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-rw-r--r--recipes-wam/chromium/files/chromium-skia-no_sanitize.patch63
1 files changed, 63 insertions, 0 deletions
diff --git a/recipes-wam/chromium/files/chromium-skia-no_sanitize.patch b/recipes-wam/chromium/files/chromium-skia-no_sanitize.patch
new file mode 100644
index 000000000..abfba57ab
--- /dev/null
+++ b/recipes-wam/chromium/files/chromium-skia-no_sanitize.patch
@@ -0,0 +1,63 @@
+From 04765936a0a8dd3ac3f530786fce6b5cea826d3e Mon Sep 17 00:00:00 2001
+From: Roger Zanoni <rzanoni@igalia.com>
+Date: Wed, 24 Feb 2021 13:50:27 +0100
+Subject: [PATCH] [skia][build] fix skia no_sanitize build issues for gcc
+
+Based on https://src.fedoraproject.org/rpms/chromium/blob/rawhide/f/chromium-skia-no_sanitize.patch
+
+---
+ .../skia/include/private/SkFloatingPoint.h | 24 +++++++++++++++++++
+ 1 file changed, 24 insertions(+)
+
+diff --git a/src/third_party/skia/include/private/SkFloatingPoint.h b/src/third_party/skia/include/private/SkFloatingPoint.h
+index 110dda2ae4..8223e9b57d 100644
+--- a/src/third_party/skia/include/private/SkFloatingPoint.h
++++ b/src/third_party/skia/include/private/SkFloatingPoint.h
+@@ -159,7 +159,15 @@ static inline int64_t sk_float_saturate2int64(float x) {
+ // Cast double to float, ignoring any warning about too-large finite values being cast to float.
+ // Clang thinks this is undefined, but it's actually implementation defined to return either
+ // the largest float or infinity (one of the two bracketing representable floats). Good enough!
++#if defined(__GNUC__) && __GNUC__ >= 8
++__attribute__((no_sanitize("float-cast-overflow")))
++#else
++# if defined(__GNUC__)
++__attribute__((no_sanitize_undefined))
++# else
+ [[clang::no_sanitize("float-cast-overflow")]]
++# endif
++#endif
+ static inline float sk_double_to_float(double x) {
+ return static_cast<float>(x);
+ }
+@@ -226,12 +234,28 @@ static inline float sk_float_rsqrt(float x) {
+ // IEEE defines how float divide behaves for non-finite values and zero-denoms, but C does not
+ // so we have a helper that suppresses the possible undefined-behavior warnings.
+
++#if defined(__GNUC__) && __GNUC__ >= 8
++__attribute__((no_sanitize("float-divide-by-zero")))
++#else
++# if defined(__GNUC__)
++__attribute__((no_sanitize_undefined))
++# else
+ [[clang::no_sanitize("float-divide-by-zero")]]
++# endif
++#endif
+ static inline float sk_ieee_float_divide(float numer, float denom) {
+ return numer / denom;
+ }
+
++#if defined(__GNUC__) && __GNUC__ >= 8
++__attribute__((no_sanitize("float-cast-overflow")))
++#else
++# if defined(__GNUC__)
++__attribute__((no_sanitize_undefined))
++# else
+ [[clang::no_sanitize("float-divide-by-zero")]]
++# endif
++#endif
+ static inline double sk_ieee_double_divide(double numer, double denom) {
+ return numer / denom;
+ }
+--
+2.30.1
+