{cc,bintools}-wrapper: Comments no longer spliced
This means we can freely keep the comments up to date without the penalty of a mass rebuild.
This commit is contained in:
John Ericson
parent
3abe43e22d
commit
1085403acd
2 changed files with 91 additions and 92 deletions
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@ -132,15 +132,15 @@ stdenv.mkDerivation {
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ldPath="${bintools_bin}/bin"
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''
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# Solaris needs an additional ld wrapper.
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+ optionalString (targetPlatform.isSunOS && nativePrefix != "") ''
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# Solaris needs an additional ld wrapper.
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ldPath="${nativePrefix}/bin"
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exec="$ldPath/${targetPrefix}ld"
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wrap ld-solaris ${./ld-solaris-wrapper.sh}
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'')
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# Create a symlink to as (the assembler).
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+ ''
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# Create a symlink to as (the assembler).
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if [ -e $ldPath/${targetPrefix}as ]; then
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ln -s $ldPath/${targetPrefix}as $out/bin/${targetPrefix}as
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fi
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@ -200,26 +200,28 @@ stdenv.mkDerivation {
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];
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postFixup =
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##
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## General libc support
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##
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optionalString (libc != null) (''
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##
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## General libc support
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##
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echo "-L${libc_lib}${libc.libdir or "/lib"}" > $out/nix-support/libc-ldflags
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echo "${libc_lib}" > $out/nix-support/orig-libc
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echo "${libc_dev}" > $out/nix-support/orig-libc-dev
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''
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##
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## Dynamic linker support
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##
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##
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## Dynamic linker support
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##
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+ ''
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if [[ -z ''${dynamicLinker+x} ]]; then
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echo "Don't know the name of the dynamic linker for platform '${targetPlatform.config}', so guessing instead." >&2
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local dynamicLinker="${libc_lib}/lib/ld*.so.?"
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fi
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''
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# Expand globs to fill array of options
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# Expand globs to fill array of options
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+ ''
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dynamicLinker=($dynamicLinker)
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case ''${#dynamicLinker[@]} in
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@ -241,45 +243,45 @@ stdenv.mkDerivation {
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local ldflagsBefore=(-dynamic-linker "$dynamicLinker")
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'') + ''
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fi
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to ld
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# (the *last* value counts, so ours should come first).
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''
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# The dynamic linker is passed in `ldflagsBefore' to allow
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# explicit overrides of the dynamic linker by callers to ld
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# (the *last* value counts, so ours should come first).
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+ ''
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printWords "''${ldflagsBefore[@]}" > $out/nix-support/libc-ldflags-before
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'')
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# Ensure consistent LC_VERSION_MIN_MACOSX and remove LC_UUID.
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+ optionalString stdenv.targetPlatform.isMacOS ''
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# Ensure consistent LC_VERSION_MIN_MACOSX and remove LC_UUID.
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echo "-macosx_version_min 10.12 -sdk_version 10.12 -no_uuid" >> $out/nix-support/libc-ldflags-before
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''
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+ optionalString (!nativeTools) ''
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##
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## User env support
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##
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##
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## User env support
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##
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# Propagate the underling unwrapped bintools so that if you
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# install the wrapper, you get tools like objdump (same for any
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# binaries of libc).
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# Propagate the underling unwrapped bintools so that if you
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# install the wrapper, you get tools like objdump (same for any
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# binaries of libc).
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+ optionalString (!nativeTools) ''
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printWords ${bintools_bin} ${if libc == null then "" else libc_bin} > $out/nix-support/propagated-user-env-packages
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''
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##
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## Man page and info support
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##
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+ optionalString propagateDoc (''
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##
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## Man page and info support
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##
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ln -s ${bintools.man} $man
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'' + optionalString (bintools ? info) ''
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ln -s ${bintools.info} $info
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'')
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+ ''
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##
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## Hardening support
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##
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##
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## Hardening support
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##
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# some linkers on some platforms don't support specific -z flags
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# some linkers on some platforms don't support specific -z flags
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+ ''
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export hardening_unsupported_flags=""
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if [[ "$($ldPath/${targetPrefix}ld -z now 2>&1 || true)" =~ un(recognized|known)\ option ]]; then
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hardening_unsupported_flags+=" bindnow"
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@ -307,12 +309,11 @@ stdenv.mkDerivation {
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substituteAll ${./add-flags.sh} $out/nix-support/add-flags.sh
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substituteAll ${./add-hardening.sh} $out/nix-support/add-hardening.sh
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substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
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##
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## Extra custom steps
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##
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''
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##
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## Extra custom steps
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##
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+ extraBuildCommands;
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inherit dynamicLinker expand-response-params;
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@ -154,16 +154,18 @@ stdenv.mkDerivation {
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ccPath="${cc}/bin"
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'')
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# Create symlinks to everything in the bintools wrapper.
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+ ''
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# Create symlinks to everything in the bintools wrapper.
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for bbin in $bintools/bin/*; do
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mkdir -p "$out/bin"
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ln -s "$bbin" "$out/bin/$(basename $bbin)"
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done
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''
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# We export environment variables pointing to the wrapped nonstandard
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# cmds, lest some lousy configure script use those to guess compiler
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# version.
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# We export environment variables pointing to the wrapped nonstandard
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# cmds, lest some lousy configure script use those to guess compiler
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# version.
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+ ''
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export named_cc=${targetPrefix}cc
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export named_cxx=${targetPrefix}c++
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@ -228,12 +230,12 @@ stdenv.mkDerivation {
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];
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postFixup =
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# Backwards compatability for packages expecting this file, e.g. with
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# `$NIX_CC/nix-support/dynamic-linker`.
