X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=compat%2Fcompat.h;h=0c4ac66ff5912bee6d38621218ef912b16f88c2e;hb=49a0b96486242ca4fc4d26e5b01a34e9df7a9f9f;hp=7767fe84a68580dbd2d2953f99645eda81403cac;hpb=aab54b4ce752b16725399d1543602ef3f7736c91;p=notmuch

diff --git a/compat/compat.h b/compat/compat.h
index 7767fe84..0c4ac66f 100644
--- a/compat/compat.h
+++ b/compat/compat.h
@@ -30,6 +30,13 @@
 extern "C" {
 #endif
 
+#if !STD_GETPWUID
+#define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+#if !STD_ASCTIME
+#define _POSIX_PTHREAD_SEMANTICS 1
+#endif
+
 #if !HAVE_GETLINE
 #include <stdio.h>
 #include <unistd.h>
@@ -46,6 +53,14 @@ getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp);
 char* strcasestr(const char *haystack, const char *needle);
 #endif /* !HAVE_STRCASESTR */
 
+/* Silence gcc warnings about unused results.  These warnings exist
+ * for a reason; any use of this needs to be justified. */
+#ifdef __GNUC__
+#define IGNORE_RESULT(x) ({ __typeof__(x) __z = (x); (void)(__z = __z); })
+#else /* !__GNUC__ */
+#define IGNORE_RESULT(x) x
+#endif /* __GNUC__ */
+
 #ifdef __cplusplus
 }
 #endif