PR = "r2"

inherit autotools gettext

DESCRIPTION = "The GNU cc and gcc C compilers."
HOMEPAGE = "http://www.gnu.org/software/gcc/"
SECTION = "devel"
LICENSE = "GPL"
MAINTAINER = "Gerald Britton <gbritton@doomcom.org>"

# libgcc libstdc++ libg2c are listed in our FILES_*, but are actually
# packaged in the respective cross packages.
PACKAGES = "${PN} ${PN}-symlinks \
            ${PN}-c++ ${PN}-c++-symlinks \
            ${PN}-f77 ${PN}-f77-symlinks \
            libstdc++-dev libg2c-dev \
            ${PN}-doc"

FILES_${PN} = "${bindir}/${TARGET_PREFIX}gcc \
	       ${bindir}/${TARGET_PREFIX}cpp \
	       ${bindir}/${TARGET_PREFIX}gcov \
	       ${bindir}/${TARGET_PREFIX}gccbug \
	       ${libexecdir}/gcc/${TARGET_SYS}/${PV}/cc1 \
	       ${libexecdir}/gcc/${TARGET_SYS}/${PV}/collect2 \
	       ${libdir}/gcc/${TARGET_SYS}/${PV}/*.o \
	       ${libdir}/gcc/${TARGET_SYS}/${PV}/specs \
	       ${libdir}/gcc/${TARGET_SYS}/${PV}/lib* \
	       ${libdir}/gcc/${TARGET_SYS}/${PV}/include"

FILES_${PN}-symlinks = "${bindir}/cc \
			${bindir}/gcc \
			${bindir}/cpp \
			${bindir}/gcov \
			${bindir}/gccbug"

FILES_${PN}-f77 = "${bindir}/${TARGET_PREFIX}g77 \
		   ${libexecdir}/gcc/${TARGET_SYS}/${PV}/f771"

FILES_${PN}-f77-symlinks = "${bindir}/g77 \
			    ${bindir}/f77"

# Called from within gcc-cross, so libdir is set wrong
#FILES_libg2c = "${libdir}/libg2c.so.*"
FILES_libg2c = "/usr/lib/libg2c.so.*"

FILES_libg2c-dev = "${libdir}/libg2c.so \
			  ${libdir}/libg2c.a \
			  ${libdir}/libfrtbegin.a"

FILES_${PN}-c++ = "${bindir}/${TARGET_PREFIX}g++ \
		   ${libexecdir}/gcc/${TARGET_SYS}/${PV}/cc1plus"

FILES_${PN}-c++-symlinks = "${bindir}/c++ \
			    ${bindir}/g++"

FILES_libgcc = "/lib/libgcc_s.so.*"

# Called from within gcc-cross, so libdir is set wrong
#FILES_libstdc++ = "${libdir}/libstdc++.so.*"
FILES_libstdc++ = "/usr/lib/libstdc++.so.*"

FILES_libstdc++-dev = "${includedir}/c++/${PV} \
		       ${libdir}/libstdc++.so \
		       ${libdir}/libstdc++.la \
		       ${libdir}/libstdc++.a \
		       ${libdir}/libsupc++.la \
		       ${libdir}/libsupc++.a"

FILES_${PN}-doc = "${infodir} \
		   ${mandir} \
		   ${libdir}/gcc/${TARGET_SYS}/${PV}/include/README"

SRC_URI = "${GNU_MIRROR}/gcc/gcc-${PV}/gcc-${PV}.tar.bz2 \
	   file://gcc34-reverse-compare.patch;patch=1 \
	   file://gcc34-arm-ldm.patch;patch=1 \
	   file://gcc34-arm-ldm-peephole.patch;patch=1 \
	   file://gcc34-arm-tune.patch;patch=1 \
	   file://gcc-3.4.1-uclibc-100-conf.patch;patch=1 \
	   file://gcc-3.4.1-uclibc-200-locale.patch;patch=1 \
	   file://gcc-3.4.0-arm-lib1asm.patch;patch=1 \
	   file://gcc-3.4.0-arm-nolibfloat.patch;patch=1 \
	   file://gcc-3.4.0-arm-bigendian.patch;patch=1 \
	   file://gcc-3.4.0-arm-bigendian-uclibc.patch;patch=1"

MIRRORS_prepend () {
${GNU_MIRROR}/gcc/	http://gcc.get-software.com/releases/
${GNU_MIRROR}/gcc/	http://mirrors.rcn.net/pub/sourceware/gcc/releases/
}

