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environment.cmake
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environment.cmake
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# CMake modules path, for our FindXXX.cmake modules
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/modules)
list(APPEND CMAKE_PREFIX_PATH ${PROJECT_BINARY_DIR})
list(APPEND CMAKE_PREFIX_PATH ${PROJECT_BINARY_DIR}/extlibs)
## Default build type
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
set(CMAKE_BUILD_TYPE "Release")
endif()
## Force default install prefix
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install/${PROJECT_NAME}" CACHE PATH "Install path prefix, prepended onto install directories." FORCE)
endif()
message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
## Set the output directories globally
set(ARCHIVE_OUTPUT_DIRECTORY lib)
set(RUNTIME_OUTPUT_DIRECTORY bin)
if(WIN32)
set(LIBRARY_OUTPUT_DIRECTORY ${RUNTIME_OUTPUT_DIRECTORY})
else()
set(LIBRARY_OUTPUT_DIRECTORY ${ARCHIVE_OUTPUT_DIRECTORY})
endif()
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${ARCHIVE_OUTPUT_DIRECTORY})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${RUNTIME_OUTPUT_DIRECTORY})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/${LIBRARY_OUTPUT_DIRECTORY})
## RPATH
if(UNIX)
# RPATH is a field in ELF binaries that is used as a hint by the system
# loader to find needed shared libraries.
#
# In the build directory, cmake creates binaries with absolute paths in
# RPATH. And by default, it strips RPATH from installed binaries. Here we
# use CMAKE_INSTALL_RPATH to set a relative RPATH. By doing so, we avoid
# the need to play with LD_LIBRARY_PATH to get applications to run.
# see https://cmake.org/Wiki/CMake_RPATH_handling for $ORIGIN doc
set(CMAKE_INSTALL_RPATH
"$ORIGIN/../lib"
"$$ORIGIN/../lib"
)
if(APPLE)
set(CMAKE_MACOSX_RPATH ON)
list(APPEND CMAKE_INSTALL_RPATH
"@loader_path"
"@loader_path/../lib"
"@executable_path"
"@executable_path/../lib"
)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
endif()
endif(UNIX)