pkgs/development/compilers/ocaml/fix-clang-build-on-osx.diff

   1 diff --git a/configure b/configure
   2 index d45e88f..25d872b 100755
   3 --- a/configure
   4 +++ b/configure
   5 @@ -322,7 +322,14 @@ case "$bytecc,$target" in
   6      bytecccompopts="-fno-defer-pop $gcc_warnings -DSHRINKED_GNUC"
   7      mathlib="";;
   8    *,*-*-darwin*)
   9 -    bytecccompopts="-fno-defer-pop $gcc_warnings"
  10 +    # On recent version of OSX, gcc is a symlink to clang
  11 +    if $bytecc --version | grep -q clang; then
  12 +        # -fno-defer-pop is not supported by clang, and make recent
  13 +        # versions of clang to fail
  14 +        bytecccompopts="$gcc_warnings"
  15 +    else
  16 +        bytecccompopts="-fno-defer-pop $gcc_warnings"
  17 +    fi
  18      mathlib=""
  19      mkexe="$mkexe -Wl,-no_compact_unwind"
  20      # Tell gcc that we can use 32-bit code addresses for threaded code