Replace local checks for gcc with _X_NORETURN from xproto 7.0.17

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

2 files changed, 2 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index ceda069..9091163 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,7 +39,7 @@ XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
 # Checks for pkg-config packages
-PKG_CHECK_MODULES(XWD, x11)
+PKG_CHECK_MODULES(XWD, [x11 xproto >= 7.0.17])
 
 AC_CONFIG_FILES([
 	Makefile
diff --git a/dsimple.h b/dsimple.h
index 1c7fb5a..7bf4d47 100644
--- a/dsimple.h
+++ b/dsimple.h
@@ -76,9 +76,5 @@ void usage(void);
 
 Window Select_Window(Display *, int);
 Window Window_With_Name(Display *, Window, const char *);
-#ifdef __GNUC__
-void Fatal_Error(char *, ...) __attribute__((__noreturn__));
-#else
-void Fatal_Error(char *, ...);
-#endif
+void Fatal_Error(char *, ...) _X_NORETURN;
 void outl(char *, ...);