
113

# Debugging options                                      )
114
option ( WALBERLA_STL_BOUNDS_CHECKS  "Use debug capabilites of libstd++: iterator and bounds checks" )
115
116
117
118
119
120
121

# Warning options
option ( WARNING_DISABLE    "Disables additional compiler warnings"          OFF )
option ( WARNING_PEDANTIC   "Enables pedantic compiler warnings"             ON  )
option ( WARNING_ERROR      "Convert warnings to errors compiler warnings"   OFF )
option ( WARNING_DEPRECATED "Show warning when deprecated features are used" ON  )

122
123
124
# Sanitizer options
option ( WALBERLA_SANITIZE_ADDRESS    "Enables address sanitizer in gcc and clang"            )
option ( WALBERLA_SANITIZE_UNDEFINED  "Enables undefined behavior sanitizer in gcc and clang" )
125
126
127

# Every folder that is listed here can contain modules or tests
# this can be extended by applications to have own modules
128
# Here the src/ folder is added to this list, where all modules are located
129
130
131
132
list( APPEND WALBERLA_MODULE_DIRS "${walberla_SOURCE_DIR}/src" "${walberla_SOURCE_DIR}/tests" )
list( REMOVE_DUPLICATES  WALBERLA_MODULE_DIRS )
set ( WALBERLA_MODULE_DIRS  ${WALBERLA_MODULE_DIRS} CACHE INTERNAL "All folders that contain modules or tests" )

133
134
135
136
137
# target_link_libraries needs to called with keywords everywhere if it is called with keywords once
if( DEFINED CUDA_LINK_LIBRARIES_KEYWORD AND NOT CUDA_LINK_LIBRARIES_KEYWORD STREQUAL "" )
    set( WALBERLA_LINK_LIBRARIES_KEYWORD PUBLIC )
endif()

138
139
############################################################################################################################

140
set( CMAKE_CXX_STANDARD 17 )
141
142
set( CMAKE_CXX_STANDARD_REQUIRED ON )
set( CMAKE_CXX_EXTENSIONS OFF )
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173

############################################################################################################################
##
## Compiler detection
##
############################################################################################################################

# Check for intel compiler
if( CMAKE_CXX_COMPILER MATCHES "icpc" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "icpc" )
    option ( WALBERLA_CXX_COMPILER_IS_INTEL "Use Intel compiler" ON  )
    # Intel(R) Compiler has its own library archiver,
    # if you build libraries and do not use xiar,
    # the Intel compiler will complain about invalid
    # archives at the link phase.
    # The Intel(R) archiver is "xiar" usually
    # located in the same folder as the compiler,
    FIND_PROGRAM(XIAR xiar)
    IF(XIAR)
        SET(CMAKE_AR "${XIAR}")
    ENDIF(XIAR)
    MARK_AS_ADVANCED(XIAR)

    # Intel(R) Compiler also comes with its own linker
    # which provides a number of additional benefits when
    # linking code compiled with the Intel(R) compiler.
    # Again, usually in the same place as icc itself,
    FIND_PROGRAM(XILD xild)
    IF(XILD)
       SET(CMAKE_LINKER "${XILD}")
    ENDIF(XILD)
    MARK_AS_ADVANCED(XILD)
174
175
176
177

    if( CMAKE_VERSION VERSION_LESS 3.11.0 )
      set( CMAKE_CXX17_STANDARD_COMPILE_OPTION "-std=c++17" )
      set( CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_CXX17_STANDARD_COMPILE_OPTION )
178
      add_flag ( CMAKE_CXX_FLAGS ${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION} )
Michael Kuron's avatar
Michael Kuron committed
179
    endif()
180
181
182
183
    if( CMAKE_CXX_COMPILER_VERSION VERSION_LESS "19.0.5" )
      # std::filesystem uses ABI tags, which don't work 19.0.2 but do in 19.0.5
      add_flag ( CMAKE_CXX_FLAGS "-D_GLIBCXX_USE_CXX11_ABI=0" )
    endif()
184
185
186
187
188
189
190
191
192
193
194
195
else()
    option ( WALBERLA_CXX_COMPILER_IS_INTEL "Use Intel compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_INTEL )

# Check for Gnu compiler
if ( CMAKE_COMPILER_IS_GNUCXX  AND NOT WALBERLA_CXX_COMPILER_IS_INTEL )
     option ( WALBERLA_CXX_COMPILER_IS_GNU "Use gnu compiler" ON  )
else()
     option ( WALBERLA_CXX_COMPILER_IS_GNU "Use gnu compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_GNU )
196

197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
# Check for Visual Studio
if ( MSVC )
     option ( WALBERLA_CXX_COMPILER_IS_MSVC "Use Visual Studio compiler" ON  )
else()
     option ( WALBERLA_CXX_COMPILER_IS_MSVC "Use Visual Studio compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_MSVC )

# Check for IBM compiler
if( CMAKE_CXX_COMPILER MATCHES "xlc" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "xlc" )
    option ( WALBERLA_CXX_COMPILER_IS_IBM "Use IBM compiler" ON  )
else()
    option ( WALBERLA_CXX_COMPILER_IS_IBM "Use IBM compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_IBM )

# Check for NEC SX compiler
if( CMAKE_CXX_COMPILER MATCHES "sxc" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "sxc" OR CMAKE_CXX_COMPILER MATCHES "sxmpic" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "sxmpic" )
    option ( WALBERLA_CXX_COMPILER_IS_NEC "Use NEC compiler" ON  )
else()
    option ( WALBERLA_CXX_COMPILER_IS_NEC "Use NEC compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_NEC )

# Check for Clang compiler
Michael Kuron's avatar
Michael Kuron committed
222
if( CMAKE_CXX_COMPILER MATCHES "clang" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" )
223
224
225
226
227
228
    option ( WALBERLA_CXX_COMPILER_IS_CLANG "Use clang compiler" ON  )
else()
    option ( WALBERLA_CXX_COMPILER_IS_CLANG "Use clang compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_CLANG )

229
# Check for Cray compiler
230
231
232
233
234
235
236
if( CMAKE_CXX_COMPILER_ID MATCHES Cray )
    option ( WALBERLA_CXX_COMPILER_IS_CRAY "Use Cray compiler" ON   )
else()
    option ( WALBERLA_CXX_COMPILER_IS_CRAY "Use Cray compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_CRAY )

237
238
239
240
241
242
243
if( CMAKE_CXX_COMPILER MATCHES "pgc\\+\\+" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "pgc\\+\\+" )
    option ( WALBERLA_CXX_COMPILER_IS_PGI "Use PGI compiler" ON  )
else()
    option ( WALBERLA_CXX_COMPILER_IS_PGI "Use PGI compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_PGI )

244
245
246
247
248
249
250
251
252
# Check for MPI wrapper
get_filename_component( CXX_COMPILER_WITHOUT_PATH ${CMAKE_CXX_COMPILER} NAME )
if( CXX_COMPILER_WITHOUT_PATH MATCHES "mpi" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "mpi" )
    option ( WALBERLA_CXX_COMPILER_IS_MPI_WRAPPER "Compiler is MPI wrapper" ON  )
else()
    option ( WALBERLA_CXX_COMPILER_IS_MPI_WRAPPER "Compiler is MPI wrapper" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_MPI_WRAPPER )

253
254
255
256
257
258
259
260
# Check for intel llvm compiler
if( CMAKE_CXX_COMPILER MATCHES "icx" OR CMAKE_CXX_COMPILER_ARG1 MATCHES "icx" )
   option ( WALBERLA_CXX_COMPILER_IS_INTELLLVM "Use Intel LLVM compiler" ON  )
else()
   option ( WALBERLA_CXX_COMPILER_IS_INTELLLVM "Use Intel LLVM compiler" OFF  )
endif()
mark_as_advanced ( WALBERLA_CXX_COMPILER_IS_INTELLLVM )

261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
############################################################################################################################



############################################################################################################################
##
## Compiler Setup
##
############################################################################################################################

