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-rw-r--r--mesalib/src/mesa/main/imports.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h
index 9922f43e3..315c4119d 100644
--- a/mesalib/src/mesa/main/imports.h
+++ b/mesalib/src/mesa/main/imports.h
@@ -540,6 +540,12 @@ extern void
_mesa_init_sqrt_table(void);
#ifdef __GNUC__
+
+#ifdef __MINGW32__
+#define ffs __builtin_ffs
+#define ffsll __builtin_ffsll
+#endif
+
#define _mesa_ffs(i) ffs(i)
#define _mesa_ffsll(i) ffsll(i)