CMakeLists.txt 58.8 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
253
254
255
256
257
258
259
260
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
# 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 )

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



############################################################################################################################
##
## 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++
294
if ( NOT WARNING_DISABLE AND ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL ) )
295
296
297
   add_flag ( CMAKE_CXX_FLAGS "-Wall -Wconversion -Wshadow" )
endif()

Michael Kuron's avatar
Michael Kuron committed
298
# C++ language features for NEC compiler
299
if( WALBERLA_CXX_COMPILER_IS_NEC )
300
301
   set( CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION "-Kcpp${CMAKE_CXX_STANDARD}" )
   set( CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION )
302
   add_flag ( CMAKE_CXX_FLAGS "${CMAKE_CXX${CMAKE_CXX_STANDARD}_STANDARD_COMPILE_OPTION} -Krtti -Kexceptions -size_t64 -Kgcc" )
303
304
305
306
307
308
309
310
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
   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()

342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
# 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()

357
358
359
# 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
360
361
362
363
364
365
366
      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()
      
367
368
369
370
      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
371
372
373
374
375
376

      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()
377
   endif()
378
endif()
379

380
# warning flags
381
382
383
384
385
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 )
386
   add_flag ( CMAKE_CXX_FLAGS "-Wfloat-equal -Wextra" )
387
388
389
390
391
elseif( WALBERLA_CXX_COMPILER_IS_NEC )
   add_flag ( CMAKE_CXX_FLAGS "-wall" )
endif()

if ( WARNING_PEDANTIC AND WALBERLA_CXX_COMPILER_IS_GNU )
392
   add_flag ( CMAKE_CXX_FLAGS "-pedantic" )
393
endif ( )
394

395
 # omit deprecated warnings
396
if( NOT WARNING_DEPRECATED)
397
398
399
400
401
402
   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()
403

404
405

if ( WALBERLA_CXX_COMPILER_IS_CLANG )
Michael Kuron's avatar
Michael Kuron committed
406
    add_flag ( CMAKE_CXX_FLAGS "-Wall -Wconversion -Wshadow -Wno-c++11-extensions -Qunused-arguments" )
407
408
409
410
411
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
412
        add_definitions ( "-D_LIBCPP_DEBUG=1" )
413
414
415
416
417
418
419
420
421
    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()
422

423
424
425
    if ( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_CLANG )
        add_flag( CMAKE_CXX_FLAGS "-ffast-math")
    endif()
426

427
428
429
    if( WALBERLA_CXX_COMPILER_IS_MSVC )
        add_flag( CMAKE_CXX_FLAGS "/fp:fast" )
    endif()
430
endif()
431
432
433
434
435
436
437
438
439
440
441
442
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

# 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
471
472
############################################################################################################################
##
473
##  Find newer C++ libraries, which may only be available in std::experimental on some compilers
Michael Kuron's avatar
Michael Kuron committed
474
475
476
##
############################################################################################################################

477
try_compile( WALBERLA_USE_STD_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
478
             COMPILE_DEFINITIONS -DWALBERLA_USE_STD_FILESYSTEM COPY_FILE "${CMAKE_CURRENT_BINARY_DIR}/TestStdFilesystem" )
Michael Kuron's avatar
Michael Kuron committed
479
if( WALBERLA_USE_STD_FILESYSTEM )
480
  # detect https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90050 by checking whether it segfaults
481
  execute_process( COMMAND "${CMAKE_CURRENT_BINARY_DIR}/TestStdFilesystem" OUTPUT_QUIET RESULT_VARIABLE WALBERLA_STD_FILESYSTEM_WORKS )
482
483
endif()
if( WALBERLA_USE_STD_FILESYSTEM AND WALBERLA_STD_FILESYSTEM_WORKS EQUAL 0 )
Michael Kuron's avatar
Michael Kuron committed
484
485
   message( STATUS "Found std::filesystem")
else()
486
   try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
487
                COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
Michael Kuron's avatar
Michael Kuron committed
488
489
490
491
492
   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 )
493
      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
494
                   COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM LINK_LIBRARIES stdc++fs )
Michael Kuron's avatar
Michael Kuron committed
495
496
497
498
499
500
501
      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 )
502
      try_compile( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM "${CMAKE_CURRENT_BINARY_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/TestStdFilesystem.cpp"
503
                   COMPILE_DEFINITIONS -DWALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM LINK_LIBRARIES c++experimental )
Michael Kuron's avatar
Michael Kuron committed
504
505
506
507
508
      if( WALBERLA_USE_STD_EXPERIMENTAL_FILESYSTEM )
         message( STATUS "Found std::experimental::filesystem in libc++experimental")
         list ( APPEND SERVICE_LIBS -lc++experimental )
      endif()
   endif()
509
510
   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")
511
512
513
   endif()
endif()

