mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-22 21:53:32 +00:00
b14db1b0ba
54282b9610 tread carefuly to avoid a mass
rebuild. This embraces the mass rebuild to clean things up.
295 lines
9.7 KiB
Bash
295 lines
9.7 KiB
Bash
source $stdenv/setup
|
||
|
||
|
||
oldOpts="$(shopt -po nounset)" || true
|
||
set -euo pipefail
|
||
|
||
|
||
export NIX_FIXINC_DUMMY="$NIX_BUILD_TOP/dummy"
|
||
mkdir "$NIX_FIXINC_DUMMY"
|
||
|
||
|
||
if test "$staticCompiler" = "1"; then
|
||
EXTRA_LDFLAGS="-static"
|
||
else
|
||
EXTRA_LDFLAGS="-Wl,-rpath,${!outputLib}/lib"
|
||
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 "$noSysDirs" = "1"; then
|
||
|
||
declare \
|
||
EXTRA_BUILD_FLAGS EXTRA_FLAGS EXTRA_TARGET_FLAGS \
|
||
EXTRA_BUILD_LDFLAGS EXTRA_TARGET_LDFLAGS
|
||
|
||
# Extract flags from Bintools Wrappers
|
||
for pre in 'BUILD_' ''; do
|
||
curBintools="NIX_${pre}BINTOOLS"
|
||
|
||
declare -a extraLDFlags=()
|
||
if [[ -e "${!curBintools}/nix-support/orig-libc" ]]; then
|
||
# Figure out what extra flags when linking to pass to the gcc
|
||
# compilers being generated to make sure that they use our libc.
|
||
extraLDFlags=($(< "${!curBintools}/nix-support/libc-ldflags") $(< "${!curBintools}/nix-support/libc-ldflags-before" || true))
|
||
|
||
# The path to the Libc binaries such as `crti.o'.
|
||
libc_libdir="$(< "${!curBintools}/nix-support/orig-libc")/lib"
|
||
else
|
||
# Hack: support impure environments.
|
||
extraLDFlags=("-L/usr/lib64" "-L/usr/lib")
|
||
libc_libdir="/usr/lib"
|
||
fi
|
||
extraLDFlags=("-L$libc_libdir" "-rpath" "$libc_libdir"
|
||
"${extraLDFlags[@]}")
|
||
for i in "${extraLDFlags[@]}"; do
|
||
declare EXTRA_${pre}LDFLAGS+=" -Wl,$i"
|
||
done
|
||
done
|
||
|
||
# Extract flags from CC Wrappers
|
||
for pre in 'BUILD_' ''; do
|
||
curCC="NIX_${pre}CC"
|
||
curFIXINC="NIX_${pre}FIXINC_DUMMY"
|
||
|
||
declare -a extraFlags=()
|
||
if [[ -e "${!curCC}/nix-support/orig-libc" ]]; then
|
||
# Figure out what extra compiling flags to pass to the gcc compilers
|
||
# being generated to make sure that they use our libc.
|
||
extraFlags=($(< "${!curCC}/nix-support/libc-cflags"))
|
||
|
||
# The path to the Libc headers
|
||
libc_devdir="$(< "${!curCC}/nix-support/orig-libc-dev")"
|
||
|
||
# Use *real* header files, otherwise a limits.h is generated that
|
||
# does not include Libc's limits.h (notably missing SSIZE_MAX,
|
||
# which breaks the build).
|
||
declare NIX_${pre}FIXINC_DUMMY="$libc_devdir/include"
|
||
else
|
||
# Hack: support impure environments.
|
||
extraFlags=("-isystem" "/usr/include")
|
||
declare NIX_${pre}FIXINC_DUMMY=/usr/include
|
||
fi
|
||
|
||
extraFlags=("-I${!curFIXINC}" "${extraFlags[@]}")
|
||
|
||
# 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" "${extraFlags[@]}")
|
||
fi
|
||
|
||
declare EXTRA_${pre}FLAGS="${extraFlags[*]}"
|
||
done
|
||
|
||
if test -z "${targetConfig-}"; then
|
||
# host = target, so the flags are the same
|
||
EXTRA_TARGET_FLAGS="$EXTRA_FLAGS"
|
||
EXTRA_TARGET_LDFLAGS="$EXTRA_LDFLAGS"
|
||
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+=(
|
||
"BUILD_SYSTEM_HEADER_DIR=$NIX_BUILD_FIXINC_DUMMY"
|
||
"SYSTEM_HEADER_DIR=$NIX_BUILD_FIXINC_DUMMY"
|
||
"NATIVE_SYSTEM_HEADER_DIR=$NIX_FIXINC_DUMMY"
|
||
|
||
"LDFLAGS_FOR_BUILD=$EXTRA_BUILD_LDFLAGS"
|
||
#"LDFLAGS=$EXTRA_LDFLAGS"
|
||
"LDFLAGS_FOR_TARGET=$EXTRA_TARGET_LDFLAGS"
|
||
|
||
"CFLAGS_FOR_BUILD=$EXTRA_BUILD_FLAGS $EXTRA_BUILD_LDFLAGS"
|
||
