Ticket #49241: Portfile.diff

Portfile

@@ -6 +6 @@
 
 name                    llvm-gcc42
 version                 2336.11
-revision                2
+revision                3
 set gcc_version         4.2.1
 categories              lang
 platforms               darwin
@@ -37 +37 @@
 
 supported_archs i386 x86_64
 
-if {${os.platform} eq "darwin" && ${os.major} >= 15} {
-    depends_lib
-    depends_run
-    archive_sites
-    pre-fetch {
-        ui_error "${name} is not supported on El Capitan or later."
-        return -code error {unsupported platform}
-    }
-}
-
 select.group    gcc
 select.file     ${filespath}/mp-llvm-gcc42
 
@@ -54 +44 @@
 set objroot ${workpath}/objroot
 set symroot ${workpath}/symroot
 
-# https://trac.macports.org/ticket/42899
-# TODO: Fix it to build with newer clang
-compiler.blacklist-append {clang > 503} macports-clang-3.4 macports-clang-3.5 macports-clang-3.6 macports-clang-3.7
-
 # Don't compile with self
 compiler.blacklist-append macports-llvm-gcc-4.2
 
@@ -82 +68 @@
         autogen.patch \
         fixincludes.patch
 
+if {[string match *clang* ${configure.cc}]} {
+    patchfiles-append clang-optimization.patch
+}
+
 post-extract {
     xinstall -W ${filespath} build_gcc ${worksrcpath}
 }
@@ -130 +120 @@
     if {[string match "*clang*" ${configure.compiler}]} {
         reinplace "s:--enable-werror : :" ${worksrcpath}/build_gcc
     }
+
+    # ltmain.sh notes 'On all known operating systems, these are identical', and -module has gone
+    # away with Apple's clang-3.4
+    if {[string match *clang* ${configure.cc}]} {
+         reinplace "s:module:export_dynamic:" ${worksrcpath}/llvmCore/Makefile.rules
+         reinplace "s:-no-undefined::" ${worksrcpath}/llvmCore/tools/lto/Makefile
+    }
 }
 
 compiler.cpath /usr/include