# Profile guided optimization
if ( WALBERLA_PROFILE_GENERATE )
    if( WALBERLA_CXX_COMPILER_IS_INTEL )
        add_flag( CMAKE_CXX_FLAGS "-prof-gen" )
        file( MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/profile" )
        add_flag( CMAKE_CXX_FLAGS "-prof-dir${CMAKE_BINARY_DIR}/profile" )
    elseif( WALBERLA_CXX_COMPILER_IS_GNU )
        add_flag( CMAKE_CXX_FLAGS "-fprofile-generate" )
    elseif( WALBERLA_CXX_COMPILER_IS_MSVC )
      add_flag ( CMAKE_CXX_FLAGS           "/GL"                )
      add_flag ( CMAKE_MODULE_LINKER_FLAGS "/LTCG:PGINSTRUMENT" )
      add_flag ( CMAKE_SHARED_LINKER_FLAGS "/LTCG:PGINSTRUMENT" )
      add_flag ( CMAKE_EXE_LINKER_FLAGS    "/LTCG:PGINSTRUMENT" )
    endif()
endif()

if ( WALBERLA_PROFILE_USE )
    if( WALBERLA_CXX_COMPILER_IS_INTEL )
       add_flag( CMAKE_CXX_FLAGS "-prof-use" )
       add_flag( CMAKE_CXX_FLAGS "-prof-dir${CMAKE_BINARY_DIR}/profile" )
    elseif( WALBERLA_CXX_COMPILER_IS_GNU )
       add_flag( CMAKE_CXX_FLAGS "-fprofile-use" )
    elseif( WALBERLA_CXX_COMPILER_IS_MSVC )
      add_flag ( CMAKE_CXX_FLAGS           "/GL"              )
      add_flag ( CMAKE_MODULE_LINKER_FLAGS "/LTCG:PGOPTIMIZE" )
      add_flag ( CMAKE_SHARED_LINKER_FLAGS "/LTCG:PGOPTIMIZE" )
      add_flag ( CMAKE_EXE_LINKER_FLAGS    "/LTCG:PGOPTIMIZE" )
    endif()
endif()

# common flags for intel and g++
302
if ( NOT WARNING_DISABLE AND ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL ) )
303
304
305
   add_flag ( CMAKE_CXX_FLAGS "-Wall -Wconversion -Wshadow" )
endif()

Michael Kuron's avatar
Michael Kuron committed
306
# C++ language features for NEC compiler
307
if( WALBERLA_CXX_COMPILER_IS_NEC )
308
309
   set( CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION "-Kcpp${CMAKE_CXX_STANDARD}" )
   set( CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION )
310
   add_flag ( CMAKE_CXX_FLAGS "${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION} -Krtti -Kexceptions -size_t64 -Kgcc" )
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
   add_flag ( CMAKE_CXX_FLAGS "-D__BIG_ENDIAN -D__BYTE_ORDER=__BIG_ENDIAN" )
   add_flag ( CMAKE_CXX_FLAGS "-Tnoauto,used" )
   add_flag ( CMAKE_EXE_LINKER_FLAGS "-Wl,-h,muldefs" )
   add_flag ( CMAKE_C_FLAGS "-size_t64 -Kgcc" )
   add_flag ( CMAKE_C_FLAGS "-D__BIG_ENDIAN -D__BYTE_ORDER=__BIG_ENDIAN" )
   add_flag ( CMAKE_C_FLAGS "-DSQLITE_OMIT_WAL -DHAVE_UTIME -DTHREADSAFE=0" )
   set( CMAKE_RANLIB /bin/true )
   set( CMAKE_SKIP_BUILD_RPATH TRUE )
   set( CMAKE_C_FLAGS_DEBUGOPTIMIZED    "-Chopt -g"                               )
   set( CMAKE_C_FLAGS_DEBUG             "-Cdebug -g"                              )
   set( CMAKE_CXX_FLAGS_DEBUGOPTIMIZED  "-Chopt -g"                               )
   set( CMAKE_CXX_FLAGS_DEBUG           "-Cdebug -g"                              )
endif()

# Fixes linker errors with IBM compiler
if( WALBERLA_CXX_COMPILER_IS_IBM )
   add_flag ( CMAKE_CXX_FLAGS "-qpic=large" )
endif()
# Fixes linker errors with Cray compiler
if( WALBERLA_CXX_COMPILER_IS_CRAY )
   add_flag ( CMAKE_EXE_LINKER_FLAGS  "-dynamic -L/opt/gcc/4.9.3/snos/lib64" )
endif()

# Silences compiler and linker warnings and information with the IBM compiler
if( WALBERLA_CXX_COMPILER_IS_IBM )
   add_flag ( CMAKE_CXX_FLAGS "-qsuppress=1586-267" )  # 1586-267 (I) Inlining of specified subprogram failed due to the presence of a C++ exception handler
   add_flag ( CMAKE_CXX_FLAGS "-qsuppress=1586-266" )  # 1586-266 (I) Inlining of specified subprogram failed due to the presence of a global label
   add_flag ( CMAKE_CXX_FLAGS "-qsuppress=1500-030" )  # 1500-030: (I) INFORMATION: [...] Additional optimization may be attained by recompiling and specifying MAXMEM option with a value greater than 8192.
   add_flag ( CMAKE_C_FLAGS "-qsuppress=1500-030" )    # 1500-030: (I) INFORMATION: [...] Additional optimization may be attained by recompiling and specifying MAXMEM option with a value greater than 8192.
endif()

# Silences compiler and linker warnings and information with the Cray compiler
if( WALBERLA_CXX_COMPILER_IS_CRAY )
   set( CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem " )
   add_flag ( CMAKE_CXX_FLAGS "-h nomessage=1" )      # CC-1    The source file does not end with a new-line character.
   add_flag ( CMAKE_C_FLAGS   "-DSQLITE_HAVE_ISNAN" ) # SQLite will not work correctly with the -ffast-math option of GCC.
   add_flag ( CMAKE_CXX_FLAGS "-DSQLITE_HAVE_ISNAN" ) # SQLite will not work correctly with the -ffast-math option of GCC.
endif()

350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
# Silences compiler and linker warnings and information with the PGI compiler
if( WALBERLA_CXX_COMPILER_IS_PGI )
   add_flag ( CMAKE_CXX_FLAGS "--display_error_number" )
   add_flag ( CMAKE_C_FLAGS "--display_error_number" )
   if( CMAKE_VERSION VERSION_LESS "3.19" )
      #  https://github.com/Kitware/CMake/commit/52eee1938919deb59cc2b51d44f365f0d9a418e5
      set( CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION "--c++${CMAKE_CXX_STANDARD}" )
   endif()
   add_flag ( CMAKE_CXX_FLAGS "--diag_suppress=1" )   # last line of file ends without a newline
   add_flag ( CMAKE_CXX_FLAGS "--diag_suppress=111" ) # statement is unreachable
   add_flag ( CMAKE_C_FLAGS "--diag_suppress=111" )   # statement is unreachable
   add_flag ( CMAKE_C_FLAGS "--diag_suppress=550" )   # variable [...] was set but never used
   add_flag ( CMAKE_C_FLAGS "--diag_suppress=191" )   # type qualifier is meaningless on cast type
endif()

365
366
367
# architecture optimization
if( WALBERLA_OPTIMIZE_FOR_LOCALHOST )
   if( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG )
Michael Kuron's avatar
Michael Kuron committed
368
369
370
371
372
373
374
      if( CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang" AND CMAKE_HOST_SYSTEM_PROCESSOR STREQUAL "arm64" )
        # no -march=native available on this compiler, but there is currently only one such processor
      else()
        add_flag ( CMAKE_CXX_FLAGS "-march=native" )
        add_flag ( CMAKE_C_FLAGS   "-march=native" )
      endif()
      
375
376
377
378
      if( WALBERLA_CXX_COMPILER_IS_INTEL )
        add_flag ( CMAKE_CXX_FLAGS "-xhost" )
        add_flag ( CMAKE_C_FLAGS   "-xhost" )
      endif()
Michael Kuron's avatar
Michael Kuron committed
379
380
381
382
383
384

      if( EXISTS "/proc/sys/abi/sve_default_vector_length" )
        file( READ "/proc/sys/abi/sve_default_vector_length" SVE_LENGTH )
        add_flag ( CMAKE_CXX_FLAGS "-msve-vector-bits=${SVE_LENGTH}" )
        add_flag ( CMAKE_C_FLAGS   "-msve-vector-bits=${SVE_LENGTH}" )
      endif()
385
   endif()
386
endif()
387

