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CMakeLists.txt
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CMakeLists.txt
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# Gmsh - Copyright (C) 1997-2018 C. Geuzaine, J.-F. Remacle
#
# See the LICENSE.txt file for license information. Please report all
# issues on https://gitlab.onelab.info/gmsh/gmsh/issues
cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
# do not warn about non-definition of WIN32 on Cygwin
set(CMAKE_LEGACY_CYGWIN_WIN32 0)
# if CMAKE_BUILD_TYPE is specified use it; otherwise set the default
# build type to "RelWithDebInfo" ("-O2 -g" with gcc) prior to calling
# project()
if(DEFINED CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE} CACHE STRING "Choose build type")
else()
set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose build type")
endif()
project(gmsh CXX C)
# this variable controls the default value of the options which are normally set
# to ON (useful if you want to configure a minimal version of Gmsh: e.g. "cmake
# -DDEFAULT=0 -DENABLE_POST=1 -DENABLE_PARSER=1")
set(DEFAULT ON CACHE INTERNAL "Default value for enabled-by-default options")
macro(opt OPTION HELP VALUE)
option(ENABLE_${OPTION} ${HELP} ${VALUE})
set(OPT_TEXI "${OPT_TEXI}\n@item ENABLE_${OPTION}\n${HELP} (default: ${VALUE})")
endmacro()
opt(3M "Enable proprietary 3M extension" OFF)
opt(ACIS "Enable ACIS geometrical models (experimental)" ${DEFAULT})
opt(ANN "Enable ANN (used for fast point search in mesh/post)" ${DEFAULT})
opt(BAMG "Enable Bamg 2D anisotropic mesh generator" ${DEFAULT})
opt(BFGS "Enable BFGS (used by some mesh optimizers)" ${DEFAULT})
opt(BLAS_LAPACK "Enable BLAS/Lapack for linear algebra (required for meshing)" ON)
opt(BLOSSOM "Enable Blossom algorithm (needed for full quad meshing)" ${DEFAULT})
opt(BUILD_LIB "Enable 'lib' target for building static Gmsh library" OFF)
opt(BUILD_SHARED "Enable 'shared' target for building shared Gmsh library" OFF)
opt(BUILD_DYNAMIC "Enable dynamic Gmsh executable (linked with shared lib)" OFF)
opt(BUILD_ANDROID "Enable Android NDK library target (experimental)" OFF)
opt(BUILD_IOS "Enable iOS library target (experimental)" OFF)
opt(CGNS "Enable CGNS mesh import" ${DEFAULT})
opt(CAIRO "Enable Cairo to render fonts (experimental)" ${DEFAULT})
opt(CXX11 "Enable C++11" ${DEFAULT})
opt(C99 "Enable C99" ${DEFAULT})
opt(PROFILE "Enable profiling compiler flags" OFF)
opt(DINTEGRATION "Enable discrete integration (needed for levelsets)" ${DEFAULT})
opt(FLTK "Enable FLTK graphical user interface (requires mesh/post)" ${DEFAULT})
opt(GETDP "Enable GetDP solver (as a directly linked library)" ${DEFAULT})
opt(GMM "Enable GMM linear solvers (simple alternative to PETSc)" ${DEFAULT})
opt(GMP "Enable GMP for Kbipack (advanced)" ON)
opt(GRAPHICS "Enable building graphics lib even without GUI (advanced)" OFF)
opt(HXT "Enable HXT library" ${DEFAULT})
opt(KBIPACK "Enable Kbipack (neeeded by homology solver)" ${DEFAULT})
opt(MATHEX "Enable math expression parser (used by plugins and options)" ${DEFAULT})
opt(MED "Enable MED mesh and post file formats" ${DEFAULT})
opt(MESH "Enable mesh module (required by GUI)" ${DEFAULT})
opt(METIS "Enable Metis mesh partitioner" ${DEFAULT})
opt(MMG3D "Enable MMG3D 3D anisotropic mesh refinement" ${DEFAULT})
opt(MPEG_ENCODE "Enable built-in MPEG movie encoder" ${DEFAULT})
opt(MPI "Enable MPI (mostly for parser and solver - mesh generation is sequential)" OFF)
opt(MSVC_STATIC_RUNTIME "Enable static Visual C++ runtime" OFF)
opt(MUMPS "Enable MUMPS sparse direct linear solver" OFF)
opt(NATIVE_FILE_CHOOSER "Enable native file chooser in GUI" ${DEFAULT})
opt(NETGEN "Enable Netgen 3D frontal mesh generator" ${DEFAULT})
opt(NUMPY "Enable fullMatrix and numpy array conversion for internal developer API" OFF)
opt(PETSC4PY "Enable petsc4py wrappers for petsc matrices in internal developer API" ON)
opt(OCC "Enable OpenCASCADE geometrical models" ${DEFAULT})
opt(OCC_CAF "Enable OpenCASCADE CAF module" OFF)
opt(ONELAB "Enable ONELAB solver interface" ${DEFAULT})
opt(ONELAB_METAMODEL "Enable ONELAB metamodels (experimental)" ${DEFAULT})
opt(OPENMP "Enable OpenMP (experimental)" OFF)
opt(OPTHOM "Enable high-order mesh optimization tools" ${DEFAULT})
