diff options
| -rw-r--r-- | package/pkg-cmake.mk | 2 | ||||
| -rw-r--r-- | support/misc/toolchainfile.cmake.in | 33 |
2 files changed, 33 insertions, 2 deletions
diff --git a/package/pkg-cmake.mk b/package/pkg-cmake.mk index a84aa0b302..56a93c70ac 100644 --- a/package/pkg-cmake.mk +++ b/package/pkg-cmake.mk @@ -66,6 +66,7 @@ define $(2)_CONFIGURE_CMDS -DCMAKE_INSTALL_PREFIX="/usr" \ -DCMAKE_COLOR_MAKEFILE=OFF \ -DBUILD_SHARED_LIBS=$(if $(BR2_PREFER_STATIC_LIB),OFF,ON) \ + -DUSE_CCACHE=$(if $(BR2_CCACHE),ON,OFF) \ $$($$(PKG)_CONF_OPT) \ ) endef @@ -83,6 +84,7 @@ define $(2)_CONFIGURE_CMDS -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY="BOTH" \ -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" \ -DCMAKE_INSTALL_PREFIX="$$(HOST_DIR)/usr" \ + -DUSE_CCACHE=$(if $(BR2_CCACHE),ON,OFF) \ $$($$(PKG)_CONF_OPT) \ ) endef 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() |
