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igl/cmake/libigl.cmake
T
2018-10-15 12:46:03 -04:00

507 lines
17 KiB
CMake

cmake_minimum_required(VERSION 3.1)
# https://github.com/libigl/libigl/issues/751
# http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20160425/351643.html
if(APPLE)
if(NOT CMAKE_LIBTOOL)
find_program(CMAKE_LIBTOOL NAMES libtool)
endif()
if(CMAKE_LIBTOOL)
set(CMAKE_LIBTOOL ${CMAKE_LIBTOOL} CACHE PATH "libtool executable")
message(STATUS "Found libtool - ${CMAKE_LIBTOOL}")
get_property(languages GLOBAL PROPERTY ENABLED_LANGUAGES)
foreach(lang ${languages})
# Added -c
set(CMAKE_${lang}_CREATE_STATIC_LIBRARY
"${CMAKE_LIBTOOL} -c -static -o <TARGET> <LINK_FLAGS> <OBJECTS> ")
endforeach()
endif()
endif()
### Available options ###
option(LIBIGL_USE_STATIC_LIBRARY "Use libigl as static library" OFF)
option(LIBIGL_WITH_CGAL "Use CGAL" OFF)
option(LIBIGL_WITH_COMISO "Use CoMiso" OFF)
option(LIBIGL_WITH_CORK "Use Cork" OFF)
option(LIBIGL_WITH_EMBREE "Use Embree" OFF)
option(LIBIGL_WITH_MATLAB "Use Matlab" OFF)
option(LIBIGL_WITH_MOSEK "Use MOSEK" OFF)
option(LIBIGL_WITH_OPENGL "Use OpenGL" OFF)
option(LIBIGL_WITH_OPENGL_GLFW "Use GLFW" OFF)
option(LIBIGL_WITH_OPENGL_GLFW_IMGUI "Use ImGui" OFF)
option(LIBIGL_WITH_PNG "Use PNG" OFF)
option(LIBIGL_WITH_TETGEN "Use Tetgen" OFF)
option(LIBIGL_WITH_TRIANGLE "Use Triangle" OFF)
option(LIBIGL_WITH_XML "Use XML" OFF)
option(LIBIGL_WITH_PYTHON "Use Python" OFF)
option(LIBIGL_WITHOUT_COPYLEFT "Disable Copyleft libraries" OFF)
################################################################################
### Configuration
set(LIBIGL_ROOT "${CMAKE_CURRENT_LIST_DIR}/..")
set(LIBIGL_SOURCE_DIR "${LIBIGL_ROOT}/include")
set(LIBIGL_EXTERNAL "${LIBIGL_ROOT}/external")
# Dependencies are linked as INTERFACE targets unless libigl is compiled as a static library
if(LIBIGL_USE_STATIC_LIBRARY)
set(IGL_SCOPE PUBLIC)
else()
set(IGL_SCOPE INTERFACE)
endif()
# Download and update 3rdparty libraries
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
include(LibiglDownloadExternal)
################################################################################
### IGL Common
################################################################################
add_library(igl_common INTERFACE)
target_include_directories(igl_common SYSTEM INTERFACE
$<BUILD_INTERFACE:${LIBIGL_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>
)
# Export igl_common as igl::common
set_property(TARGET igl_common PROPERTY EXPORT_NAME igl::common)
if(LIBIGL_USE_STATIC_LIBRARY)
target_compile_definitions(igl_common INTERFACE -DIGL_STATIC_LIBRARY)
endif()
# Transitive C++11 flags
include(CXXFeatures)
target_compile_features(igl_common INTERFACE ${CXX11_FEATURES})
# Other compilation flags
if(MSVC)
# Enable parallel compilation for Visual Studio
target_compile_options(igl_common INTERFACE /MP /bigobj)
if(LIBIGL_WITH_CGAL)
target_compile_options(igl_common INTERFACE "/MD$<$<CONFIG:Debug>:d>")
endif()
endif()
if(BUILD_SHARED_LIBS)
# Generate position independent code
set_target_properties(igl_common PROPERTIES INTERFACE_POSITION_INDEPENDENT_CODE ON)
endif()
if(UNIX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
