Ticket #50169: moarvm-nojit-in-i386.diff

Portfile

@@ -5 +5 @@
 
 name                MoarVM
 version             2015.12
-revision            1
+revision            2
 categories          lang devel
 platforms           darwin
 license             Artistic-2 MIT BSD ISC public-domain
@@ -24 +24 @@
 
 depends_build       port:perl5
 
+# https://github.com/MoarVM/MoarVM/issues/324
+patchfiles          patch-src-jit-emit_x64.dasc.diff
+
 configure.cmd       ${prefix}/bin/perl Configure.pl
 
 # Unsupported by Configure.pl
 configure.universal_args-delete --disable-dependency-tracking
-# JIT is not supported on anything but x86_64
-# (and universal builds would need a special treatment)
-# automatic disabling of JIT should be implemented/fixed upstream
-# https://github.com/MoarVM/MoarVM/issues/324
-if {[variant_isset universal] || ${configure.build_arch} ne "x86_64"} {
-    configure.args-append --no-jit
-}

files/patch-src-jit-emit_x64.dasc.diff

@@ +1 @@
+https://github.com/MoarVM/MoarVM/issues/324
+https://github.com/MoarVM/MoarVM/commit/6ae4e7fdb82b147df79109f5567d77300c5a6e78
+
+--- src/jit/emit_x64.dasc.orig
++++ src/jit/emit_x64.dasc
+@@ -61,7 +61,15 @@
+ 
+ 
+ const MVMint32 MVM_jit_support(void) {
++#ifdef __i386__
++    /* Usually, this file should only be compiled only on a amd64
++       platform; but when compiling 'fat' or 'universal' binaries, we
++       may compile it for other platform. In this case we use the
++       runtime check to disable the JIT */
++    return 0;
++#else
+     return 1;
++#endif
+ }
+ 
+ const unsigned char * MVM_jit_actions(void) {