opt(OS_SPECIFIC_INSTALL "Enable OS-specific (e.g. app bundle) installation" OFF)
opt(OSMESA "Enable OSMesa for offscreen rendering (experimental)" OFF)
opt(PARSER "Enable GEO file parser (required for .geo/.pos files)" ${DEFAULT})
opt(PETSC "Enable PETSc linear solvers (required for SLEPc)" ${DEFAULT})
opt(PLUGINS "Enable post-processing plugins" ${DEFAULT})
opt(POST "Enable post-processing module (required by GUI)" ${DEFAULT})
opt(POPPLER "Enable Poppler for displaying PDF documents (experimental)" OFF)
opt(PRIVATE_API "Enable private API" OFF)
opt(REVOROPT "Enable Revoropt (used for CVT remeshing)" OFF)
opt(SLEPC "Enable SLEPc eigensolvers (required for conformal compounds)" ${DEFAULT})
opt(SOLVER "Enable built-in finite element solvers (required for compounds)" ${DEFAULT})
opt(SYSTEM_CONTRIB "Use system versions of contrib libraries, when possible" OFF)
opt(TCMALLOC "Enable libtcmalloc, a fast malloc implementation but that does not release memory" OFF)
opt(VISUDEV "Enable additional visualization capabilities for development purpose" OFF)
opt(VOROPP "Enable voro++ (for hex meshing, experimental)" ${DEFAULT})
opt(WRAP_JAVA "Enable generation of Java wrappers for private API" OFF)
opt(WRAP_PYTHON "Enable generation of Python wrappers for private API" OFF)
opt(ZIPPER "Enable Zip file compression/decompression" OFF)
set(GMSH_MAJOR_VERSION 4)
set(GMSH_MINOR_VERSION 0)
set(GMSH_PATCH_VERSION 7)
set(GMSH_EXTRA_VERSION "" CACHE STRING "")
if(NOT GMSH_RELEASE)
find_package(Git)
if(GIT_FOUND)
execute_process(COMMAND ${GIT_EXECUTABLE} log -1 --format=%h
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_COMMIT_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if(GIT_COMMIT_HASH)
set(GMSH_EXTRA_VERSION "-git-${GIT_COMMIT_HASH}")
else()
set(GMSH_EXTRA_VERSION "-git")
endif()
endif()
set(GMSH_VERSION "${GMSH_MAJOR_VERSION}.${GMSH_MINOR_VERSION}")
set(GMSH_VERSION "${GMSH_VERSION}.${GMSH_PATCH_VERSION}${GMSH_EXTRA_VERSION}")
set(GMSH_SHORT_LICENSE "GNU General Public License")
set(GMSH_API api/gmsh.h api/gmshc.h api/gmsh.h_cwrap)
if(ENABLE_PRIVATE_API)
message(WARNING "The private API is unsupported and undocumented. It is meant "
"for expert Gmsh developers, not for regular Gmsh users, who should rely "
"on the stable public API (gmsh/api) instead. If you are repackaging Gmsh, "
"e.g. for a Linux distribution, please DO NOT distribute the private API "
"(i.e. all the internal headers) and ship the stable public API instead "
"(i.e. only the headers and modules in gmsh/api).")
file(GLOB_RECURSE HEADERS Common/*.h Numeric/*.h Geo/*.h Mesh/*.h Solver/*.h
Post/*.h Graphics/*.h contrib/kbipack/*.h contrib/DiscreteIntegration/*.h
contrib/HighOrderMeshOptimizer/*.h contrib/MeshOptimizer/*.h
contrib/MeshQualityOptimizer/*.h contrib/MathEx/*.h)
set(GMSH_PRIVATE_API ${CMAKE_CURRENT_BINARY_DIR}/Common/GmshConfig.h
${CMAKE_CURRENT_BINARY_DIR}/Common/GmshVersion.h ${HEADERS})
get_property(IAMCHILD DIRECTORY PROPERTY PARENT_DIRECTORY)
if(IAMCHILD)
set(GMSH_PRIVATE_API ${GMSH_PRIVATE_API} PARENT_SCOPE)
endif()
endif()
set(ONELAB_PY contrib/onelab/python/onelab.py)
set(GMSH_PY api/gmsh.py)
set(GMSH_JL api/gmsh.jl)
if(${CMAKE_MAJOR_VERSION} GREATER 2)
string(TIMESTAMP DATE "%Y%m%d")
else()
execute_process(COMMAND date "+%Y%m%d" OUTPUT_VARIABLE DATE
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
execute_process(COMMAND hostname OUTPUT_VARIABLE HOSTNAME
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND whoami OUTPUT_VARIABLE PACKAGER
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT DATE)
set(DATE "unknown")
endif()
set(GMSH_DATE "${DATE}")
if(NOT GMSH_HOST)
if(NOT HOSTNAME)
set(HOSTNAME "unknown")
endif()
set(GMSH_HOST "${HOSTNAME}")
endif()
if(NOT PACKAGER)
set(PACKAGER "unknown")
endif()
string(REPLACE "\\" " " PACKAGER ${PACKAGER})
set(GMSH_PACKAGER "${PACKAGER}")
if(APPLE)
set(GMSH_OS "MacOSX")
elseif(CYGWIN OR MSYS)
# detect if we use the MinGW compilers on Cygwin - if we do, handle the build
# as a pure Windows build
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" OR
CMAKE_CXX_COMPILER_ID MATCHES "Clang")
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
OUTPUT_VARIABLE CXX_COMPILER_MACHINE
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(CXX_COMPILER_MACHINE MATCHES "mingw")
