mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-25 03:17:13 +00:00
ea7a559290
This isn't as useful as it could be, since gcc-wrapper doesn't know about the gccgo binary so there is no gccgo wrapper script. Since changing gcc-wrapper would lead to a nearly full rebuild, I thing the change to gcc-wrapper should go into stdenv-updates. svn path=/nixpkgs/trunk/; revision=26668
239 lines
8 KiB
Bash
239 lines
8 KiB
Bash
source $stdenv/setup
|
|
|
|
|
|
export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
|
|
mkdir $NIX_FIXINC_DUMMY
|
|
|
|
|
|
# libstdc++ needs this; otherwise it will use /lib/cpp, which is a Bad
|
|
# Thing.
|
|
export CPP="gcc -E"
|
|
export CXXCPP="gcc -E"
|
|
|
|
if test "$staticCompiler" = "1"; then
|
|
EXTRA_LDFLAGS="-static"
|
|
else
|
|
EXTRA_LDFLAGS=""
|
|
fi
|
|
|
|
# GCC interprets empty paths as ".", which we don't want.
|
|
if test -z "$CPATH"; then unset CPATH; fi
|
|
if test -z "$LIBRARY_PATH"; then unset LIBRARY_PATH; fi
|
|
echo "\$CPATH is \`$CPATH'"
|
|
echo "\$LIBRARY_PATH is \`$LIBRARY_PATH'"
|
|
|
|
if test "$noSysDirs" = "1"; then
|
|
|
|
if test -e $NIX_GCC/nix-support/orig-libc; then
|
|
|
|
# Figure out what extra flags to pass to the gcc compilers
|
|
# being generated to make sure that they use our glibc.
|
|
extraFlags="$(cat $NIX_GCC/nix-support/libc-cflags)"
|
|
extraLDFlags="$(cat $NIX_GCC/nix-support/libc-ldflags) $(cat $NIX_GCC/nix-support/libc-ldflags-before)"
|
|
|
|
# Use *real* header files, otherwise a limits.h is generated
|
|
# that does not include Glibc's limits.h (notably missing
|
|
# SSIZE_MAX, which breaks the build).
|
|
export NIX_FIXINC_DUMMY=$(cat $NIX_GCC/nix-support/orig-libc)/include
|
|
|
|
# The path to the Glibc binaries such as `crti.o'.
|
|
glibc_libdir="$(cat $NIX_GCC/nix-support/orig-libc)/lib"
|
|
|
|
else
|
|
# Hack: support impure environments.
|
|
extraFlags="-isystem /usr/include"
|
|
extraLDFlags="-L/usr/lib64 -L/usr/lib"
|
|
glibc_libdir="/usr/lib"
|
|
export NIX_FIXINC_DUMMY=/usr/include
|
|
fi
|
|
|
|
extraFlags="-I$NIX_FIXINC_DUMMY $extraFlags"
|
|
extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
|
|
|
|
EXTRA_FLAGS="$extraFlags"
|
|
for i in $extraLDFlags; do
|
|
EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,$i"
|
|
done
|
|
|
|
if test -n "$targetConfig"; then
|
|
# Cross-compiling, we need gcc not to read ./specs in order to build
|
|
# the g++ compiler (after the specs for the cross-gcc are created).
|
|
# Having LIBRARY_PATH= makes gcc read the specs from ., and the build
|
|
# breaks. Having this variable comes from the default.nix code to bring
|
|
# gcj in.
|
|
unset LIBRARY_PATH
|
|
unset CPATH
|
|
if test -z "$crossStageStatic"; then
|
|
EXTRA_TARGET_CFLAGS="-B${libcCross}/lib -idirafter ${libcCross}/include"
|
|
EXTRA_TARGET_LDFLAGS="-Wl,-L${libcCross}/lib"
|
|
fi
|
|
else
|
|
if test -z "$NIX_GCC_CROSS"; then
|
|
EXTRA_TARGET_CFLAGS="$EXTRA_FLAGS"
|
|
EXTRA_TARGET_LDFLAGS="$EXTRA_LDFLAGS"
|
|
else
|
|
# This the case of cross-building the gcc.
|
|
# We need special flags for the target, different than those of the build
|
|
# Assertion:
|
|
test -e $NIX_GCC_CROSS/nix-support/orig-libc
|
|
|
|
# Figure out what extra flags to pass to the gcc compilers
|
|
# being generated to make sure that they use our glibc.
|
|
extraFlags="$(cat $NIX_GCC_CROSS/nix-support/libc-cflags)"
|
|
extraLDFlags="$(cat $NIX_GCC_CROSS/nix-support/libc-ldflags) $(cat $NIX_GCC_CROSS/nix-support/libc-ldflags-before)"
|
|
|
|
# Use *real* header files, otherwise a limits.h is generated
|
|
# that does not include Glibc's limits.h (notably missing
|
|
# SSIZE_MAX, which breaks the build).
|
|
NIX_FIXINC_DUMMY_CROSS=$(cat $NIX_GCC_CROSS/nix-support/orig-libc)/include
|
|
|
|
# The path to the Glibc binaries such as `crti.o'.
|
|
glibc_libdir="$(cat $NIX_GCC_CROSS/nix-support/orig-libc)/lib"
|
|
|
|
extraFlags="-I$NIX_FIXINC_DUMMY_CROSS $extraFlags"
|
|
extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
|
|
|
|
EXTRA_TARGET_CFLAGS="$extraFlags"
|
|
for i in $extraLDFlags; do
|
|
EXTRA_TARGET_LDFLAGS="$EXTRA_TARGET_LDFLAGS -Wl,$i"
