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-rw-r--r--meta/classes/cmake.bbclass91
1 files changed, 84 insertions, 7 deletions
diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
index 6adc43f05..74e242d73 100644
--- a/meta/classes/cmake.bbclass
+++ b/meta/classes/cmake.bbclass
@@ -1,16 +1,93 @@
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
-EXTRA_OECMAKE ?= ""
+# Use in-tree builds by default but allow this to be changed
+# since some packages do not support them (e.g. llvm 2.5).
+OECMAKE_SOURCEPATH ?= "."
+
+# If declaring this, make sure you also set EXTRA_OEMAKE to
+# "-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} ${TARGET_CPPFLAGS}"
+OECMAKE_CXX_FLAGS ?= "${HOST_CC_ARCH} ${TOOLCHAIN_OPTIONS} ${TARGET_CPPFLAGS} -fpermissive"
+OECMAKE_C_FLAGS_RELEASE ?= "${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_DATADIR}/cmake/Modules/ )" >> ${WORKDIR}/toolchain.cmake
+}
+
+addtask generate_toolchain_file after do_patch before do_configure
cmake_do_configure() {
- cmake . -DCMAKE_INSTALL_PREFIX:PATH=${prefix} -Wno-dev \
- -DCMAKE_FIND_ROOT_PATH=${STAGING_DIR_HOST} \
- -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY \
- -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY \
- ${EXTRA_OECMAKE}
+ if [ ${OECMAKE_BUILDPATH} ]
+ then
+ mkdir -p ${OECMAKE_BUILDPATH}
+ cd ${OECMAKE_BUILDPATH}
+ fi
+
+ # Just like autotools cmake can use a site file to cache result that need generated binaries to run
+ if [ -e ${WORKDIR}/site-file.cmake ] ; then
+ OECMAKE_SITEFILE=" -C ${WORKDIR}/site-file.cmake"
+ else
+ OECMAKE_SITEFILE=""
+ fi
+
+ cmake \
+ ${OECMAKE_SITEFILE} \
+ ${OECMAKE_SOURCEPATH} \
+ -DCMAKE_INSTALL_PREFIX:PATH=${prefix} \
+ -DCMAKE_INSTALL_SO_NO_EXE=0 \
+ -DCMAKE_TOOLCHAIN_FILE=${WORKDIR}/toolchain.cmake \
+ -DCMAKE_VERBOSE_MAKEFILE=1 \
+ ${EXTRA_OECMAKE} \
+ -Wno-dev
+}
+
+cmake_do_compile() {
+ if [ ${OECMAKE_BUILDPATH} ]
+ then
+ cd ${OECMAKE_BUILDPATH}
+ fi
+
+ base_do_compile
+}
+
+cmake_do_install() {
+ if [ ${OECMAKE_BUILDPATH} ];
+ then
+ cd ${OECMAKE_BUILDPATH}
+ fi
+
+ autotools_do_install
}
-EXPORT_FUNCTIONS do_configure
+EXPORT_FUNCTIONS do_configure do_compile do_install do_generate_toolchain_file