set(GMSH_OS "Windows")
set(WIN32 1)
add_definitions(-DWIN32)
endif()
endif()
else()
set(GMSH_OS "${CMAKE_SYSTEM_NAME}")
endif()
include(CheckTypeSize)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckCXXCompilerFlag)
include(CheckCCompilerFlag)
macro(set_config_option VARNAME STRING)
set(${VARNAME} TRUE)
list(APPEND CONFIG_OPTIONS ${STRING})
message(STATUS "Found " ${STRING})
endmacro()
# check if the machine is 64 bits (this is more reliable than using
# CMAKE_SIZEOF_VOID_P, which does not seem to work e.g. on some Suse
# machines)
check_type_size("void*" SIZEOF_VOID_P)
if(SIZEOF_VOID_P EQUAL 8)
set_config_option(HAVE_64BIT_SIZE_T "64Bit")
endif()
# append 32/64 to the build name on Linux and Windows
if(NOT APPLE)
if(HAVE_64BIT_SIZE_T)
set(GMSH_OS "${GMSH_OS}64")
else()
set(GMSH_OS "${GMSH_OS}32")
endif()
endif()
if(NOT ENABLE_BUILD_SHARED)
if(ENABLE_WRAP_PYTHON OR ENABLE_WRAP_JAVA)
set(ENABLE_BUILD_DYNAMIC ON)
endif()
endif()
if(ENABLE_BUILD_DYNAMIC)
set(GMSH_OS "${GMSH_OS}-sdk")
endif()
if(APPLE)
# FIXME: change this once we understand rpaths - the options below do not work
set(CMAKE_MACOSX_RPATH 0)
else()
# make sure that dynamic libraries can be found when installing/ displacing the
# binaries: from https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/
# RPATH-handling:
# use, i.e. don't skip the full RPATH for the build tree
set(CMAKE_SKIP_BUILD_RPATH FALSE)
# when building, don't use the install RPATH already (but later on when
# installing)
set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
# add the automatically determined parts of the RPATH which point to
# directories outside the build tree to the install RPATH
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
# the RPATH to be used when installing, but only if it's not a system directory
list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib"
isSystemDir)
if("${isSystemDir}" STREQUAL "-1")
set(CMAKE_INSTALL_RPATH "\\\$ORIGIN/../lib")
endif()
endif()
if(MSVC)
# remove annoying warning about bool/int cast performance
set(GMSH_CONFIG_PRAGMAS "#pragma warning(disable:4800 4244 4267)")
foreach(VAR
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
if(ENABLE_MSVC_STATIC_RUNTIME AND ${VAR} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endif()
if(NOT ${VAR} MATCHES "/MP") # enable parallel compilation
set(${VAR} "${${VAR}} /MP")
endif()
endforeach()
if(ENABLE_PRIVATE_API)
if(ENABLE_BUILD_DYNAMIC OR ENABLE_BUILD_SHARED)
# automatically export .def file with all symbols (requires CMake 3.4);
# depending on the compiling options this might lead to more than 64k export
# symbols; just trim the .def file to keep the ones you need
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
endif()
endif()
endif()
if(ENABLE_OPENMP)
find_package(OpenMP)
if(OPENMP_FOUND)
set_config_option(HAVE_OPENMP "OpenMP")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
endif()
endif()
if(ENABLE_CXX11)
# in recent cmake versions we could do e.g. set(CMAKE_CXX_STANDARD 11)
check_cxx_compiler_flag("-std=c++11" STDCXX11)
if(STDCXX11)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
endif()
endif()
if(ENABLE_C99)
# in recent cmake versions we could do e.g. set(CMAKE_C_STANDARD 99)
check_c_compiler_flag("-std=c99" STDC99)
if(STDC99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
endif()
endif()
if(ENABLE_PROFILE)
# Using the perf set of profiling tools doesn't work without the frame
# pointer and a common optimisation is to remove it
check_cxx_compiler_flag("-fno-omit-frame-pointer" FNOFP)
if(FNOFP)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")
endif()
endif()
macro(append_gmsh_src DIRNAME FILES)
foreach(FILE ${FILES})
list(APPEND LIST ${DIRNAME}/${FILE})
endforeach()
set(GMSH_SRC ${GMSH_SRC};${LIST} PARENT_SCOPE)
set(GMSH_DIRS ${GMSH_DIRS};${DIRNAME} PARENT_SCOPE)
endmacro()
macro(find_all_libraries VARNAME LISTNAME PATH SUFFIX)
set(${VARNAME})
list(LENGTH ${LISTNAME} NUM_LIST)
foreach(LIB ${${LISTNAME}})
if("${PATH}" STREQUAL "")
find_library(FOUND_LIB ${LIB} PATH_SUFFIXES ${SUFFIX})
else()
find_library(FOUND_LIB ${LIB} PATHS ${PATH} NO_DEFAULT_PATH)
endif()
if(FOUND_LIB)
list(APPEND ${VARNAME} ${FOUND_LIB})
endif()
unset(FOUND_LIB CACHE)
endforeach()
