diff options
Diffstat (limited to 'pkgs/build-support')
| -rw-r--r-- | pkgs/build-support/cc-wrapper/cc-wrapper.sh | 58 | ||||
| -rw-r--r-- | pkgs/build-support/cc-wrapper/gnat-wrapper.sh | 16 | ||||
| -rw-r--r-- | pkgs/build-support/cc-wrapper/ld-wrapper.sh | 17 | ||||
| -rw-r--r-- | pkgs/build-support/cc-wrapper/setup-hook.sh | 12 | ||||
| -rw-r--r-- | pkgs/build-support/grsecurity/default.nix | 10 | ||||
| -rw-r--r-- | pkgs/build-support/setup-hooks/make-wrapper.sh | 6 | ||||
| -rw-r--r-- | pkgs/build-support/setup-hooks/separate-debug-info.sh | 15 |
7 files changed, 92 insertions, 42 deletions
diff --git a/pkgs/build-support/cc-wrapper/cc-wrapper.sh b/pkgs/build-support/cc-wrapper/cc-wrapper.sh index 6e12a0d8bc8f..3c3dbc03d413 100644 --- a/pkgs/build-support/cc-wrapper/cc-wrapper.sh +++ b/pkgs/build-support/cc-wrapper/cc-wrapper.sh @@ -15,29 +15,37 @@ fi source @out@/nix-support/utils.sh -# Figure out if linker flags should be passed. GCC prints annoying -# warnings when they are not needed. +# Parse command line options and set several variables. +# For instance, figure out if linker flags should be passed. +# GCC prints annoying warnings when they are not needed. dontLink=0 getVersion=0 nonFlagArgs=0 +[[ "@prog@" = *++ ]] && isCpp=1 || isCpp=0 -for i in "$@"; do - if [ "$i" = -c ]; then +params=("$@") +n=0 +while [ $n -lt ${#params[*]} ]; do + p=${params[n]} + p2=${params[$((n+1))]} + if [ "$p" = -c ]; then dontLink=1 - elif [ "$i" = -S ]; then + elif [ "$p" = -S ]; then dontLink=1 - elif [ "$i" = -E ]; then + elif [ "$p" = -E ]; then dontLink=1 - elif [ "$i" = -E ]; then + elif [ "$p" = -E ]; then dontLink=1 - elif [ "$i" = -M ]; then + elif [ "$p" = -M ]; then dontLink=1 - elif [ "$i" = -MM ]; then + elif [ "$p" = -MM ]; then dontLink=1 - elif [ "$i" = -x ]; then - # At least for the cases c-header or c++-header we should set dontLink. - # I expect no one use -x other than making precompiled headers. + elif [[ "$p" = -x && "$p2" = *-header ]]; then dontLink=1 + elif [[ "$p" = -x && "$p2" = c++* && "$isCpp" = 0 ]]; then + isCpp=1 + elif [ "$p" = -nostdlib ]; then + isCpp=-1 elif [ "${i:0:1}" != - ]; then nonFlagArgs=1 elif [ "$i" = -m32 ]; then @@ -45,6 +53,7 @@ for i in "$@"; do NIX_LDFLAGS="$NIX_LDFLAGS -dynamic-linker $(cat @out@/nix-support/dynamic-linker-m32)" fi fi + n=$((n + 1)) done # If we pass a flag like -Wl, then gcc will call the linker unless it @@ -58,7 +67,6 @@ fi # Optionally filter out paths not refering to the store. -params=("$@") if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then rest=() n=0 @@ -76,18 +84,30 @@ if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then elif [ "$p" = -isystem ] && badPath "$p2"; then n=$((n + 1)); skip $p2 else - rest=("${rest[@]}" "$p") + rest+=("$p") fi n=$((n + 1)) done params=("${rest[@]}") fi -if [[ "@prog@" = *++ ]]; then - if echo "$@" | grep -qv -- -nostdlib; then - NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE ${NIX_CXXSTDLIB_COMPILE-@default_cxx_stdlib_compile@}" - NIX_CFLAGS_LINK="$NIX_CFLAGS_LINK $NIX_CXXSTDLIB_LINK" - fi + +# Clear march/mtune=native -- they bring impurity. +if [ "$NIX_ENFORCE_NO_NATIVE" = 1 ]; then + rest=() + for i in "${params[@]}"; do + if [[ "$i" = -m*=native ]]; then + skip $i + else + rest+=("$i") + fi + done + params=("${rest[@]}") +fi + +if [[ "$isCpp" = 1 ]]; then + NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE ${NIX_CXXSTDLIB_COMPILE-@default_cxx_stdlib_compile@}" + NIX_CFLAGS_LINK="$NIX_CFLAGS_LINK $NIX_CXXSTDLIB_LINK" fi # Add the flags for the C compiler proper. diff --git a/pkgs/build-support/cc-wrapper/gnat-wrapper.sh b/pkgs/build-support/cc-wrapper/gnat-wrapper.sh index ae46b40ac631..012f826a111e 100644 --- a/pkgs/build-support/cc-wrapper/gnat-wrapper.sh +++ b/pkgs/build-support/cc-wrapper/gnat-wrapper.sh @@ -62,7 +62,7 @@ if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then elif [ "${p:0:4}" = -aO/ ] && badPath "${p:3}"; then skip $p else - rest=("${rest[@]}" "$p") + rest+=("$p") fi n=$((n + 1)) done @@ -70,6 +70,20 @@ if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then fi +# Clear march/mtune=native -- they bring impurity. +if [ "$NIX_ENFORCE_NO_NATIVE" = 1 ]; then + rest=() + for i in "${params[@]}"; do + if [[ "$i" = -m*=native ]]; then + skip $i + else + rest+=("$i") + fi + done + params=("${rest[@]}") +fi + + # Add the flags for the GNAT compiler proper. extraAfter=($NIX_GNATFLAGS_COMPILE) extraBefore=() diff --git a/pkgs/build-support/cc-wrapper/ld-wrapper.sh b/pkgs/build-support/cc-wrapper/ld-wrapper.sh index 6ef06eb70348..449a86459045 100644 --- a/pkgs/build-support/cc-wrapper/ld-wrapper.sh +++ b/pkgs/build-support/cc-wrapper/ld-wrapper.sh @@ -146,11 +146,26 @@ if [ "$NIX_DONT_SET_RPATH" != 1 ]; then # Finally, add `-rpath' switches. for i in $rpath; do - extra=(${extra[@]} -rpath $i) + extra+=(-rpath $i) done fi +# Only add --build-id if this is a final link. FIXME: should build gcc +# with --enable-linker-build-id instead? +if [ "$NIX_SET_BUILD_ID" = 1 ]; then + for p in "${params[@]}"; do + if [ "$p" = "-r" -o "$p" = "--relocatable" -o "$p" = "-i" ]; then + relocatable=1 + break + fi + done + if [ -z "$relocatable" ]; then + extra+=(--build-id) + fi +fi + + # Optionally print debug info. if [ -n "$NIX_DEBUG" ]; then echo "original flags to @prog@:" >&2 diff --git a/pkgs/build-support/cc-wrapper/setup-hook.sh b/pkgs/build-support/cc-wrapper/setup-hook.sh index 3d0b2fdfe8ae..35620483d2bc 100644 --- a/pkgs/build-support/cc-wrapper/setup-hook.sh +++ b/pkgs/build-support/cc-wrapper/setup-hook.sh @@ -22,20 +22,20 @@ envHooks+=(addCVars) # Note: these come *after* $out in the PATH (see setup.sh). -if [ -n "@cc@" ]; then - addToSearchPath PATH @cc@/bin +if [ -n "@binutils@" ]; then + addToSearchPath _PATH @binutils@/bin fi -if [ -n "@binutils@" ]; then - addToSearchPath PATH @binutils@/bin +if [ -n "@cc@" ]; then + addToSearchPath _PATH @cc@/bin fi if [ -n "@libc@" ]; then - addToSearchPath PATH @libc@/bin + addToSearchPath _PATH @libc@/bin fi if [ -n "@coreutils@" ]; then - addToSearchPath PATH @coreutils@/bin + addToSearchPath _PATH @coreutils@/bin fi if [ -z "$crossConfig" ]; then diff --git a/pkgs/build-support/grsecurity/default.nix b/pkgs/build-support/grsecurity/default.nix index 64cce3dbad52..18719e6e22ba 100644 --- a/pkgs/build-support/grsecurity/default.nix +++ b/pkgs/build-support/grsecurity/default.nix @@ -116,12 +116,14 @@ let grsecurityOverrider = args: grkern: { # Apparently as of gcc 4.6, gcc-plugin headers (which are needed by PaX plugins) # include libgmp headers, so we need these extra tweaks - buildInputs = args.buildInputs ++ [ pkgs.gmp ]; + # As of gcc5 we also need libmpc + buildInputs = args.buildInputs ++ [ pkgs.gmp pkgs.libmpc pkgs.mpfr ]; preConfigure = '' + extraIncludes="-I${pkgs.gmp}/include -I${pkgs.libmpc}/include -I${pkgs.mpfr}/include" ${args.preConfigure or ""} - sed -i 's|-I|-I${pkgs.gmp}/include -I|' scripts/gcc-plugin.sh - sed -i 's|HOST_EXTRACFLAGS +=|HOST_EXTRACFLAGS += -I${pkgs.gmp}/include|' tools/gcc/Makefile - sed -i 's|HOST_EXTRACXXFLAGS +=|HOST_EXTRACXXFLAGS += -I${pkgs.gmp}/include|' tools/gcc/Makefile + sed -i "s|-I|$extraIncludes -I|" scripts/gcc-plugin.sh + sed -i "s|HOST_EXTRACFLAGS +=|HOST_EXTRACFLAGS += $extraIncludes|" tools/gcc/Makefile + sed -i "s|HOST_EXTRACXXFLAGS +=|HOST_EXTRACXXFLAGS += $extraIncludes|" tools/gcc/Makefile rm localversion-grsec echo ${localver grkern} > localversion-grsec ''; diff --git a/pkgs/build-support/setup-hooks/make-wrapper.sh b/pkgs/build-support/setup-hooks/make-wrapper.sh index 5150b4f0218a..7d0f88abb855 100644 --- a/pkgs/build-support/setup-hooks/make-wrapper.sh +++ b/pkgs/build-support/setup-hooks/make-wrapper.sh @@ -19,6 +19,12 @@ makeWrapper() { echo "export $varName=$value" >> $wrapper fi + if test "$p" = "--unset"; then + varName=${params[$((n + 1))]} + n=$((n + 1)) + echo "unset $varName" >> "$wrapper" + fi + if test "$p" = "--run"; then command=${params[$((n + 1))]} n=$((n + 1)) diff --git a/pkgs/build-support/setup-hooks/separate-debug-info.sh b/pkgs/build-support/setup-hooks/separate-debug-info.sh index 37753d9ce406..518be9647334 100644 --- a/pkgs/build-support/setup-hooks/separate-debug-info.sh +++ b/pkgs/build-support/setup-hooks/separate-debug-info.sh @@ -1,5 +1,6 @@ -export NIX_LDFLAGS+=" --build-id" -export NIX_CFLAGS_COMPILE+=" -ggdb" +export NIX_SET_BUILD_ID=1 +export NIX_LDFLAGS+=" --compress-debug-sections=zlib" +export NIX_CFLAGS_COMPILE+=" -ggdb -Wa,--compress-debug-sections" dontStrip=1 fixupOutputHooks+=(_separateDebugInfo) @@ -25,18 +26,10 @@ _separateDebugInfo() { # Extract the debug info. header "separating debug info from $i (build ID $id)" mkdir -p "$dst/${id:0:2}" - objcopy --only-keep-debug "$i" "$dst/${id:0:2}/${id:2}.debug" --compress-debug-sections + objcopy --only-keep-debug "$i" "$dst/${id:0:2}/${id:2}.debug" strip --strip-debug "$i" # Also a create a symlink <original-name>.debug. ln -sfn ".build-id/${id:0:2}/${id:2}.debug" "$dst/../$(basename "$i")" done < <(find "$prefix" -type f -print0) } - -# - We might prefer to compress the debug info during link-time already, -# but our ld doesn't support --compress-debug-sections=zlib (yet). -# - Debug info may cause problems due to excessive memory usage during linking. -# Using -Wa,--compress-debug-sections should help with that; -# further interesting information: https://gcc.gnu.org/wiki/DebugFission -# - Another related tool: https://fedoraproject.org/wiki/Features/DwarfCompressor - |