repo/core/gcc/build
2022-10-17 14:16:16 +05:30

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#!/bin/sh -e
# Use lib not lib64 by default.
sed '/m64=/s/lib64/lib/' gcc/config/i386/t-linux64 > _
mv -f _ gcc/config/i386/t-linux64
sed 's/lib64/lib/' gcc/config/i386/linux64.h > _
mv -f _ gcc/config/i386/linux64.h
# Build must happen outside of gcc source.
mkdir -p gcc-build
cd gcc-build
# Grab the system's GCC version.
gcc_version=$(gcc -dumpfullversion 2>/dev/null) || gcc_version=null
# Skip the bootstrap process if we are able.
case $2 in "${gcc_version%%.*}"*)
printf '%s\n' "Minor version difference, disabling bootstrap."
bootstrap=--disable-bootstrap
esac
../configure \
libat_cv_have_ifunc=no \
--prefix=/usr \
--libexecdir=/usr/lib \
--mandir=/usr/share/man \
--infodir=/usr/share/info \
--disable-multilib \
--disable-symvers \
--disable-libmpx \
--disable-libmudflap \
--disable-libsanitizer \
--disable-werror \
--disable-fixed-point \
--disable-libstdcxx-pch \
--disable-nls \
--enable-checking=release \
--enable-__cxa_atexit \
--enable-default-pie \
--enable-default-ssp \
--enable-shared \
--enable-threads \
--enable-tls \
--enable-initfini-array \
--enable-languages=c,c++ \
--without-included-gettext \
--with-zstd=no \
--with-system-zlib \
--build=x86_64-pc-linux-musl \
"${bootstrap:---enable-bootstrap}"
make
make install
# Save 35MB.
find "$1" -name libgtkpeer.a -exec rm -f {} +
find "$1" -name libgjsmalsa.a -exec rm -f {} +
find "$1" -name libgij.a -exec rm -f {} +
ln -sf gcc "$1/usr/bin/cc"
cp -f ../c99 "$1/usr/bin"
# Symlink for LTO.
{
mkdir -p "$1/usr/lib/bfd-plugins"
ln -s "/usr/lib/gcc/x86_64-pc-linux-musl/$2/liblto_plugin.so" \
"$1/usr/lib/bfd-plugins/liblto_plugin.so"
}