Hi, Khem: I have not tested that with gcc7, will do that and let you know.
//Ming Liu 2017-08-23 21:23 GMT+02:00 Khem Raj <[email protected]>: > On 8/23/17 12:26 AM, [email protected] wrote: > > From: Ming Liu <[email protected]> > > > > I could not manage to build nativesdk-clang, I encountered errors as > > follows: (trimmed for purpose) > > | ../gcc/x86_64-pokysdk-linux/6.3.0/ld:: > > | cannot find crt1.o: No such file or directory > > | cannot find crtbegin.o: No such file or directory > > | cannot find -lgcc > > | cannot find -lgcc_s > > > > After some investigation, I found it's caused by the llvm native tools > > could not compile with crosssdk toolchains. (special linking flags > > are needed) > > > > So we introduce a cmake-native class with a task to generate a native > > toolchain file, it will be used to build llvm native tools by passed > > with CROSS_TOOLCHAIN_FLAGS_NATIVE. > > I have applied it. But does this happen when you use gcc7 for gcc as well ? > > > > Signed-off-by: Ming Liu <[email protected]> > > --- > > classes/cmake-native.bbclass | 47 ++++++++++++++++++++++++++++++ > +++++++ > > recipes-devtools/clang/clang_git.bb | 3 ++- > > 2 files changed, 49 insertions(+), 1 deletion(-) > > create mode 100644 classes/cmake-native.bbclass > > > > diff --git a/classes/cmake-native.bbclass b/classes/cmake-native.bbclass > > new file mode 100644 > > index 0000000..911476e > > --- /dev/null > > +++ b/classes/cmake-native.bbclass > > @@ -0,0 +1,47 @@ > > +# 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 ?= "${BUILD_AR}" > > + > > +# Native compiler flags > > +OECMAKE_NATIVE_C_FLAGS ?= "${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 ${OECMAKE_NATIVE_AR} CACHE FILEPATH "Archiver" ) > > +set( CMAKE_C_FLAGS "${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 > > diff --git a/recipes-devtools/clang/clang_git.bb > b/recipes-devtools/clang/clang_git.bb > > index fb7854c..c226093 100644 > > --- a/recipes-devtools/clang/clang_git.bb > > +++ b/recipes-devtools/clang/clang_git.bb > > @@ -27,7 +27,7 @@ INHIBIT_DEFAULT_DEPS = "1" > > > > S = "${WORKDIR}/git" > > > > -inherit cmake > > +inherit cmake cmake-native > > > > OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM = "BOTH" > > > > @@ -85,6 +85,7 @@ EXTRA_OECMAKE_append_class-native = "\ > > " > > EXTRA_OECMAKE_append_class-nativesdk = "\ > > -DCMAKE_CROSSCOMPILING:BOOL=ON \ > > + -DCROSS_TOOLCHAIN_FLAGS_NATIVE='-DCMAKE_TOOLCHAIN_ > FILE=${WORKDIR}/toolchain-native.cmake' \ > > -DLLVM_TARGETS_TO_BUILD='${LLVM_TARGETS_TO_BUILD}' \ > > -DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm-tblgen > \ > > -DCLANG_TABLEGEN=${STAGING_BINDIR_NATIVE}/clang-tblgen > \ > > > > -- _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-devel
