diff options
Diffstat (limited to 'support/misc/toolchainfile.cmake.in')
| -rw-r--r-- | support/misc/toolchainfile.cmake.in | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/support/misc/toolchainfile.cmake.in b/support/misc/toolchainfile.cmake.in index 27a0af1e8e..46ed9324cd 100644 --- a/support/misc/toolchainfile.cmake.in +++ b/support/misc/toolchainfile.cmake.in @@ -23,5 +23,34 @@ set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) set(ENV{PKG_CONFIG_SYSROOT_DIR} "${RELOCATED_HOST_DIR}/@@STAGING_SUBDIR@@") -set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") -set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX_NOCCACHE@@") +# This toolchain file can be used both inside and outside Buildroot. +# * When used inside Buildroot, ccache support is explicitly driven using the +# USE_CCACHE variable. +# * When used outside Buildroot (i.e. when USE_CCACHE is not defined), ccache +# support is automatically enabled if the ccache program is available. +if(DEFINED USE_CCACHE) + if(USE_CCACHE) + set(CMAKE_ASM_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/usr/bin/ccache") + set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/usr/bin/ccache") + set(CMAKE_C_COMPILER_ARG1 "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_CXX_COMPILER_ARG1 "${RELOCATED_HOST_DIR}/@@TARGET_CXX_NOCCACHE@@") + else() + set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX_NOCCACHE@@") + endif() +else() + find_program(CCACHE ccache HINTS "${RELOCATED_HOST_DIR}/usr/bin") + if(CCACHE) + set(CMAKE_ASM_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_C_COMPILER "${CCACHE}") + set(CMAKE_CXX_COMPILER "${CCACHE}") + set(CMAKE_C_COMPILER_ARG1 "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_CXX_COMPILER_ARG1 "${RELOCATED_HOST_DIR}/@@TARGET_CXX_NOCCACHE@@") + message(STATUS "ccache program has been found and will be used for the build.") + message(STATUS " To disable ccache, add -DUSE_CCACHE=OFF on the cmake command line.") + else() + set(CMAKE_C_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CC_NOCCACHE@@") + set(CMAKE_CXX_COMPILER "${RELOCATED_HOST_DIR}/@@TARGET_CXX_NOCCACHE@@") + endif() +endif() |
