fix: Clang doesn't recognize GCC attribute

In GCC, we use __attribute__((optimize(0))) to turn off compiler optimization. However, in Clang we should use optnone instead of optimize(0). closes: #68
argtable · Jun 12, 2021 · 7704006 · 7704006
1 parent 0652e9a
commit 7704006
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/arg_rex.c b/src/arg_rex.c
@@ -96,7 +96,9 @@ typedef struct {
     int len;
 } TRexMatch;
 
-#ifdef __GNUC__
+#if defined(__clang__)
+TREX_API TRex* trex_compile(const TRexChar* pattern, const TRexChar** error, int flags) __attribute__((optnone));
+#elif defined(__GNUC__)
 TREX_API TRex* trex_compile(const TRexChar* pattern, const TRexChar** error, int flags) __attribute__((optimize(0)));
 #else
 TREX_API TRex* trex_compile(const TRexChar* pattern, const TRexChar** error, int flags);