From 69c661e671a2cff1b09d8598cf3792e8a0159005 Mon Sep 17 00:00:00 2001 From: Valentin Longchamp Date: Thu, 22 Oct 2009 03:08:31 +0000 Subject: cmake.bbclass: add toolchain file for cmake compilations Based on work done by Matthew Dombroski. We want to generate a toolchain file for cmake compilations. This adds a task that is performed before the configure task. Additional defines can be made in the toolchain file directly in the recipe file by using a do_generate_toolchain_file_append(). This is especially interesting for recipes that need to define values for additionnal libraries. Signed-off-by: Valentin Longchamp --- classes/cmake.bbclass | 41 +++++++++++++++++++++++++++++++++++++++-- 1 file changed, 39 insertions(+), 2 deletions(-) (limited to 'classes') diff --git a/classes/cmake.bbclass b/classes/cmake.bbclass index 706bddae5a..5f1f737397 100644 --- a/classes/cmake.bbclass +++ b/classes/cmake.bbclass @@ -1,5 +1,8 @@ DEPENDS += " cmake-native " +# We need to unset CCACHE otherwise cmake gets too confused +CCACHE = "" + # We want the staging and installing functions from autotools inherit autotools_stage @@ -11,6 +14,39 @@ OECMAKE_SOURCEPATH ?= "." # "-C ${OECMAKE_BUILDPATH}". So it will run the right makefiles. OECMAKE_BUILDPATH ?= "" +# C/C++ Compiler (without cpu arch/tune arguments) +OECMAKE_C_COMPILER ?= "`echo ${CC} | sed 's/^\([^ ]*\).*/\1/'`" +OECMAKE_CXX_COMPILER ?= "`echo ${CXX} | sed 's/^\([^ ]*\).*/\1/'`" + +# Compiler flags +OECMAKE_C_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${BUILD_CPPFLAGS}" +OECMAKE_CXX_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${BUILD_CPPFLAGS} -fpermissive" +OECMAKE_C_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} -DNDEBUG" +OECMAKE_CXX_FLAGS_RELEASE ?= "${SELECTED_OPTIMIZATION} -DNDEBUG" + +cmake_do_generate_toolchain_file() { +# CMake system name must be something like "Linux". +# This is important for cross-compiling. + echo "set( CMAKE_SYSTEM_NAME" `echo ${SDK_OS} | sed 's/^./\u&/'` ")" > ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_C_COMPILER ${OECMAKE_C_COMPILER} )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_CXX_COMPILER ${OECMAKE_CXX_COMPILER} )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_C_FLAGS \"${OECMAKE_C_FLAGS}\" CACHE STRING \"OpenEmbedded CFLAGS\" )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_CXX_FLAGS \"${OECMAKE_CXX_FLAGS}\" CACHE STRING \"OpenEmbedded CXXFLAGS\" )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_C_FLAGS_RELEASE \"${OECMAKE_C_FLAGS_RELEASE}\" CACHE STRING \"CFLAGS for release\" )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_CXX_FLAGS_RELEASE \"${OECMAKE_CXX_FLAGS_RELEASE}\" CACHE STRING \"CXXFLAGS for release\" )" >> ${WORKDIR}/toolchain.cmake + +# only search in the paths provided (from openembedded) so cmake doesnt pick +# up libraries and tools from the native build machine + echo "set( CMAKE_FIND_ROOT_PATH ${STAGING_DIR_HOST} ${STAGING_DIR_NATIVE} ${CROSS_DIR} )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )" >> ${WORKDIR}/toolchain.cmake + echo "set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )" >> ${WORKDIR}/toolchain.cmake +# Use native cmake modules + echo "set( CMAKE_MODULE_PATH ${STAGING_DIR_NATIVE}/usr/share/cmake-2.6/Modules/ )" >> ${WORKDIR}/toolchain.cmake +} + +addtask generate_toolchain_file after do_patch before do_configure + cmake_do_configure() { if [ ${OECMAKE_BUILDPATH} ] then @@ -20,8 +56,9 @@ cmake_do_configure() { cmake ${OECMAKE_SOURCEPATH} \ -DCMAKE_INSTALL_PREFIX:PATH=${prefix} \ - -DCMAKE_FIND_ROOT_PATH:PATH=${STAGING_DIR_HOST} \ -DCMAKE_INSTALL_SO_NO_EXE=0 \ + -DCMAKE_TOOLCHAIN_FILE=${WORKDIR}/toolchain.cmake \ + -DCMAKE_VERBOSE_MAKEFILE=1 \ ${EXTRA_OECMAKE} \ -Wno-dev } @@ -44,4 +81,4 @@ cmake_do_install() { autotools_do_install } -EXPORT_FUNCTIONS do_configure do_compile do_install +EXPORT_FUNCTIONS do_configure do_compile do_install do_generate_toolchain_file -- cgit 1.2.3-korg