list(LENGTH ${VARNAME} NUM_FOUND_LIBRARIES)
if(NUM_FOUND_LIBRARIES LESS NUM_LIST)
set(${VARNAME})
endif()
endmacro()
macro(set_compile_flags LISTNAME FLAGS)
foreach(FILE ${${LISTNAME}})
get_source_file_property(PROP ${FILE} COMPILE_FLAGS)
if(PROP)
set_source_files_properties(${FILE} PROPERTIES COMPILE_FLAGS "${PROP} ${FLAGS}")
else()
set_source_files_properties(${FILE} PROPERTIES COMPILE_FLAGS "${FLAGS}")
endif()
endforeach()
endmacro()
if(ENABLE_BLAS_LAPACK)
if(BLAS_LAPACK_LIBRARIES)
# use libs as specified in the BLAS_LAPACK_LIBRARIES variable
set_config_option(HAVE_BLAS "Blas[custom]")
set_config_option(HAVE_LAPACK "Lapack[custom]")
set(LAPACK_LIBRARIES ${BLAS_LAPACK_LIBRARIES})
else()
if(MSVC)
# on Windows with Visual C++ try really hard to find blas/lapack *without*
# requiring a Fortran compiler: 1) try to find the Intel MKL libs using
# the standard search path; if not found 2) try to get the reference
# blas/lapack libs (useful for users with no Fortran compiler and no MKL
# license, who can just download our precompiled "gmsh-dep" package)
if(HAVE_64BIT_SIZE_T)
set(MKL_PATH em64t/lib)
set(MKL_LIBS_REQUIRED libguide40 mkl_intel_lp64 mkl_intel_thread mkl_core)
else()
set(MKL_PATH ia32/lib)
set(MKL_LIBS_REQUIRED libguide40 mkl_intel_c mkl_intel_thread mkl_core)
endif()
find_all_libraries(LAPACK_LIBRARIES MKL_LIBS_REQUIRED "" ${MKL_PATH})
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas[mkl]")
set_config_option(HAVE_LAPACK "Lapack[mkl]")
else()
set(REFLAPACK_LIBS_REQUIRED lapack blas g2c gcc)
find_all_libraries(LAPACK_LIBRARIES REFLAPACK_LIBS_REQUIRED "" "")
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas[ref]")
set_config_option(HAVE_LAPACK "Lapack[ref]")
endif()
endif()
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
# on Linux try to find the Intel MKL without a Fortran compiler
if(HAVE_64BIT_SIZE_T)
set(MKL_PATH lib/em64t)
else()
set(MKL_PATH lib/32)
endif()
set(MKL_LIBS_REQUIRED mkl_gf_lp64 iomp5 mkl_gnu_thread mkl_core guide pthread)
find_all_libraries(LAPACK_LIBRARIES MKL_LIBS_REQUIRED "" ${MKL_PATH})
if(NOT LAPACK_LIBRARIES)
# match lapack 9.0 on 64bit
set(MKL_LIBS_REQUIRED mkl_lapack mkl_em64t guide)
find_all_libraries(LAPACK_LIBRARIES MKL_LIBS_REQUIRED "" ${MKL_PATH})
endif()
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas[mkl]")
set_config_option(HAVE_LAPACK "Lapack[mkl]")
else()
# on Linux also try to find ATLAS without a Fortran compiler, because
# cmake ships with a buggy FindBLAS e.g. on Ubuntu Lucid Lynx
set(ATLAS_LIBS_REQUIRED lapack f77blas cblas atlas)
find_all_libraries(LAPACK_LIBRARIES ATLAS_LIBS_REQUIRED "" "")
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas[atlas]")
set_config_option(HAVE_LAPACK "Lapack[atlas]")
else()
# try with generic names
set(GENERIC_LIBS_REQUIRED lapack blas pthread)
find_all_libraries(LAPACK_LIBRARIES GENERIC_LIBS_REQUIRED "" "")
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas")
set_config_option(HAVE_LAPACK "Lapack")
find_library(GFORTRAN_LIB gfortran)
if(GFORTRAN_LIB)
list(APPEND LAPACK_LIBRARIES ${GFORTRAN_LIB})
endif()
endif()
endif()
endif()
elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
# on SunOS we know blas and lapack are available in sunperf
set(LAPACK_LIBRARIES -library=sunperf)
set_config_option(HAVE_BLAS "Blas[sunperf]")
set_config_option(HAVE_LAPACK "Lapack[sunperf]")
elseif(APPLE)
# on Mac we also know that blas and lapack are available
set(LAPACK_LIBRARIES "-llapack -lblas")
set_config_option(HAVE_BLAS "Blas[veclib]")
set_config_option(HAVE_LAPACK "Lapack[veclib]")
endif()
if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
# if we haven't found blas and lapack check for OpenBlas
set(OPENBLAS_LIBS_REQUIRED openblas)
find_all_libraries(LAPACK_LIBRARIES OPENBLAS_LIBS_REQUIRED "" "")
if(LAPACK_LIBRARIES)
set_config_option(HAVE_BLAS "Blas[openblas]")
set_config_option(HAVE_LAPACK "Lapack[openblas]")
find_library(GFORTRAN_LIB gfortran)
if(GFORTRAN_LIB)
list(APPEND LAPACK_LIBRARIES ${GFORTRAN_LIB})
endif()
endif()
endif()
if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
# if we still haven't found blas and lapack, use the standard cmake tests,
# which require a working Fortran compiler
enable_language(Fortran)
find_package(BLAS)
if(BLAS_FOUND)
set_config_option(HAVE_BLAS "Blas")