514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
############################################################################################################################
##
##  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()
530

531
532
533
534
535
   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
536
   add_flag ( CMAKE_CXX_FLAGS "-W4" )              # set warning level to maximum
537
538
539
   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"
540
   add_flag ( CMAKE_CXX_FLAGS "-wd4913" )          # disable compiler warning C4512: "user defined binary operator ',' exists but
541
542
543
544
545
                                                   # 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"
546

547
548
549
   if ( WARNING_ERROR )
      add_flag ( CMAKE_CXX_FLAGS "-WX" )           # Treat warnings as errors
   endif ( )
550

551
552
553
554
555
   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()
556

557
558
559
560
561
562
endif ( )
############################################################################################################################




563
564
565
566
567
568
############################################################################################################################
##
## Code Generation (pystencils)
##
#############################################################################################################################
if ( WALBERLA_BUILD_WITH_CODEGEN )
569
570
571
572
573
574
575
   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()
576
    execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from pystencils.include import get_pystencils_include_path; print(get_pystencils_include_path())"
577
578
                    OUTPUT_VARIABLE PYSTENCILS_INCLUDE_PATH)
    include_directories( ${PYSTENCILS_INCLUDE_PATH} )
579
580
581
582
583
584
585

    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()
586
587
588
589
590
591
endif()
############################################################################################################################




592
593
594
595
596
597
############################################################################################################################
##
## Python Libraries
##
#############################################################################################################################
if ( WALBERLA_BUILD_WITH_PYTHON )
598

599
    find_package( PythonInterp 3.6 QUIET REQUIRED)
Martin Bauer's avatar
Martin Bauer committed
600
    find_package( PythonLibs QUIET REQUIRED)
601

602
603
604
    if( NOT (PYTHON_LIBRARY AND PYTHON_INCLUDE_DIR ) )
        message( FATAL_ERROR "Couldn't find any python library" )
    endif()
605

606
607
608
609
610
611
612
    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()

613
614
615
    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)
616
    if(pybind11_VERSION_RESULT EQUAL "0" AND pybind11_VERSION VERSION_GREATER_EQUAL "${PYBIND11_MINIMUM_VERSION}")
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
        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()
634
        endif()
635

636
637
638
639
640
641
        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()
642
        endif()
643
644
645

        add_subdirectory(extern/pybind11)

646
647
648
649
650
651
        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()
652
    endif()
653

654
655
656
657
    # 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)

658

659
660
661
662
663
664
665
    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()
666
667
668
669
670
671
672
673
endif()


############################################################################################################################
##
## BOOST Libraries
##
#############################################################################################################################
674
set ( Boost_NO_BOOST_CMAKE ON)
675
676
677

# 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
678
679
      "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"
680
      "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"
681
      "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")
682
683
684
685
686
687
688
689
690
691

# 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 ( )
692
endif ( )
693

694
find_package ( Boost )
695
696
697
698
699
700
701
702
703

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...)
704

Michael Kuron's avatar
Michael Kuron committed
705
   set( WALBERLA_BUILD_WITH_BOOST TRUE CACHE INTERNAL "Build with Boost" )
706
else( Boost_FOUND )
707
   set( WALBERLA_BUILD_WITH_BOOST FALSE CACHE INTERNAL "Build with Boost" )
708
709
710
711
712
713
714
715
716
717
718
endif( Boost_FOUND )


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





############################################################################################################################
##
719
## PThread is required in Linux environments by std::thread
720
721
722
##
############################################################################################################################

723
724
725
726
727
728
729
730
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()
731
732
733
734
endif()



735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
############################################################################################################################
##
## 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()



752
753
754
755
756
757
############################################################################################################################
##
## MPI
##
############################################################################################################################

758
if ( WALBERLA_BUILD_WITH_MPI AND NOT WALBERLA_CXX_COMPILER_IS_MPI_WRAPPER )
759
   find_package ( MPI )
760

761
762
763
764
765
766
767
768
769
770
   # 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} )
771
         find_path ( MPI_C_INCLUDE_PATH mpi.h
772
773
            HINTS ${MPI_PATH}
            PATH_SUFFIXES include Inc)
774
         set ( MPI_CXX_INCLUDE_PATH ${MPI_C_INCLUDE_PATH} CACHE FILEPATH "" FORCE )
775
776
777
778
779
780
781
782
783
784

         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 ( )
785

786
787
788
789
790
         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 )
791

792
793
794
         if ( NOT MPI_C_LIBRARIES STREQUAL "MPI_C_LIBRARIES-NOTFOUND" )
            set ( MPI_C_FOUND ON FORCE )
         endif ( )
795