"CXXFLAGS_FOR_BUILD=$EXTRA_BUILD_FLAGS $EXTRA_BUILD_LDFLAGS"
|
||
"FLAGS_FOR_BUILD=$EXTRA_BUILD_FLAGS $EXTRA_BUILD_LDFLAGS"
|
||
|
||
# It seems there is a bug in GCC 5
|
||
#"CFLAGS=$EXTRA_FLAGS $EXTRA_LDFLAGS"
|
||
#"CXXFLAGS=$EXTRA_FLAGS $EXTRA_LDFLAGS"
|
||
|
||
"CFLAGS_FOR_TARGET=$EXTRA_TARGET_FLAGS $EXTRA_TARGET_LDFLAGS"
|
||
"CXXFLAGS_FOR_TARGET=$EXTRA_TARGET_FLAGS $EXTRA_TARGET_LDFLAGS"
|
||
"FLAGS_FOR_TARGET=$EXTRA_TARGET_FLAGS $EXTRA_TARGET_LDFLAGS"
|
||
)
|
||
|
||
if test -z "${targetConfig-}"; then
|
||
makeFlagsArray+=(
|
||
"BOOT_CFLAGS=$EXTRA_FLAGS $EXTRA_LDFLAGS"
|
||
"BOOT_LDFLAGS=$EXTRA_TARGET_FLAGS $EXTRA_TARGET_LDFLAGS"
|
||
)
|
||
fi
|
||
|
||
if test "$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 "${targetConfig-}"; then
|
||
# The host strip will destroy some important details of the objects
|
||
dontStrip=1
|
||
fi
|
||
|
||
eval "$oldOpts"
|
||
|
||
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.
|
||
sed -i \
|
||
-e "s,glibc_header_dir=/usr/include,glibc_header_dir=$libc_dev/include", \
|
||
gcc/configure
|
||
fi
|
||
|
||
if test -n "$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’ symlinks to ‘lib’.
|
||
if [ -n "$is64bit" -a -z "$enableMultilib" ]; then
|
||
mkdir -p "$out/lib"
|
||
ln -s lib "$out/lib64"
|
||
mkdir -p "$lib/lib"
|
||
ln -s lib "$lib/lib64"
|
||
fi
|
||
}
|
||
|
||
|
||
postInstall() {
|
||
# Move runtime libraries to $lib.
|
||
moveToOutput "lib/lib*.so*" "$lib"
|
||
moveToOutput "lib/lib*.la" "$lib"
|
||
moveToOutput "lib/lib*.dylib" "$lib"
|
||
moveToOutput "share/gcc-*/python" "$lib"
|
||
|
||
for i in "$lib"/lib/*.{la,py}; do
|
||
substituteInPlace "$i" --replace "$out" "$lib"
|
||
done
|
||
|
||
if [ -n "$enableMultilib" ]; then
|
||
moveToOutput "lib64/lib*.so*" "$lib"
|
||
moveToOutput "lib64/lib*.la" "$lib"
|
||
moveToOutput "lib64/lib*.dylib" "$lib"
|
||
|
||
for i in "$lib"/lib64/*.{la,py}; do
|
||
substituteInPlace "$i" --replace "$out" "$lib"
|
||
done
|
||
fi
|
||
|
||
# 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
|
||
|
||
if type "patchelf"; then
|
||
# Take out the bootstrap-tools from the rpath, as it's not needed at all having $out
|
||
for i in $(find "$out"/libexec/gcc/*/*/* -type f -a \! -name '*.la'); do
|
||
PREV_RPATH=`patchelf --print-rpath "$i"`
|
||
NEW_RPATH=`echo "$PREV_RPATH" | sed 's,:[^:]*bootstrap-tools/lib,,g'`
|
||
patchelf --set-rpath "$NEW_RPATH" "$i" && echo OK
|
||
done
|
||
|
||
# For some reason the libs retain RPATH to $out
|
||
for i in "$lib"/lib/{libtsan,libasan,libubsan}.so.*.*.*; do
|
||
PREV_RPATH=`patchelf --print-rpath "$i"`
|
||
NEW_RPATH=`echo "$PREV_RPATH" | sed "s,:${out}[^:]*,,g"`
|
||
patchelf --set-rpath "$NEW_RPATH" "$i" && echo OK
|
||
done
|
||
fi
|
||
|
||
if type "install_name_tool"; then
|
||
for i in "$lib"/lib/*.*.dylib; do
|
||
install_name_tool -id "$i" "$i" || true
|
||
for old_path in $(otool -L "$i" | grep "$out" | awk '{print $1}'); do
|
||
new_path=`echo "$old_path" | sed "s,$out,$lib,"`
|
||
install_name_tool -change "$old_path" "$new_path" "$i" || true
|
||
done
|
||
done
|
||
fi
|
||
|
||
# Get rid of some "fixed" header files
|
||
rm -rfv $out/lib/gcc/*/*/include-fixed/{root,linux}
|
||
|
||
# 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 $out/libexec/gcc/*/*/{cc1,cc1plus}
|
||
|
||
# Two identical man pages are shipped (moving and compressing is done later)
|
||
ln -sf gcc.1 "$out"/share/man/man1/g++.1
|
||
}
|
||
|
||
genericBuild
|