mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-16 14:54:29 +01:00
* gcc-wrapper2: obsolete.
svn path=/nixpkgs/branches/stdenv-updates/; revision=19533
This commit is contained in:
Eelco Dolstra
parent
0dcc2967ef
commit
dfd81bebb1
8 changed files with 0 additions and 581 deletions
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@ -1,6 +0,0 @@
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To be removed after we merge stdenv-updates in.
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stdenv-updates should have this gcc-wrapper2 as gcc-wrapper.
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Changelog against gcc-wrapper:
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- Support for linking shared objects with direct mention of the /path/libxxx.so object,
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thus, adding its path to the rpath.
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@ -1,24 +0,0 @@
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# `-B@out@/bin' forces gcc to use ld-wrapper.sh when calling ld.
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export NIX_CFLAGS_COMPILE="-B@out@/bin/ $NIX_CFLAGS_COMPILE"
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if test -e @out@/nix-support/libc-cflags; then
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export NIX_CFLAGS_COMPILE="$(cat @out@/nix-support/libc-cflags) $NIX_CFLAGS_COMPILE"
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fi
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if test -e @out@/nix-support/gcc-cflags; then
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export NIX_CFLAGS_COMPILE="$(cat @out@/nix-support/gcc-cflags) $NIX_CFLAGS_COMPILE"
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fi
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if test -e @out@/nix-support/libc-ldflags; then
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export NIX_LDFLAGS="$NIX_LDFLAGS $(cat @out@/nix-support/libc-ldflags)"
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fi
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if test -e @out@/nix-support/gcc-ldflags; then
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export NIX_LDFLAGS="$NIX_LDFLAGS $(cat @out@/nix-support/gcc-ldflags)"
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fi
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if test -e @out@/nix-support/libc-ldflags-before; then
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export NIX_LDFLAGS_BEFORE="$(cat @out@/nix-support/libc-ldflags-before) $NIX_LDFLAGS_BEFORE"
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fi
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export NIX_GCC_WRAPPER_FLAGS_SET=1
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@ -1,135 +0,0 @@
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source $stdenv/setup
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ensureDir $out/bin
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ensureDir $out/nix-support
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if test -z "$nativeLibc"; then
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dynamicLinker="$libc/lib/$dynamicLinker"
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echo $dynamicLinker > $out/nix-support/dynamic-linker
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if test -e $libc/lib/32/ld-linux.so.2; then
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echo $libc/lib/32/ld-linux.so.2 > $out/nix-support/dynamic-linker-m32
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fi
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# The "-B$libc/lib/" flag is a quick hack to force gcc to link
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# against the crt1.o from our own glibc, rather than the one in
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# /usr/lib. (This is only an issue when using an `impure'
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# compiler/linker, i.e., one that searches /usr/lib and so on.)
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#
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# Unfortunately, setting -B appears to override the default search
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# path. Thus, the gcc-specific "../includes-fixed" directory is
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# now longer searched and glibc's <limits.h> header fails to
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# compile, because it uses "#include_next <limits.h>" to find the
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# limits.h file in ../includes-fixed. To remedy the problem,
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# another -idirafter is necessary to add that directory again.
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echo "-B$libc/lib/ -idirafter $libc/include -idirafter $gcc/lib/gcc/*/*/include-fixed" > $out/nix-support/libc-cflags
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echo "-L$libc/lib" > $out/nix-support/libc-ldflags
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to gcc/ld
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# (the *last* value counts, so ours should come first).
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echo "-dynamic-linker $dynamicLinker" > $out/nix-support/libc-ldflags-before
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fi
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if test -n "$nativeTools"; then
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gccPath="$nativePrefix/bin"
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ldPath="$nativePrefix/bin"
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else
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if test -e "$gcc/lib64"; then
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gccLDFlags="$gccLDFlags -L$gcc/lib64"
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fi
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gccLDFlags="$gccLDFlags -L$gcc/lib"
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echo "$gccLDFlags" > $out/nix-support/gcc-ldflags
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# GCC shows $gcc/lib in `gcc -print-search-dirs', but not
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# $gcc/lib64 (even though it does actually search there...)..
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# This confuses libtool. So add it to the compiler tool search
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# path explicitly.
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if test -e "$gcc/lib64"; then
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gccCFlags="$gccCFlags -B$gcc/lib64"
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fi
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echo "$gccCFlags" > $out/nix-support/gcc-cflags
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gccPath="$gcc/bin"
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ldPath="$binutils/bin"
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fi
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doSubstitute() {
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local src=$1
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local dst=$2
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# Can't use substitute() here, because replace may not have been
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# built yet (in the bootstrap).