S = "${WORKDIR}/gcc-${PV}"
B = "${S}/build.${HOST_SYS}.${TARGET_SYS}"

EXTRA_OECONF = "${@['--enable-clocale=generic', ''][oe.data.getVar('USE_NLS', d, 1) != 'no']} \
                --with-gnu-ld \
                --enable-shared \
                --enable-target-optspace \
                --enable-languages=c,c++,f77 \
                --enable-threads=posix \
                --enable-multilib \
                --enable-c99 \
                --enable-long-long \
                --enable-symvers=gnu \
                --program-prefix=${TARGET_PREFIX} \
                ${EXTRA_OECONF_PATHS} \
                ${EXTRA_OECONF_DEP}"

EXTRA_OECONF_PATHS = "--with-local-prefix=${prefix}/local \
                      --with-gxx-include-dir=${includedir}/c++/${PV}"

EXTRA_OECONF_DEP = ""
EXTRA_OECONF_uclibc = "--disable-__cxa_atexit"
EXTRA_OECONF_glibc = "--enable-__cxa_atexit"
EXTRA_OECONF += "${@get_gcc_fpu_setting(oe, d)}"

def get_gcc_fpu_setting(oe, d):
	if oe.data.getVar('TARGET_FPU', d, 1) in [ 'soft' ]:
		return "--with-float=soft"
	return ""

python __anonymous () {
    import oe, re
    if (re.match('linux-uclibc$', oe.data.getVar('TARGET_OS', d, 1)) != None):
        oe.data.setVar('EXTRA_OECONF_DEP', '${EXTRA_OECONF_uclibc}', d)
    elif (re.match('linux$', oe.data.getVar('TARGET_OS', d, 1)) != None):
        oe.data.setVar('EXTRA_OECONF_DEP', '${EXTRA_OECONF_glibc}', d)
}

CPPFLAGS = ""
do_configure () {
	# Setup these vars for cross building only
	if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then
		export CC_FOR_TARGET="${CCACHE} ${HOST_PREFIX}gcc"
		export GCC_FOR_TARGET="${CCACHE} ${HOST_PREFIX}gcc"
		export CXX_FOR_TARGET="${CCACHE} ${HOST_PREFIX}g++"
		export AS_FOR_TARGET="${HOST_PREFIX}as"
		export LD_FOR_TARGET="${HOST_PREFIX}ld"
		export NM_FOR_TARGET="${HOST_PREFIX}nm"
		export AR_FOR_TARGET="${HOST_PREFIX}ar"
		export RANLIB_FOR_TARGET="${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}"
	(cd ${S} && gnu-configize) || die "failure running gnu-configize"
	oe_runconf
}

do_install () {
	autotools_do_install

	# Cleanup some of the /usr/lib{,exec}/gcc stuff ...
	rm -r ${D}/${libdir}/gcc/${TARGET_SYS}/${PV}/install-tools
	rm -r ${D}/${libexecdir}/gcc/${TARGET_SYS}/${PV}/install-tools

	# Hack around specs file assumptions
	sed -i -e '/^*cross_compile:$/ { n; s/1/0/; }' ${D}/${libdir}/gcc/${TARGET_SYS}/${PV}/specs

	# Move libgcc_s into /lib
	mkdir -p ${D}/lib
	mv ${D}/${libdir}/libgcc_s.so.* ${D}/lib
	rm ${D}/${libdir}/libgcc_s.so
	ln -sf `echo ${libdir}/gcc/${TARGET_SYS}/${PV} \
		| tr -s / \
		| sed -e 's,^/,,' -e 's,[^/]*,..,g'`/lib/libgcc_s.so.? \
		      ${D}/${libdir}/gcc/${TARGET_SYS}/${PV}/libgcc_s.so

	# We don't need libtool libraries
	rm ${D}/${libdir}/libg2c.la

	# Cleanup manpages..
	rm -r ${D}/${mandir}/man7

	# We use libiberty from binutils
	rm ${D}/${libdir}/libiberty.a

	cd ${D}/${bindir}

	# We care about g++ not c++
	rm *c++

	# We don't care about the gcc-<version> ones for this
	rm *gcc-?.?*

	# These sometimes show up, they are strange, we remove them
	rm -f ${TARGET_ARCH}-*${TARGET_ARCH}-*

	# Symlinks so we can use these trivially on the target
	ln -sf ${TARGET_SYS}-g77 g77
	ln -sf ${TARGET_SYS}-g++ g++
	ln -sf ${TARGET_SYS}-gcc gcc
	ln -sf g77 f77
	ln -sf g++ c++
	ln -sf gcc cc
}