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#
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# TODO(@Ericson2314): Remove this after stable release and force
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# everyone to refer to bintools-wrapper directly.
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''
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# Backwards compatability for packages expecting this file, e.g. with
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# `$NIX_CC/nix-support/dynamic-linker`.
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#
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# TODO(@Ericson2314): Remove this after stable release and force
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# everyone to refer to bintools-wrapper directly.
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if [[ -f "$bintools/nix-support/dynamic-linker" ]]; then
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ln -s "$bintools/nix-support/dynamic-linker" "$out/nix-support"
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fi
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@ -242,40 +244,40 @@ stdenv.mkDerivation {
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fi
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''
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##
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## General Clang support
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##
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+ optionalString isClang ''
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##
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## General Clang support
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##
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echo "-target ${targetPlatform.config}" >> $out/nix-support/cc-cflags
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''
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##
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## GCC libs for non-GCC support
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##
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+ optionalString (isClang && libcxx == null && cc ? gcc) ''
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##
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## GCC libs for non-GCC support
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##
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echo "-B${cc.gcc}/lib/gcc/${targetPlatform.config}/${cc.gcc.version}" >> $out/nix-support/cc-cflags
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echo "-L${cc.gcc}/lib/gcc/${targetPlatform.config}/${cc.gcc.version}" >> $out/nix-support/cc-ldflags
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echo "-L${cc.gcc.lib}/${targetPlatform.config}/lib" >> $out/nix-support/cc-ldflags
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''
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+ optionalString (libc != null) (''
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##
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## General libc support
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##
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##
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## General libc support
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##
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# The "-B${libc_lib}/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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# The "-B${libc_lib}/lib/" flag is a quick hack to force gcc to link
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# against the crt1.o from our own glibc, rather than the one in
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# /usr/lib. (This is only an issue when using an `impure'
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# compiler/linker, i.e., one that searches /usr/lib and so on.)
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#
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# Unfortunately, setting -B appears to override the default search
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# path. Thus, the gcc-specific "../includes-fixed" directory is
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# now longer searched and glibc's <limits.h> header fails to
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# compile, because it uses "#include_next <limits.h>" to find the
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# limits.h file in ../includes-fixed. To remedy the problem,
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# another -idirafter is necessary to add that directory again.
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+ optionalString (libc != null) (''
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echo "-B${libc_lib}${libc.libdir or "/lib/"}" >> $out/nix-support/libc-cflags
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'' + optionalString (!(cc.langD or false)) ''
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echo "-idirafter ${libc_dev}${libc.incdir or "/include"}" >> $out/nix-support/libc-cflags
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@ -289,12 +291,9 @@ stdenv.mkDerivation {
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echo "${libc_dev}" > $out/nix-support/orig-libc-dev
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'')
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+ ''
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##
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## General libc++ support
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##
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''
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##
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## General libc++ support
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##
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+ optionalString (libcxx == null && cc ? gcc) ''
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for dir in ${cc.gcc}/include/c++/*; do
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echo "-isystem $dir" >> $out/nix-support/libcxx-cxxflags
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@ -310,15 +309,15 @@ stdenv.mkDerivation {
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echo "-lc++abi" >> $out/nix-support/libcxx-ldflags
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'')
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+ optionalString (!nativeTools) ''
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##
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## Initial CFLAGS
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##
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##
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## Initial CFLAGS
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##
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# GCC shows ${cc_solib}/lib in `gcc -print-search-dirs', but not
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# ${cc_solib}/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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# GCC shows ${cc_solib}/lib in `gcc -print-search-dirs', but not
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# ${cc_solib}/lib64 (even though it does actually search there...)..
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# This confuses libtool. So add it to the compiler tool search
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# path explicitly.
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+ optionalString (!nativeTools) ''
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if [ -e "${cc_solib}/lib64" -a ! -L "${cc_solib}/lib64" ]; then
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ccLDFlags+=" -L${cc_solib}/lib64"
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ccCFlags+=" -B${cc_solib}/lib64"
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@ -337,22 +336,22 @@ stdenv.mkDerivation {
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echo "$ccCFlags" > $out/nix-support/cc-cflags
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'' + optionalString (targetPlatform.isDarwin && (libcxx != null) && (cc.isClang or false)) ''
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echo " -L${libcxx}/lib" >> $out/nix-support/cc-ldflags
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'' + optionalString propagateDoc ''
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##
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## Man page and info support
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##
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''
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##
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## Man page and info support
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##
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+ optionalString propagateDoc ''
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ln -s ${cc.man} $man
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ln -s ${cc.info} $info
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'' + optionalString (cc.langD or false) ''
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echo "-B${zlib}${zlib.libdir or "/lib/"}" >> $out/nix-support/libc-cflags
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''
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##
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## Hardening support
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##
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+ ''
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##
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## Hardening support
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##
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export hardening_unsupported_flags="${builtins.concatStringsSep " " (cc.hardeningUnsupportedFlags or [])}"
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''
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@ -427,12 +426,11 @@ stdenv.mkDerivation {
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substituteAll ${./add-flags.sh} $out/nix-support/add-flags.sh
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substituteAll ${./add-hardening.sh} $out/nix-support/add-hardening.sh
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substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
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##
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## Extra custom steps
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##
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''
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##
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## Extra custom steps
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##
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+ extraBuildCommands;
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inherit expand-response-params;
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