diff options
Diffstat (limited to 'strata/build-essential/stage1-gcc.morph')
| -rw-r--r-- | strata/build-essential/stage1-gcc.morph | 94 |
1 files changed, 62 insertions, 32 deletions
diff --git a/strata/build-essential/stage1-gcc.morph b/strata/build-essential/stage1-gcc.morph index 0cb03568..ed85b684 100644 --- a/strata/build-essential/stage1-gcc.morph +++ b/strata/build-essential/stage1-gcc.morph @@ -2,47 +2,77 @@ name: stage1-gcc kind: chunk configure-commands: +# Workaround from LFS due GCC not detecting stack protection correctly +- sed -i '/k prot/agcc_cv_libc_provides_ssp=yes' gcc/configure + - mkdir o # Configure flag notes: -# 1. Standard flags. See gcc.morph. -# 2. Disable searching /usr/local/include for headers -# 3. The pass 1 compiler needs to find the libraries we build in pass 2. -# Include path must be set explicility, because it defaults to +# 1. See gcc.morph. +# 2. Although we will be setting a sysroot at runtime, giving a +# temporary one at configuration time seems necessary so that +# `--with-native-system-header-dir` produces effect and +# /tools/include is in the include path for the newly built GCC. We +# set it by default to a non-existent directory to avoid GCC looking +# at the host dirs, in case we forget to give it at runtime. +# 3. Disable searching /usr/local/include for headers +# 4. The pass 1 compiler needs to find the libraries we build in pass +# 2. Include path must be set explicility, because it defaults to # $SYSROOT/usr/include rather than $SYSROOT/include. -# FIXME: this flag is not present until GCC 4.6.3! -# 4. Disable stuff that doesn't work when building a cross compiler +# 5. Disable stuff that doesn't work when building a cross compiler # without an existing libc, and generally try to keep this build as # simple as possible. - | - cd o && - ../configure \ - $(../morph-arch-config) \ - --build=$(sh ../config.guess) --host=$(sh ../config.guess) \ - --target=$TARGET_STAGE1 \ - --prefix="$PREFIX" \ - --disable-bootstrap --disable-nls \ - `# [1]` --libdir="$PREFIX/lib" --disable-multilib --disable-libgomp \ - --without-cloog --without-ppl \ - --with-mpfr-include="$(pwd)/../mpfr/src" \ - --with-mpfr-lib="$(pwd)/mpfr/src/.libs" \ - `# [2]` --with-local-prefix="$PREFIX" \ - `# [3]` --with-native-system-header-dir="$PREFIX/include" \ - `# [4]` --enable-languages=c --disable-decimal-float \ - --disable-libmudflap --disable-libquadmath --disable-libssp \ - --disable-shared --disable-threads --disable-target-libiberty \ - --disable-target-zlib --without-headers --with-newlib \ - --with-system-zlib + case "$MORPH_ARCH" in + armv7lhf) ARCH_FLAGS="--with-arch=armv7-a \ + --with-cpu=cortex-a9 \ + --with-tune=cortex-a9 \ + --with-fpu=vfpv3-d16 \ + --with-float=hard" ;; + armv7*) ARCH_FLAGS="--with-arch=armv7-a" ;; + esac + + cd o && ../configure \ + $ARCH_FLAGS \ + --build=$(sh ../config.guess) \ + --host=$(sh ../config.guess) \ + --target=$TARGET_STAGE1 \ + --prefix="$PREFIX" \ + `# [1]` --libdir="$PREFIX/lib" \ + `# [2]` --with-sysroot=/nonexistentdir \ + --with-newlib \ + `# [3]` --with-local-prefix="$PREFIX" \ + `# [4]` --with-native-system-header-dir="$PREFIX/include" \ + --without-headers \ + --disable-nls \ + --disable-shared \ + --disable-multilib \ + `# [5]` --disable-decimal-float \ + `# [5]` --disable-threads \ + `# [5]` --disable-libatomic \ + `# [5]` --disable-libgomp \ + `# [5]` --disable-libitm \ + `# [5]` --disable-libquadmath \ + `# [5]` --disable-libsanitizer \ + `# [5]` --disable-libssp \ + `# [5]` --disable-libvtv \ + `# [5]` --disable-libcilkrts \ + `# [5]` --disable-libstdc++-v3 \ + --enable-languages=c,c++ build-commands: -- cd o && make +- | + # GCC is not passing the correct host/target flags to GMP's configure + # script, which causes it to not use the machine-dependent code for + # the platform and use the generic one instead. However, the generic + # code results on an undefined reference to `__gmpn_invert_limb' in + # ARMv7. Fix the invocation of GMP's configure script so that GMP can + # use the machine-dependent code. + case "$MORPH_ARCH" in + armv7*) sed -i "s/--host=none/--host=armv7a/" o/Makefile + sed -i "s/--target=none/--target=armv7a/" o/Makefile ;; + esac + cd o && make install-commands: - cd o && make DESTDIR="$DESTDIR" install - -# The file libgcc_eh is required during eglibc's build, but is not created -# because we built GCC with --disable-shared. This is a workaround for -# eglibc's build system being slightly broken. -- | - libgcc_filename=$($DESTDIR$PREFIX/bin/$TARGET_STAGE1-gcc -print-libgcc-file-name) - ln -sv libgcc.a $(echo $libgcc_filename | sed 's/libgcc/&_eh/') |