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kind: manual
description:
Full featured native compiler which builds everything after gnu-toolchain.bst
sources:
- kind: git
url: upstream:gcc-tarball
track: baserock/gcc-7.1.0
ref: 3b0dbcfa2e5d12bd80cab1b35f08653d61fe7838
depends:
- filename: gnu-toolchain/stage2.bst
type: build
- gnu-toolchain/fhs-dirs.bst
- gnu-toolchain/linux-api-headers.bst
- gnu-toolchain/glibc.bst
- 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
config:
configure-commands:
- mkdir o
# Configure flag notes:
# 1. An attempt to stop anything going in %{prefix}/lib64 (which doesn't
# fully work; we will need to hobble the multilib configuration in
# config/i386/t-linux64 if we really want to kill /lib64).
# 2. Avoid having more than one copy of ZLib in use on the system
# 3. Multilib does not make sense in Baserock.
- |
cd o && ../configure %{gcc-arch-flags} \
--prefix="%{prefix}" \
`# [1]` --libdir=%{prefix}/lib \
--disable-bootstrap \
`# [2]` --with-system-zlib \
`# [3]` --disable-multilib \
--enable-languages=c,c++,fortran \
--build=%{target} \
--host=%{target} \
--target=%{target}
build-commands:
- cd o && make
install-commands:
- cd o && make DESTDIR="%{install-root}" install
- ln -s gcc "%{install-root}%{prefix}/bin/cc"
- |
for fortran_alias in f77 f90 f95; do
ln -s gfortran "%{install-root}%{prefix}/bin/$fortran_alias"
done
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
|
