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Diffstat (limited to 'chunks/stage2-gcc.morph')
-rw-r--r-- | chunks/stage2-gcc.morph | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/chunks/stage2-gcc.morph b/chunks/stage2-gcc.morph new file mode 100644 index 00000000..9beb366d --- /dev/null +++ b/chunks/stage2-gcc.morph @@ -0,0 +1,76 @@ +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 targets the bootstrap machine +# (TARGET_STAGE1) so that the stage 1 GCC is used instead of the +# compiler of the build machine. +# 2. Disable searching /usr/local/include for headers +# 3. This flag causes the correct --sysroot flag to be passed when calling +# stage 1 GCC. +# 4. C++ is built in stage 3. +# 5. Standard flags. See gcc.morph. +- | + export STAGE2_SYSROOT="$(dirname $(pwd))" + export CC="$TARGET_STAGE1-gcc --sysroot=$STAGE2_SYSROOT" + export LDFLAGS="-Wl,--sysroot=$STAGE2_SYSROOT" + case "$MORPH_ARCH" in + armv7lhf) ARCH_CONFIG="--with-arch=armv7-a \ + --with-cpu=cortex-a9 \ + --with-tune=cortex-a9 \ + --with-fpu=vfpv3-d16 \ + --with-float=hard" ;; + armv7*) ARCH_CONFIG="--with-arch=armv7-a" ;; + esac + cd o && ../configure \ + $ARCH_CONFIG \ + `# [1]` --build=$(sh ../config.guess) \ + --host=$TARGET_STAGE1 \ + --target=$TARGET_STAGE1 \ + --prefix="$PREFIX" \ + `# [2]` --with-local-prefix=$PREFIX \ + `# [3]` --with-build-sysroot="$STAGE2_SYSROOT" \ + --disable-bootstrap \ + --enable-clocale=gnu --enable-shared --enable-threads=posix \ + `# [4]` --enable-languages=c \ + `# [5]` --libdir=$PREFIX/lib \ + --disable-libgomp --disable-multilib --disable-nls \ + --without-cloog --without-ppl \ + --with-mpfr-include="$(pwd)/../mpfr/src" \ + --with-mpfr-lib="$(pwd)/mpfr/src/.libs" + +build-commands: +- | + 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/" |