meta/meta-clang/classes/cmake-native.bbclass

# We need to unset CCACHE otherwise cmake gets too confused
CCACHE = ""

# Native C/C++ compiler (without cpu arch/tune arguments)
OECMAKE_NATIVE_C_COMPILER ?= "`echo ${BUILD_CC} | sed 's/^\([^ ]*\).*/\1/'`"
OECMAKE_NATIVE_CXX_COMPILER ?= "`echo ${BUILD_CXX} | sed 's/^\([^ ]*\).*/\1/'`"
OECMAKE_NATIVE_AR ?= "${BUILD_AR}"
OECMAKE_NATIVE_RANLIB ?= "${BUILD_RANLIB}"
OECMAKE_NATIVE_NM ?= "${BUILD_NM}"

# Native compiler flags
OECMAKE_NATIVE_C_FLAGS ?= "${BUILD_CC_ARCH} ${BUILD_CFLAGS}"
OECMAKE_NATIVE_CXX_FLAGS ?= "${BUILD_CC_ARCH} ${BUILD_CXXFLAGS}"
OECMAKE_NATIVE_C_FLAGS_RELEASE ?= "-DNDEBUG"
OECMAKE_NATIVE_CXX_FLAGS_RELEASE ?= "-DNDEBUG"
OECMAKE_NATIVE_C_LINK_FLAGS ?= "${BUILD_CC_ARCH} ${BUILD_CPPFLAGS} ${BUILD_LDFLAGS}"
OECMAKE_NATIVE_CXX_LINK_FLAGS ?= "${BUILD_CC_ARCH} ${BUILD_CXXFLAGS} ${BUILD_LDFLAGS}"
BUILD_CXXFLAGS += "${BUILD_CC_ARCH}"
BUILD_CFLAGS += "${BUILD_CC_ARCH}"

do_generate_native_toolchain_file() {
        cat > ${WORKDIR}/toolchain-native.cmake <<EOF
set( CMAKE_SYSTEM_NAME `echo ${BUILD_OS} | sed -e 's/^./\u&/' -e 's/^\(Linux\).*/\1/'` )
set( CMAKE_SYSTEM_PROCESSOR ${BUILD_ARCH} )
set( CMAKE_C_COMPILER ${OECMAKE_NATIVE_C_COMPILER} )
set( CMAKE_CXX_COMPILER ${OECMAKE_NATIVE_CXX_COMPILER} )
set( CMAKE_ASM_COMPILER ${OECMAKE_NATIVE_C_COMPILER} )
set( CMAKE_AR ${OECMAKE_NATIVE_AR} CACHE FILEPATH "Archiver" )
set( CMAKE_RANLIB ${OECMAKE_NATIVE_RANLIB} CACHE FILEPATH "Archive Indexer" )
set( CMAKE_NM ${OECMAKE_NATIVE_NM} CACHE FILEPATH "Symbol Lister" )
set( CMAKE_C_FLAGS "${OECMAKE_NATIVE_C_FLAGS}" CACHE STRING "CFLAGS" )
set( CMAKE_CXX_FLAGS "${OECMAKE_NATIVE_CXX_FLAGS}" CACHE STRING "CXXFLAGS" )
set( CMAKE_ASM_FLAGS "${OECMAKE_NATIVE_C_FLAGS}" CACHE STRING "ASM FLAGS" )
set( CMAKE_C_FLAGS_RELEASE "${OECMAKE_NATIVE_C_FLAGS_RELEASE}" CACHE STRING "Additional CFLAGS for release" )
set( CMAKE_CXX_FLAGS_RELEASE "${OECMAKE_NATIVE_CXX_FLAGS_RELEASE}" CACHE STRING "Additional CXXFLAGS for release" )
set( CMAKE_ASM_FLAGS_RELEASE "${OECMAKE_NATIVE_C_FLAGS_RELEASE}" CACHE STRING "Additional ASM FLAGS for release" )
set( CMAKE_C_LINK_FLAGS "${OECMAKE_NATIVE_C_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
set( CMAKE_CXX_LINK_FLAGS "${OECMAKE_NATIVE_CXX_LINK_FLAGS}" CACHE STRING "LDFLAGS" )

set( CMAKE_FIND_ROOT_PATH ${STAGING_DIR_NATIVE} )
set( CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )

# Use native cmake modules
list(APPEND CMAKE_MODULE_PATH "${STAGING_DATADIR_NATIVE}/cmake/Modules/")
EOF
}

addtask generate_native_toolchain_file after do_patch before do_configure