find_package(LAPACK)
if(LAPACK_FOUND)
set_config_option(HAVE_LAPACK "Lapack")
else()
set(LAPACK_LIBRARIES ${BLAS_LIBRARIES})
endif()
if(CMAKE_Fortran_COMPILER_ID MATCHES "GNU")
if(CMAKE_Fortran_COMPILER MATCHES "gfortran")
list(APPEND LAPACK_LIBRARIES gfortran)
elseif(CMAKE_Fortran_COMPILER MATCHES "f95")
list(APPEND LAPACK_LIBRARIES gfortran)
elseif(CMAKE_Fortran_COMPILER MATCHES "g77")
list(APPEND LAPACK_LIBRARIES g2c)
endif()
endif()
endif()
endif()
if(NOT HAVE_BLAS OR NOT HAVE_LAPACK)
message(WARNING "Could not find Blas or Lapack: most meshing algorithms "
"will not be functional")
endif()
endif()
endif()
if(ENABLE_TCMALLOC)
find_library(TCMALLOC tcmalloc)
if(TCMALLOC)
set_config_option(HAVE_TCMALLOC "TCMalloc")
list(APPEND EXTERNAL_LIBRARIES ${TCMALLOC})
endif()
endif()
add_subdirectory(Common)
add_subdirectory(Numeric)
add_subdirectory(Geo)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Mesh AND ENABLE_MESH)
add_subdirectory(Mesh)
set_config_option(HAVE_MESH "Mesh")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Solver AND ENABLE_SOLVER)
add_subdirectory(Solver)
set_config_option(HAVE_SOLVER "Solver")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Post AND ENABLE_POST)
add_subdirectory(Post)
set_config_option(HAVE_POST "Post")
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Plugin AND ENABLE_PLUGINS)
add_subdirectory(Plugin)
set_config_option(HAVE_PLUGINS "Plugins")
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Parser AND ENABLE_PARSER)
add_subdirectory(Parser)
set_config_option(HAVE_PARSER "Parser")
endif()
if(ENABLE_VISUDEV)
set_config_option(HAVE_VISUDEV "VisuDev")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Fltk AND ENABLE_FLTK)
# first, try to use fltk-config for fltk >= 1.3 (FindFLTK is buggy on Unix,
# where e.g. xft and xinerama options are not dealt with)
find_program(FLTK_CONFIG_SCRIPT fltk-config)
if(FLTK_CONFIG_SCRIPT)
execute_process(COMMAND ${FLTK_CONFIG_SCRIPT} --api-version
OUTPUT_VARIABLE FLTK_VERSION)
string(STRIP ${FLTK_VERSION} FLTK_VERSION)
if(FLTK_VERSION GREATER 1.1)
add_subdirectory(Fltk)
set_config_option(HAVE_FLTK "Fltk")
message(STATUS "Using fltk-config script for Fltk " ${FLTK_VERSION})
execute_process(COMMAND ${FLTK_CONFIG_SCRIPT} --use-gl --use-images --includedir
OUTPUT_VARIABLE FLTK_INCLUDE_DIR)
string(STRIP ${FLTK_INCLUDE_DIR} FLTK_INCLUDE_DIR)
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR})
# On linux (at least OpenSuSE) the following directories are
# not existing (everything is in /usr/include). To avoid warnings
# check existance of these directories before adding them
if(EXISTS ${FLTK_INCLUDE_DIR}/FL/images)
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR}/FL/images)
endif()
if(EXISTS ${FLTK_INCLUDE_DIR}/jpeg)
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR}/jpeg)
endif()
if(EXISTS ${FLTK_INCLUDE_DIR}/zlib)
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR}/zlib)
endif()
if(EXISTS ${FLTK_INCLUDE_DIR}/png)
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR}/png)
endif()
execute_process(COMMAND ${FLTK_CONFIG_SCRIPT} --use-gl --use-images --ldflags
OUTPUT_VARIABLE FLTK_LIBRARIES)
string(STRIP ${FLTK_LIBRARIES} FLTK_LIBRARIES)
string(REGEX MATCH "fltk[_ ]jpeg" FLTK_JPEG ${FLTK_LIBRARIES})
string(REGEX MATCH "fltk[_ ]z" FLTK_Z ${FLTK_LIBRARIES})
string(REGEX MATCH "fltk[_ ]png" FLTK_PNG ${FLTK_LIBRARIES})
endif()
endif()
# then try the built-in FindFLTK module
if(NOT HAVE_FLTK)
set(FLTK_SKIP_FORMS TRUE)
set(FLTK_SKIP_FLUID TRUE)
find_package(FLTK)
if(FLTK_FOUND)
add_subdirectory(Fltk)
set_config_option(HAVE_FLTK "Fltk")
list(APPEND EXTERNAL_INCLUDES ${FLTK_INCLUDE_DIR})
# find fltk jpeg
find_library(FLTK_JPEG NAMES fltk_jpeg fltkjpeg)
if(FLTK_JPEG)
list(APPEND EXTERNAL_LIBRARIES ${FLTK_JPEG})
foreach(DIR ${FLTK_INCLUDE_DIR})
list(APPEND EXTERNAL_INCLUDES ${DIR}/FL/images ${DIR}/jpeg)
endforeach()
endif()
# find fltk zlib
find_library(FLTK_Z NAMES fltk_z fltkz)
if(FLTK_Z)
list(APPEND EXTERNAL_LIBRARIES ${FLTK_Z})
foreach(DIR ${FLTK_INCLUDE_DIR})
list(APPEND EXTERNAL_INCLUDES ${DIR}/FL/images ${DIR}/zlib)
endforeach()
endif()
# find fltk png
find_library(FLTK_PNG NAMES fltk_png fltkpng)
if(FLTK_PNG)
list(APPEND EXTERNAL_LIBRARIES ${FLTK_PNG})