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sed \
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-e "s^@out@^$out^g" \
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-e "s^@shell@^$shell^g" \
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-e "s^@gcc@^$gcc^g" \
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-e "s^@gccProg@^$gccProg^g" \
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-e "s^@binutils@^$binutils^g" \
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-e "s^@libc@^$libc^g" \
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-e "s^@ld@^$ldPath/ld^g" \
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< "$src" > "$dst"
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}
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# Make wrapper scripts around gcc, g++, and gfortran. Also make symlinks
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# cc, c++, and f77.
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mkGccWrapper() {
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local dst=$1
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local src=$2
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if ! test -f "$src"; then
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echo "$src does not exist (skipping)"
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return
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fi
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gccProg="$src"
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doSubstitute "$gccWrapper" "$dst"
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chmod +x "$dst"
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}
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mkGccWrapper $out/bin/gcc $gccPath/gcc
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ln -s gcc $out/bin/cc
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mkGccWrapper $out/bin/g++ $gccPath/g++
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ln -s g++ $out/bin/c++
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if test -e $gccPath/gfortran; then
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mkGccWrapper $out/bin/gfortran $gccPath/gfortran
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ln -s gfortran $out/bin/g77
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ln -s gfortran $out/bin/f77
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fi
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# Create a symlink to as (the assembler). This is useful when a
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# gcc-wrapper is installed in a user environment, as it ensures that
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# the right assembler is called.
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ln -s $ldPath/as $out/bin/as
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# Make a wrapper around the linker.
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doSubstitute "$ldWrapper" "$out/bin/ld"
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chmod +x "$out/bin/ld"
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# Emit a setup hook. Also store the path to the original GCC and
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# Glibc.
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test -n "$gcc" && echo $gcc > $out/nix-support/orig-gcc
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test -n "$libc" && echo $libc > $out/nix-support/orig-libc
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doSubstitute "$addFlags" "$out/nix-support/add-flags.sh"
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doSubstitute "$setupHook" "$out/nix-support/setup-hook"
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cp -p $utils $out/nix-support/utils.sh
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# Propagate the wrapped gcc so that if you install the wrapper, you get
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# tools like gcov, the manpages, etc. as well (including for binutils
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# and Glibc).
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if test -z "$nativeTools"; then
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echo $gcc $binutils $libc > $out/nix-support/propagated-user-env-packages
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fi
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@ -1,61 +0,0 @@
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# The Nix `gcc' stdenv.mkDerivation is not directly usable, since it doesn't
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# know where the C library and standard header files are. Therefore
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# the compiler produced by that package cannot be installed directly
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# in a user environment and used from the command line. This
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# stdenv.mkDerivation provides a wrapper that sets up the right environment
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# variables so that the compiler and the linker just "work".
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{ name ? "", stdenv, nativeTools, nativeLibc, nativePrefix ? ""
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, gcc ? null, libc ? null, binutils ? null, shell ? ""
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}:
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assert nativeTools -> nativePrefix != "";
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assert !nativeTools -> gcc != null && binutils != null;
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assert !nativeLibc -> libc != null;
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assert gcc != null;
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let
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gccVersion = (builtins.parseDrvName gcc.name).version;
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gccName = (builtins.parseDrvName gcc.name).name;
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in
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stdenv.mkDerivation {
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name =
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(if name != "" then name else gccName + "-wrapper") +
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(if gcc != null && gccVersion != "" then "-" + gccVersion else "");
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builder = ./builder.sh;
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setupHook = ./setup-hook.sh;
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gccWrapper = ./gcc-wrapper.sh;
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ldWrapper = ./ld-wrapper.sh;
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utils = ./utils.sh;
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addFlags = ./add-flags;
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inherit nativeTools nativeLibc nativePrefix gcc;
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libc = if nativeLibc then null else libc;
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binutils = if nativeTools then null else binutils;
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langC = if nativeTools then true else gcc.langC;
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langCC = if nativeTools then true else gcc.langCC;
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langFortran = if nativeTools then false else gcc ? langFortran;
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shell = if shell == "" then stdenv.shell else shell;
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meta =
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let gcc_ = if gcc != null then gcc else {}; in
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(if gcc_ ? meta then removeAttrs gcc.meta ["priority"] else {}) //
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{ description =
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stdenv.lib.attrByPath ["meta" "description"] "System C compiler" gcc_
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+ " (wrapper script)";
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};
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# The dynamic linker has different names on different Linux platforms.