388
# warning flags
389
390
391
392
393
if( WALBERLA_CXX_COMPILER_IS_INTEL )
   # system headers are also supported by intel, but cmake does not recognize that
   set( CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem " )
   add_flag ( CMAKE_CXX_FLAGS "-wd2928,2504,2259,1682,597" )
elseif( WALBERLA_CXX_COMPILER_IS_GNU )
394
   add_flag ( CMAKE_CXX_FLAGS "-Wfloat-equal -Wextra" )
395
396
397
398
399
elseif( WALBERLA_CXX_COMPILER_IS_NEC )
   add_flag ( CMAKE_CXX_FLAGS "-wall" )
endif()

if ( WARNING_PEDANTIC AND WALBERLA_CXX_COMPILER_IS_GNU )
400
   add_flag ( CMAKE_CXX_FLAGS "-pedantic" )
401
endif ( )
402

403
 # omit deprecated warnings
404
if( NOT WARNING_DEPRECATED)
405
406
407
408
409
410
   if( WALBERLA_CXX_COMPILER_IS_INTEL )
       add_flag( CMAKE_CXX_FLAGS "-wd1478" )  # Disable compiler warning # 1478: "declared as deprecated"
   elseif( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
       add_flag ( CMAKE_CXX_FLAGS "-Wno-deprecated-declarations")
   endif()
endif()
411

412
413

if ( WALBERLA_CXX_COMPILER_IS_CLANG )
Michael Kuron's avatar
Michael Kuron committed
414
    add_flag ( CMAKE_CXX_FLAGS "-Wall -Wconversion -Wshadow -Wno-c++11-extensions -Qunused-arguments" )
415
416
417
418
419
endif ( )

if( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG )
    if ( WALBERLA_STL_BOUNDS_CHECKS )
        add_definitions ( "-D_GLIBCXX_DEBUG" )
Dominik Thoennes's avatar
Dominik Thoennes committed
420
        add_definitions ( "-D_LIBCPP_DEBUG=1" )
421
422
423
424
425
426
427
428
429
    endif()
endif()


#fastmath
if ( WALBERLA_BUILD_WITH_FASTMATH )
    if ( WALBERLA_CXX_COMPILER_IS_INTEL )
        add_flag( CMAKE_CXX_FLAGS "-fp-model fast=2 -no-prec-sqrt -no-prec-div" )
    endif()
430

431
432
433
    if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
        add_flag( CMAKE_CXX_FLAGS "-ffast-math")
    endif()
434

435
436
437
    if( WALBERLA_CXX_COMPILER_IS_MSVC )
        add_flag( CMAKE_CXX_FLAGS "/fp:fast" )
    endif()
438
else()
439
   if( WALBERLA_CXX_COMPILER_IS_INTELLLVM )
440
441
      add_flag( CMAKE_CXX_FLAGS "-fp-model=precise")
   endif()
442
endif()
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482

# Xcode generator disables -isystem flag, even though current versions of Xcode support it
if(CMAKE_GENERATOR STREQUAL "Xcode")
    set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
    set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
endif()


#GCC 5+ ABI selection
if( WALBERLA_CXX_COMPILER_IS_GNU )
   if( NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0.0 )
      option ( WALBERLA_USE_CPP11_ABI "On GCC 5+ use the C++11 ABI" ON )
      if( WALBERLA_USE_CPP11_ABI )
         add_flag( CMAKE_CXX_FLAGS "-D_GLIBCXX_USE_CXX11_ABI=1" )
      else()
         add_flag( CMAKE_CXX_FLAGS "-D_GLIBCXX_USE_CXX11_ABI=0" )
      endif()
   endif()
endif()


# disable Xcode 7.3+ linker deduplication pass to speed up linking in debug mode
if ( APPLE )
   execute_process( COMMAND ${CMAKE_LINKER} -v OUTPUT_VARIABLE LINKER_VERSION ERROR_VARIABLE LINKER_VERSION )
   string( REGEX MATCH "ld64-[0-9\\.\\-]+" LINKER_VERSION ${LINKER_VERSION} )
   string( REGEX MATCHALL "[^\\-]+" LINKER_VERSION ${LINKER_VERSION} )
   list( GET LINKER_VERSION 0 LINKER_TYPE )
   list( GET LINKER_VERSION 1 LINKER_VERSION )
   if( LINKER_TYPE STREQUAL "ld64" AND LINKER_VERSION VERSION_GREATER 264.3.101 )
       add_flag( CMAKE_EXE_LINKER_FLAGS_DEBUG    "-Wl,-no_deduplicate")
       add_flag( CMAKE_MODULE_LINKER_FLAGS_DEBUG "-Wl,-no_deduplicate")
       add_flag( CMAKE_SHARED_LINKER_FLAGS_DEBUG "-Wl,-no_deduplicate")
   endif()
endif()


############################################################################################################################



Michael Kuron's avatar
Michael Kuron committed
483
484
############################################################################################################################
##
485
##  Find newer C++ libraries, which may only be available in std::experimental on some compilers
Michael Kuron's avatar
Michael Kuron committed
486
487
488
##
############################################################################################################################

489
try_compile( WALBERLA_USE_STD_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
490
             COMPILE_DEFINITIONS -DWALBERLA_USE_STD_FILESYSTEM COPY_FILE "${CMAKE_CURRENT_BINARY_DIR}/TestStdFilesystem" )
Michael Kuron's avatar
Michael Kuron committed
491
if( WALBERLA_USE_STD_FILESYSTEM )
492
  # detect https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90050 by checking whether it segfaults
493
  execute_process( COMMAND "${CMAKE_CURRENT_BINARY_DIR}/TestStdFilesystem" OUTPUT_QUIET RESULT_VARIABLE WALBERLA_STD_FILESYSTEM_WORKS )
494
495
endif()
if( WALBERLA_USE_STD_FILESYSTEM AND WALBERLA_STD_FILESYSTEM_WORKS EQUAL 0 )
Michael Kuron's avatar
Michael Kuron committed
496
497
   message( STATUS "Found std::filesystem")
else()
498
   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
499
                COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
Michael Kuron's avatar
Michael Kuron committed
500
501
502
503
504
   if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
      message( STATUS "Found std::experimental::filesystem")
   endif()
   if( NOT WALBERLA_CXX_COMPILER_IS_MSVC AND NOT WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
      unset( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM CACHE )
505
      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
506
                   COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM LINK_LIBRARIES stdc++fs )
Michael Kuron's avatar
Michael Kuron committed
507
508
509
510
511
512
513
      if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
         message( STATUS "Found std::experimental::filesystem in libstdc++fs")
      list ( APPEND SERVICE_LIBS -lstdc++fs )
      endif()
   endif()
   if( NOT WALBERLA_CXX_COMPILER_IS_MSVC AND NOT WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
      unset( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM CACHE )
514
      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
515
                   COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM LINK_LIBRARIES c++experimental )
Michael Kuron's avatar
Michael Kuron committed
516
517
518
519
520
      if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
         message( STATUS "Found std::experimental::filesystem in libc++experimental")
         list ( APPEND SERVICE_LIBS -lc++experimental )
      endif()
   endif()
521
522
   if( NOT WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM AND NOT WALBERLA_USE_STD_FILESYSTEM)
       message(FATAL_ERROR "Neither std::filesystem nor std::experimental::filesystem are available")
523
524
525
   endif()
endif()

526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
############################################################################################################################
##
##  Visual Studio Setup
##
############################################################################################################################
if ( WALBERLA_CXX_COMPILER_IS_MSVC )
   string( REGEX REPLACE "[/-]W[0-4]" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} ) # remove default warning flags

   option ( WALBERLA_GROUP_PROJECTS   "Flag if the projects are grouped or in a flat hierarchy"    ON )
   option ( WALBERLA_GROUP_FILES      "Flag if the files are grouped or in a flat hierarchy"       ON )
   set_property ( GLOBAL PROPERTY USE_FOLDERS ${WALBERLA_GROUP_PROJECTS} )

   option ( WALBERLA_VS_MULTI_PROCESS_BUILD "Use the /mp option for VS builds" ON )
   if( WALBERLA_VS_MULTI_PROCESS_BUILD )
      add_flag ( CMAKE_CXX_FLAGS "-MP" ) # enable multi-threaded compiling
   endif()
542