foreach(DIR ${FLTK_INCLUDE_DIR})
list(APPEND EXTERNAL_INCLUDES ${DIR}/FL/images ${DIR}/png)
endforeach()
endif()
endif()
endif()
# workaround for Fedora/Suse messing up fltk-config (see issue #417)
if(HAVE_FLTK AND ${CMAKE_SYSTEM_NAME} MATCHES "Linux")
string(REGEX MATCH "X11" FLTK_X11 ${FLTK_LIBRARIES})
if(NOT FLTK_X11)
find_package(X11)
if(X11_FOUND)
list(APPEND EXTERNAL_INCLUDES ${X11_INCLUDE_DIR})
list(APPEND EXTERNAL_LIBRARIES ${X11_LIBRARIES})
endif()
endif()
endif()
endif()
if(ENABLE_NATIVE_FILE_CHOOSER)
set_config_option(HAVE_NATIVE_FILE_CHOOSER "NativeFileChooser")
endif()
if(ENABLE_ONELAB)
set_config_option(HAVE_ONELAB "ONELAB")
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/onelab)
if(ENABLE_ONELAB_METAMODEL)
add_subdirectory(contrib/onelab)
include_directories(contrib/onelab)
set_config_option(HAVE_ONELAB_METAMODEL "ONELABMetamodel")
endif()
file(COPY ${ONELAB_PY} DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
endif()
endif()
if(ENABLE_BUILD_IOS)
find_file(CMAKE_TOOLCHAIN_FILE "ios.cmake")
if(NOT CMAKE_TOOLCHAIN_FILE)
message(FATAL_ERROR "Cannot compile Gmsh for iOS without a toolchain")
endif()
add_definitions(-DBUILD_IOS)
endif()
if(HAVE_FLTK OR ENABLE_GRAPHICS)
if(NOT HAVE_MESH OR NOT HAVE_POST OR NOT HAVE_PLUGINS OR NOT HAVE_ONELAB)
message(SEND_ERROR "Cannot compile GUI without Mesh, Post, Plugin and ONELAB")
endif()
if(FLTK_JPEG)
set_config_option(HAVE_LIBJPEG "Jpeg[fltk]")
else()
find_package(JPEG)
if(JPEG_FOUND)
set_config_option(HAVE_LIBJPEG "Jpeg")
list(APPEND EXTERNAL_LIBRARIES ${JPEG_LIBRARIES})
list(APPEND EXTERNAL_INCLUDES ${JPEG_INCLUDE_DIR})
endif()
endif()
if(FLTK_Z)
set_config_option(HAVE_LIBZ "Zlib[fltk]")
else()
find_package(ZLIB)
if(ZLIB_FOUND)
set_config_option(HAVE_LIBZ "Zlib")
list(APPEND EXTERNAL_LIBRARIES ${ZLIB_LIBRARIES})
list(APPEND EXTERNAL_INCLUDES ${ZLIB_INCLUDE_DIR})
endif()
endif()
if(HAVE_LIBZ)
if(FLTK_PNG)
set_config_option(HAVE_LIBPNG "Png[fltk]")
else()
find_package(PNG)
if(PNG_FOUND)
set_config_option(HAVE_LIBPNG "Png")
list(APPEND EXTERNAL_LIBRARIES ${PNG_LIBRARIES})
list(APPEND EXTERNAL_INCLUDES ${PNG_INCLUDE_DIR})
endif()
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/mpeg_encode AND
ENABLE_MPEG_ENCODE)
add_subdirectory(contrib/mpeg_encode)
include_directories(contrib/mpeg_encode/headers)
set_config_option(HAVE_MPEG_ENCODE "Mpeg")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/3M AND ENABLE_3M)
add_subdirectory(contrib/3M)
include_directories(contrib/3M)
set_config_option(HAVE_3M "3M")
endif()
if(ENABLE_OSMESA)
find_library(OSMESA_LIB OSMesa)
if(OSMESA_LIB)
set_config_option(HAVE_OSMESA "OSMesa")
list(APPEND EXTERNAL_LIBRARIES ${OSMESA_LIB})
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Graphics)
find_package(OpenGL REQUIRED)
if(OPENGL_GLU_FOUND AND OPENGL_FOUND)
add_subdirectory(Graphics)
set_config_option(HAVE_OPENGL "OpenGL")
else()
message(SEND_ERROR "Could not find GLU: disabling OpenGL support")
endif()
endif()
endif()
if(ENABLE_ANN)
find_library(ANN_LIB ann PATH_SUFFIXES lib)
find_path(ANN_INC "ANN.h" PATH_SUFFIXES src include ANN)
if(ENABLE_SYSTEM_CONTRIB AND ANN_LIB AND ANN_INC)
message(STATUS "Using system version of ANN")
list(APPEND EXTERNAL_LIBRARIES ${ANN_LIB})
list(APPEND EXTERNAL_INCLUDES ${ANN_INC})
set_config_option(HAVE_ANN "Ann[system]")
elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/ANN)
add_subdirectory(contrib/ANN)
include_directories(contrib/ANN/include)
set_config_option(HAVE_ANN "Ann")
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/lbfgs AND ENABLE_BFGS)
add_subdirectory(contrib/lbfgs)
include_directories(contrib/lbfgs)
set_config_option(HAVE_BFGS "Bfgs")
endif()
if(HAVE_FLTK AND ENABLE_CAIRO)
find_library(CAIRO_LIB cairo)
find_path(CAIRO_INC "cairo/cairo.h" PATH_SUFFIXES include)
if(CAIRO_INC AND CAIRO_LIB)
set_config_option(HAVE_CAIRO "Cairo")
list(APPEND EXTERNAL_LIBRARIES ${CAIRO_LIB})
list(APPEND EXTERNAL_INCLUDES ${CAIRO_INC})
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/DiscreteIntegration AND
ENABLE_DINTEGRATION)
add_subdirectory(contrib/DiscreteIntegration)
include_directories(contrib/DiscreteIntegration)
set_config_option(HAVE_DINTEGRATION "DIntegration")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/HighOrderMeshOptimizer AND
EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/MeshOptimizer AND
EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/MeshQualityOptimizer AND
ENABLE_OPTHOM AND HAVE_MESH)
add_subdirectory(contrib/HighOrderMeshOptimizer)
include_directories(contrib/HighOrderMeshOptimizer)
add_subdirectory(contrib/MeshOptimizer)
include_directories(contrib/MeshOptimizer)
include_directories(${CMAKE_CURRENT_BINARY_DIR}/contrib/MeshOptimizer)
add_subdirectory(contrib/MeshQualityOptimizer)
include_directories(contrib/MeshQualityOptimizer)
set_config_option(HAVE_OPTHOM "OptHom")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/kbipack AND ENABLE_KBIPACK)
set_config_option(HAVE_KBIPACK "Kbipack")
add_subdirectory(contrib/kbipack)
include_directories(contrib/kbipack)
if(ENABLE_GMP)
find_library(GMP_LIB gmp)
find_path(GMP_INC "gmp.h" PATH_SUFFIXES src include)
endif()
if(GMP_LIB AND GMP_INC)
set_config_option(HAVE_GMP "GMP")
list(APPEND EXTERNAL_LIBRARIES ${GMP_LIB})
list(APPEND EXTERNAL_INCLUDES ${GMP_INC})
else()
message(STATUS "GMP not found: Kbipack uses long int")
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/MathEx AND ENABLE_MATHEX)
add_subdirectory(contrib/MathEx)
include_directories(contrib/MathEx)
set_config_option(HAVE_MATHEX "MathEx")
endif()
if(ENABLE_MPI)
find_package(MPI)
if(MPI_FOUND)
set_config_option(HAVE_MPI "MPI")
list(APPEND EXTERNAL_INCLUDES ${MPI_CXX_INCLUDE_PATH})
list(APPEND EXTERNAL_LIBRARIES ${MPI_CXX_LIBRARIES})
set(CMAKE_C_COMPILER ${MPI_C_COMPILER})
set(CMAKE_CXX_COMPILER ${MPI_CXX_COMPILER})
set(CMAKE_Fortran_COMPILER ${MPI_Fortran_COMPILER})
endif()
endif()
if(ENABLE_POPPLER)
find_library(POPPLER_LIB poppler)
find_library(POPPLER_CPP_LIB poppler-cpp)
find_path(POPPLER_INC "poppler/cpp/poppler-document.h" PATH_SUFFIXES src include)
if(POPPLER_LIB AND POPPLER_INC)
set_config_option(HAVE_POPPLER "Poppler")
list(APPEND EXTERNAL_LIBRARIES ${POPPLER_LIB})
list(APPEND EXTERNAL_LIBRARIES ${POPPLER_CPP_LIB})
list(APPEND EXTERNAL_INCLUDES ${POPPLER_INC})
endif()
endif()
if(HAVE_MESH OR HAVE_SOLVER)
if(ENABLE_METIS)
find_library(METIS_LIB metis PATH_SUFFIXES lib)
find_path(METIS_INC "metis.h" PATH_SUFFIXES include)
if(ENABLE_SYSTEM_CONTRIB AND METIS_LIB AND METIS_INC)
message(STATUS "Using system version of METIS")
list(APPEND EXTERNAL_LIBRARIES ${METIS_LIB})
list(APPEND EXTERNAL_INCLUDES ${METIS_INC})
set_config_option(HAVE_METIS "Metis[system]")
elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/metis)
add_definitions(-DUSE_GKREGEX)
add_subdirectory(contrib/metis)
include_directories(contrib/metis/include contrib/metis/libmetis
contrib/metis/GKlib)
set_config_option(HAVE_METIS "Metis")
endif()
endif()
endif()
if(HAVE_MESH)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/Mesh/tetgenBR.cxx)
set_config_option(HAVE_TETGENBR "TetGen/BR")
endif()
if(ENABLE_VOROPP)
find_library(VOROPP_LIB voro++ PATH_SUFFIXES lib)
find_path(VOROPP_INC "voro++.hh" PATH_SUFFIXES include)
if(ENABLE_SYSTEM_CONTRIB AND VOROPP_LIB AND VOROPP_INC)
message(STATUS "Using system version of voro++")
list(APPEND EXTERNAL_LIBRARIES ${VOROPP_LIB})
list(APPEND EXTERNAL_INCLUDES ${VOROPP_INC})
set_config_option(HAVE_VOROPP "Voro++[system]")
elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/voro++)
add_subdirectory(contrib/voro++)
include_directories(contrib/voro++/src)
set_config_option(HAVE_VOROPP "Voro++")
endif()
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/blossom AND ENABLE_BLOSSOM)
add_subdirectory(contrib/blossom)
include_directories(contrib/blossom/MATCH contrib/blossom/concorde97
contrib/blossom/concorde97/INCLUDE)
set_config_option(HAVE_BLOSSOM "Blossom")
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/Netgen AND ENABLE_NETGEN)
add_subdirectory(contrib/Netgen)
include_directories(contrib/Netgen contrib/Netgen/libsrc/include
contrib/Netgen/nglib)
set_config_option(HAVE_NETGEN "Netgen")
add_definitions(-DNO_PARALLEL_THREADS -DNOTCL)
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/bamg AND ENABLE_BAMG)
add_subdirectory(contrib/bamg)
include_directories(contrib/bamg contrib/bamg/bamglib)
set_config_option(HAVE_BAMG "Bamg")
endif()
if(ENABLE_MMG3D)
find_library(MMG3D_LIB mmg3dlib4.0 PATH_SUFFIXES lib)
find_path(MMG3D_INC "libmmg3d.h" PATH_SUFFIXES src include)
