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view Resources/LinuxStandardBaseToolchain.cmake @ 3103:81b58b549845

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back to using 'var' instead of 'let' since let is not supported by many old browsers. All variables declaration have been moved to the top of the function to better show that their scope is the function
author Alain Mazy <alain@mazy.be>
date Thu, 10 Jan 2019 10:51:36 +0100
parents 94423976888e
children 32596919d729
line wrap: on
line source

# LSB_CC=gcc-4.8 LSB_CXX=g++-4.8 cmake .. -DCMAKE_BUILD_TYPE=Debug -DCMAKE_TOOLCHAIN_FILE=../Resources/LinuxStandardBaseToolchain.cmake -DUSE_LEGACY_JSONCPP=ON

INCLUDE(CMakeForceCompiler)

SET(LSB_PATH $ENV{LSB_PATH})
SET(LSB_CC $ENV{LSB_CC})
SET(LSB_CXX $ENV{LSB_CXX})
SET(LSB_TARGET_VERSION "4.0")

IF ("${LSB_PATH}" STREQUAL "")
  SET(LSB_PATH "/opt/lsb")
ENDIF()

IF (EXISTS ${LSB_PATH}/lib64)
  SET(LSB_TARGET_PROCESSOR "x86_64")
  SET(LSB_LIBPATH ${LSB_PATH}/lib64-${LSB_TARGET_VERSION})
ELSEIF (EXISTS ${LSB_PATH}/lib)
  SET(LSB_TARGET_PROCESSOR "x86")
  SET(LSB_LIBPATH ${LSB_PATH}/lib-${LSB_TARGET_VERSION})
ELSE()
  MESSAGE(FATAL_ERROR "Unable to detect the target processor architecture. Check the LSB_PATH environment variable.")
ENDIF()

SET(LSB_CPPPATH ${LSB_PATH}/include)
SET(PKG_CONFIG_PATH ${LSB_LIBPATH}/pkgconfig/)

# the name of the target operating system
SET(CMAKE_SYSTEM_NAME Linux)
SET(CMAKE_SYSTEM_VERSION LinuxStandardBase)
SET(CMAKE_SYSTEM_PROCESSOR ${LSB_TARGET_PROCESSOR})

# which compilers to use for C and C++
SET(CMAKE_C_COMPILER ${LSB_PATH}/bin/lsbcc)
CMAKE_FORCE_CXX_COMPILER(${LSB_PATH}/bin/lsbc++ GNU)

# here is the target environment located
SET(CMAKE_FIND_ROOT_PATH ${LSB_PATH})

# adjust the default behaviour of the FIND_XXX() commands:
# search headers and libraries in the target environment, search 
# programs in the host environment
SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)

SET(CMAKE_CROSSCOMPILING OFF)


SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -I${LSB_PATH}/include" CACHE INTERNAL "" FORCE)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -nostdinc++ -I${LSB_PATH}/include -I${LSB_PATH}/include/c++ -I${LSB_PATH}/include/c++/backward" CACHE INTERNAL "" FORCE)
SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -L${LSB_LIBPATH} --lsb-besteffort" CACHE INTERNAL "" FORCE)
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-target-version=${LSB_TARGET_VERSION} -L${LSB_LIBPATH} --lsb-besteffort" CACHE INTERNAL "" FORCE)

if (NOT "${LSB_CXX}" STREQUAL "")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-cxx=${LSB_CXX}")
  SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-cxx=${LSB_CXX}")
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-cxx=${LSB_CXX}")
endif()

if (NOT "${LSB_CC}" STREQUAL "")
  SET(CMAKE_C_FLAGS "${CMAKE_CC_FLAGS} --lsb-cc=${LSB_CC}")
  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --lsb-cc=${LSB_CC}")
  SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} --lsb-cc=${LSB_CC}")
  SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --lsb-cc=${LSB_CC}")
endif()