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simplify cmake-setup of netgen and occt
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using default cmake-configs to access cmake-variables
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@looooo @wwmayer
looooo authored and wwmayer committed May 28, 2018
1 parent 6476cf4 commit 432daa9
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332 changes: 173 additions & 159 deletions cMake/FindNETGEN.cmake
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Expand Up @@ -12,165 +12,179 @@
#
# See also: http://git.salome-platform.org/gitweb/?p=NETGENPLUGIN_SRC.git;a=summary

SET(NETGEN_DEFINITIONS -DNO_PARALLEL_THREADS -DOCCGEOMETRY)

IF(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)
# We haven't supported Netgen prior to 5.3.1 on MacOS, and the current
# plan is for the next Netgen version to be 6.1 (currently unreleased).
IF(DEFINED HOMEBREW_PREFIX)
SET(NGLIB_PREFIX ${HOMEBREW_PREFIX})
ELSE(DEFINED HOMEBREW_PREFIX)
SET(NGLIB_PREFIX ${MACPORTS_PREFIX})
ENDIF(DEFINED HOMEBREW_PREFIX)

FIND_PATH(NGLIB_INCLUDE_DIR nglib.h ${NGLIB_PREFIX}/include)

FIND_LIBRARY(NGLIB_LIBNGLIB nglib ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBMESH mesh ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBOCC occ ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBINTERFACE interface ${NGLIB_PREFIX}/lib)
SET(NGLIB_LIBRARIES ${NGLIB_LIBNGLIB} ${NGLIB_LIBMESH}
${NGLIB_LIBOCC} ${NGLIB_LIBINTERFACE})

IF(NOT NETGENDATA)
SET(NETGENDATA ${NGLIB_PREFIX}/include/netgen)
ENDIF(NOT NETGENDATA)

ELSEIF(WIN32)
FIND_PATH(NGLIB_INCLUDE_DIR NAMES nglib.h PATHS ${NETGEN_INCLUDEDIR})
SET(NETGEN_LIBS nglib mesh occ interface)
SET(NGLIB_LIBRARIES "")
FOREACH(it ${NETGEN_LIBS})
FIND_LIBRARY(NGLIB ${it} PATHS ${NETGEN_LIBDIR})
FIND_LIBRARY(NGLIBD ${it}d PATHS ${NETGEN_LIBDIR})
IF(NGLIBD AND NGLIB)
SET(NG_LIB optimized ${NGLIB}
debug ${NGLIBD})
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NG_LIB})
UNSET(NGLIB CACHE)
UNSET(NGLIBD CACHE)
ELSEIF(NGLIB)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB})
UNSET(NGLIB CACHE)
ENDIF()
ENDFOREACH()

IF(NOT NETGENDATA)
SET(NETGENDATA netgen)
ENDIF(NOT NETGENDATA)

ELSE(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)
IF(NETGEN_ROOT)
SET(NETGEN_INCLUDEDIR ${NETGEN_ROOT}/include)
SET(NETGEN_LIBDIR ${NETGEN_ROOT}/lib)
# allow to customize if NETGEN_ROOT is used
IF(NOT NETGENDATA)
SET(NETGENDATA ${NETGEN_ROOT}/libsrc)
ENDIF(NOT NETGENDATA)
ENDIF()

FIND_PATH(NGLIB_INCLUDE_DIR NAMES nglib.h PATHS ${NETGEN_INCLUDEDIR} /usr/include)
FIND_LIBRARY(NGLIB_LIBNGLIB nglib PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
SET(NGLIB_LIBRARIES ${NGLIB_LIBNGLIB})
FIND_LIBRARY(NGLIB_LIBMESH mesh PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBMESH)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBMESH})
ENDIF()
FIND_LIBRARY(NGLIB_LIBOCC occ PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBOCC)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBOCC})
ENDIF()
FIND_LIBRARY(NGLIB_LIBINTERFACE interface PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBINTERFACE)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBINTERFACE})
ENDIF()

IF(NOT NETGENDATA)
SET(NETGENDATA /usr/share/netgen/libsrc)
ENDIF(NOT NETGENDATA)

ENDIF(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)

FIND_PATH(NETGEN_DIR_include NAMES mydefs.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/include)
FIND_PATH(NETGEN_DIR_csg NAMES csg.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/csg)
FIND_PATH(NETGEN_DIR_gen NAMES array.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/general)
FIND_PATH(NETGEN_DIR_geom2d NAMES geom2dmesh.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/geom2d)
FIND_PATH(NETGEN_DIR_gprim NAMES gprim.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/gprim)
FIND_PATH(NETGEN_DIR_la NAMES linalg.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/linalg)
FIND_PATH(NETGEN_DIR_mesh NAMES meshing.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/meshing)
FIND_PATH(NETGEN_DIR_occ NAMES occgeom.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/occ)
FIND_PATH(NETGEN_DIR_stlgeom NAMES stlgeom.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/stlgeom)

