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Diffstat (limited to 'baserock/strata/build-essential/stage1-gcc.morph')
| -rw-r--r-- | baserock/strata/build-essential/stage1-gcc.morph | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/baserock/strata/build-essential/stage1-gcc.morph b/baserock/strata/build-essential/stage1-gcc.morph new file mode 100644 index 00000000..6418ed6a --- /dev/null +++ b/baserock/strata/build-essential/stage1-gcc.morph @@ -0,0 +1,83 @@ +name: stage1-gcc +kind: chunk + +configure-commands: +# Workaround from LFS due GCC not detecting stack protection correctly +- | + sed -i -e '/k prot/a \ + gcc_cv_libc_provides_ssp=yes + ' gcc/configure + +- mkdir o + +# Configure flag notes: +# 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 $SYSROOT/include. +# 5. Disable stuff that doesn't work when building a cross compiler +# without an existing libc, and generally try to keep this build as +# simple as possible. +- | + case "$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: +- | + # 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 "$MORPH_ARCH" in + armv5*) sed -i "s/--host=none/--host=armv5/" o/Makefile + sed -i "s/--target=none/--target=armv5/" o/Makefile ;; + armv7*) sed -i "s/--host=none/--host=armv7a/" o/Makefile + sed -i "s/--target=none/--target=armv7a/" o/Makefile ;; + esac + cd o && make + +install-commands: +- cd o && make DESTDIR="$DESTDIR" install |