fd38b5fa49
This reverts commits cb7c053383ff76a454484992b3a6d6a2f1530c15, ebda45e6b9db3225c30a998b2624d90b0c08edb4, 4a495cfbab2b3ab9ae8219ef1812c766bf27b01e because they broke Nixpkgs evaluation. http://hydra.nixos.org/build/24813270
256 lines
8.9 KiB
Bash
256 lines
8.9 KiB
Bash
source $stdenv/setup
|
||
|
||
|
||
export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
|
||
mkdir $NIX_FIXINC_DUMMY
|
||
|
||
|
||
if test "$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 $NIX_CC/nix-support/orig-libc; then
|
||
|
||
# Figure out what extra flags to pass to the gcc compilers
|
||
# being generated to make sure that they use our glibc.
|
||
extraFlags="$(cat $NIX_CC/nix-support/libc-cflags)"
|
||
extraLDFlags="$(cat $NIX_CC/nix-support/libc-ldflags) $(cat $NIX_CC/nix-support/libc-ldflags-before)"
|
||
|
||
# Use *real* header files, otherwise a limits.h is generated
|
||
# that does not include Glibc's limits.h (notably missing
|
||
# SSIZE_MAX, which breaks the build).
|
||
export NIX_FIXINC_DUMMY=$(cat $NIX_CC/nix-support/orig-libc)/include
|
||
|
||
# The path to the Glibc binaries such as `crti.o'.
|
||
glibc_libdir="$(cat $NIX_CC/nix-support/orig-libc)/lib"
|
||
|
||
else
|
||
# Hack: support impure environments.
|
||
extraFlags="-isystem /usr/include"
|
||
extraLDFlags="-L/usr/lib64 -L/usr/lib"
|
||
glibc_libdir="/usr/lib"
|
||
export NIX_FIXINC_DUMMY=/usr/include
|
||
fi
|
||
|
||
extraFlags="-I$NIX_FIXINC_DUMMY $extraFlags"
|
||
extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
|
||
|
||
# BOOT_CFLAGS defaults to `-g -O2'; since we override it below,
|
||
# make sure to explictly add them so that files compiled with the
|
||
# bootstrap compiler are optimized and (optionally) contain
|
||
# debugging information (info "(gccinstall) Building").
|
||
if test -n "$dontStrip"; then
|
||
extraFlags="-O2 -g $extraFlags"
|
||
else
|
||
# Don't pass `-g' at all; this saves space while building.
|
||
extraFlags="-O2 $extraFlags"
|
||
fi
|
||
|
||
EXTRA_FLAGS="$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 -Wl,-rpath,${libcCross}/lib -Wl,-rpath-link,${libcCross}/lib"
|
||
fi
|
||
else
|
||
if test -z "$NIX_CC_CROSS"; then
|
||
EXTRA_TARGET_CFLAGS="$EXTRA_FLAGS"
|
||
EXTRA_TARGET_CXXFLAGS="$EXTRA_FLAGS"
|
||
EXTRA_TARGET_LDFLAGS="$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 $NIX_CC_CROSS/nix-support/orig-libc
|
||
|
||
# Figure out what extra flags to pass to the gcc compilers
|
||
# being generated to make sure that they use our glibc.
|
||
extraFlags="$(cat $NIX_CC_CROSS/nix-support/libc-cflags)"
|
||
extraLDFlags="$(cat $NIX_CC_CROSS/nix-support/libc-ldflags) $(cat $NIX_CC_CROSS/nix-support/libc-ldflags-before)"