IF(NOT NGLIB_INCLUDE_DIR AND NOT NETGEN_DIR_include)
MESSAGE(STATUS "Cannot find NETGEN header files.")
ELSE()
file(STRINGS ${NETGEN_DIR_include}/mydefs.hpp NETGEN_VERSION
REGEX "#define PACKAGE_VERSION.*"
)
if (NETGEN_VERSION)
string(REGEX MATCHALL "[0-9]+" NETGEN_VERSION ${NETGEN_VERSION})
list(LENGTH NETGEN_VERSION NETGEN_VERSION_COUNT)
list(GET NETGEN_VERSION 0 NETGEN_VERSION_MAJOR)
if(NETGEN_VERSION_COUNT GREATER 1)
list(GET NETGEN_VERSION 1 NETGEN_VERSION_MINOR)
else()
set(NETGEN_VERSION_MINOR 0)
endif()
else() # workaround for netgen 6.2 and newer. currently there is no easy way to detect the version
# better use "find_package(netgen CONFIG REQUIRED)"
set(NETGEN_VERSION_MAJOR 6)
set(NETGEN_VERSION_MINOR 2)
endif()
ENDIF()

IF(NOT NGLIB_LIBRARIES)
MESSAGE(STATUS "Cannot find NETGEN library.")
ENDIF()

IF(NGLIB_INCLUDE_DIR AND NGLIB_LIBRARIES)
SET(NETGEN_FOUND TRUE)
SET(NETGEN_INCLUDE_DIRS ${NETGEN_DIR_include} ${NGLIB_INCLUDE_DIR}
${NETGEN_DIR_csg} ${NETGEN_DIR_gen} ${NETGEN_DIR_geom2d}
${NETGEN_DIR_gprim} ${NETGEN_DIR_la} ${NETGEN_DIR_mesh}
${NETGEN_DIR_occ} ${NETGEN_DIR_stlgeom})
LIST(REMOVE_DUPLICATES NETGEN_INCLUDE_DIRS)
MATH(EXPR NETGEN_VERSION "(${NETGEN_VERSION_MAJOR} << 16) + (${NETGEN_VERSION_MINOR} << 8)")
MATH(EXPR NETGEN_VERSION_62 "(6 << 16) + (2 << 8)")
IF(NOT NETGEN_VERSION LESS NETGEN_VERSION_62) # Version >= 6.2
# NETGEN v6.2 or newer requires c++1y/c++14
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-std=c++14" HAS_CPP14_FLAG)
check_cxx_compiler_flag("-std=c++1y" HAS_CPP1Y_FLAG)
if(HAS_CPP14_FLAG)
set(NETGEN_CXX_FLAGS "-std=c++14")
elseif(HAS_CPP1Y_FLAG)
set(NETGEN_CXX_FLAGS "-std=c++1y")
else()
# message(FATAL_ERROR "Unsupported compiler -- C++1y support or newer required!")
message(STATUS "can not detect c++1y support, but will try to build with c++1y")
set(NETGEN_CXX_FLAGS "-std=c++1y")

find_package(Netgen CONFIG)
if(Netgen_FOUND)
set(NGLIB_INCLUDE_DIR ${NETGEN_INCLUDE_DIR})
set(NGLIB_LIBRARIES nglib)
set(NETGEN_DEFINITIONS -DNO_PARALLEL_THREADS -DOCCGEOMETRY)
# for external smesh only the following two variables are needed:
set(NETGEN_FOUND True)
set(NETGEN_INCLUDE_DIRS ${NETGEN_INCLUDE_DIR})

else(Netgen_FOUND)


SET(NETGEN_DEFINITIONS -DNO_PARALLEL_THREADS -DOCCGEOMETRY)

IF(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)
# We haven't supported Netgen prior to 5.3.1 on MacOS, and the current
# plan is for the next Netgen version to be 6.1 (currently unreleased).
IF(DEFINED HOMEBREW_PREFIX)
SET(NGLIB_PREFIX ${HOMEBREW_PREFIX})
ELSE(DEFINED HOMEBREW_PREFIX)
SET(NGLIB_PREFIX ${MACPORTS_PREFIX})
ENDIF(DEFINED HOMEBREW_PREFIX)

FIND_PATH(NGLIB_INCLUDE_DIR nglib.h ${NGLIB_PREFIX}/include)

FIND_LIBRARY(NGLIB_LIBNGLIB nglib ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBMESH mesh ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBOCC occ ${NGLIB_PREFIX}/lib)
FIND_LIBRARY(NGLIB_LIBINTERFACE interface ${NGLIB_PREFIX}/lib)
SET(NGLIB_LIBRARIES ${NGLIB_LIBNGLIB} ${NGLIB_LIBMESH}
${NGLIB_LIBOCC} ${NGLIB_LIBINTERFACE})