|
|
done
|
|
fi
|
|
fi
|
|
|
|
|
|
# CFLAGS_FOR_TARGET are needed for the libstdc++ configure script to find
|
|
# the startfiles.
|
|
# FLAGS_FOR_TARGET are needed for the target libraries to receive the -Bxxx
|
|
# for the startfiles.
|
|
makeFlagsArray=( \
|
|
"${makeFlagsArray[@]}" \
|
|
NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
|
|
SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
|
|
CFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
|
CFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
|
|
FLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
|
|
LDFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
|
LDFLAGS_FOR_TARGET="$EXTRA_TARGET_LDFLAGS $EXTRA_TARGET_LDFLAGS" \
|
|
)
|
|
|
|
if test -z "$targetConfig"; then
|
|
makeFlagsArray=( \
|
|
"${makeFlagsArray[@]}" \
|
|
BOOT_CFLAGS="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
|
BOOT_LDFLAGS="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
|
|
)
|
|
fi
|
|
|
|
if test -n "$targetConfig" -a "$crossStageStatic" == 1; then
|
|
# We don't want the gcc build to assume there will be a libc providing
|
|
# limits.h in this stagae
|
|
makeFlagsArray=( \
|
|
"${makeFlagsArray[@]}" \
|
|
LIMITS_H_TEST=false \
|
|
)
|
|
else
|
|
makeFlagsArray=( \
|
|
"${makeFlagsArray[@]}" \
|
|
LIMITS_H_TEST=true \
|
|
)
|
|
fi
|
|
fi
|
|
|
|
if test -n "$targetConfig"; then
|
|
# The host strip will destroy some important details of the objects
|
|
dontStrip=1
|
|
fi
|
|
|
|
|
|
preConfigure() {
|
|
if test -n "$newlibSrc"; then
|
|
tar xvf "$newlibSrc" -C ..
|
|
ln -s ../newlib-*/newlib newlib
|
|
# Patch to get armvt5el working:
|
|
sed -i -e 's/ arm)/ arm*)/' newlib/configure.host
|
|
fi
|
|
# Bug - they packaged zlib
|
|
if test -d "zlib"; then
|
|
# This breaks the build without-headers, which should build only
|
|
# the target libgcc as target libraries.
|
|
# See 'configure:5370'
|
|
rm -Rf zlib
|
|
fi
|
|
|
|
# Patch the configure script so it finds glibc headers
|
|
# It's important for example in order not to get libssp built, because it's
|
|
# functionality is in glibc already.
|
|
glibc_headers="$(cat $NIX_GCC/nix-support/orig-libc)/include"
|
|
sed -i \
|
|
-e s,glibc_header_dir=/usr/include,glibc_header_dir=$glibc_headers, \
|
|
gcc/configure
|
|
|
|
if test -n "$crossMingw" -a -n "$crossStageStatic"; then
|
|
mkdir -p ../mingw
|
|
# --with-build-sysroot expects that:
|
|
cp -R $libcCross/include ../mingw
|
|
configureFlags="$configureFlags --with-build-sysroot=`pwd`/.."
|
|
fi
|
|
|
|
# Perform the build in a different directory.
|
|
mkdir ../build
|
|
cd ../build
|
|
configureScript=../$sourceRoot/configure
|
|
}
|
|
|
|
|
|
postConfigure() {
|
|
# Don't store the configure flags in the resulting executables.
|
|
sed -e '/TOPLEVEL_CONFIGURE_ARGUMENTS=/d' -i Makefile
|
|
}
|
|
|
|
|
|
postInstall() {
|
|
# Remove precompiled headers for now. They are very big and
|
|
# probably not very useful yet.
|
|
find $out/include -name "*.gch" -exec rm -rf {} \; -prune
|
|
|
|
# Remove `fixincl' to prevent a retained dependency on the
|
|
# previous gcc.
|
|
rm -rf $out/libexec/gcc/*/*/install-tools
|
|
rm -rf $out/lib/gcc/*/*/install-tools
|
|
|
|
# More dependencies with the previous gcc or some libs (gccbug stores the build command line)
|
|
rm -rf $out/bin/gccbug
|
|
# Take out the bootstrap-tools from the rpath, as it's not needed at all having $out
|
|
for i in $out/libexec/gcc/*/*/*; do
|
|
if PREV_RPATH=`patchelf --print-rpath $i`; then
|
|
patchelf --set-rpath `echo $PREV_RPATH | sed 's,:[^:]*bootstrap-tools/lib,,'` $i
|
|
fi
|
|
done
|
|
|
|
# Get rid of some "fixed" header files
|
|
rm -rf $out/lib/gcc/*/*/include/root
|
|
|
|
# Replace hard links for i686-pc-linux-gnu-gcc etc. with symlinks.
|
|
for i in $out/bin/*-gcc*; do
|
|
if cmp -s $out/bin/gcc $i; then
|
|
ln -sfn gcc $i
|
|
fi
|
|
done
|
|
|
|
for i in $out/bin/c++ $out/bin/*-c++* $out/bin/*-g++*; do
|
|
if cmp -s $out/bin/g++ $i; then
|
|
ln -sfn g++ $i
|
|
fi
|
|
done
|
|
|
|
eval "$postInstallGhdl"
|
|
}
|
|
|
|
|
|
if test -z "$targetConfig" && test -z "$crossConfig"; then
|
|
if test -z "$profiledCompiler"; then
|
|
buildFlags="bootstrap $buildFlags"
|
|
else
|
|
buildFlags="profiledbootstrap $buildFlags"
|
|
fi
|
|
fi
|
|
|
|
genericBuild
|