[PATCH 18/37] pseudoramiX: Clean up warnings. Only compile on XQUARTZ.

[Keith Packard]

Add gnu_printf attributes to debug functions.

PseudoramiXExtensionInit() is not defined in extinit.h if it won't be
used and we get a compiler warning when compiling the pseudoramiX code.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 Makefile.am               | 6 +++++-
 configure.ac              | 2 ++
 pseudoramiX/pseudoramiX.c | 6 ++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 5bf760b..641cc00 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -25,6 +25,10 @@ if PRESENT
 PRESENT_DIR=present
 endif
 
+if PSEUDORAMIX
+PSEUDORAMIX_DIR=pseudoramiX
+endif
+
 SUBDIRS = \
 	doc \
 	man \
@@ -35,11 +39,11 @@ SUBDIRS = \
 	Xext \
 	miext \
 	os \
-	pseudoramiX \
 	randr \
 	render  \
 	Xi \
 	xkb \
+	$(PSEUDORAMIX_DIR) \
 	$(DBE_DIR) \
 	$(RECORD_DIR) \
 	xfixes \
diff --git a/configure.ac b/configure.ac
index 1e6f813..5b7823e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2113,6 +2113,8 @@ if test "x$XQUARTZ" = xyes; then
 	fi
 fi
 
+AM_CONDITIONAL(PSEUDORAMIX, [test "x$XQUARTZ" = xyes ])
+
 # Support for objc in autotools is minimal and not documented.
 OBJC='$(CC)'
 OBJCLD='$(CCLD)'
diff --git a/pseudoramiX/pseudoramiX.c b/pseudoramiX/pseudoramiX.c
index 23dbc73..90ae67e 100644
--- a/pseudoramiX/pseudoramiX.c
+++ b/pseudoramiX/pseudoramiX.c
@@ -98,6 +98,9 @@ static int pseudoramiXScreensAllocated = 0;
 static int pseudoramiXNumScreens = 0;
 static unsigned long pseudoramiXGeneration = 0;
 
+#if defined(__GNUC__) && (__GNUC__ > 3)
+__attribute__((format(gnu_printf, 1, 2)))
+#endif
 static void
 PseudoramiXTrace(const char *format, ...)
 {
@@ -108,6 +111,9 @@ PseudoramiXTrace(const char *format, ...)
     va_end(ap);
 }
 
+#if defined(__GNUC__) && (__GNUC__ > 3)
+__attribute__((format(gnu_printf, 1, 2)))
+#endif
 static void
 PseudoramiXDebug(const char *format, ...)
 {
-- 
1.8.4.2