796
797
798
799
800
801
802
803
         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 ( )
804
805
806
   endif ( )

   if ( MPI_FOUND )
807
808
809
810
     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 ${LIB} )
811
         endif ( )
812
813
814
     endforeach ( )
     add_flag ( CMAKE_CXX_FLAGS "${MPI_CXX_COMPILE_FLAGS}" )
     add_flag ( CMAKE_C_FLAGS   "${MPI_C_COMPILE_FLAGS}" )
815

816
817
818
819
820
     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 ( )
821
822
823
824

# OpenMPI 3.0 and higher checks the number of processes against the number of CPUs
execute_process(COMMAND ${MPIEXEC} --version RESULT_VARIABLE mpi_version_result OUTPUT_VARIABLE mpi_version_output)
if (mpi_version_result EQUAL 0 AND mpi_version_output MATCHES "\\(Open(RTE| MPI)\\) ([3-9]\\.|1[0-9])")
825
    set ( MPIEXEC_PREFLAGS "${MPIEXEC_PREFLAGS}" "-oversubscribe" CACHE STRING "" FORCE)
826
endif()
827
828
829
830
831
832
833
834
835
836
837
838
839
840
############################################################################################################################



############################################################################################################################
##
## 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 )
841
    set( OpenGL_GL_PREFERENCE LEGACY )
842
    find_package( OpenGL REQUIRED )
843

844
845
    INCLUDE( ${QT_USE_FILE} )
    list ( APPEND SERVICE_LIBS ${OPENGL_LIBRARIES} ${QT_LIBRARIES} )
846

847
848
849
850
851
852
853
854
855
856
857
858
859
860
endif(WALBERLA_ENABLE_GUI)

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



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

if ( WALBERLA_BUILD_WITH_METIS )
    find_package ( Metis QUIET )
861

862
    if ( METIS_FOUND )
863
        include_directories( ${METIS_INCLUDE_DIRS} )
864
865
866
867
868
869
870
        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()
871
    set ( METIS_FOUND OFF CACHE BOOL "Metis found" FORCE )
872
873
endif()

874
875
876
877
878
879
880
881

if ( WALBERLA_BUILD_WITH_PARMETIS )
   find_path(PARMETIS_INCLUDE_DIR parmetis.h
      /usr/local/include
      /usr/include
      ${PARMETIS_ROOT}/include
      $ENV{PARMETIS_ROOT}/include
   )
882

883
884
885
886
887
888
  find_library(PARMETIS_LIBRARY parmetis
    /usr/local/lib
    /usr/lib
    ${PARMETIS_ROOT}/lib
    $ENV{PARMETIS_ROOT}/lib
  )
889

890
891
892
893
894
895
  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()

896
897
898
899
900
901
902
903
904
905
906
907
908
909
############################################################################################################################



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

if( WALBERLA_BUILD_WITH_MPI )
   find_package( PFFT )
   find_package( FFTW3 )
   set( FFT_REQUIRED_LIBRARIES pfft fftw3_mpi fftw3 )
910
   if( PFFT_FOUND AND FFTW3_MPI_FOUND )
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
      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()



927
928
929
930
931
932
933
934
935
936
937
############################################################################################################################
##
## 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
938
939
940
      if( WALBERLA_CXX_COMPILER_IS_MSVC )
         add_definitions(-D_USE_MATH_DEFINES )
      endif()
941
942
943
944
945
   else()
      set( WALBERLA_BUILD_WITH_OPENMESH OFF CACHE BOOL "Build with OpenMesh support" FORCE )
   endif()
endif()

946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
############################################################################################################################
##
## 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 ${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED})
elseif( WALBERLA_CXX_COMPILER_IS_GNU OR WALBERLA_CXX_COMPILER_IS_INTEL OR WALBERLA_CXX_COMPILER_IS_CLANG )
968
969
   set( CMAKE_C_FLAGS_DEBUGOPTIMIZED   "${CMAKE_C_FLAGS_DEBUGOPTIMIZED} -O3" )
   set( CMAKE_CXX_FLAGS_DEBUGOPTIMIZED "${CMAKE_CXX_FLAGS_DEBUGOPTIMIZED} -O3" )
970
971
endif()

972
set(CMAKE_C_FLAGS_DEBUGOPTIMIZED ${CMAKE_C_FLAGS_DEBUGOPTIMIZED} CACHE STRING
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
    "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()
############################################################################################################################




1004

1005
1006
1007
1008
1009
1010
1011
1012
1013
############################################################################################################################
##
## OpenMP
##
############################################################################################################################

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

if ( WALBERLA_BUILD_WITH_OPENMP )
1014
1015
1016
1017
1018
    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} )
1019
    else()
1020
1021
1022
1023
1024
1025
1026
1027
        #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()
1028
1029
1030
    endif()
else()
    if ( WALBERLA_CXX_COMPILER_IS_CRAY )
1031
1032
        add_flag ( CMAKE_C_FLAGS   "-h noomp" )
        add_flag ( CMAKE_CXX_FLAGS "-h noomp" )
1033
1034
1035
1036
1037
1038
    endif()
endif()
############################################################################################################################



