130 lines
4.6 KiB
C++
130 lines
4.6 KiB
C++
require gcc-multilib-config.inc
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require gcc-shared-source.inc
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#
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# Build the list of lanaguages to build.
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#
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# These can be overridden by the version specific .inc file.
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# Java (gcj doesn't work on all architectures)
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JAVA ?= ",java"
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JAVA_arm ?= ""
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JAVA_armeb ?= ""
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JAVA_mipsel ?= ""
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JAVA_sh3 ?= ""
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# gcc 3.x expects 'f77', 4.0 expects 'f95', 4.1 and 4.2 expect 'fortran'
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FORTRAN ?= ",f77"
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LANGUAGES ?= "c,c++${FORTRAN}${JAVA}"
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# disable --enable-target-optspace for powerpc SPE
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# at -Os libgcc.so.1 creates references into
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# hidden symbols in libgcc.a which linker complains
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# when linking shared libraries further in the build like (gnutls)
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SPECIAL_ARCH_LIST = "powerpc"
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OPTSPACE = '${@bb.utils.contains("SPECIAL_ARCH_LIST", "${TARGET_ARCH}", "", "--enable-target-optspace",d)}'
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EXTRA_OECONF_BASE ?= ""
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EXTRA_OECONF_PATHS ?= ""
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EXTRA_OECONF_INITIAL ?= ""
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EXTRA_OECONF_INTERMEDIATE ?= ""
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GCCMULTILIB ?= "--disable-multilib"
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GCCTHREADS ?= "posix"
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EXTRA_OECONF = "\
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${@['--enable-clocale=generic', ''][d.getVar('USE_NLS', True) != 'no']} \
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--with-gnu-ld \
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--enable-shared \
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--enable-languages=${LANGUAGES} \
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--enable-threads=${GCCTHREADS} \
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${GCCMULTILIB} \
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--enable-c99 \
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--enable-long-long \
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--enable-symvers=gnu \
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--enable-libstdcxx-pch \
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--program-prefix=${TARGET_PREFIX} \
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--without-local-prefix \
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${OPTSPACE} \
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${EXTRA_OECONF_BASE} \
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${EXTRA_OECONF_GCC_FLOAT} \
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${EXTRA_OECONF_PATHS} \
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${@get_gcc_mips_plt_setting(bb, d)} \
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${@get_long_double_setting(bb, d)} \
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${@get_gcc_multiarch_setting(bb, d)} \
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"
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export gcc_cv_collect2_libs = 'none required'
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# We need to set gcc_cv_collect2_libs else there is cross-compilation badness
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# in the config.log files (which might not get generated until do_compile
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# hence being missed by the insane do_configure check).
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# Build uclibc compilers without cxa_atexit support
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EXTRA_OECONF_append_linux = " --enable-__cxa_atexit"
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EXTRA_OECONF_append_libc-uclibc = " --enable-__cxa_atexit"
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EXTRA_OECONF_append_mips64 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
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EXTRA_OECONF_append_mips64el = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
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EXTRA_OECONF_append_mips64n32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
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EXTRA_OECONF_append_mips64eln32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
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# ARMv6+ adds atomic instructions that affect the ABI in libraries built
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# with TUNE_CCARGS in gcc-runtime. Make the compiler default to a
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# compatible architecture. armv6 and armv7a cover the minimum tune
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# features used in OE.
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EXTRA_OECONF_append_armv6 = " --with-arch=armv6"
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EXTRA_OECONF_append_armv7a = " --with-arch=armv7-a"
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EXTRA_OECONF_GCC_FLOAT ??= ""
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CPPFLAGS = ""
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SYSTEMHEADERS = "${target_includedir}"
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SYSTEMLIBS = "${target_base_libdir}/"
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SYSTEMLIBS1 = "${target_libdir}/"
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do_configure_prepend () {
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# teach gcc to find correct target includedir when checking libc ssp support
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mkdir -p ${B}/gcc
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echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${B}/gcc/t-oe
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cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${B}/gcc/defaults.h.new
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cat >>${B}/gcc/defaults.h.new <<_EOF
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#define NATIVE_SYSTEM_HEADER_DIR "${SYSTEMHEADERS}"
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#define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}"
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#define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}"
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#define SYSTEMLIBS_DIR "${SYSTEMLIBS}"
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#endif /* ! GCC_DEFAULTS_H */
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_EOF
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mv ${B}/gcc/defaults.h.new ${B}/gcc/defaults.h
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}
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do_configure () {
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# Setup these vars for cross building only
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# ... because foo_FOR_TARGET apparently gets misinterpreted inside the
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# gcc build stuff when the build is producing a cross compiler - i.e.
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# when the 'current' target is the 'host' system, and the host is not
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# the target (because the build is actually making a cross compiler!)
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if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then
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export CC_FOR_TARGET="${CC}"
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export GCC_FOR_TARGET="${CC}"
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export CXX_FOR_TARGET="${CXX}"
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export AS_FOR_TARGET="${HOST_PREFIX}as"
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export LD_FOR_TARGET="${HOST_PREFIX}ld"
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export NM_FOR_TARGET="${HOST_PREFIX}nm"
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export AR_FOR_TARGET="${HOST_PREFIX}ar"
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export GFORTRAN_FOR_TARGET="gfortran"
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export RANLIB_FOR_TARGET="${HOST_PREFIX}ranlib"
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fi
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export CC_FOR_BUILD="${BUILD_CC}"
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export CXX_FOR_BUILD="${BUILD_CXX}"
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export CFLAGS_FOR_BUILD="${BUILD_CFLAGS}"
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export CPPFLAGS_FOR_BUILD="${BUILD_CPPFLAGS}"
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export CXXFLAGS_FOR_BUILD="${BUILD_CXXFLAGS}"
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export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}"
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export CFLAGS_FOR_TARGET="${TARGET_CFLAGS}"
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export CPPFLAGS_FOR_TARGET="${TARGET_CPPFLAGS}"
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export CXXFLAGS_FOR_TARGET="${TARGET_CXXFLAGS}"
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export LDFLAGS_FOR_TARGET="${TARGET_LDFLAGS}"
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oe_runconf
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}
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