external/jpeg-turbo: Work around -fsanitize=shift

Change-Id: I9ba85592a0d4d2052dd05abb8f4d2976ec1c95cc

2 files changed, 34 insertions, 0 deletions

diff --git a/external/jpeg-turbo/UnpackedTarball_jpeg-turbo.mk b/external/jpeg-turbo/UnpackedTarball_jpeg-turbo.mk
index 2cb2aa44a627..7f974228d5d0 100644
--- a/external/jpeg-turbo/UnpackedTarball_jpeg-turbo.mk
+++ b/external/jpeg-turbo/UnpackedTarball_jpeg-turbo.mk
@@ -11,9 +11,12 @@ $(eval $(call gb_UnpackedTarball_UnpackedTarball,jpeg-turbo))
 
 $(eval $(call gb_UnpackedTarball_set_tarball,jpeg-turbo,$(JPEG_TURBO_TARBALL)))
 
+$(eval $(call gb_UnpackedTarball_set_patchlevel,jpeg-turbo,0))
+
 $(eval $(call gb_UnpackedTarball_add_patches,jpeg-turbo,\
 	external/jpeg-turbo/jpeg-turbo.build.patch.1 \
 	$(if $(filter WNT,$(OS)),external/jpeg-turbo/jpeg-turbo.win_build.patch.1) \
+	external/jpeg-turbo/ubsan.patch \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/external/jpeg-turbo/ubsan.patch b/external/jpeg-turbo/ubsan.patch
new file mode 100644
index 000000000000..fcd5bcf85cbb
--- /dev/null
+++ b/external/jpeg-turbo/ubsan.patch
@@ -0,0 +1,31 @@
+--- jdhuff.c
++++ jdhuff.c
+@@ -489,7 +489,7 @@
+ #define AVOID_TABLES
+ #ifdef AVOID_TABLES
+ 
+-#define HUFF_EXTEND(x,s)  ((x) + ((((x) - (1<<((s)-1))) >> 31) & (((-1)<<(s)) + 1)))
++#define HUFF_EXTEND(x,s)  ((x) + ((((x) - (1<<((s)-1))) >> 31) & (((unsigned)-1<<(s)) + 1)))
+ 
+ #else
+ 
+--- jdphuff.c
++++ jdphuff.c
+@@ -201,7 +201,7 @@
+ #define AVOID_TABLES
+ #ifdef AVOID_TABLES
+ 
+-#define HUFF_EXTEND(x,s)  ((x) < (1<<((s)-1)) ? (x) + (((-1)<<(s)) + 1) : (x))
++#define HUFF_EXTEND(x,s)  ((x) < (1<<((s)-1)) ? (x) + (((unsigned)-1<<(s)) + 1) : (x))
+ 
+ #else
+ 
+@@ -334,7 +334,7 @@
+       s += state.last_dc_val[ci];
+       state.last_dc_val[ci] = s;
+       /* Scale and output the coefficient (assumes jpeg_natural_order[0]=0) */
+-      (*block)[0] = (JCOEF) (s << Al);
++      (*block)[0] = (JCOEF) ((unsigned)s << Al);
+     }
+ 
+     /* Completed MCU, so update state */