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authorDaiderd Jordan <daiderd@gmail.com>2017-08-09 19:35:07 +0200
committerGitHub <noreply@github.com>2017-08-09 19:35:07 +0200
commitc839b6ce0ae75537f557202f941000662c7ac2d7 (patch)
tree961e049934bccbf48641296c6704d29cea7b7f3c /pkgs
parent10bcf0818f47b460d73c812ba50a2d50884bacd2 (diff)
parentbc5160eacde131d83c3a25827963a676d1391abe (diff)
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Merge pull request #28050 from LnL7/darwin-gcc
gcc and gdb: fix clang build
Diffstat (limited to 'pkgs')
-rw-r--r--pkgs/development/compilers/gcc/5/default.nix8
-rw-r--r--pkgs/development/tools/misc/gdb/default.nix7
2 files changed, 14 insertions, 1 deletions
diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
index e95ef92c3f65..c9780077835e 100644
--- a/pkgs/development/compilers/gcc/5/default.nix
+++ b/pkgs/development/compilers/gcc/5/default.nix
@@ -325,7 +325,13 @@ stdenv.mkDerivation ({
 
   NIX_LDFLAGS = stdenv.lib.optionalString  hostPlatform.isSunOS "-lm -ldl";
 
-  preConfigure = stdenv.lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
+  preConfigure =
+    # Not sure why this is causing problems, now that the stdenv
+    # exports CPP=cpp the build fails with strange errors on darwin.
+    # https://github.com/NixOS/nixpkgs/issues/27889
+    stdenv.lib.optionalString stdenv.cc.isClang ''
+    unset CPP
+  '' + stdenv.lib.optionalString (hostPlatform.isSunOS && hostPlatform.is64bit) ''
     export NIX_LDFLAGS=`echo $NIX_LDFLAGS | sed -e s~$prefix/lib~$prefix/lib/amd64~g`
     export LDFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $LDFLAGS_FOR_TARGET"
     export CXXFLAGS_FOR_TARGET="-Wl,-rpath,$prefix/lib/amd64 $CXXFLAGS_FOR_TARGET"
diff --git a/pkgs/development/tools/misc/gdb/default.nix b/pkgs/development/tools/misc/gdb/default.nix
index 02ff52155b1c..410fd36ef252 100644
--- a/pkgs/development/tools/misc/gdb/default.nix
+++ b/pkgs/development/tools/misc/gdb/default.nix
@@ -66,6 +66,13 @@ stdenv.mkDerivation rec {
     ++ stdenv.lib.optional (!pythonSupport) "--without-python"
     ++ stdenv.lib.optional multitarget "--enable-targets=all";
 
+  preConfigure =
+    # Not sure why this is causing problems, now that the stdenv
+    # exports CPP=cpp the build fails with strange errors on darwin.
+    stdenv.lib.optionalString stdenv.cc.isClang ''
+      unset CPP
+    '';
+
   postInstall =
     '' # Remove Info files already provided by Binutils and other packages.
        rm -v $out/share/info/bfd.info