Proxy detection of glibc feature test convention

Smithsonian · Dec 17, 2024 · b7f4f26 · b7f4f26
1 parent e25d5be
commit b7f4f26
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/src/super.c b/src/super.c
@@ -12,7 +12,7 @@
 // gcc 5.1 was released 2015-04-22...
 #ifndef __GNUC__
 #  define _DEFAULT_SOURCE         ///< strcasecmp() feature macro starting glibc 2.20 (2014-09-08)
-#elif __GNUC__ >= 5 || __clang__
+#elif __GNUC__ >= 5
 #  define _DEFAULT_SOURCE         ///< strcasecmp() feature macro starting glibc 2.20 (2014-09-08)
 #else
 #  define _BSD_SOURCE             ///< strcasecmp() feature macro for glibc <= 2.19

diff --git a/test/src/test-super.c b/test/src/test-super.c
@@ -8,10 +8,12 @@
 
 // We'll use gcc major version as a proxy for the glibc library to decide which feature macro to use.
 // gcc 5.1 was released 2015-04-22...
-#if __GNUC__ >= 5 || __clang__
-#  define _DEFAULT_SOURCE        ///< strcasdecmp() feature macro starting glibc 2.20 (2014-09-08)
+#ifndef __GNUC__
+#  define _DEFAULT_SOURCE        ///< strcasecmp() feature macro starting glibc 2.20 (2014-09-08)
+#elif __GNUC__ >= 5
+#  define _DEFAULT_SOURCE        ///< strcasecmp() feature macro starting glibc 2.20 (2014-09-08)
 #else
-#  define _BSD_SOURCE           ///< strcasecmp() feature macro for glibc <= 2.19
+#  define _BSD_SOURCE            ///< strcasecmp() feature macro for glibc <= 2.19
 #endif
 
 #include <stdio.h>