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author | Sergei Trofimovich <slyich@gmail.com> | 2023-01-14 08:18:56 +0000 |
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committer | GitHub <noreply@github.com> | 2023-01-14 08:18:56 +0000 |
commit | 67a3a14f240c8f2a0175b4af7f905acd57987716 (patch) | |
tree | 3e857e80b7852f4a49c3b6ef68dca8821939b6e6 /pkgs/build-support/cc-wrapper | |
parent | 1bc0b7ad629850c64226a2a9a364d7f1ef57c6e6 (diff) | |
parent | 8c80bd08b7e39229947d55104d1871f5066437d9 (diff) |
Merge pull request #210004 from trofi/cc-fake-sysroot
build-support/cc-wrapper: pass in non-existent --sysroot= to untangle…
Diffstat (limited to 'pkgs/build-support/cc-wrapper')
-rw-r--r-- | pkgs/build-support/cc-wrapper/default.nix | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix index 33455efd5258b..44db6d3fc529b 100644 --- a/pkgs/build-support/cc-wrapper/default.nix +++ b/pkgs/build-support/cc-wrapper/default.nix @@ -332,11 +332,18 @@ stdenv.mkDerivation { # compile, because it uses "#include_next <limits.h>" to find the # limits.h file in ../includes-fixed. To remedy the problem, # another -idirafter is necessary to add that directory again. + # + # We use --sysroot=/nix/store/does/not/exist to drop embedded default + # path to glibc headers gcc was built against. Without it -idirafter + # only appends to the list and outdated glibc headers end up being + # used. 'cc-cflags-before' is used to allow user's --sysroot= option + # to override our default. + optionalString (libc != null) ('' touch "$out/nix-support/libc-cflags" touch "$out/nix-support/libc-ldflags" echo "-B${libc_lib}${libc.libdir or "/lib/"}" >> $out/nix-support/libc-crt1-cflags '' + optionalString (!(cc.langD or false)) '' + echo "--sysroot=/nix/store/does/not/exist" >> $out/nix-support/cc-cflags-before echo "-idirafter ${libc_dev}${libc.incdir or "/include"}" >> $out/nix-support/libc-cflags '' + optionalString (isGNU && (!(cc.langD or false))) '' for dir in "${cc}"/lib/gcc/*/*/include-fixed; do |