GNU Guile 1.8: Fix builds with GCC 4.5.

svn path=/nixpkgs/branches/stdenv-updates/; revision=22369

pkgs/development/interpreters/guile/cpp-4.5.patch

@@ -0,0 +1,24 @@
+Fix doc snarfing with GCC 4.5.
+From <http://git.savannah.gnu.org/cgit/guile.git/commit/?h=branch_release-1-8&id=aac41d28358cea594bb30f6e547afb82bb6004a6>.
+
+diff --git a/scripts/snarf-check-and-output-texi b/scripts/snarf-check-and-output-texi
+index ea33e17..8cd42e8 100755
+--- a/scripts/snarf-check-and-output-texi
++++ b/scripts/snarf-check-and-output-texi
+@@ -267,6 +267,17 @@ exec ${GUILE-guile} -l $0 -c "(apply $main (cdr (command-line)))" "$@"
+       (set! *file* file)
+       (set! *line* line))
+ 
++     ;; newer gccs like to throw around more location markers into the
++     ;; preprocessed source; these (hash . hash) bits are what they translate to
++     ;; in snarfy terms.
++     (('location ('string . file) ('int . line) ('hash . 'hash))
++      (set! *file* file)
++      (set! *line* line))
++
++     (('location ('hash . 'hash) ('string . file) ('int . line) ('hash . 'hash))
++      (set! *file* file)
++      (set! *line* line))
++
+      (('arglist rest ...)
+       (set! *args* (do-arglist rest)))

pkgs/development/interpreters/guile/default.nix

@@ -9,6 +9,8 @@ stdenv.mkDerivation rec {
     sha256 = "1czhcrn6l63xhsw3fjmv88djflqxbdpxjhgmwwvscm8rv4wn7vmz";
   };
 
+  patches = [ ./cpp-4.5.patch ];
+
   buildNativeInputs = [ makeWrapper gawk ];
   propagatedBuildInputs = [ readline gmp libtool ];
   selfBuildNativeInput = true;
@@ -31,6 +33,8 @@ stdenv.mkDerivation rec {
 
   # One test fails.
   # ERROR: file: "libtest-asmobs", message: "file not found"
+  # This is fixed here:
+  # <http://git.savannah.gnu.org/cgit/guile.git/commit/?h=branch_release-1-8&id=a0aa1e5b69d6ef0311aeea8e4b9a94eae18a1aaf>.
   doCheck = false;
 
   setupHook = ./setup-hook.sh;