endif()
# Eigen
if(TARGET Eigen3::Eigen)
# If an imported target already exists, use it
target_link_libraries(igl_common INTERFACE Eigen3::Eigen)
else()
igl_download_eigen()
target_include_directories(igl_common SYSTEM INTERFACE
$<BUILD_INTERFACE:${LIBIGL_EXTERNAL}/eigen>
$<INSTALL_INTERFACE:include>
)
endif()
# C++11 Thread library
find_package(Threads REQUIRED)
target_link_libraries(igl_common INTERFACE ${CMAKE_THREAD_LIBS_INIT})
################################################################################
## CGAL dependencies on Windows: GMP & MPFR
function(igl_download_cgal_deps)
if(WIN32)
igl_download_project(gmp
URL https://cgal.geometryfactory.com/CGAL/precompiled_libs/auxiliary/x64/GMP/5.0.1/gmp-all-CGAL-3.9.zip
URL_MD5 508c1292319c832609329116a8234c9f
)
igl_download_project(mpfr
URL https://cgal.geometryfactory.com/CGAL/precompiled_libs/auxiliary/x64/MPFR/3.0.0/mpfr-all-CGAL-3.9.zip
URL_MD5 48840454eef0ff18730050c05028734b
)
set(ENV{GMP_DIR} "${LIBIGL_EXTERNAL}/gmp")
set(ENV{MPFR_DIR} "${LIBIGL_EXTERNAL}/mpfr")
endif()
endfunction()
################################################################################
function(compile_igl_module module_dir)
string(REPLACE "/" "_" module_name "${module_dir}")
if(module_name STREQUAL "core")
set(module_libname "igl")
else()
set(module_libname "igl_${module_name}")
endif()
if(LIBIGL_USE_STATIC_LIBRARY)
file(GLOB SOURCES_IGL_${module_name}
"${LIBIGL_SOURCE_DIR}/igl/${module_dir}/*.cpp")
if(NOT LIBIGL_WITHOUT_COPYLEFT)
file(GLOB COPYLEFT_SOURCES_IGL_${module_name}
"${LIBIGL_SOURCE_DIR}/igl/copyleft/${module_dir}/*.cpp")
list(APPEND SOURCES_IGL_${module_name} ${COPYLEFT_SOURCES_IGL_${module_name}})
endif()
add_library(${module_libname} STATIC ${SOURCES_IGL_${module_name}} ${ARGN})
if(MSVC)
target_compile_options(${module_libname} PRIVATE /w) # disable all warnings (not ideal but...)
else()
#target_compile_options(${module_libname} PRIVATE -w) # disable all warnings (not ideal but...)
endif()
else()
add_library(${module_libname} INTERFACE)
endif()
target_link_libraries(${module_libname} ${IGL_SCOPE} igl_common)
if(NOT module_name STREQUAL "core")
target_link_libraries(${module_libname} ${IGL_SCOPE} igl)
endif()
# Alias target because it looks nicer
message(STATUS "Creating target: igl::${module_name} (${module_libname})")
add_library(igl::${module_name} ALIAS ${module_libname})
# Export as igl::${module_name}
set_property(TARGET ${module_libname} PROPERTY EXPORT_NAME igl::${module_name})
endfunction()
################################################################################
### IGL Core
################################################################################
if(LIBIGL_USE_STATIC_LIBRARY)
file(GLOB SOURCES_IGL
"${LIBIGL_SOURCE_DIR}/igl/*.cpp"
"${LIBIGL_SOURCE_DIR}/igl/copyleft/*.cpp")
endif()
compile_igl_module("core" ${SOURCES_IGL})
################################################################################
### Download the python part ###
if(LIBIGL_WITH_PYTHON)
igl_download_pybind11()
endif()
################################################################################
### Compile the CGAL part ###
if(LIBIGL_WITH_CGAL)