Martin Bauer's avatar
Martin Bauer committed
1039
1040
1041
1042
1043
1044
############################################################################################################################
##
## CUDA
##
############################################################################################################################
if ( WALBERLA_BUILD_WITH_CUDA )
1045
1046
1047
1048
    include(CheckLanguage)
    check_language(CUDA)
    if( CMAKE_CUDA_COMPILER )

Markus Holzer's avatar
Markus Holzer committed
1049
1050
1051
1052
1053
1054
        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)
1055

Markus Holzer's avatar
Markus Holzer committed
1056
1057
1058
1059
        #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
1060

Markus Holzer's avatar
Markus Holzer committed
1061
1062
        find_library( NVTX_LIBRARY nvToolsExt ${CMAKE_CUDA_IMPLICIT_LINK_DIRECTORIES} )
        list ( APPEND SERVICE_LIBS ${NVTX_LIBRARY} )
Christoph Schwarzmeier's avatar
Christoph Schwarzmeier committed
1063

Markus Holzer's avatar
Markus Holzer committed
1064
1065
        #CUDA_FOUND is need for our cmake mechanism
        set ( CUDA_FOUND TRUE )
Martin Bauer's avatar
Martin Bauer committed
1066
    else()
Markus Holzer's avatar
Markus Holzer committed
1067
        set ( WALBERLA_BUILD_WITH_CUDA FALSE )
Martin Bauer's avatar
Martin Bauer committed
1068
1069
    endif ( )
endif ( )
Markus Holzer's avatar
Markus Holzer committed
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080

# 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
1081
1082
1083
1084
############################################################################################################################



1085
1086
############################################################################################################################
##
1087
##  Testing Coverage
1088
1089
1090
##
############################################################################################################################
if (WALBERLA_BUILD_WITH_GCOV AND CMAKE_COMPILER_IS_GNUCXX  )
1091
    add_flag ( CMAKE_CXX_FLAGS "--coverage" )
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
endif()
############################################################################################################################



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

if ( WALBERLA_BUILD_WITH_GPROF )
    if ( WALBERLA_CXX_COMPILER_IS_INTEL )
1105
        add_flag ( CMAKE_CXX_FLAGS        "-pg" )
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
        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 )
1122
1123
    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 )
1124

1125
    if ( LIKWID_LIB AND LIKWID_INCLUDE_DIR)
1126
        set( LIKWID_FOUND 1)
1127
        include_directories( ${LIKWID_INCLUDE_DIR})
1128
        add_definitions ( "-DLIKWID_PERFMON" )
1129
        list ( APPEND SERVICE_LIBS ${LIKWID_LIB} )
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
    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  )
1144
1145
1146
1147
1148
1149
1150
1151
    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()
1152
endif ( )
Michael Kuron's avatar
Michael Kuron committed
1153
1154
1155
1156
1157

############################################################################################################################
##
##  Some more compiler flags that need to happen after any try_compile (e.g. inside FindMPI)
##
1158
1159
############################################################################################################################

Michael Kuron's avatar
Michael Kuron committed
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
# 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 ( )

1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
############################################################################################################################
##
##  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()
1181

1182
1183
1184
1185
1186
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()
1187
1188
1189
1190

############################################################################################################################
# Documentation Generation
#
1191
1192
1193
1194
1195
if (WALBERLA_BUILD_DOC)
  # Build documentation using Doxygen (www.doxygen.org)
  ############################################################################################################################
  find_package ( Doxygen  )
  find_package ( HTMLHelp )
1196

1197
1198
1199
1200
1201
  if ( HTML_HELP_COMPILER EQUAL "" )
     set ( HTML_HELP_FOUND "NO" )
  else ( )
     set ( HTML_HELP_FOUND "YES" )
  endif ( )
1202

1203
1204
1205
1206
  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" )
1207

1208
1209
1210
1211
1212
1213
1214
     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()
1215

1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
############################################################################################################################





############################################################################################################################
#
# 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 )
1256
# All include paths are specified relative to src/ directory
1257
1258
include_directories ( ${CMAKE_CURRENT_SOURCE_DIR}/src )

Dominik Thoennes's avatar
Dominik Thoennes committed
1259
1260
1261
# external
add_subdirectory( extern )

1262
1263
# sources
add_subdirectory ( src )
1264
1265

# Generate file with compile options, and add install rule for it
1266
configure_file ( src/waLBerlaDefinitions.in.h
1267
                 src/waLBerlaDefinitions.h    )
1268

1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
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()

############################################################################################################################
1285
1286
1287
1288
1289
1290
1291
1292

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

waLBerla_link_files_to_builddir( .clang-tidy )
1293
add_subdirectory( utilities )