termux-packages/packages/gcc/build.sh

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TERMUX_PKG_HOMEPAGE=http://gcc.gnu.org/
TERMUX_PKG_DESCRIPTION="GNU C compiler"
TERMUX_PKG_DEPENDS="binutils, libgmp, libmpfr, libmpc, ndk-sysroot, libgcc, libisl, libgnustl"
TERMUX_PKG_VERSION=6.1.0
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TERMUX_PKG_BUILD_REVISION=2
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TERMUX_PKG_SRCURL=ftp://ftp.gnu.org/gnu/gcc/gcc-${TERMUX_PKG_VERSION}/gcc-${TERMUX_PKG_VERSION}.tar.bz2
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TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--enable-languages=c,c++ --with-system-zlib --disable-multilib --disable-lto"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --target=$TERMUX_HOST_PLATFORM"
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TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-gmp=$TERMUX_PREFIX --with-mpfr=$TERMUX_PREFIX --with-mpc=$TERMUX_PREFIX"
# To build gcc as a PIE binary:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-stage1-ldflags=\"-specs=$TERMUX_SCRIPTDIR/termux.spec\""
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-isl-include=$TERMUX_PREFIX/include --with-isl-lib=$TERMUX_PREFIX/lib"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --disable-isl-version-check"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --disable-tls"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --enable-host-shared"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --enable-default-pie"
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if [ "$TERMUX_ARCH" = "arm" ]; then
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TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-arch=armv7-a --with-fpu=neon --with-float=softfp"
elif [ "$TERMUX_ARCH" = "aarch64" ]; then
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-arch=armv8-a"
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elif [ "$TERMUX_ARCH" = "i686" ]; then
# -mstackrealign -msse3 -m32
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --with-arch=i686 --with-tune=atom --with-fpmath=sse"
fi
TERMUX_PKG_RM_AFTER_INSTALL="bin/gcc-ar bin/gcc-ranlib bin/*c++ bin/gcc-nm lib/gcc/*-linux-*/${TERMUX_PKG_VERSION}/plugin lib/gcc/*-linux-*/${TERMUX_PKG_VERSION}/include-fixed lib/gcc/*-linux-*/$TERMUX_PKG_VERSION/install-tools libexec/gcc/*-linux-*/${TERMUX_PKG_VERSION}/plugin libexec/gcc/*-linux-*/${TERMUX_PKG_VERSION}/install-tools share/man/man7"
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export AR_FOR_TARGET="$AR"
export AS_FOR_TARGET="$AS"
export CC_FOR_TARGET="$CC"
export CFLAGS_FOR_TARGET="$CFLAGS"
export CPP_FOR_TARGET="$CPP"
export CPPFLAGS_FOR_TARGET="$CPPFLAGS"
export CXXFLAGS_FOR_TARGET="$CXXFLAGS"
export CXX_FOR_TARGET="$CXX"
export LDFLAGS_FOR_TARGET="$LDFLAGS"
export LD_FOR_TARGET="$LD"
export PKG_CONFIG_FOR_TARGET="$PKG_CONFIG"
export RANLIB_FOR_TARGET="$RANLIB"
unset AR
unset AS
unset CC
unset CFLAGS
unset CPP
unset CPPFLAGS
unset CXXFLAGS
unset CXX
unset LDFLAGS
unset LD
unset PKG_CONFIG
unset RANLIB
termux_step_make () {
make -j $TERMUX_MAKE_PROCESSES all-gcc
}
termux_step_make_install () {
make install-gcc
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}
termux_step_post_make_install () {
# Android 5.0 only supports PIE binaries, so build that by default with a specs file:
local GCC_SPECS=$TERMUX_PREFIX/lib/gcc/$TERMUX_HOST_PLATFORM/$TERMUX_PKG_VERSION/specs
cp $TERMUX_SCRIPTDIR/termux.spec $GCC_SPECS
if [ $TERMUX_ARCH = "i686" ]; then
# See https://github.com/termux/termux-packages/issues/3
# and https://github.com/termux/termux-packages/issues/14
cat >> $GCC_SPECS <<HERE
*link_emulation:
elf_i386
*dynamic_linker:
/system/bin/linker
HERE
fi
# Replace hardlinks with symlinks:
cd $TERMUX_PREFIX/bin
rm ${TERMUX_HOST_PLATFORM}-g++; ln -s g++ ${TERMUX_HOST_PLATFORM}-g++
rm ${TERMUX_HOST_PLATFORM}-gcc; ln -s gcc ${TERMUX_HOST_PLATFORM}-gcc
rm ${TERMUX_HOST_PLATFORM}-gcc-${TERMUX_PKG_VERSION}; ln -s gcc ${TERMUX_HOST_PLATFORM}-gcc-${TERMUX_PKG_VERSION}
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}