casa-mp-base

--- libstuff/lto.c.orig 1969-12-31 16:00:00.000000000 -0800

+++ libstuff/lto.c  2012-09-04 14:59:31.000000000 -0700

@@ -112,13 +112,21 @@ void **pmod) /* maybe NULL */

        lto_path = makestr(prefix, "../lib/libLTO.dylib", NULL);

        lto_handle = dlopen(lto_path, RTLD_NOW);

+       free(lto_path);

+       lto_path = NULL;

        if(lto_handle == NULL){

-       free(lto_path);

-       lto_path = NULL;

-       lto_handle = dlopen("/Applications/Xcode.app/Contents/"

-                   "Developer/Toolchains/XcodeDefault."

-                   "xctoolchain/usr/lib/libLTO.dylib",

-                   RTLD_NOW);

+       const char *lto_paths[] = {

+           "@@LLVM_LIBDIR@@/libLTO.dylib",

+           "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/libLTO.dylib",

+           "/usr/lib/libLTO.dylib",

+           "/Applications/Xcode.app/usr/lib/libLTO.dylib",

+           "/Developer/usr/lib/libLTO.dylib",

+           NULL

+                };

+                const char **p;

+       for(p = lto_paths; *p && !lto_handle ; p++) {

+           lto_handle = dlopen(*p, RTLD_NOW);

+       }

        }

        if(lto_handle == NULL)

        return(0);

@@ -142,8 +150,6 @@ void **pmod) /* maybe NULL */

           lto_get_sym_attr == NULL ||

           lto_get_sym_name == NULL){

        dlclose(lto_handle);

-       if(lto_path != NULL)

-           free(lto_path);

        return(0);

        }

    }