|
||
|
||
# Use *real* header files, otherwise a limits.h is generated
|
||
# that does not include Glibc's limits.h (notably missing
|
||
# SSIZE_MAX, which breaks the build).
|
||
NIX_FIXINC_DUMMY_CROSS=$(cat $NIX_CC_CROSS/nix-support/orig-libc)/include
|
||
|
||
# The path to the Glibc binaries such as `crti.o'.
|
||
glibc_dir="$(cat $NIX_CC_CROSS/nix-support/orig-libc)"
|
||
glibc_libdir="$glibc_dir/lib"
|
||
configureFlags="$configureFlags --with-native-system-header-dir=$glibc_dir/include"
|
||
|
||
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,$i"
|
||
done
|
||
fi
|
||
fi
|
||
|
||
# CFLAGS_FOR_TARGET are needed for the libstdc++ configure script to find
|
||
# the startfiles.
|
||
# FLAGS_FOR_TARGET are needed for the target libraries to receive the -Bxxx
|
||
# for the startfiles.
|
||
makeFlagsArray+=( \
|
||
NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
|
||
SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
|
||
CFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
||
CXXFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
||
CFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
|
||
CXXFLAGS_FOR_TARGET="$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+=( \
|
||
BOOT_CFLAGS="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
|
||
BOOT_LDFLAGS="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
|
||
)
|
||
fi
|
||
|
||
if test -n "$targetConfig" -a "$crossStageStatic" == 1; then
|
||
# We don't want the gcc build to assume there will be a libc providing
|
||
# limits.h in this stagae
|
||
makeFlagsArray+=( \
|
||
LIMITS_H_TEST=false \
|
||
)
|
||
else
|
||
makeFlagsArray+=( \
|
||
LIMITS_H_TEST=true \
|
||
)
|
||
fi
|
||
fi
|
||
|
||
if test -n "$targetConfig"; then
|
||
# The host strip will destroy some important details of the objects
|
||
dontStrip=1
|
||
fi
|
||
|
||
providedPreConfigure="$preConfigure";
|
||
preConfigure() {
|
||
if test -n "$newlibSrc"; then
|
||
tar xvf "$newlibSrc" -C ..
|
||
ln -s ../newlib-*/newlib newlib
|
||
# Patch to get armvt5el working:
|
||
sed -i -e 's/ arm)/ arm*)/' newlib/configure.host
|
||
fi
|
||
|
||
# Bug - they packaged zlib
|
||
if test -d "zlib"; then
|
||
# This breaks the build without-headers, which should build only
|
||
# the target libgcc as target libraries.
|
||
# See 'configure:5370'
|
||
rm -Rf zlib
|
||
fi
|
||
|
||
if test -f "$NIX_CC/nix-support/orig-libc"; then
|
||
# Patch the configure script so it finds glibc headers. It's
|
||
# important for example in order not to get libssp built,
|
||
# because its functionality is in glibc already.
|
||
glibc_headers="$(cat $NIX_CC/nix-support/orig-libc)/include"
|
||
sed -i \
|
||
-e "s,glibc_header_dir=/usr/include,glibc_header_dir=$glibc_headers", \
|
||
gcc/configure
|
||
fi
|
||
|
||
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
|
||
|
||
# Eval the preConfigure script from nix expression.
|
||
eval "$providedPreConfigure"
|
||
|
||
# Perform the build in a different directory.
|
||
mkdir ../build
|
||
cd ../build
|
||
configureScript=../$sourceRoot/configure
|
||
}
|
||
|
||
|
||
postConfigure() {
|
||
# Don't store the configure flags in the resulting executables.
|
||
sed -e '/TOPLEVEL_CONFIGURE_ARGUMENTS=/d' -i Makefile
|
||
}
|
||
|
||
|
||
preInstall() {
|
||
# Make ‘lib64’ a symlink to ‘lib’.
|
||
if [ -n "$is64bit" -a -z "$enableMultilib" ]; then
|
||
mkdir -p $out/lib
|
||
ln -s lib $out/lib64
|
||
fi
|
||
}
|
||
|
||
|
||
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
|
||
|
||
# Disable RANDMMAP on grsec, which causes segfaults when using
|
||
# precompiled headers.
|
||
# See https://bugs.gentoo.org/show_bug.cgi?id=301299#c31
|
||
paxmark r $out/libexec/gcc/*/*/{cc1,cc1plus}
|
||
|
||
eval "$postInstallGhdl"
|
||
}
|
||
|
||
genericBuild
|