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dynamicLinker =
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if !nativeLibc then
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(if stdenv.system == "i686-linux" then "ld-linux.so.2" else
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if stdenv.system == "x86_64-linux" then "ld-linux-x86-64.so.2" else
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if stdenv.system == "powerpc-linux" then "ld.so.1" else
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abort "don't know the name of the dynamic linker for this platform")
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else "";
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}
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@ -1,148 +0,0 @@
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#! @shell@ -e
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if test -n "$NIX_GCC_WRAPPER_START_HOOK"; then
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source "$NIX_GCC_WRAPPER_START_HOOK"
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fi
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if test -z "$NIX_GCC_WRAPPER_FLAGS_SET"; then
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source @out@/nix-support/add-flags.sh
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fi
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source @out@/nix-support/utils.sh
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# Figure out if linker flags should be passed. GCC prints annoying
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# warnings when they are not needed.
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dontLink=0
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getVersion=0
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nonFlagArgs=0
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for i in "$@"; do
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if test "$i" = "-c"; then
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dontLink=1
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elif test "$i" = "-S"; then
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dontLink=1
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elif test "$i" = "-E"; then
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dontLink=1
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elif test "$i" = "-E"; then
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dontLink=1
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elif test "$i" = "-M"; then
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dontLink=1
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elif test "$i" = "-MM"; then
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dontLink=1
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elif test "${i:0:1}" != "-"; then
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nonFlagArgs=1
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elif test "$i" = "-m32"; then
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if test -e @out@/nix-support/dynamic-linker-m32; then
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NIX_LDFLAGS="$NIX_LDFLAGS -dynamic-linker $(cat @out@/nix-support/dynamic-linker-m32)"
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fi
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fi
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done
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# If we pass a flag like -Wl, then gcc will call the linker unless it
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# can figure out that it has to do something else (e.g., because of a
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# "-c" flag). So if no non-flag arguments are given, don't pass any
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# linker flags. This catches cases like "gcc" (should just print
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# "gcc: no input files") and "gcc -v" (should print the version).
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if test "$nonFlagArgs" = "0"; then
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dontLink=1
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fi
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# Optionally filter out paths not refering to the store.
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params=("$@")
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if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
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rest=()
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n=0
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while test $n -lt ${#params[*]}; do
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p=${params[n]}
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p2=${params[$((n+1))]}
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if test "${p:0:3}" = "-L/" && badPath "${p:2}"; then
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skip $p
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elif test "$p" = "-L" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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elif test "${p:0:3}" = "-I/" && badPath "${p:2}"; then
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skip $p
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elif test "$p" = "-I" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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elif test "$p" = "-isystem" && badPath "$p2"; then
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n=$((n + 1)); skip $p2
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else
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rest=("${rest[@]}" "$p")
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fi
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n=$((n + 1))
|
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done
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params=("${rest[@]}")
|
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fi
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|
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# Add the flags for the C compiler proper.
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extraAfter=($NIX_CFLAGS_COMPILE)
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extraBefore=()
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if test "$dontLink" != "1"; then
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|
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# Add the flags that should only be passed to the compiler when
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# linking.
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extraAfter=(${extraAfter[@]} $NIX_CFLAGS_LINK)
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# Add the flags that should be passed to the linker (and prevent
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# `ld-wrapper' from adding NIX_LDFLAGS again).
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for i in $NIX_LDFLAGS_BEFORE; do
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extraBefore=(${extraBefore[@]} "-Wl,$i")
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done
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for i in $NIX_LDFLAGS; do
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if test "${i:0:3}" = "-L/"; then
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extraAfter=(${extraAfter[@]} "$i")
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else
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extraAfter=(${extraAfter[@]} "-Wl,$i")
|
||||
fi
|
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done
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export NIX_LDFLAGS_SET=1
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if test "$NIX_STRIP_DEBUG" = "1"; then
|
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# Add executable-stripping flags.
|
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extraAfter=(${extraAfter[@]} $NIX_CFLAGS_STRIP)
|
||||
fi
|
||||
fi
|
||||
|
||||
# As a very special hack, if the arguments are just `-v', then don't
|
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# add anything. This is to prevent `gcc -v' (which normally prints
|
||||
# out the version number and returns exit code 0) from printing out
|
||||
# `No input files specified' and returning exit code 1.
|
||||
if test "$*" = "-v"; then
|
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extraAfter=()
|
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extraBefore=()