# Try to find the CGAL library
# CGAL Core is needed for
# `Exact_predicates_exact_constructions_kernel_with_sqrt`
if(NOT TARGET CGAL::CGAL)
set(CGAL_DIR "${LIBIGL_EXTERNAL}/cgal")
igl_download_cgal()
igl_download_cgal_deps()
if(EXISTS ${LIBIGL_EXTERNAL}/boost)
set(BOOST_ROOT "${LIBIGL_EXTERNAL}/boost")
endif()
option(CGAL_Boost_USE_STATIC_LIBS "Use static Boost libs with CGAL" ON)
find_package(CGAL CONFIG COMPONENTS Core PATHS ${CGAL_DIR} NO_DEFAULT_PATH)
endif()
# If CGAL has been found, then build the libigl module
if(TARGET CGAL::CGAL AND TARGET CGAL::CGAL_Core)
compile_igl_module("cgal")
target_link_libraries(igl_cgal ${IGL_SCOPE} CGAL::CGAL CGAL::CGAL_Core)
else()
set(LIBIGL_WITH_CGAL OFF CACHE BOOL "" FORCE)
endif()
endif()
# Helper function for `igl_copy_cgal_dll()`
function(igl_copy_imported_dll src_target dst_target)
get_target_property(other_libs ${src_target} INTERFACE_LINK_LIBRARIES)
set(locations)
list(APPEND locations ${main_lib} ${other_libs})
foreach(location ${locations})
string(REGEX MATCH "^(.*)\\.[^.]*$" dummy ${location})
set(location "${CMAKE_MATCH_1}.dll")
if(EXISTS "${location}" AND location MATCHES "^.*\\.dll$")
add_custom_command(TARGET ${dst_target} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy_if_different "${location}" $<TARGET_FILE_DIR:${dst_target}>)
endif()
endforeach()
endfunction()
# Convenient functions to copy CGAL dlls into a target (executable) destination folder (for Windows)
function(igl_copy_cgal_dll target)
if(WIN32 AND LIBIGL_WITH_CGAL)
igl_copy_imported_dll(CGAL::CGAL ${target})
igl_copy_imported_dll(CGAL::CGAL_Core ${target})
endif()
endfunction()
################################################################################
### Compile the CoMISo part ###
# NOTE: this cmakefile works only with the
# comiso available here: https://github.com/libigl/CoMISo
if(LIBIGL_WITH_COMISO)
compile_igl_module("comiso")
if(NOT TARGET CoMISo)
igl_download_comiso()
add_subdirectory("${LIBIGL_EXTERNAL}/CoMISo" CoMISo)
endif()
target_link_libraries(igl_comiso ${IGL_SCOPE} CoMISo)
endif()
################################################################################
### Compile the cork part ###
if(LIBIGL_WITH_CORK)
set(CORK_DIR "${LIBIGL_EXTERNAL}/cork")
if(NOT TARGET cork)
# call this "lib-cork" instead of "cork", otherwise cmake gets confused about
# "cork" executable
igl_download_cork()
add_subdirectory("${CORK_DIR}" "lib-cork")
endif()
compile_igl_module("cork")
target_include_directories(igl_cork ${IGL_SCOPE} cork)
target_include_directories(igl_cork ${IGL_SCOPE} "${CORK_DIR}/src")
target_link_libraries(igl_cork ${IGL_SCOPE} cork)
endif()
################################################################################
### Compile the embree part ###
if(LIBIGL_WITH_EMBREE)
set(EMBREE_DIR "${LIBIGL_EXTERNAL}/embree")
set(EMBREE_ISPC_SUPPORT OFF CACHE BOOL " " FORCE)
set(EMBREE_TASKING_SYSTEM "INTERNAL" CACHE BOOL " " FORCE)
set(EMBREE_TUTORIALS OFF CACHE BOOL " " FORCE)
set(EMBREE_MAX_ISA NONE CACHE STRINGS " " FORCE)
set(BUILD_TESTING OFF CACHE BOOL " " FORCE)
# set(ENABLE_INSTALLER OFF CACHE BOOL " " FORCE)
if(MSVC)
# set(EMBREE_STATIC_RUNTIME OFF CACHE BOOL " " FORCE)
set(EMBREE_STATIC_LIB OFF CACHE BOOL " " FORCE)
else()