543
544
545
546
547
   add_definitions ( "-DNOMINMAX" )                # Disable Min/Max-Macros
   add_definitions ( "-D_WIN32_WINNT=0x501" )      # Minimum Windows versions is Windows XP
   add_definitions ( "-DWINVER=0x501" )            # Minimum Windows versions is Windows XP
   add_definitions ( "-D_CRT_SECURE_NO_WARNINGS" ) # disable warnings promoting Microsoft's security enhanced CRT
   add_definitions ( "-D_SCL_SECURE_NO_WARNINGS" ) # disable warnings triggered by Microsoft's checked iterators
548
   add_flag ( CMAKE_CXX_FLAGS "-W4" )              # set warning level to maximum
549
550
551
   add_flag ( CMAKE_CXX_FLAGS "-bigobj" )          # enable big object files
   add_flag ( CMAKE_CXX_FLAGS "-wd4127" )          # disable compiler warning C4127: "conditional expression is constant"
   add_flag ( CMAKE_CXX_FLAGS "-wd4512" )          # disable compiler warning C4512: "assignment operator could not be generated"
552
   add_flag ( CMAKE_CXX_FLAGS "-wd4913" )          # disable compiler warning C4512: "user defined binary operator ',' exists but
553
554
555
556
557
                                                   # no overload could convert all operands, default built-in binary operator ','
                                                   # used"
   add_flag ( CMAKE_CXX_FLAGS "-wd4702" )          # disable compiler warning C4702: "unreachable code"
   add_flag ( CMAKE_CXX_FLAGS "-wd4505" )          # disable compiler warning C4505: "unreferenced local function has been removed"
   add_flag ( CMAKE_CXX_FLAGS "-wd4503" )          # disable compiler warning C4503: "'identifier' : decorated name length exceeded, name was truncated"
558

559
560
561
   if ( WARNING_ERROR )
      add_flag ( CMAKE_CXX_FLAGS "-WX" )           # Treat warnings as errors
   endif ( )
562

563
564
565
566
567
   if( NOT WARNING_DEPRECATED)
      add_definitions( "-D_CRT_SECURE_NO_DEPRECATE" )
      add_definitions( "-D_SCL_SECURE_NO_DEPRECATE" )
      add_flag       ( CMAKE_CXX_FLAGS "-wd4996"    ) # Disable compiler warning C4996: "declared as deprecated"
   endif()
568

569
570
571
572
573
574
endif ( )
############################################################################################################################




575
576
577
578
579
580
############################################################################################################################
##
## Code Generation (pystencils)
##
#############################################################################################################################
if ( WALBERLA_BUILD_WITH_CODEGEN )
581
582
583
584
585
586
587
   find_package( PythonInterp 3 QUIET REQUIRED)
   execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import lbmpy"
         RESULT_VARIABLE LBMPY_FOUND )
    if(NOT LBMPY_FOUND EQUAL 0)
       message(FATAL_ERROR "WALBERLA_BUILD_WITH_CODEGEN activated but pystencils or lbmpy package not found.
                            Please install lbmpy e.g.: 'pip3 install lbmpy'")
    endif()
588
    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from pystencils.include import get_pystencils_include_path; print(get_pystencils_include_path())"
589
590
                    OUTPUT_VARIABLE PYSTENCILS_INCLUDE_PATH)
    include_directories( ${PYSTENCILS_INCLUDE_PATH} )
591
592
593
594
595
596
597

    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import jinja2"
          RESULT_VARIABLE JINJA2_FOUND )
    if(NOT JINJA2_FOUND EQUAL 0)
       message(FATAL_ERROR "WALBERLA_BUILD_WITH_CODEGEN activated and jinja2 package not found.
       Please install jinja2 e.g.: 'pip3 install jinja2'")
    endif()
598
599
600
601
602
603
endif()
############################################################################################################################




604
605
606
607
608
609
############################################################################################################################
##
## Python Libraries
##
#############################################################################################################################
if ( WALBERLA_BUILD_WITH_PYTHON )
610

611
    find_package( PythonInterp 3.6 QUIET REQUIRED)
Martin Bauer's avatar
Martin Bauer committed
612
    find_package( PythonLibs QUIET REQUIRED)
613

614
615
616
    if( NOT (PYTHON_LIBRARY AND PYTHON_INCLUDE_DIR ) )
        message( FATAL_ERROR "Couldn't find any python library" )
    endif()
617

618
619
620
621
622
623
624
    if(WALBERLA_CXX_COMPILER_IS_INTEL)
        # Intel C++17 support introduced in 2.6.2 (https://github.com/pybind/pybind11/pull/2729)
        set(PYBIND11_MINIMUM_VERSION "2.6.2")
    else()
        set(PYBIND11_MINIMUM_VERSION "2.6.0")
    endif()

625
626
627
    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import pybind11; print(pybind11._version.__version__)"
                    OUTPUT_VARIABLE pybind11_VERSION ERROR_QUIET RESULT_VARIABLE pybind11_VERSION_RESULT)
    string(STRIP "${pybind11_VERSION}" pybind11_VERSION)
628
    if(pybind11_VERSION_RESULT EQUAL "0" AND pybind11_VERSION VERSION_GREATER_EQUAL "${PYBIND11_MINIMUM_VERSION}")
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
        execute_process(COMMAND ${PYTHON_EXECUTABLE} -m pybind11 --cmakedir
                        OUTPUT_VARIABLE PYBIND11_CMAKE_PATH)
        string(STRIP "${PYBIND11_CMAKE_PATH}" PYBIND11_CMAKE_PATH)
        find_package(pybind11 PATHS "${PYBIND11_CMAKE_PATH}" NO_DEFAULT_PATH REQUIRED)
    else()
        find_package(Git QUIET)
        if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
           # Update submodules as needed
           if(WALBERLA_GIT_SUBMODULE_AUTO)
              message(STATUS "Submodule update")
              execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init --recursive
                    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
                    RESULT_VARIABLE GIT_SUBMOD_RESULT)
              if(NOT GIT_SUBMOD_RESULT EQUAL "0")
                 message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
              endif()
           endif()
646
        endif()
647

648
649
650
651
652
653
        if(NOT EXISTS "${PROJECT_SOURCE_DIR}/extern/pybind11/CMakeLists.txt")
            if(EXISTS "${PROJECT_SOURCE_DIR}/.git")
                message(FATAL_ERROR "Please update git submodules or install pybind11 via pip.")
            else()
                message(FATAL_ERROR "Please install pybind11 via pip or download it to ${PROJECT_SOURCE_DIR}/extern/pybind11.")
            endif()
654
        endif()
655
656
657

        add_subdirectory(extern/pybind11)

658
659
660
661
662
663
        if(pybind11_VERSION VERSION_LESS "2.6.2")
            # if pybind11 was installed into ${PYTHON_INCLUDE_DIR} (e.g. by pip), that will have a higher priority than the Git submodule unless we reorder the search path
            # introduced in 2.6.0 (https://github.com/pybind/pybind11/issues/2709), fixed in 2.6.2 (https://github.com/pybind/pybind11/pull/2716)
            set_property( TARGET pybind11::pybind11
                          PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${PROJECT_SOURCE_DIR}/extern/pybind11/include" "${PYTHON_INCLUDE_DIR}")
        endif()
664
    endif()
665

666
667
668
669
    # a python module is a shared library - so everything has to be compiled to position independent code
    # otherwise linking the static libs into the shared lib will result in errors
    set(CMAKE_POSITION_INDEPENDENT_CODE ON)

670

671
672
673
674
675
676
677
    if(WALBERLA_BUILD_DOC)
      # Sphinx documentation
      # to build documentation make sure to have sphinx and read-the-docs theme installed
      # Install with: "pip install sphinx sphinx_rtd_theme"
      add_custom_target( docPython sphinx-build -b html "${walberla_SOURCE_DIR}/python/waLBerla_docs" "${walberla_BINARY_DIR}/doc/python"
                         COMMENT "Building HTML documentation for Python extension with Sphinx")
  endif()
678
679
680
681
682
683
684
685
endif()


############################################################################################################################
##
## BOOST Libraries
##
#############################################################################################################################
686
set ( Boost_NO_BOOST_CMAKE ON)
687
688
689

