56a27d7d00
Some packages such as libclc need to override cmake toolchain variables, to avoid errors caused by trying to set overriden variables ensure that they are not defined before being set. This prevents difficult to debug silent dropping of overriden variables. Signed-off-by: James Hilliard <james.hilliard1@gmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
128 lines
4.8 KiB
CMake
128 lines
4.8 KiB
CMake
#
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# Automatically generated file; DO NOT EDIT.
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# CMake toolchain file for Buildroot
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#
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# In order to allow the toolchain to be relocated, we calculate the
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# HOST_DIR based on this file's location: $(HOST_DIR)/share/buildroot
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# and store it in RELOCATED_HOST_DIR.
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# All the other variables that need to refer to HOST_DIR will use the
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# RELOCATED_HOST_DIR variable.
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string(REPLACE "/share/buildroot" "" RELOCATED_HOST_DIR ${CMAKE_CURRENT_LIST_DIR})
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# Point cmake to the location where we have our custom modules,
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# so that it can find our custom platform description.
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
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if(NOT DEFINED CMAKE_SYSTEM_NAME)
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set(CMAKE_SYSTEM_NAME Buildroot)
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endif()
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if(NOT DEFINED CMAKE_SYSTEM_VERSION)
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set(CMAKE_SYSTEM_VERSION 1)
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endif()
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if(NOT DEFINED CMAKE_SYSTEM_PROCESSOR)
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set(CMAKE_SYSTEM_PROCESSOR @@CMAKE_SYSTEM_PROCESSOR@@)
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endif()
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# Set the {C,CXX}FLAGS appended by CMake depending on the build type
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# defined by Buildroot. CMake defaults these variables with -g and/or
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# -O options, and they are appended at the end of the argument list,
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# so the Buildroot options are overridden. Therefore these variables
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# have to be cleared, so that the options passed in CMAKE_C_FLAGS do
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# apply.
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#
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# Note:
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# if the project forces some of these flag variables, Buildroot is
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# screwed up and there is nothing Buildroot can do about that :(
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if(NOT DEFINED CMAKE_C_FLAGS_DEBUG)
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set(CMAKE_C_FLAGS_DEBUG "" CACHE STRING "Debug CFLAGS")
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endif()
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if(NOT DEFINED CMAKE_C_FLAGS_RELEASE)
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set(CMAKE_C_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release CFLAGS")
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endif()
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# Build type from the Buildroot configuration
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if(NOT DEFINED CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE @@CMAKE_BUILD_TYPE@@ CACHE STRING "Buildroot build configuration")
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endif()
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# Buildroot defaults flags.
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# If you are using this toolchainfile.cmake file outside of Buildroot and
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# want to customize the compiler/linker flags, then:
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# * set them all on the cmake command line, e.g.:
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# cmake -DCMAKE_C_FLAGS="@@TARGET_CFLAGS@@ -Dsome_custom_flag" ...
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# * and make sure the project's CMake code extends them like this if needed:
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# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dsome_definitions")
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if(NOT DEFINED CMAKE_C_FLAGS)
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set(CMAKE_C_FLAGS "@@TARGET_CFLAGS@@" CACHE STRING "Buildroot CFLAGS")
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endif()
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if(NOT DEFINED CMAKE_EXE_LINKER_FLAGS)
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set(CMAKE_EXE_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for executables")
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endif()
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if(NOT DEFINED CMAKE_SHARED_LINKER_FLAGS)
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set(CMAKE_SHARED_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for shared libraries")
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endif()
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if(NOT DEFINED CMAKE_MODULE_LINKER_FLAGS)
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set(CMAKE_MODULE_LINKER_FLAGS "@@TARGET_LDFLAGS@@" CACHE STRING "Buildroot LDFLAGS for module libraries")
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endif()
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if(NOT DEFINED CMAKE_INSTALL_SO_NO_EXE)
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set(CMAKE_INSTALL_SO_NO_EXE 0)
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endif()
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if(NOT DEFINED CMAKE_PROGRAM_PATH)
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set(CMAKE_PROGRAM_PATH "${RELOCATED_HOST_DIR}/bin")
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endif()
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if(NOT DEFINED CMAKE_SYSROOT)
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set(CMAKE_SYSROOT "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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endif()
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if(NOT DEFINED CMAKE_FIND_ROOT_PATH)
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set(CMAKE_FIND_ROOT_PATH "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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endif()
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if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_PROGRAM)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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endif()
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if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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endif()
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if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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endif()
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if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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endif()
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set(ENV{PKG_CONFIG_SYSROOT_DIR} "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@")
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# This toolchain file can be used both inside and outside Buildroot.
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if(NOT DEFINED CMAKE_C_COMPILER)
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set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC@@")
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endif()
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if(@@TOOLCHAIN_HAS_CXX@@)
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if(NOT DEFINED CMAKE_CXX_FLAGS_DEBUG)
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set(CMAKE_CXX_FLAGS_DEBUG "" CACHE STRING "Debug CXXFLAGS")
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endif()
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if(NOT DEFINED CMAKE_CXX_FLAGS_RELEASE)
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set(CMAKE_CXX_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release CXXFLAGS")
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endif()
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if(NOT DEFINED CMAKE_CXX_FLAGS)
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set(CMAKE_CXX_FLAGS "@@TARGET_CXXFLAGS@@" CACHE STRING "Buildroot CXXFLAGS")
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endif()
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if(NOT DEFINED CMAKE_CXX_COMPILER)
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set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX@@")
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endif()
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endif()
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if(@@TOOLCHAIN_HAS_FORTRAN@@)
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if(NOT DEFINED CMAKE_Fortran_FLAGS_DEBUG)
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set(CMAKE_Fortran_FLAGS_DEBUG "" CACHE STRING "Debug Fortran FLAGS")
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endif()
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if(NOT DEFINED CMAKE_Fortran_FLAGS_RELEASE)
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set(CMAKE_Fortran_FLAGS_RELEASE " -DNDEBUG" CACHE STRING "Release Fortran FLAGS")
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endif()
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if(NOT DEFINED CMAKE_Fortran_FLAGS)
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set(CMAKE_Fortran_FLAGS "@@TARGET_FCFLAGS@@" CACHE STRING "Buildroot FCFLAGS")
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endif()
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if(NOT DEFINED CMAKE_Fortran_COMPILER)
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set(CMAKE_Fortran_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_FC@@")
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endif()
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endif()
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