set(EMBREE_STATIC_LIB ON CACHE BOOL " " FORCE)
endif()
if(NOT TARGET embree)
igl_download_embree()
add_subdirectory("${EMBREE_DIR}" "embree")
endif()
if(MSVC)
add_custom_target(Copy-Embree-DLL ALL # Adds a post-build event
COMMAND ${CMAKE_COMMAND} -E copy_if_different # which executes "cmake - E
$<TARGET_FILE:embree> # <--this is in-file
"${CMAKE_BINARY_DIR}" # <--this is out-file path
DEPENDS embree) # Execute after embree target has been built
endif()
compile_igl_module("embree")
target_link_libraries(igl_embree ${IGL_SCOPE} embree)
target_include_directories(igl_embree ${IGL_SCOPE} ${EMBREE_DIR}/include)
if(NOT MSVC)
target_compile_definitions(igl_embree ${IGL_SCOPE} -DENABLE_STATIC_LIB)
endif()
endif()
################################################################################
### Compile the matlab part ###
if(LIBIGL_WITH_MATLAB)
find_package(Matlab REQUIRED COMPONENTS MEX_COMPILER MX_LIBRARY ENG_LIBRARY)
compile_igl_module("matlab")
target_link_libraries(igl_matlab ${IGL_SCOPE} ${Matlab_LIBRARIES})
target_include_directories(igl_matlab ${IGL_SCOPE} ${Matlab_INCLUDE_DIRS})
endif()
################################################################################
### Compile the mosek part ###
if(LIBIGL_WITH_MOSEK)
find_package(MOSEK REQUIRED)
compile_igl_module("mosek")
target_link_libraries(igl_mosek ${IGL_SCOPE} ${MOSEK_LIBRARIES})
target_include_directories(igl_mosek ${IGL_SCOPE} ${MOSEK_INCLUDE_DIRS})
target_compile_definitions(igl_mosek ${IGL_SCOPE} -DLIBIGL_WITH_MOSEK)
endif()
################################################################################
### Compile the opengl part ###
if(LIBIGL_WITH_OPENGL)
# OpenGL module
find_package(OpenGL REQUIRED)
compile_igl_module("opengl")
target_link_libraries(igl_opengl ${IGL_SCOPE} ${OPENGL_gl_LIBRARY})
target_include_directories(igl_opengl SYSTEM ${IGL_SCOPE} ${OPENGL_INCLUDE_DIR})
# glad module
if(NOT TARGET glad)
igl_download_glad()
add_subdirectory(${LIBIGL_EXTERNAL}/glad glad)
endif()
target_link_libraries(igl_opengl ${IGL_SCOPE} glad)
endif()
################################################################################
### Compile the GLFW part ###
if(LIBIGL_WITH_OPENGL_GLFW)
if(TARGET igl::opengl)
# GLFW module
compile_igl_module("opengl/glfw")
if(NOT TARGET glfw)
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL " " FORCE)
set(GLFW_BUILD_TESTS OFF CACHE BOOL " " FORCE)
set(GLFW_BUILD_DOCS OFF CACHE BOOL " " FORCE)
set(GLFW_INSTALL OFF CACHE BOOL " " FORCE)
igl_download_glfw()
add_subdirectory(${LIBIGL_EXTERNAL}/glfw glfw)
endif()
target_link_libraries(igl_opengl_glfw ${IGL_SCOPE} igl_opengl glfw)
endif()
endif()
################################################################################
### Compile the ImGui part ###
if(LIBIGL_WITH_OPENGL_GLFW_IMGUI)
if(TARGET igl::opengl_glfw)
# ImGui module
compile_igl_module("opengl/glfw/imgui")
if(NOT TARGET imgui)
igl_download_imgui()
add_subdirectory(${LIBIGL_EXTERNAL}/libigl-imgui imgui)
endif()
target_link_libraries(igl_opengl_glfw_imgui ${IGL_SCOPE} igl_opengl_glfw imgui)
endif()
endif()
################################################################################
### Compile the png part ###
if(LIBIGL_WITH_PNG)