# This variable is necessary, if the CMAKE version used is not aware of a more recent boost version (keep this up to date!)
set ( Boost_ADDITIONAL_VERSIONS
690
691
      "1.45" "1.45.0" "1.46" "1.46.0" "1.46.1" "1.47" "1.47.0" "1.48" "1.48.0" "1.49" "1.49.0"
      "1.50" "1.50.0" "1.51" "1.51.0" "1.52" "1.52.0" "1.53" "1.53.0" "1.54" "1.54.0" "1.55" "1.55.0"
692
      "1.56" "1.56.0" "1.57" "1.57.0" "1.58" "1.58.0" "1.59" "1.59.0" "1.60" "1.60.0" "1.61" "1.61.0" "1.62" "1.62.0" "1.63" "1.63.0"
693
      "1.64.0" "1.65.0" "1.65.1" "1.66.0" "1.67.0" "1.68.0" "1.69.0" "1.70.0" "1.71.0" "1.72.0" "1.73.0" "1.74.0")
694
695
696
697
698
699
700
701
702
703

# if you defined BOOST_ROOT or BOOST_BASE in your environment use it here to find boost too
if ( NOT BOOST_ROOT )
   foreach ( var  BOOST_ROOT  BOOST_BASE )
      if ( NOT "$ENV{${var}}" STREQUAL "" )
         message ( STATUS "Use environment boost directory: $ENV{${var}}" )
         set ( BOOST_ROOT $ENV{${var}} CACHE INTERNAL "")
         break ( )
      endif ( )
   endforeach ( )
704
endif ( )
705

706
find_package ( Boost )
707
708
709
710
711
712
713
714
715

if ( Boost_FOUND )
   if(CMAKE_GENERATOR STREQUAL "Xcode")
      # this is needed because the SYSTEM flag to include_directories does not work
      add_flag ( CMAKE_CXX_FLAGS "-isystem ${Boost_INCLUDE_DIRS}" )
   else()
      include_directories ( SYSTEM ${Boost_INCLUDE_DIRS} )
   endif()
   add_definitions ( -DBOOST_ALL_NO_LIB ) # Disable Boost auto-linking (CMAKE does that for us...)
716

Michael Kuron's avatar
Michael Kuron committed
717
   set( WALBERLA_BUILD_WITH_BOOST TRUE CACHE INTERNAL "Build with Boost" )
718
else( Boost_FOUND )
719
   set( WALBERLA_BUILD_WITH_BOOST FALSE CACHE INTERNAL "Build with Boost" )
720
721
722
723
724
725
726
727
728
729
730
endif( Boost_FOUND )


############################################################################################################################





############################################################################################################################
##
731
## PThread is required in Linux environments by std::thread
732
733
734
##
############################################################################################################################

735
736
737
738
739
740
741
742
set( THREADS_PREFER_PTHREAD_FLAG TRUE )
find_package(Threads)
if ( Threads_FOUND )
   if( CMAKE_USE_PTHREADS_INIT )
      add_flag( CMAKE_CXX_FLAGS "-pthread" )
   else()
      add_flag( CMAKE_CXX_FLAGS "${CMAKE_THREAD_LIBS_INIT}" )
   endif()
743
744
745
746
endif()



747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
############################################################################################################################
##
## backtrace may be in a separate library
##
############################################################################################################################

if ( NOT WIN32 AND (WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG))
   find_package ( Backtrace QUIET )
   if ( Backtrace_FOUND )
      list ( APPEND SERVICE_LIBS ${Backtrace_LIBRARIES} )
      set ( WALBERLA_BUILD_WITH_BACKTRACE ON )
      set ( WALBERLA_BACKTRACE_HEADER ${Backtrace_HEADER} )
   endif ( Backtrace_FOUND )
endif()



764
765
766
767
768
769
############################################################################################################################
##
## MPI
##
############################################################################################################################

770
if ( WALBERLA_BUILD_WITH_MPI AND NOT WALBERLA_CXX_COMPILER_IS_MPI_WRAPPER )
771
   find_package ( MPI )
772

773
774
775
776
777
778
779
780
781
782
   # FindMPI does not really work under windows, because it expects linux formatted strings from the mpi compiler.
   # Nevertheless for Microsoft MPI and MPICH there are workarounds included, but not for OpenMPI.
   # Here is a workaround for windows with OpenMPI (use configure twice to see correct output).
   # The workaround bases on the elseif(try_libs) case in the interrogate_* function of FindMPI.
   # For this workaround we assume, that the compiler was found in any PATH or ENV variable
   # but FindMPI was not able to interpret the command line outputs.
   if ( MPI_CXX_COMPILER AND NOT MPI_CXX_LIBRARIES )
      if ( WIN32 )
         message ( STATUS "Enter Workaround Routine for Windows and OpenMPI: PRESS CONFIGURE ONE MORE TIME!" )
         string ( REGEX REPLACE "(.*)/bin/.*" "\\1" MPI_PATH ${MPI_CXX_COMPILER} )
783
         find_path ( MPI_C_INCLUDE_PATH mpi.h
784
785
            HINTS ${MPI_PATH}
            PATH_SUFFIXES include Inc)
786
         set ( MPI_CXX_INCLUDE_PATH ${MPI_C_INCLUDE_PATH} CACHE FILEPATH "" FORCE )
787
788
789
790
791
792
793
794
795
796

         set ( MPI_CXX_LIBRARIES "MPI_CXX_LIBRARIES-NOTFOUND" CACHE FILEPATH "Cleared" FORCE )
         find_library ( MPI_CXX_LIBRARIES
            NAMES         mpi++ mpicxx cxx mpi_cxx libmpi++ libmpicxx libcxx libmpi_cxx
            HINTS         ${MPI_PATH}
            PATH_SUFFIXES lib )

         if ( NOT MPI_CXX_LIBRARIES STREQUAL "MPI_CXX_LIBRARIES-NOTFOUND" )
            set ( MPI_CXX_FOUND ON FORCE )
         endif ( )
797

798
799
800
801
802
         set ( MPI_C_LIBRARIES "MPI_C_LIBRARIES-NOTFOUND" CACHE FILEPATH "Cleared" FORCE )
         find_library ( MPI_C_LIBRARIES
           NAMES         mpi mpich mpich2 msmpi libmpi libmpich libmpich2 libmsmpi
           HINTS         ${MPI_PATH}
           PATH_SUFFIXES lib )
803

804
805
806
         if ( NOT MPI_C_LIBRARIES STREQUAL "MPI_C_LIBRARIES-NOTFOUND" )
            set ( MPI_C_FOUND ON FORCE )
         endif ( )
807

808
809
810
811
812
813
814
815
         if ( MPI_PATH MATCHES ".*OpenMPI.*" )
            set ( MPI_CXX_COMPILE_FLAGS "/DOMPI_IMPORTS" CACHE STRING "" FORCE )
            set ( MPI_C_COMPILE_FLAGS   "/DOMPI_IMPORTS" CACHE STRING "" FORCE )
         endif ( )
      elseif ( WALBERLA_CXX_COMPILER_IS_CRAY )
      else ( )
         message ( WARNING "Found MPI Compiler but no Libraries -> invent a new workaround" )
      endif ( )
816
817
818
   endif ( )

   if ( MPI_FOUND )
819
820
821
822
     include_directories ( SYSTEM ${MPI_CXX_INCLUDE_PATH} ${MPI_C_INCLUDE_PATH} )
     foreach( LIB ${MPI_C_LIBRARIES} ${MPI_CXX_LIBRARIES} )
         if ( LIB )
            list ( APPEND SERVICE_LIBS ${LIB} )
823
         endif ( )
824
825
826
     endforeach ( )
     add_flag ( CMAKE_CXX_FLAGS "${MPI_CXX_COMPILE_FLAGS}" )
     add_flag ( CMAKE_C_FLAGS   "${MPI_C_COMPILE_FLAGS}" )
827

828
829
830
831
832
     add_flag ( CMAKE_MODULE_LINKER_FLAGS "${MPI_CXX_LINK_FLAGS}" )
     add_flag ( CMAKE_EXE_LINKER_FLAGS    "${MPI_CXX_LINK_FLAGS}" )
     add_flag ( CMAKE_SHARED_LINKER_FLAGS "${MPI_CXX_LINK_FLAGS}" )
   endif ( )
endif ( )
833
834
835
836