IF(NOT NETGENDATA)
SET(NETGENDATA ${NGLIB_PREFIX}/include/netgen)
ENDIF(NOT NETGENDATA)

ELSEIF(WIN32)
FIND_PATH(NGLIB_INCLUDE_DIR NAMES nglib.h PATHS ${NETGEN_INCLUDEDIR})
SET(NETGEN_LIBS nglib mesh occ interface)
SET(NGLIB_LIBRARIES "")
FOREACH(it ${NETGEN_LIBS})
FIND_LIBRARY(NGLIB ${it} PATHS ${NETGEN_LIBDIR})
FIND_LIBRARY(NGLIBD ${it}d PATHS ${NETGEN_LIBDIR})
IF(NGLIBD AND NGLIB)
SET(NG_LIB optimized ${NGLIB}
debug ${NGLIBD})
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NG_LIB})
UNSET(NGLIB CACHE)
UNSET(NGLIBD CACHE)
ELSEIF(NGLIB)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB})
UNSET(NGLIB CACHE)
ENDIF()
ENDFOREACH()

IF(NOT NETGENDATA)
SET(NETGENDATA netgen)
ENDIF(NOT NETGENDATA)

ELSE(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)
IF(NETGEN_ROOT)
SET(NETGEN_INCLUDEDIR ${NETGEN_ROOT}/include)
SET(NETGEN_LIBDIR ${NETGEN_ROOT}/lib)
# allow to customize if NETGEN_ROOT is used
IF(NOT NETGENDATA)
SET(NETGENDATA ${NETGEN_ROOT}/libsrc)
ENDIF(NOT NETGENDATA)
ENDIF()

FIND_PATH(NGLIB_INCLUDE_DIR NAMES nglib.h PATHS ${NETGEN_INCLUDEDIR} /usr/include)
FIND_LIBRARY(NGLIB_LIBNGLIB nglib PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
SET(NGLIB_LIBRARIES ${NGLIB_LIBNGLIB})
FIND_LIBRARY(NGLIB_LIBMESH mesh PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBMESH)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBMESH})
ENDIF()
FIND_LIBRARY(NGLIB_LIBOCC occ PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBOCC)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBOCC})
ENDIF()
FIND_LIBRARY(NGLIB_LIBINTERFACE interface PATHS ${NETGEN_LIBDIR} /usr/lib /usr/local/lib)
IF(NGLIB_LIBINTERFACE)
SET(NGLIB_LIBRARIES ${NGLIB_LIBRARIES} ${NGLIB_LIBINTERFACE})
ENDIF()

IF(NOT NETGENDATA)
SET(NETGENDATA /usr/share/netgen/libsrc)
ENDIF(NOT NETGENDATA)

ENDIF(DEFINED MACPORTS_PREFIX OR DEFINED HOMEBREW_PREFIX)

FIND_PATH(NETGEN_DIR_include NAMES mydefs.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/include)
FIND_PATH(NETGEN_DIR_csg NAMES csg.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/csg)
FIND_PATH(NETGEN_DIR_gen NAMES array.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/general)
FIND_PATH(NETGEN_DIR_geom2d NAMES geom2dmesh.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/geom2d)
FIND_PATH(NETGEN_DIR_gprim NAMES gprim.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/gprim)
FIND_PATH(NETGEN_DIR_la NAMES linalg.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/linalg)
FIND_PATH(NETGEN_DIR_mesh NAMES meshing.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/meshing)
FIND_PATH(NETGEN_DIR_occ NAMES occgeom.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/occ)
FIND_PATH(NETGEN_DIR_stlgeom NAMES stlgeom.hpp PATHS ${NETGEN_INCLUDEDIR} ${NGLIB_INCLUDE_DIR} ${NETGENDATA}/stlgeom)

