git-compat-util: don't assume value for undefined variable

Suggested-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/git-compat-util.h b/git-compat-util.h
index 5ef8ff76f6fd262c3109d25d706ebd3db35c73fa..8b4dd5c022a160de5c68d83b6237799c23e6ae0a 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -219,7 +219,7 @@ extern char *gitbasename(char *);
 #define find_last_dir_sep(path) strrchr(path, '/')
 #endif
 
-#if __HP_cc >= 61000
+#if defined(__HP_cc) && (__HP_cc >= 61000)
 #define NORETURN __attribute__((noreturn))
 #define NORETURN_PTR
 #elif defined(__GNUC__) && !defined(NO_NORETURN)