# OpenMPI 3.0 and higher checks the number of processes against the number of CPUs
execute_process(COMMAND ${MPIEXEC} --version RESULT_VARIABLE mpi_version_result OUTPUT_VARIABLE mpi_version_output)
if (mpi_version_result EQUAL 0 AND mpi_version_output MATCHES "\\(Open(RTE| MPI)\\) ([3-9]\\.|1[0-9])")
837
    set ( MPIEXEC_PREFLAGS "${MPIEXEC_PREFLAGS}" "-oversubscribe" CACHE STRING "" FORCE)
838
endif()
839
840
841
842
843
844
845
846
847
848
849
850
851
852
############################################################################################################################



############################################################################################################################
##
## Qt
##
############################################################################################################################
option (WALBERLA_ENABLE_GUI "This flag builds the graphical user interface, depends on Qt Libraries")

if ( WALBERLA_ENABLE_GUI )

    find_package( Qt4 COMPONENTS QtCore QtGui QtOpenGL QtXml REQUIRED )
853
    set( OpenGL_GL_PREFERENCE LEGACY )
854
    find_package( OpenGL REQUIRED )
855

856
857
    INCLUDE( ${QT_USE_FILE} )
    list ( APPEND SERVICE_LIBS ${OPENGL_LIBRARIES} ${QT_LIBRARIES} )
858

859
860
861
862
863
864
865
866
867
868
869
870
871
872
endif(WALBERLA_ENABLE_GUI)

############################################################################################################################



############################################################################################################################
##
## METIS
##
############################################################################################################################

if ( WALBERLA_BUILD_WITH_METIS )
    find_package ( Metis QUIET )
873

874
    if ( METIS_FOUND )
875
        include_directories( ${METIS_INCLUDE_DIRS} )
876
877
878
879
880
881
882
        link_directories   ( ${METIS_LIBRARY_DIR}  )
        list ( APPEND SERVICE_LIBS ${METIS_LIBRARIES} )
        set  ( WALBERLA_BUILD_WITH_METIS TRUE )
    else()
        set  ( WALBERLA_BUILD_WITH_METIS OFF CACHE BOOL "Build with metis graph partitioner" FORCE )
    endif()
else()
883
    set ( METIS_FOUND OFF CACHE BOOL "Metis found" FORCE )
884
885
endif()

886
887
888
889
890
891
892
893

if ( WALBERLA_BUILD_WITH_PARMETIS )
   find_path(PARMETIS_INCLUDE_DIR parmetis.h
      /usr/local/include
      /usr/include
      ${PARMETIS_ROOT}/include
      $ENV{PARMETIS_ROOT}/include
   )
894

895
896
897
898
899
900
  find_library(PARMETIS_LIBRARY parmetis
    /usr/local/lib
    /usr/lib
    ${PARMETIS_ROOT}/lib
    $ENV{PARMETIS_ROOT}/lib
  )
901

902
903
904
905
906
907
  if( PARMETIS_INCLUDE_DIR AND PARMETIS_LIBRARY AND METIS_LIBRARY )
    include_directories( ${PARMETIS_INCLUDE_DIR} )
    list ( APPEND SERVICE_LIBS ${PARMETIS_LIBRARY} ${METIS_LIBRARY} )
  endif()
endif()

908
909
910
911
912
913
914
915
916
917
918
919
920
921
############################################################################################################################



############################################################################################################################
##
## FFTW3
##
############################################################################################################################

if( WALBERLA_BUILD_WITH_MPI )
   find_package( PFFT )
   find_package( FFTW3 )
   set( FFT_REQUIRED_LIBRARIES pfft fftw3_mpi fftw3 )
922
   if( PFFT_FOUND AND FFTW3_MPI_FOUND )
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
      set( WALBERLA_BUILD_WITH_FFT TRUE CACHE INTERNAL "Build with FFT" )
      include_directories( SYSTEM ${PFFT_INCLUDE_DIR} ${FFTW3_MPI_INCLUDE_DIR} )
      list( APPEND SERVICE_LIBS ${PFFT_LIBRARIES} ${FFTW3_LIBRARIES} ${FFTW3_MPI_LIBRARIES} )
   endif()
else()
   find_package( FFTW3 )
   set( FFT_REQUIRED_LIBRARIES fftw3 )
   if ( FFTW3_FOUND )
      set( WALBERLA_BUILD_WITH_FFT TRUE CACHE INTERNAL "Build with FFT" )
      include_directories( SYSTEM ${FFTW3_INCLUDE_DIR} )
      list( APPEND SERVICE_LIBS ${FFTW3_LIBRARIES} )
   endif()
endif()



939
940
941
942
943
944
945
946
947
948
949
############################################################################################################################
##
## OpenMesh
##
############################################################################################################################
if( (NOT DEFINED WALBERLA_BUILD_WITH_OPENMESH) OR WALBERLA_BUILD_WITH_OPENMESH )
   find_package( OpenMesh )
   if( OPENMESH_FOUND )
      set( WALBERLA_BUILD_WITH_OPENMESH ON CACHE BOOL "Build with OpenMesh support" )
      include_directories( SYSTEM ${OPENMESH_INCLUDE_DIRS} )
      list( APPEND SERVICE_LIBS ${OPENMESH_LIBRARIES} )
Christian Godenschwager's avatar
Christian Godenschwager committed
950
951
952
      if( WALBERLA_CXX_COMPILER_IS_MSVC )
         add_definitions(-D_USE_MATH_DEFINES )
      endif()
953
954
955
956
957
   else()
      set( WALBERLA_BUILD_WITH_OPENMESH OFF CACHE BOOL "Build with OpenMesh support" FORCE )
   endif()
endif()

958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
############################################################################################################################
##
## DebugOptimized Build Configuration for fast execution of tests with enabled asserts
##
############################################################################################################################

set( CMAKE_C_FLAGS_DEBUGOPTIMIZED             ${CMAKE_C_FLAGS_DEBUG}             )
set( CMAKE_CXX_FLAGS_DEBUGOPTIMIZED           ${CMAKE_CXX_FLAGS_DEBUG}           )
set( CMAKE_EXE_LINKER_FLAGS_DEBUGOPTIMIZED    ${CMAKE_EXE_LINKER_FLAGS_DEBUG}    )
set( CMAKE_SHARED_LINKER_FLAGS_DEBUGOPTIMIZED ${CMAKE_SHARED_LINKER_FLAGS_DEBUG} )
set( CMAKE_MODULE_LINKER_FLAGS_DEBUGOPTIMIZED ${CMAKE_MODULE_LINKER_FLAGS_DEBUG} )

set_property(GLOBAL PROPERTY DEBUG_CONFIGURATIONS Debug DebugOptimized)

if ( WALBERLA_CXX_COMPILER_IS_MSVC )
    string(REPLACE "/Od" "/O2"   CMAKE_C_FLAGS_DEBUGOPTIMIZED   ${CMAKE_C_FLAGS_DEBUGOPTIMIZED})
    string(REPLACE "/Ob0" "/Ob2" CMAKE_C_FLAGS_DEBUGOPTIMIZED   ${CMAKE_C_FLAGS_DEBUGOPTIMIZED})
    string(REPLACE "/RTC1" ""    CMAKE_C_FLAGS_DEBUGOPTIMIZED   ${CMAKE_C_FLAGS_DEBUGOPTIMIZED})
    string(REPLACE "/Od" "/O2"   CMAKE_CXX_FLAGS_DEBUGOPTIMIZED ${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED})
    string(REPLACE "/Ob0" "/Ob2" CMAKE_CXX_FLAGS_DEBUGOPTIMIZED ${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED})
    string(REPLACE "/RTC1" ""    CMAKE_CXX_FLAGS_DEBUGOPTIMIZED ${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED})
elseif( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG )
980
981
   set( CMAKE_C_FLAGS_DEBUGOPTIMIZED   "${CMAKE_C_FLAGS_DEBUGOPTIMIZED} -O3" )
   set( CMAKE_CXX_FLAGS_DEBUGOPTIMIZED "${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED} -O3" )
982
983
endif()