IF(NOT NGLIB_INCLUDE_DIR AND NOT NETGEN_DIR_include)
MESSAGE(STATUS "Cannot find NETGEN header files.")
ELSE()
file(STRINGS ${NETGEN_DIR_include}/mydefs.hpp NETGEN_VERSION
REGEX "#define PACKAGE_VERSION.*"
)
if (NETGEN_VERSION)
string(REGEX MATCHALL "[0-9]+" NETGEN_VERSION ${NETGEN_VERSION})
list(LENGTH NETGEN_VERSION NETGEN_VERSION_COUNT)
list(GET NETGEN_VERSION 0 NETGEN_VERSION_MAJOR)
if(NETGEN_VERSION_COUNT GREATER 1)
list(GET NETGEN_VERSION 1 NETGEN_VERSION_MINOR)
else()
set(NETGEN_VERSION_MINOR 0)
endif()
else() # workaround for netgen 6.2 and newer. currently there is no easy way to detect the version
# better use "find_package(netgen CONFIG REQUIRED)"
set(NETGEN_VERSION_MAJOR 6)
set(NETGEN_VERSION_MINOR 2)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Clang sometimes fails to include <cstdio>
include(CMakePushCheckState)
cmake_push_check_state(RESET)
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${NETGEN_CXX_FLAGS}")
check_cxx_source_compiles("#include <cstdio>\nint main(){}" CSTDIO_INCLUDE_TRY1)
if(NOT CSTDIO_INCLUDE_TRY1)
# Ugly hack to make <stdio.h> building gets function
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -U__cplusplus -D__cplusplus=201103L")
check_cxx_source_compiles("#include <cstdio>\nint main(){}" CSTDIO_INCLUDE_TRY2)
if(NOT CSTDIO_INCLUDE_TRY2)
message(FATAL_ERROR "Cannot #include <cstdio>.")
else()
set(NETGEN_CXX_FLAGS "${NETGEN_CXX_FLAGS} -U__cplusplus -D__cplusplus=201103L")
ENDIF()

IF(NOT NGLIB_LIBRARIES)
MESSAGE(STATUS "Cannot find NETGEN library.")
ENDIF()

IF(NGLIB_INCLUDE_DIR AND NGLIB_LIBRARIES)
SET(NETGEN_FOUND TRUE)
SET(NETGEN_INCLUDE_DIRS ${NETGEN_DIR_include} ${NGLIB_INCLUDE_DIR}
${NETGEN_DIR_csg} ${NETGEN_DIR_gen} ${NETGEN_DIR_geom2d}
${NETGEN_DIR_gprim} ${NETGEN_DIR_la} ${NETGEN_DIR_mesh}
${NETGEN_DIR_occ} ${NETGEN_DIR_stlgeom})
LIST(REMOVE_DUPLICATES NETGEN_INCLUDE_DIRS)
MATH(EXPR NETGEN_VERSION "(${NETGEN_VERSION_MAJOR} << 16) + (${NETGEN_VERSION_MINOR} << 8)")
MATH(EXPR NETGEN_VERSION_62 "(6 << 16) + (2 << 8)")
IF(NOT NETGEN_VERSION LESS NETGEN_VERSION_62) # Version >= 6.2
# NETGEN v6.2 or newer requires c++1y/c++14
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-std=c++14" HAS_CPP14_FLAG)
check_cxx_compiler_flag("-std=c++1y" HAS_CPP1Y_FLAG)
if(HAS_CPP14_FLAG)
set(NETGEN_CXX_FLAGS "-std=c++14")
elseif(HAS_CPP1Y_FLAG)
set(NETGEN_CXX_FLAGS "-std=c++1y")
else()
# message(FATAL_ERROR "Unsupported compiler -- C++1y support or newer required!")
message(STATUS "can not detect c++1y support, but will try to build with c++1y")
set(NETGEN_CXX_FLAGS "-std=c++1y")
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Clang sometimes fails to include <cstdio>
include(CMakePushCheckState)
cmake_push_check_state(RESET)
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${NETGEN_CXX_FLAGS}")
check_cxx_source_compiles("#include <cstdio>\nint main(){}" CSTDIO_INCLUDE_TRY1)
if(NOT CSTDIO_INCLUDE_TRY1)
# Ugly hack to make <stdio.h> building gets function
set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -U__cplusplus -D__cplusplus=201103L")
check_cxx_source_compiles("#include <cstdio>\nint main(){}" CSTDIO_INCLUDE_TRY2)
if(NOT CSTDIO_INCLUDE_TRY2)
message(FATAL_ERROR "Cannot #include <cstdio>.")
else()
set(NETGEN_CXX_FLAGS "${NETGEN_CXX_FLAGS} -U__cplusplus -D__cplusplus=201103L")
endif()
endif()
cmake_pop_check_state()
endif()
cmake_pop_check_state()
endif()
ENDIF()
MESSAGE(STATUS "Found NETGEN version ${NETGEN_VERSION_MAJOR}.${NETGEN_VERSION_MINOR}, calculated: ${NETGEN_VERSION}")
LIST(APPEND NETGEN_DEFINITIONS -DNETGEN_VERSION=${NETGEN_VERSION})
ELSE()
SET(NETGEN_FOUND FALSE)
ENDIF()
ENDIF()
MESSAGE(STATUS "Found NETGEN version ${NETGEN_VERSION_MAJOR}.${NETGEN_VERSION_MINOR}, calculated: ${NETGEN_VERSION}")
LIST(APPEND NETGEN_DEFINITIONS -DNETGEN_VERSION=${NETGEN_VERSION})
ELSE()
SET(NETGEN_FOUND FALSE)
ENDIF()
endif(Netgen_Found)

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