diff options
Diffstat (limited to 'elements/gnu-toolchain/gcc.bst')
| -rw-r--r-- | elements/gnu-toolchain/gcc.bst | 59 |
1 files changed, 40 insertions, 19 deletions
diff --git a/elements/gnu-toolchain/gcc.bst b/elements/gnu-toolchain/gcc.bst index 5c43ca24..6bf6e639 100644 --- a/elements/gnu-toolchain/gcc.bst +++ b/elements/gnu-toolchain/gcc.bst @@ -1,5 +1,8 @@ kind: manual +description: + Full featured native compiler which builds everything after gnu-toolchain.bst + sources: - kind: git url: upstream:gcc-tarball @@ -15,6 +18,23 @@ depends: - gnu-toolchain/zlib.bst - gnu-toolchain/m4-tarball.bst +variables: + 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: /usr/bin:/bin:/usr/sbin:/sbin:/tools/bin:/tools/sbin @@ -30,17 +50,7 @@ config: # 2. Avoid having more than one copy of ZLib in use on the system # 3. Multilib does not make sense in Baserock. - | - 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} \ --prefix="%{prefix}" \ `# [1]` --libdir=%{prefix}/lib \ --disable-bootstrap \ @@ -49,14 +59,7 @@ config: --enable-languages=c,c++,fortran build-commands: - - | - 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 + - cd o && make install-commands: - cd o && make DESTDIR="%{install-root}" install @@ -69,3 +72,21 @@ config: strip-commands: - | %{stage3-strip-binaries} + + (?): + # 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. + - 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 |