# SliTaz package receipt.

PACKAGE="gcc"
VERSION="6.3.0"
CATEGORY="development"
SHORT_DESC="The GNU Compiler Collection."
MAINTAINER="pankso@slitaz.org"
LICENSE="GPL2"
TARBALL="$PACKAGE-$VERSION.tar.bz2"
WEB_SITE="http://gcc.gnu.org/"
WGET_URL="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$VERSION/$TARBALL"
TAGS="compiler C"
#HOST_ARCH="i486 arm"

DEPENDS="binutils libgomp libobjc gcc-lib-base mpc-library elfutils"
BUILD_DEPENDS="mpc-library mpfr-dev gmp-dev elfutils-dev"

# Handle cross compilation (native i486/ARM gcc)
case "$ARCH" in
	i?86)
		ARCH_ARGS="--with-tune=$ARCH"
		pkgversion="SliTaz"
		languages="c,c++,objc,fortran" ;;
	arm*)
		pkgversion="SliTaz ARM"
		languages="c,c++" ;;
esac

# What is the latest version available today?
current_version()
{
	wget -O - 'https://gcc.gnu.org/git/?p=gcc.git;a=summary' 2>/dev/null | \
	sed '/ release/!d;s|.*GCC ||;s| release.*||' | sort -Vr | sed q
}

# Rules to configure and make the package.
compile_rules()
{
	# Package slitaz-toolchain use 'cook --options' when rebuilding
	# the full SliTaz toolchain.
	[ "$2" = "--first-pass" ] && opt=$2
	[ "$3" = "--first-pass" ] && opt=$3

	# Use libiberty.a from binutils.
	sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in || return 1

	case "$ARCH" in
		i?86) sed -i 's/^T_CFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in ;;
	esac

	#sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in

	# Allow build gcc 6.3.0 from gcc > 6.3.0
	patch -p1 < $stuff/gcc-6.3.0-ubsan.patch

	mkdir -p ../gcc-build && cd ../gcc-build

	# This is the default GCC and we want a native build to cross compile after.
	# SliTaz target i486 host so we need a native i486 build for GCC.
	case "$opt" in
		--first-pass)
			# Used by slitaz-toolchain when rebuilding the full toolchain.
			echo "cook: configure GCC for: toolchain first pass"
			$src/configure \
				--libexecdir=/usr/lib \
				--disable-nls \
				--enable-shared \
				--enable-languages=c,c++ \
				--disable-libstdcxx-pch \
				--enable-__cxa_atexit \
				--enable-clocale=gnu \
				--enable-threads=posix \
				--disable-bootstrap \
				${CONFIGURE_ARGS} &&
			make && make install ;;
		*)
			# Used by default to produce a full featured X86 GCC compiler.
			echo "cook: configure GCC for: final/full build"
			$src/configure \
				--libexecdir=/usr/lib \
				--enable-nls \
				--enable-languages=${languages} \
				--enable-shared \
				--with-system-zlib \
				--enable-clocale=gnu \
				--enable-objc-gc \
				--enable-__cxa_atexit \
				--enable-lto \
				--enable-threads=posix \
				--disable-bootstrap \
				--with-pkgversion="$pkgversion" \
				${CONFIGURE_ARGS} ${ARCH_ARGS} &&
			make && make install ;;
	esac
}

# Rules to gen a SliTaz package suitable for Tazpkg.
genpkg_rules()
{
	mkdir -p  $fs/usr/share
	cp -a $install/usr/bin $fs/usr

	# Copy all libs. Remove libgcc_s.so and libstdc++.so they goes in
	# the gcc-lib-base package.
	cp -a $install/usr/lib $fs/usr
	rm -f $fs/usr/lib/libgcc_s.so*
	rm -f $fs/usr/lib/libstdc++.so*
	rm -f $fs/usr/lib/libgomp.so*
	rm -f $fs/usr/lib/libobjc.so*

	# Include files.
	cp -a $install/usr/include $fs/usr

	# Gfortran goes in gfortran package.
	rm -f $fs/usr/bin/*gfortran
	rm -f $fs/usr/lib/libgfortran*
	rm -f $fs/usr/lib/gcc/*/$VERSION/libgfortran*
	rm -rf $fs/usr/lib/gcc/*/$VERSION/f*

	# Remove build directory.
	rm -rf $WOK/$PACKAGE/source/$PACKAGE-build
	rm -rf $WOK/$PACKAGE/$PACKAGE-build

	# Ensure remove .la files	
	find $fs/usr/lib -name "lib*.la" -not -path "$fs/usr/lib/gcc/*" -delete
}

# Post install commands for Tazpkg.
post_install()
{
	[ -f "$1/lib/cpp" ] ||
		ln -s ../usr/bin/cpp "$1/lib"
	[ -f "$1/usr/bin/cc" ] ||
		ln -s gcc "$1/usr/bin/cc"
}