# # Build the list of lanaguages to build. # # These can be overridden by the version specific .inc file. # Java (gcj doesn't work on all architectures) JAVA ?= ",java" JAVA_arm ?= "" JAVA_armeb ?= "" JAVA_mipsel ?= "" JAVA_sh3 ?= "" # gcc 3.x expects 'f77', 4.0 expects 'f95', 4.1 and 4.2 expect 'fortran' FORTRAN ?= ",f77" LANGUAGES ?= "c,c++${FORTRAN}${JAVA}" # disable --enable-target-optspace for powerpc SPE # at -Os libgcc.so.1 creates references into # hidden symbols in libgcc.a which linker complains # when linking shared libraries further in the build like (gnutls) SPECIAL_ARCH_LIST = "powerpc" OPTSPACE = '${@base_contains("SPECIAL_ARCH_LIST", "${TARGET_ARCH}", "", "--enable-target-optspace",d)}' EXTRA_OECONF_BASE ?= "" EXTRA_OECONF_PATHS ?= "" EXTRA_OECONF_INITIAL ?= "" EXTRA_OECONF_INTERMEDIATE ?= "" GCCMULTILIB = "--disable-multilib" EXTRA_OECONF = "${@['--enable-clocale=generic', ''][d.getVar('USE_NLS', True) != 'no']} \ --with-gnu-ld \ --enable-shared \ --enable-languages=${LANGUAGES} \ --enable-threads=posix \ ${GCCMULTILIB} \ --enable-c99 \ --enable-long-long \ --enable-symvers=gnu \ --enable-libstdcxx-pch \ --program-prefix=${TARGET_PREFIX} \ ${OPTSPACE} \ ${EXTRA_OECONF_BASE} \ ${EXTRA_OECONF_FPU} \ ${EXTRA_OECONF_PATHS} \ ${@get_gcc_mips_plt_setting(bb, d)} \ ${@get_gcc_multiarch_setting(bb, d)}" # Build uclibc compilers without cxa_atexit support EXTRA_OECONF_append_linux = " --enable-__cxa_atexit" EXTRA_OECONF_append_linux-gnueabi = " --enable-__cxa_atexit" EXTRA_OECONF_append_linux-uclibc = " --disable-__cxa_atexit" EXTRA_OECONF_append_linux-uclibceabi = " --disable-__cxa_atexit" EXTRA_OECONF_FPU = "${@get_gcc_fpu_setting(bb, d)}" CPPFLAGS = "" # Used by configure to define additional values for FLAGS_FOR_TARGET - # passed to all the compilers. ARCH_FLAGS_FOR_TARGET = "${TARGET_CC_ARCH}" EXTRA_OEMAKE += "ARCH_FLAGS_FOR_TARGET='${ARCH_FLAGS_FOR_TARGET}'" SYSTEMHEADERS = "${target_includedir}" SYSTEMLIBS = "${target_base_libdir}/" SYSTEMLIBS1 = "${target_libdir}/" do_configure_prepend () { # teach gcc to find correct target includedir when checking libc ssp support mkdir -p ${B}/gcc echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${B}/gcc/t-oe cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${B}/gcc/defaults.h.new cat >>${B}/gcc/defaults.h.new <<_EOF #ifndef STANDARD_INCLUDE_DIR #define STANDARD_INCLUDE_DIR "${SYSTEMHEADERS}" #endif #ifndef STANDARD_STARTFILE_PREFIX_1 #define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}" #endif #ifndef STANDARD_STARTFILE_PREFIX_2 #define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}" #endif #define SYSTEMLIBS_DIR "${SYSTEMLIBS}" #endif /* ! GCC_DEFAULTS_H */ _EOF mv ${B}/gcc/defaults.h.new ${B}/gcc/defaults.h } do_configure () { # Setup these vars for cross building only # ... because foo_FOR_TARGET apparently gets misinterpreted inside the # gcc build stuff when the build is producing a cross compiler - i.e. # when the 'current' target is the 'host' system, and the host is not # the target (because the build is actually making a cross compiler!) if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then export CC_FOR_TARGET="${CC}" export GCC_FOR_TARGET="${CC}" export CXX_FOR_TARGET="${CXX}" export AS_FOR_TARGET="${HOST_PREFIX}as" export LD_FOR_TARGET="${HOST_PREFIX}ld" export NM_FOR_TARGET="${HOST_PREFIX}nm" export AR_FOR_TARGET="${HOST_PREFIX}ar" export GFORTRAN_FOR_TARGET="gfortran" export RANLIB_FOR_TARGET="${HOST_PREFIX}ranlib" fi export CC_FOR_BUILD="${BUILD_CC}" export CXX_FOR_BUILD="${BUILD_CXX}" export CFLAGS_FOR_BUILD="${BUILD_CFLAGS}" export CPPFLAGS_FOR_BUILD="${BUILD_CPPFLAGS}" export CXXFLAGS_FOR_BUILD="${BUILD_CXXFLAGS}" export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}" export ARCH_FLAGS_FOR_TARGET="${ARCH_FLAGS_FOR_TARGET}" # We need to set this else there is cross-compilation badness # in the config.log files (which might not get generated until do_compile # hence being missed by the insane do_configure check). export gcc_cv_collect2_libs="none required" export CFLAGS_FOR_TARGET="${TARGET_CFLAGS}" export CPPFLAGS_FOR_TARGET="${TARGET_CPPFLAGS}" export CXXFLAGS_FOR_TARGET="${TARGET_CXXFLAGS}" export LDFLAGS_FOR_TARGET="${TARGET_LDFLAGS}" (cd ${S} && gnu-configize) || die "failure running gnu-configize" oe_runconf }