if(ENABLE_SYSTEM_CONTRIB AND MMG3D_LIB AND MMG3D_INC)
message(STATUS "Using system version of MMG3D")
list(APPEND EXTERNAL_LIBRARIES ${MMG3D_LIB})
list(APPEND EXTERNAL_INCLUDES ${MMG3D_INC})
set_config_option(HAVE_MMG3D "Mmg3d[system]")
elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/mmg3d)
add_subdirectory(contrib/mmg3d)
include_directories(contrib/mmg3d/build/sources)
set_config_option(HAVE_MMG3D "Mmg3d")
endif()
endif()
endif()
if(ENABLE_MED OR ENABLE_CGNS)
find_package(HDF5)
if(HDF5_FOUND)
set(HDF5_LIB "${HDF5_C_LIBRARIES}")
list(APPEND EXTERNAL_INCLUDES ${HDF5_INCLUDE_DIRS})
if(ENABLE_MED)
find_library(MED_LIB med)
if(MED_LIB)
set_config_option(HAVE_MED "Med")
list(APPEND EXTERNAL_LIBRARIES ${MED_LIB})
endif()
endif()
if(ENABLE_CGNS)
find_library(CGNS_LIB cgns PATHS ENV CGNS_ROOT PATH_SUFFIXES lib)
find_path(CGNS_INC "cgnslib.h" PATHS ENV CGNS_ROOT PATH_SUFFIXES include)
if(CGNS_LIB AND CGNS_INC)
set_config_option(HAVE_LIBCGNS "Cgns")
list(APPEND EXTERNAL_LIBRARIES ${CGNS_LIB})
list(APPEND EXTERNAL_INCLUDES ${CGNS_INC})
endif()
endif()
if(MED_LIB OR CGNS_LIB)
list(APPEND EXTERNAL_LIBRARIES ${HDF5_LIB})
find_library(SZ_LIB NAMES szlib sz)
if(SZ_LIB)
list(APPEND EXTERNAL_LIBRARIES ${SZ_LIB})
endif()
if(NOT HAVE_LIBZ) # necessary for non-GUI builds
find_package(ZLIB)
if(ZLIB_FOUND)
set_config_option(HAVE_LIBZ "Zlib")
list(APPEND EXTERNAL_LIBRARIES ${ZLIB_LIBRARIES})
endif()
endif()
endif()
else()
message(STATUS "HDF5 not found")
endif()
endif()
if(HAVE_SOLVER)
if(ENABLE_GMM)
find_path(GMM_INC "gmm.h" PATH_SUFFIXES src include include/gmm)
if(ENABLE_SYSTEM_CONTRIB AND GMM_INC)
message(STATUS "Using system version of GMM")
list(APPEND EXTERNAL_INCLUDES ${GMM_INC})
set_config_option(HAVE_GMM "Gmm[system]")
elseif(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/contrib/gmm)
include_directories(contrib/gmm)
set_config_option(HAVE_GMM "Gmm")
endif()
endif()
if(ENABLE_PETSC)
if(PETSC_DIR)
set(ENV_PETSC_DIR ${PETSC_DIR})
else()
set(ENV_PETSC_DIR $ENV{PETSC_DIR})
endif()
if(PETSC_ARCH)
set(ENV_PETSC_ARCH ${PETSC_ARCH})
else()
set(ENV_PETSC_ARCH $ENV{PETSC_ARCH})
endif()
set(PETSC_POSSIBLE_CONF_FILES
${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/conf/petscvariables
${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/lib/petsc-conf/petscvariables
${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/lib/petsc/conf/petscvariables)
foreach(FILE ${PETSC_POSSIBLE_CONF_FILES})
if(EXISTS ${FILE})
# old-style PETSc installations (using PETSC_DIR and PETSC_ARCH)
message(STATUS "Using PETSc dir: ${ENV_PETSC_DIR}")
message(STATUS "Using PETSc arch: ${ENV_PETSC_ARCH}")
# find includes by parsing the petscvariables file
file(STRINGS ${FILE} PETSC_VARIABLES NEWLINE_CONSUME)
endif()
endforeach()
if(PETSC_VARIABLES)
# try to find PETSC_CC_INCLUDES for PETSc >= 3.4
string(REGEX MATCH "PETSC_CC_INCLUDES = [^\n\r]*" PETSC_PACKAGES_INCLUDES
${PETSC_VARIABLES})
if(PETSC_PACKAGES_INCLUDES)
string(REPLACE "PETSC_CC_INCLUDES = " "" PETSC_PACKAGES_INCLUDES
${PETSC_PACKAGES_INCLUDES})
else()
# try to find PETSC_PACKAGES_INCLUDES in older versions
list(APPEND EXTERNAL_INCLUDES ${ENV_PETSC_DIR}/include)
list(APPEND EXTERNAL_INCLUDES ${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/include)
string(REGEX MATCH "PACKAGES_INCLUDES = [^\n\r]*" PETSC_PACKAGES_INCLUDES
${PETSC_VARIABLES})
string(REPLACE "PACKAGES_INCLUDES = " "" PETSC_PACKAGES_INCLUDES
${PETSC_PACKAGES_INCLUDES})
endif()
if(PETSC_PACKAGES_INCLUDES)
if(PETSC_PACKAGES_INCLUDES)
string(REPLACE "-I" "" PETSC_PACKAGES_INCLUDES ${PETSC_PACKAGES_INCLUDES})
string(REPLACE " " ";" PETSC_PACKAGES_INCLUDES ${PETSC_PACKAGES_INCLUDES})
foreach(VAR ${PETSC_PACKAGES_INCLUDES})
# seem to include unexisting directories (/usr/include/lib64)
# check to avoid warnings
if(EXISTS ${VAR})
list(APPEND EXTERNAL_INCLUDES ${VAR})
endif()
endforeach()
endif()
endif()
# find libraries (<= 3.0)
set(PETSC_LIBS_REQUIRED petscksp petscdm petscmat petscvec petsc)
find_all_libraries(PETSC_LIBS PETSC_LIBS_REQUIRED
${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/lib "")
# petsc 3.1 creates only one library (libpetsc)
if(NOT PETSC_LIBS)
find_library(PETSC_LIBS petsc PATHS ${ENV_PETSC_DIR}/${ENV_PETSC_ARCH}/lib
NO_DEFAULT_PATH)
endif()