984
set(CMAKE_C_FLAGS_DEBUGOPTIMIZED ${CMAKE_C_FLAGS_DEBUGOPTIMIZED} CACHE STRING
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
    "Flags used by the compiler during DebugOptimized builds")
set(CMAKE_CXX_FLAGS_DEBUGOPTIMIZED ${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED}  CACHE STRING
    "Flags used by the compiler during DebugOptimized builds")
set(CMAKE_EXE_LINKER_FLAGS_DEBUGOPTIMIZED ${CMAKE_EXE_LINKER_FLAGS_DEBUGOPTIMIZED} CACHE STRING
    "Flags used by the linker for executables during DebugOptimized builds")
set(CMAKE_SHARED_LINKER_FLAGS_DEBUGOPTIMIZED ${CMAKE_SHARED_LINKER_FLAGS_DEBUGOPTIMIZED} CACHE STRING
    "Flags used by the linker for shared libraries during DebugOptimized builds")
set(CMAKE_MODULE_LINKER_FLAGS_DEBUGOPTIMIZED ${CMAKE_MODULE_LINKER_FLAGS_DEBUGOPTIMIZED} CACHE STRING
    "Flags used by the linker for loadable modules during DebugOptimized builds")

mark_as_advanced(
    CMAKE_C_FLAGS_DEBUGOPTIMIZED
    CMAKE_CXX_FLAGS_DEBUGOPTIMIZED
    CMAKE_EXE_LINKER_FLAGS_DEBUGOPTIMIZED
    CMAKE_SHARED_LINKER_FLAGS_DEBUGOPTIMIZED
    CMAKE_MODULE_LINKER_FLAGS_DEBUGOPTIMIZED
)

# This variable is only set for multi-config IDE generators like VC
if( CMAKE_CONFIGURATION_TYPES )
    list( APPEND CMAKE_CONFIGURATION_TYPES DebugOptimized )
    list( REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES )
    set ( CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}"
          CACHE STRING "Semicolon separated list of supported types
                      [Debug|Release|MinSizeRel|RelWithDebInfo|ReleaseNoOutfiles|DebugOptimized]" FORCE )
endif()
############################################################################################################################




1016

1017
1018
1019
1020
1021
1022
1023
1024
1025
############################################################################################################################
##
## OpenMP
##
############################################################################################################################

option ( WALBERLA_THREAD_SAFE_LOGGING "Enables/Disables thread-safe logging" ON )

if ( WALBERLA_BUILD_WITH_OPENMP )
Michael Kuron's avatar
Michael Kuron committed
1026
1027
1028
1029
    if( APPLE AND EXISTS /opt/local/lib/libomp AND EXISTS /opt/local/include/libomp ) # find libomp from MacPorts
        set( CMAKE_FRAMEWORK_PATH /opt/local/lib/libomp )
        set( CMAKE_INCLUDE_PATH /opt/local/include/libomp )
    endif()
1030
1031
1032
1033
1034
    find_package( OpenMP )
    if (OpenMP_FOUND)
        add_flag ( CMAKE_C_FLAGS   "${OpenMP_C_FLAGS}" )
        add_flag ( CMAKE_CXX_FLAGS "${OpenMP_CXX_FLAGS}" )
        list ( APPEND SERVICE_LIBS ${OpenMP_CXX_LIBRARIES} )
Michael Kuron's avatar
Michael Kuron committed
1035
1036
1037
        if( OpenMP_CXX_INCLUDE_DIRS )
            include_directories( ${OpenMP_CXX_INCLUDE_DIRS} )
        endif()
1038
    else()
1039
1040
1041
1042
1043
1044
1045
1046
        #workarounds
        if ( WALBERLA_CXX_COMPILER_IS_NEC )
            message( STATUS "Enabling OpenMP workaround for NEC")
            add_flag ( CMAKE_C_FLAGS   "-Popenmp" )
            add_flag ( CMAKE_CXX_FLAGS "-Popenmp" )
        else()
            message(FATAL_ERROR "Could NOT enable OpenMP")
        endif()
1047
    endif()
1048

1049
    if( WALBERLA_CXX_COMPILER_IS_CLANG OR WALBERLA_CXX_COMPILER_IS_INTELLLVM )
1050
1051
1052
1053
1054
1055
1056
       # check for bug in combination with OpenMP and sign conversion https://bugs.llvm.org/show_bug.cgi?id=48387
       try_compile( WALBERLA_CLANG_OPENMP_BUG "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestClangOpenMPBug.cpp"
             COMPILE_DEFINITIONS -Werror )
       if( NOT ${WALBERLA_CLANG_OPENMP_BUG} )
          message( WARNING "Setting -Wno-sign-conversion due to a compiler bug in LLVM (https://bugs.llvm.org/show_bug.cgi?id=48387)" )
          add_flag( CMAKE_CXX_FLAGS "-Wno-sign-conversion" )
       endif()
1057
1058
    endif()

1059
1060
else()
    if ( WALBERLA_CXX_COMPILER_IS_CRAY )
1061
1062
        add_flag ( CMAKE_C_FLAGS   "-h noomp" )
        add_flag ( CMAKE_CXX_FLAGS "-h noomp" )
1063
1064
1065
1066
1067
1068
    endif()
endif()
############################################################################################################################



Martin Bauer's avatar
Martin Bauer committed
1069
1070
1071
1072
1073
1074
############################################################################################################################
##
## CUDA
##
############################################################################################################################
if ( WALBERLA_BUILD_WITH_CUDA )
1075
1076
1077
1078
    include(CheckLanguage)
    check_language(CUDA)
    if( CMAKE_CUDA_COMPILER )

Markus Holzer's avatar
Markus Holzer committed
1079
1080
1081
1082
1083
1084
        if(${CMAKE_VERSION} VERSION_GREATER "3.18.0" AND NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
            set(CMAKE_CUDA_ARCHITECTURES OFF)
            message(WARNING "CMAKE_CUDA_ARCHITECTURES was not set. It is automatically set to: ${CMAKE_CUDA_ARCHITECTURES}")
        endif()

        enable_language(CUDA)
1085

Markus Holzer's avatar
Markus Holzer committed
1086
1087
1088
1089
        #include directories and cudart lib is needed for cpp files that use cuda headers/libs
        include_directories(${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES})
        find_library(CUDART_LIBRARY cudart ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES})
        list ( APPEND SERVICE_LIBS ${CUDART_LIBRARY} )
Martin Bauer's avatar
Martin Bauer committed
1090

Markus Holzer's avatar
Markus Holzer committed
1091
1092
        find_library( NVTX_LIBRARY nvToolsExt ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES} )
        list ( APPEND SERVICE_LIBS ${NVTX_LIBRARY} )
Christoph Schwarzmeier's avatar
Christoph Schwarzmeier committed
1093

Markus Holzer's avatar
Markus Holzer committed
1094
1095
        #CUDA_FOUND is need for our cmake mechanism
        set ( CUDA_FOUND TRUE )
Martin Bauer's avatar
Martin Bauer committed
1096
    else()
Markus Holzer's avatar
Markus Holzer committed
1097
        set ( WALBERLA_BUILD_WITH_CUDA FALSE )
Martin Bauer's avatar
Martin Bauer committed
1098
1099
    endif ( )
endif ( )
Markus Holzer's avatar
Markus Holzer committed
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110

# old nvcc compilers and newer stdlibc++ are incompatible. This needs to be checked!
if (WALBERLA_STL_BOUNDS_CHECKS AND WALBERLA_BUILD_WITH_CODEGEN AND WALBERLA_BUILD_WITH_CUDA AND CMAKE_CUDA_COMPILER_VERSION VERSION_LESS "11.0" AND WALBERLA_CXX_COMPILER_IS_GNU AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "9.0")
    message(FATAL_ERROR "WALBERLA_STL_BOUNDS_CHECKS is not compatible with your CUDA compiler")
endif()

if (WALBERLA_BUILD_WITH_CUDA AND (CMAKE_CUDA_COMPILER_VERSION VERSION_LESS "11.0" OR CMAKE_VERSION VERSION_LESS 3.18.0))
    # CUDA < 11 does not support C++17. std::experimental::any works with C++14, unlike std::any.
    set(CMAKE_CUDA_STANDARD 14)
    set(WALBERLA_USE_STD_EXPERIMENTAL_ANY 1)
endif()
Martin Bauer's avatar
Martin Bauer committed
1111
1112
1113
1114
############################################################################################################################



1115
1116
############################################################################################################################
##
1117
##  Testing Coverage
1118
1119
1120
##
############################################################################################################################
if (WALBERLA_BUILD_WITH_GCOV AND CMAKE_COMPILER_IS_GNUCXX  )
1121
    add_flag ( CMAKE_CXX_FLAGS "--coverage" )
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
endif()
############################################################################################################################