# png/ module is anomalous because it also depends on opengl it really should
# be moved into the opengl/ directory and namespace ...
if(TARGET igl_opengl)
if(NOT TARGET stb_image)
igl_download_stb()
add_subdirectory(${LIBIGL_EXTERNAL}/stb stb_image)
endif()
compile_igl_module("png" "")
target_link_libraries(igl_png ${IGL_SCOPE} igl_stb_image igl_opengl)
endif()
endif()
################################################################################
### Compile the tetgen part ###
if(LIBIGL_WITH_TETGEN)
set(TETGEN_DIR "${LIBIGL_EXTERNAL}/tetgen")
if(NOT TARGET tetgen)
igl_download_tetgen()
add_subdirectory("${TETGEN_DIR}" "tetgen")
endif()
compile_igl_module("tetgen")
target_link_libraries(igl_tetgen ${IGL_SCOPE} tetgen)
target_include_directories(igl_tetgen ${IGL_SCOPE} ${TETGEN_DIR})
endif()
################################################################################
### Compile the triangle part ###
if(LIBIGL_WITH_TRIANGLE)
set(TRIANGLE_DIR "${LIBIGL_EXTERNAL}/triangle")
if(NOT TARGET triangle)
igl_download_triangle()
add_subdirectory("${TRIANGLE_DIR}" "triangle")
endif()
compile_igl_module("triangle")
target_link_libraries(igl_triangle ${IGL_SCOPE} triangle)
target_include_directories(igl_triangle ${IGL_SCOPE} ${TRIANGLE_DIR})
endif()
################################################################################
### Compile the xml part ###
if(LIBIGL_WITH_XML)
set(TINYXML2_DIR "${LIBIGL_EXTERNAL}/tinyxml2")
if(NOT TARGET tinyxml2)
igl_download_tinyxml2()
add_library(tinyxml2 STATIC ${TINYXML2_DIR}/tinyxml2.cpp ${TINYXML2_DIR}/tinyxml2.h)
target_include_directories(tinyxml2 PUBLIC ${TINYXML2_DIR})
set_target_properties(tinyxml2 PROPERTIES
COMPILE_DEFINITIONS "TINYXML2_EXPORT"
VERSION "3.0.0"
SOVERSION "3")
endif()
compile_igl_module("xml")
target_link_libraries(igl_xml ${IGL_SCOPE} tinyxml2)
target_include_directories(igl_xml ${IGL_SCOPE} ${TINYXML2_DIR})
endif()
################################################################################
### Install and export all modules
function(install_dir_files dir_name)
if (dir_name STREQUAL "core")
set(subpath "")
else()
set(subpath "/${dir_name}")
endif()
file(GLOB public_headers
${CMAKE_CURRENT_SOURCE_DIR}/include/igl${subpath}/*.h
)
set(files_to_install ${public_headers})
if(NOT LIBIGL_USE_STATIC_LIBRARY)
file(GLOB public_sources
${CMAKE_CURRENT_SOURCE_DIR}/include/igl${subpath}/*.cpp
)
endif()
list(APPEND files_to_install ${public_sources})
install(
FILES ${files_to_install}
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/igl${subpath}
)
endfunction()
################################################################################
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
# Install and export core library
install(
TARGETS
igl
igl_common
EXPORT igl-export
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
export(
TARGETS
igl
igl_common
FILE libigl-export.cmake
)
# Install headers for core library
install_dir_files(core)
install_dir_files(copyleft)
# Write package configuration file
configure_package_config_file(
${CMAKE_CURRENT_LIST_DIR}/libigl-config.cmake.in
${CMAKE_BINARY_DIR}/libigl-config.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/libigl/cmake
)
install(
FILES
${CMAKE_BINARY_DIR}/libigl-config.cmake
DESTINATION
${CMAKE_INSTALL_DATADIR}/libigl/cmake
)
# Write export file
export(EXPORT igl-export
FILE "${CMAKE_BINARY_DIR}/libigl-export.cmake"
)
install(EXPORT igl-export DESTINATION ${CMAKE_INSTALL_DATADIR}/libigl/cmake FILE libigl-export.cmake)
export(PACKAGE libigl)