|
||||
fi
|
||||
|
||||
# Optionally print debug info.
|
||||
if test "$NIX_DEBUG" = "1"; then
|
||||
echo "original flags to @gccProg@:" >&2
|
||||
for i in "${params[@]}"; do
|
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echo " $i" >&2
|
||||
done
|
||||
echo "extraBefore flags to @gccProg@:" >&2
|
||||
for i in ${extraBefore[@]}; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
echo "extraAfter flags to @gccProg@:" >&2
|
||||
for i in ${extraAfter[@]}; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
fi
|
||||
|
||||
if test -n "$NIX_GCC_WRAPPER_EXEC_HOOK"; then
|
||||
source "$NIX_GCC_WRAPPER_EXEC_HOOK"
|
||||
fi
|
||||
|
||||
|
||||
# Call the real `gcc'. Filter out warnings from stderr about unused
|
||||
# `-B' flags, since they confuse some programs. Deep bash magic to
|
||||
# apply grep to stderr (by swapping stdin/stderr twice).
|
||||
if test -z "$NIX_GCC_NEEDS_GREP"; then
|
||||
@gccProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]}
|
||||
else
|
||||
(@gccProg@ ${extraBefore[@]} "${params[@]}" ${extraAfter[@]} 3>&2 2>&1 1>&3- \
|
||||
| (grep -v 'file path prefix' || true); exit ${PIPESTATUS[0]}) 3>&2 2>&1 1>&3-
|
||||
exit $?
|
||||
fi
|
||||
|
|
@ -1,155 +0,0 @@
|
|||
#! @shell@ -e
|
||||
|
||||
if test -n "$NIX_LD_WRAPPER_START_HOOK"; then
|
||||
source "$NIX_LD_WRAPPER_START_HOOK"
|
||||
fi
|
||||
|
||||
if test -z "$NIX_GCC_WRAPPER_FLAGS_SET"; then
|
||||
source @out@/nix-support/add-flags.sh
|
||||
fi
|
||||
|
||||
source @out@/nix-support/utils.sh
|
||||
|
||||
|
||||
# Optionally filter out paths not refering to the store.
|
||||
params=("$@")
|
||||
if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE" \
|
||||
-a \( -z "$NIX_IGNORE_LD_THROUGH_GCC" -o -z "$NIX_LDFLAGS_SET" \); then
|
||||
rest=()
|
||||
n=0
|
||||
while test $n -lt ${#params[*]}; do
|
||||
p=${params[n]}
|
||||
p2=${params[$((n+1))]}
|
||||
if test "${p:0:3}" = "-L/" && badPath "${p:2}"; then
|
||||
skip $p
|
||||
elif test "$p" = "-L" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "$p" = "-rpath" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "$p" = "-dynamic-linker" && badPath "$p2"; then
|
||||
n=$((n + 1)); skip $p2
|
||||
elif test "${p:0:1}" = "/" && badPath "$p"; then
|
||||
# We cannot skip this; barf.
|
||||
echo "impure path \`$p' used in link" >&2
|
||||
exit 1
|
||||
else
|
||||
rest=("${rest[@]}" "$p")
|
||||
fi
|
||||
n=$((n + 1))
|
||||
done
|
||||
params=("${rest[@]}")
|
||||
fi
|
||||
|
||||
|
||||
extra=()
|
||||
extraBefore=()
|
||||
|
||||
if test -z "$NIX_LDFLAGS_SET"; then
|
||||
extra=(${extra[@]} $NIX_LDFLAGS)
|
||||
extraBefore=(${extraBefore[@]} $NIX_LDFLAGS_BEFORE)
|
||||
fi
|
||||
|
||||
|
||||
# Add all used dynamic libraries to the rpath.
|
||||
if test "$NIX_DONT_SET_RPATH" != "1"; then
|
||||
|
||||
# First, find all -L... switches.
|
||||
allParams=("${params[@]}" ${extra[@]})
|
||||
libPath=""
|
||||
addToLibPath() {
|
||||
local path="$1"
|
||||
if test "${path:0:1}" != "/"; then return 0; fi
|
||||
case "$path" in
|
||||
*..*|*./*|*/.*|*//*)
|
||||
local path2
|
||||
if path2=$(readlink -f "$path"); then
|
||||
path="$path2"
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
case $libPath in
|
||||
*\ $path\ *) return 0 ;;
|
||||
esac
|
||||
libPath="$libPath $path "
|
||||
}
|
||||
n=0
|
||||
while test $n -lt ${#allParams[*]}; do
|
||||
p=${allParams[n]}
|
||||
p2=${allParams[$((n+1))]}
|
||||
if test "${p:0:3}" = "-L/"; then
|
||||
addToLibPath ${p:2}
|
||||
elif test "$p" = "-L"; then
|
||||
addToLibPath ${p2}
|
||||
n=$((n + 1))
|
||||
elif $(echo "$p" | grep -q '\.so\($\|\.\)'); then
|
||||
path="$(dirname "$p")";
|
||||
addToLibPath "${path}"
|
||||
fi
|
||||
n=$((n + 1))