############################################################################################################################
##
##  Profiling with gprof
##
############################################################################################################################

if ( WALBERLA_BUILD_WITH_GPROF )
    if ( WALBERLA_CXX_COMPILER_IS_INTEL )
1135
        add_flag ( CMAKE_CXX_FLAGS        "-pg" )
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
        add_flag ( CMAKE_EXE_LINKER_FLAGS "-pg" )
    elseif ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
        add_flag ( CMAKE_CXX_FLAGS        "-pg" )
    endif()
endif()
############################################################################################################################


############################################################################################################################
##
##  Likwid Marker API
##
############################################################################################################################


if ( WALBERLA_BUILD_WITH_LIKWID_MARKERS )
1152
1153
    find_library( LIKWID_LIB likwid HINTS $ENV{LIKWID_LIBDIR} $ENV{LIKWID_ROOT}/lib )
    find_path( LIKWID_INCLUDE_DIR likwid.h HINTS $ENV{LIKWID_INCDIR} $ENV{LIKWID_ROOT}/include )
1154

1155
    if ( LIKWID_LIB AND LIKWID_INCLUDE_DIR)
1156
        set( LIKWID_FOUND 1)
1157
        include_directories( ${LIKWID_INCLUDE_DIR})
1158
        add_definitions ( "-DLIKWID_PERFMON" )
1159
        list ( APPEND SERVICE_LIBS ${LIKWID_LIB} )
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
    else()
        message(WARNING "likwid marker library not found. Set environment variable LIKWID_ROOT")
        set ( WALBERLA_BUILD_WITH_LIKWID_MARKERS OFF CACHE BOOL "Compile in markers for likwid-perfctr" FORCE )
    endif()
endif()



############################################################################################################################
##
##  Link time optimizations
##
############################################################################################################################
if ( WALBERLA_BUILD_WITH_LTO  )
1174
1175
1176
1177
1178
1179
1180
1181
    cmake_policy( SET CMP0069 NEW )
    include( CheckIPOSupported )
    check_ipo_supported( RESULT LTO_SUPPORTED LANGUAGES CXX )
    if( LTO_SUPPORTED )
       set( CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE )
    else()
       message( WARNING "Link-time optimization is not supported with this compiler" )
    endif()
1182
endif ( )
Michael Kuron's avatar
Michael Kuron committed
1183
1184
1185
1186
1187

############################################################################################################################
##
##  Some more compiler flags that need to happen after any try_compile (e.g. inside FindMPI)
##
1188
1189
############################################################################################################################

Michael Kuron's avatar
Michael Kuron committed
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
# Treat warnings as errors
if ( WARNING_ERROR )
   if( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG )
      add_flag ( CMAKE_CXX_FLAGS "-pedantic-errors -Werror" )
   elseif( WALBERLA_CXX_COMPILER_IS_MSVC )
      add_flag ( CMAKE_CXX_FLAGS "/WX" )
   elseif ( WALBERLA_CXX_COMPILER_IS_CRAY )
      add_flag ( CMAKE_CXX_FLAGS "-h error_on_warning" )
   endif()
endif ( )

1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
############################################################################################################################
##
##  Sanitizer
##
############################################################################################################################
if ( WALBERLA_SANITIZE_ADDRESS )
    if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
        add_flag( CMAKE_CXX_FLAGS "-fsanitize=address")
    endif()
endif()
1211

1212
1213
1214
1215
1216
if ( WALBERLA_SANITIZE_UNDEFINED )
    if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
        add_flag( CMAKE_CXX_FLAGS "-fsanitize=undefined")
    endif()
endif()
1217
1218
1219
1220

############################################################################################################################
# Documentation Generation
#
1221
1222
1223
1224
1225
if (WALBERLA_BUILD_DOC)
  # Build documentation using Doxygen (www.doxygen.org)
  ############################################################################################################################
  find_package ( Doxygen  )
  find_package ( HTMLHelp )
1226

1227
1228
1229
1230
1231
  if ( HTML_HELP_COMPILER EQUAL "" )
     set ( HTML_HELP_FOUND "NO" )
  else ( )
     set ( HTML_HELP_FOUND "YES" )
  endif ( )
1232

1233
1234
1235
1236
  if ( DOXYGEN_FOUND )
     set ( DOXYGEN_HTML_HEADER ${walberla_SOURCE_DIR}/doc/header.html )
     set ( DOXYGEN_HTML_FOOTER ${walberla_SOURCE_DIR}/doc/footer.html )
     set ( DOXYGEN_HTML_OUTPUT "html" )
1237

1238
1239
1240
1241
1242
1243
1244
     configure_file ( ${walberla_SOURCE_DIR}/doc/doxygen.in ${walberla_BINARY_DIR}/doc/doxygen.cfg @ONLY )

     add_custom_target ( doc   ${DOXYGEN_EXECUTABLE} ${walberla_BINARY_DIR}/doc/doxygen.cfg
                            COMMENT "Generating API documentation with Doxygen" VERBATIM )

  endif ( )
endif()
1245

1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
############################################################################################################################





############################################################################################################################
#
# Fix compiler bugs
#
############################################################################################################################

# The NEC SX has a few issues in its standard library headers
if( WALBERLA_CXX_COMPILER_IS_NEC )
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/math.h         "#include_next <math.h>\n#undef fpclassify\n#undef signbit\n#undef isfinite\n#undef isinf\n#undef isnan\n#undef isnormal\n#undef isgreater\n#undef isgreaterequal\n#undef isless\n#undef islessequal\n#undef islessgreater\n#undef isunordered\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/types.h    "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/types.h\"   \n#undef uint_t\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/acl.h      "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/acl.h\"     \n#undef uint_t\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/if_ehcpl.h "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/if_ehcpl.h\"\n#undef uint_t\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/ptms.h     "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/ptms.h\"    \n#undef uint_t\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/stream.h   "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/stream.h\"  \n#undef uint_t\n")
   file( WRITE ${walberla_BINARY_DIR}/CMakeFiles/src/sys/strsubr.h  "#define uint_t SX_UINT_T\n#include \"/SX/usr/include/sys/strsubr.h\" \n#undef uint_t\n")
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/math.h         ${walberla_BINARY_DIR}/src/math.h COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/types.h    ${walberla_BINARY_DIR}/src/sys/types.h    COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/acl.h      ${walberla_BINARY_DIR}/src/sys/acl.h      COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/if_ehcpl.h ${walberla_BINARY_DIR}/src/sys/if_ehcpl.h COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/ptms.h     ${walberla_BINARY_DIR}/src/sys/ptms.h     COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/stream.h   ${walberla_BINARY_DIR}/src/sys/stream.h   COPYONLY )
   configure_file ( ${walberla_BINARY_DIR}/CMakeFiles/src/sys/strsubr.h  ${walberla_BINARY_DIR}/src/sys/strsubr.h  COPYONLY )
endif()



############################################################################################################################
#
# Subdirectories
#
############################################################################################################################

# Add binary dir for generated headers
include_directories ( ${CMAKE_CURRENT_BINARY_DIR}/src )
1286
# All include paths are specified relative to src/ directory
1287
1288
include_directories ( ${CMAKE_CURRENT_SOURCE_DIR}/src )

Dominik Thoennes's avatar
Dominik Thoennes committed
1289
1290
1291
# external
add_subdirectory( extern )

1292
1293
# sources
add_subdirectory ( src )
1294
1295

# Generate file with compile options, and add install rule for it
1296
configure_file ( src/waLBerlaDefinitions.in.h
1297
                 src/waLBerlaDefinitions.h    )
1298

1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
install( FILES ${walberla_BINARY_DIR}/src/waLBerlaDefinitions.h DESTINATION walberla/ )


# test
if ( WALBERLA_BUILD_TESTS )
    add_subdirectory ( tests )
else()
    add_subdirectory( tests EXCLUDE_FROM_ALL )
endif()


add_subdirectory ( apps )

waLBerla_export()

############################################################################################################################
1315
1316
1317
1318
1319
1320
1321
1322

############################################################################################################################
##
## clang-tidy
##
############################################################################################################################

waLBerla_link_files_to_builddir( .clang-tidy )
1323
add_subdirectory( utilities )