diff options
Diffstat (limited to 'elements/gnu-toolchain/stage1-gcc.bst')
| -rw-r--r-- | elements/gnu-toolchain/stage1-gcc.bst | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/elements/gnu-toolchain/stage1-gcc.bst b/elements/gnu-toolchain/stage1-gcc.bst index 4df5fde7..75c65990 100644 --- a/elements/gnu-toolchain/stage1-gcc.bst +++ b/elements/gnu-toolchain/stage1-gcc.bst @@ -1,5 +1,8 @@ kind: autotools +description: + Simple cross compiler which is used to build all of stage2. + sources: - kind: git url: upstream:gcc-tarball @@ -12,10 +15,26 @@ depends: variables: prefix: /tools + gcc-arch-flags: '' + + (?): + # ARM platforms vary a lot even within a single architecture revision, + # and require tweaks such as this to produce a useful compiler. + # This is a default configuration that has worked for some targets. + - arch in ["armv7b", "armv7l"]: + gcc-arch-flags: --with-arch=armv7-a + - arch in ["armv7blhf", "armv7lhf"]: + gcc-arch-flags: > + --with-arch=armv7-a + --with-cpu=cortex-a9 + --with-tune=cortex-a9 + --with-fpu=vfpv3-d16 + --with-float=hard environment: PATH: /tools/bin:/tools/sbin:/usr/bin:/bin:/usr/sbin:/sbin + config: configure-commands: # Workaround from LFS due GCC not detecting stack protection correctly @@ -42,17 +61,8 @@ config: # without an existing libc, and generally try to keep this build as # simple as possible. - | - case "%{bst-target-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 \ - $ARCH_FLAGS \ + cd o && ../configure %{gcc-arch-flags} \ --build=$(sh ../config.guess) \ --host=$(sh ../config.guess) \ --target=%{target-stage1} \ @@ -81,20 +91,25 @@ config: --enable-languages=c,c++ build-commands: - - | + - cd o && make + + install-commands: + - cd o && make DESTDIR="%{install-root}" install + + (?): # 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 "%{bst-target-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="%{install-root}" install + - arch.startswith("armv5"): + build-commands: + (<): + - sed -i "s/--host=none/--host=armv5/" o/Makefile; + - sed -i "s/--target=none/--target=armv5/" o/Makefile + - arch.startswith("armv7"): + build-commands: + (<): + - sed -i "s/--host=none/--host=armv7a/" o/Makefile + - sed -i "s/--target=none/--target=armv7a/" o/Makefile |