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authorSami Kerola2018-12-02 17:28:22 +0100
committerSami Kerola2018-12-02 17:28:22 +0100
commit3ccbdf7aa494ce854d9f346ab6bd6f51b952ff32 (patch)
tree53457e1bccb592aab54c9ad3662d9239e396ae1c
parenttests: make lsns-netnsid portable (diff)
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include/c: check returns_nonnull function attribute with __GNUC_PREREQ
Karel pointed out previous commit could have been better in github feedback, so lets use the version check macro instead of compare versions directly. Previous-commit: f1b327f8d5c8de7bf7fae99e85765d0954a25bac Reference: https://github.com/karelzak/util-linux/pull/704#issuecomment-432605211 Signed-off-by: Sami Kerola <kerolasa@iki.fi>
-rw-r--r--include/c.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/c.h b/include/c.h
index 8b2a2d19a..059fadf0b 100644
--- a/include/c.h
+++ b/include/c.h
@@ -80,7 +80,7 @@
# endif
#endif
-#if (__GNUC__ >= 5) || ((__GNUC__ >= 4) && (__GNUC_MINOR__ >= 9))
+#if __GNUC_PREREQ (4, 9)
# define __ul_returns_nonnull __attribute__((returns_nonnull))
#else
# define __ul_returns_nonnull