|
||||
done
|
||||
|
||||
# Second, for each directory in the library search path (-L...),
|
||||
# see if it contains a dynamic library used by a -l... flag. If
|
||||
# so, add the directory to the rpath.
|
||||
rpath=""
|
||||
|
||||
addToRPath() {
|
||||
# If the path is not in the store, don't add it to the rpath.
|
||||
# This typically happens for libraries in /tmp that are later
|
||||
# copied to $out/lib. If not, we're screwed.
|
||||
if test "${1:0:${#NIX_STORE}}" != "$NIX_STORE"; then return 0; fi
|
||||
case $rpath in
|
||||
*\ $1\ *) return 0 ;;
|
||||
esac
|
||||
rpath="$rpath $1 "
|
||||
}
|
||||
|
||||
for i in $libPath; do
|
||||
n=0
|
||||
while test $n -lt ${#allParams[*]}; do
|
||||
p=${allParams[n]}
|
||||
p2=${allParams[$((n+1))]}
|
||||
if test "${p:0:2}" = "-l" -a -f "$i/lib${p:2}.so"; then
|
||||
addToRPath $i
|
||||
break
|
||||
elif test "$p" = "-l" -a -f "$i/lib${p2}"; then
|
||||
# I haven't seen `-l foo', but you never know...
|
||||
addToRPath $i
|
||||
break
|
||||
elif $(echo "$p" | grep -q '\.so\($\|\.\)'); then
|
||||
path="$(dirname "$p")";
|
||||
if test "$path" == "$i"; then
|
||||
addToRPath $i
|
||||
break;
|
||||
fi
|
||||
fi
|
||||
n=$((n + 1))
|
||||
done
|
||||
|
||||
done
|
||||
|
||||
|
||||
# Finally, add `-rpath' switches.
|
||||
for i in $rpath; do
|
||||
extra=(${extra[@]} -rpath $i)
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
# Optionally print debug info.
|
||||
if test "$NIX_DEBUG" = "1"; then
|
||||
echo "original flags to @ld@:" >&2
|
||||
for i in "${params[@]}"; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
echo "extra flags to @ld@:" >&2
|
||||
for i in ${extra[@]}; do
|
||||
echo " $i" >&2
|
||||
done
|
||||
fi
|
||||
|
||||
if test -n "$NIX_LD_WRAPPER_EXEC_HOOK"; then
|
||||
source "$NIX_LD_WRAPPER_EXEC_HOOK"
|
||||
fi
|
||||
|
||||
exec @ld@ ${extraBefore[@]} "${params[@]}" ${extra[@]}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
addCVars () {
|
||||
if test -d $1/include; then
|
||||
export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I$1/include"
|
||||
fi
|
||||
|
||||
if test -d $1/lib64; then
|
||||
export NIX_LDFLAGS="$NIX_LDFLAGS -L$1/lib64"
|
||||
fi
|
||||
|
||||
if test -d $1/lib; then
|
||||
export NIX_LDFLAGS="$NIX_LDFLAGS -L$1/lib"
|
||||
fi
|
||||
}
|
||||
|
||||
envHooks=(${envHooks[@]} addCVars)
|
||||
|
||||
# Note: these come *after* $out in the PATH (see setup.sh).
|
||||
|
||||
if test -n "@gcc@"; then
|
||||
addToSearchPath PATH @gcc@/bin
|
||||
fi
|
||||
|
||||
if test -n "@binutils@"; then
|
||||
addToSearchPath PATH @binutils@/bin
|
||||
fi
|
||||
|
||||
if test -n "@libc@"; then
|
||||
addToSearchPath PATH @libc@/bin
|
||||
fi
|
||||
|
|
@ -1,23 +0,0 @@
|
|||
skip () {
|
||||
if test "$NIX_DEBUG" = "1"; then
|
||||
echo "skipping impure path $1" >&2
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
|
||||
# `/nix/store/.../lib/foo.so' isn't.
|
||||
badPath() {
|
||||
local p=$1
|
||||
|
||||
# Relative paths are okay (since they're presumably relative to
|
||||
# the temporary build directory).
|
||||
if test "${p:0:1}" != "/"; then return 1; fi
|
||||
|
||||
# Otherwise, the path should refer to the store or some temporary
|
||||
# directory (including the build directory).
|
||||
test \
|
||||
"${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
|
||||
"${p:0:4}" != "/tmp" -a \
|
||||
"${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
|
||||
}
|
||||
Loading…
Reference in a new issue