libffi: Patch for building with clang on arm

diff --git a/packages/libffi/src-arm-sysv.S.patch b/packages/libffi/src-arm-sysv.S.patch
new file mode 100644 (file)
index 0000000..3ef6022
--- /dev/null
+++ b/packages/libffi/src-arm-sysv.S.patch
@@ -0,0 +1,17 @@
+Patch to allow building libffi using clang:
+  https://github.com/libffi/libffi/issues/191
+
+Can be dropped after the next libffi release.
+
+diff -u -r ../libffi-3.2.1/src/arm/sysv.S ./src/arm/sysv.S
+--- ../libffi-3.2.1/src/arm/sysv.S     2014-11-08 07:47:24.000000000 -0500
++++ ./src/arm/sysv.S   2016-05-16 20:37:25.684302345 -0400
+@@ -396,7 +396,7 @@
+       beq     LSYM(Lepilogue_vfp)
+ 
+       cmp     r3, #FFI_TYPE_SINT64
+-      stmeqia r2, {r0, r1}
++      stmiaeq r2, {r0, r1}
+       beq     LSYM(Lepilogue_vfp)
+ 
+       cmp     r3, #FFI_TYPE_FLOAT