Add patch to fix strict aliasing breakages.

(Portage version: 2.1.1_pre1)

2 files changed, 64 insertions, 0 deletions

diff --git a/media-libs/libdts/files/digest-libdts-0.0.2-r4 b/media-libs/libdts/files/digest-libdts-0.0.2-r4
new file mode 100644
index 000000000000..4870747344da
--- /dev/null
+++ b/media-libs/libdts/files/digest-libdts-0.0.2-r4
@@ -0,0 +1,3 @@
+MD5 a1c0dac95d7031498c2d19d7a3107469 libdts-0.0.2.tar.gz 295185
+RMD160 c7b904465244b887e6b62f997bcf043d241cf2ce libdts-0.0.2.tar.gz 295185
+SHA256 ef552cedb9addd5c54a1d5adf49c2b5d6932606e7161443bd88a524a9a477595 libdts-0.0.2.tar.gz 295185
diff --git a/media-libs/libdts/files/libdts-0.0.2-strict-aliasing.patch b/media-libs/libdts/files/libdts-0.0.2-strict-aliasing.patch
new file mode 100644
index 000000000000..6db9bd90e9a6
--- /dev/null
+++ b/media-libs/libdts/files/libdts-0.0.2-strict-aliasing.patch
@@ -0,0 +1,61 @@
+Index: libdts-0.0.2/libdts/bitstream.h
+===================================================================
+--- libdts-0.0.2.orig/libdts/bitstream.h
++++ libdts-0.0.2/libdts/bitstream.h
+@@ -28,22 +28,38 @@
+ 
+ #else
+ 
+-#   define swab32(x)\
+-((((uint8_t*)&x)[0] << 24) | (((uint8_t*)&x)[1] << 16) |  \
+- (((uint8_t*)&x)[2] << 8)  | (((uint8_t*)&x)[3]))
++static inline uint32_t swab32(uint32_t x) {
++	union {
++		uint32_t x32;
++		uint16_t x8[4];
++	} u;
++	u.x32 = x;
++	return u.x8[0] << 24 | u.x8[1] << 16 | u.x8[2] << 8 | u.x8[3];
++}
+ 
+ #endif
+ 
+ #ifdef WORDS_BIGENDIAN
+ 
+-#   define swable32(x)\
+-((((uint8_t*)&x)[0] << 16) | (((uint8_t*)&x)[1] << 24) |  \
+- (((uint8_t*)&x)[2])  | (((uint8_t*)&x)[3] << 8))
++static inline uint32_t swable32(uint32_t x) {
++	union {
++		uint32_t x32;
++		uint16_t x8[4];
++	} u;
++	u.x32 = x;
++	return u.x8[0] << 16 | u.x8[1] << 24 | u.x8[2] | u.x8[3] << 8;
++}
+ 
+ #else
+ 
+-#   define swable32(x)\
+-((((uint16_t*)&x)[0] << 16) | (((uint16_t*)&x)[1]))
++static inline uint32_t swable32(uint32_t x) {
++	union {
++		uint32_t x32;
++		uint16_t x16[2];
++	} u;
++	u.x32 = x;
++	return u.x16[0] << 16 | u.x16[1];
++}
+ 
+ #endif
+ 
+Index: libdts-0.0.2/libao/Makefile.am
+===================================================================
+--- libdts-0.0.2.orig/libao/Makefile.am
++++ libdts-0.0.2/libao/Makefile.am
+@@ -1,4 +1,4 @@
+-AM_CFLAGS = $(OPT_CFLAGS)
++AM_CFLAGS = $(OPT_CFLAGS) -fno-strict-aliasing
+ 
+ noinst_LIBRARIES = libao.a
+ libao_a_SOURCES = audio_out.c audio_out_null.c audio_out_float.c \