diff options
Diffstat (limited to 'dev-util/mingw64-runtime/files/mingw64-runtime-8.0.0-__rdtsc.patch')
| -rw-r--r-- | dev-util/mingw64-runtime/files/mingw64-runtime-8.0.0-__rdtsc.patch | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/dev-util/mingw64-runtime/files/mingw64-runtime-8.0.0-__rdtsc.patch b/dev-util/mingw64-runtime/files/mingw64-runtime-8.0.0-__rdtsc.patch new file mode 100644 index 000000000000..df06f041c8c2 --- /dev/null +++ b/dev-util/mingw64-runtime/files/mingw64-runtime-8.0.0-__rdtsc.patch @@ -0,0 +1,25 @@ +https://bugs.gentoo.org/786549 + +gcc-11 defines __rdtsc as a macro: + // include/ia32intrin.h:110 + #define __rdtsc() __builtin_ia32_rdtsc () +and causes build failure: + intrincs/rdtsc.c:15:30: error: macro "__rdtsc" passed 1 arguments, but takes just 0 + 15 | unsigned __int64 __rdtsc(void) + | ^ + +Let's avoid __rdtsc definition on systems with #define __rdtsc present. + +There is still a chance that it might be a '#define __rdtsc __rdtsc'. +We'll revisit it then. +--- a/mingw-w64-crt/intrincs/rdtsc.c ++++ b/mingw-w64-crt/intrincs/rdtsc.c +@@ -11,7 +11,7 @@ + #define __has_builtin(x) 0 + #endif + +-#if !__has_builtin(__rdtsc) ++#if !__has_builtin(__rdtsc) && !defined(__rdtsc) + unsigned __int64 __rdtsc(void) + { + #ifdef _WIN64 |