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name: stage2-gcc
kind: chunk
configure-commands:
- mkdir o
# In other projects we specify the sysroot location using CPPFLAGS.
# Here, that breaks because GCC compiles stuff for the *build* machine,
# too ... and this requires using the host's compiler, which cannot use
# the same set of CPPFLAGS as the target. If we specify the sysroot
# using CC instead then we don't interfere, because we are only
# specifying the *host* C compiler.
#
# Configure flag notes:
# 1. It's vital that this compiler runs in the bootstrap machine, and
# targets the same machine (TARGET_STAGE1) so that the stage 1 GCC
# is used instead of the compiler of the build machine.
# 2. See gcc.morph.
# 3. Disable searching /usr/local/include for headers
# 4. This flag causes the correct --sysroot flag to be passed when
# calling stage 1 GCC.
- |
export STAGE2_SYSROOT="$(dirname $(pwd))"
export CC="$TARGET_STAGE1-gcc --sysroot=$STAGE2_SYSROOT"
export CXX="$TARGET_STAGE1-g++ --sysroot=$STAGE2_SYSROOT"
export AR="$TARGET_STAGE1-ar"
export RANLIB="$TARGET_STAGE1-ranlib"
cd o && ../configure \
$(../morph-arch-config) \
--build=$(sh ../config.guess) \
`# [1]` --host=$TARGET_STAGE1 \
`# [1]` --target=$TARGET_STAGE1 \
--prefix="$PREFIX" \
`# [2]` --libdir=$PREFIX/lib \
`# [3]` --with-local-prefix=$PREFIX \
`# [4]` --with-build-sysroot="$STAGE2_SYSROOT" \
--disable-bootstrap \
--disable-nls \
--disable-multilib \
--disable-libgomp \
--disable-libstdcxx-pch \
--enable-languages=c,c++
build-commands:
- |
case "$MORPH_ARCH" in
armv7*) sed -i "s/--host=none/--host=armv7a/" o/Makefile
sed -i "s/--target=none/--target=armv7a/" o/Makefile ;;
esac
export STAGE2_SYSROOT="$(dirname $(pwd))"
cd o && make
install-commands:
- cd o && make DESTDIR="$DESTDIR" install
# Stage 3 builds need to link against this file in the location that
# it will be in the final system, so we make a temporary link now.
#
# On x86_64 GCC resolutely installs its libraries into lib64. To fix this
# would require hobbling the MULTILIB_OSDIRNAMES field in
# gcc/config/i386/t-linux64 and this might break things, so for now we
# tolerate the inconsistency.
- |
if [ "$(echo $TARGET | cut -c -6)" = "x86_64" ]; then
libdir=lib64
else
libdir=lib
fi
install -d "$DESTDIR/lib"
ln -s "$PREFIX/$libdir/libgcc_s.so" "$DESTDIR/lib/"
ln -s "$PREFIX/$libdir/libgcc_s.so.1" "$DESTDIR/lib/"
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