Ticket #19679: llvm-global_lto.diff

llvm/Portfile

@@ -4 +4 @@
 
 name                    llvm
 version                 2.6
-revision                2
+revision                3
 categories              lang
 platforms               darwin
 use_parallel_build      yes
 maintainers             erickt openmaintainer
+license                 University of Illinois/NCSA Open Source License
 description             llvm is a next generation compiler infrastructure
 long_description        llvm brings tools to work on the llvm intermediate \
                         language incl. a C and C++ frontend.
@@ -85 +86 @@
     configure.args-append --enable-targets=host-only
 }
 
+# possibly conditionalize this to be available on darwin 9 and 10 only
+variant global_lto description {Install libLTO globally to enable -flto and -O4 everywhere} {
+    post-destroot {
+        file mkdir ${destroot}/usr/lib
+        file link -symbolic ${destroot}/usr/lib/libLTO.dylib ${prefix}/lib/libLTO.dylib
+    }
+}
+
 livecheck.type  regex
 livecheck.url   ${homepage}releases/
-livecheck.regex {'(\d+(?:\.\d+)*)'}
+livecheck.regex {'(\d+\.\d+)'}