require gcc-multilib-config.inc require gcc-shared-source.inc # # 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 = '${@bb.utils.contains("SPECIAL_ARCH_LIST", "${TARGET_ARCH}", "", "--enable-target-optspace",d)}' EXTRA_OECONF_BASE ?= "" EXTRA_OECONF_PATHS ?= "" EXTRA_OECONF_INITIAL ?= "" GCCMULTILIB ?= "--disable-multilib" GCCTHREADS ?= "posix" EXTRA_OECONF = "\ ${@['--enable-clocale=generic', ''][d.getVar('USE_NLS', True) != 'no']} \ --with-gnu-ld \ --enable-shared \ --enable-languages=${LANGUAGES} \ --enable-threads=${GCCTHREADS} \ ${GCCMULTILIB} \ --enable-c99 \ --enable-long-long \ --enable-symvers=gnu \ --enable-libstdcxx-pch \ --program-prefix=${TARGET_PREFIX} \ --without-local-prefix \ ${OPTSPACE} \ ${EXTRA_OECONF_BASE} \ ${EXTRA_OECONF_GCC_FLOAT} \ ${EXTRA_OECONF_PATHS} \ ${@get_gcc_mips_plt_setting(bb, d)} \ ${@get_gcc_ppc_plt_settings(bb, d)} \ ${@get_long_double_setting(bb, d)} \ ${@get_gcc_multiarch_setting(bb, d)} \ " export gcc_cv_collect2_libs = 'none required' # We need to set gcc_cv_collect2_libs else there is cross-compilation badness # in the config.log files (which might not get generated until do_compile # hence being missed by the insane do_configure check). # Build uclibc compilers without cxa_atexit support EXTRA_OECONF_append_linux = " --enable-__cxa_atexit" EXTRA_OECONF_append_libc-uclibc = " --enable-__cxa_atexit" EXTRA_OECONF_append_mips64 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64" EXTRA_OECONF_append_mips64el = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64" EXTRA_OECONF_append_mips64n32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64" EXTRA_OECONF_append_mips64eln32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64" # ARMv6+ adds atomic instructions that affect the ABI in libraries built # with TUNE_CCARGS in gcc-runtime. Make the compiler default to a # compatible architecture. armv6 and armv7a cover the minimum tune # features used in OE. EXTRA_OECONF_append_armv6 = " --with-arch=armv6" EXTRA_OECONF_append_armv7a = " --with-arch=armv7-a" EXTRA_OECONF_append_armv7m = " --with-arch=armv7-m" EXTRA_OECONF_append_armv7r = " --with-arch=armv7-r" EXTRA_OECONF_GCC_FLOAT ??= "" CPPFLAGS = "" SYSTEMHEADERS = "${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 #define NATIVE_SYSTEM_HEADER_DIR "${SYSTEMHEADERS}" #define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}" #define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}" #define SYSTEMLIBS_DIR "${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="${BUILD_LDFLAGS}" export CFLAGS_FOR_TARGET="${TARGET_CFLAGS}" export CPPFLAGS_FOR_TARGET="${TARGET_CPPFLAGS}" export CXXFLAGS_FOR_TARGET="${TARGET_CXXFLAGS}" export LDFLAGS_FOR_TARGET="${TARGET_LDFLAGS}" oe_runconf }