X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsd-daemon.h;h=fdf3cc03548cce17bd94bb5811dd00edccbd761e;hp=008a44c1d21b77270344ce338dbefa429be1e238;hb=9865f3b4cacabf78ddfdca5973c44cecbbf3d2a5;hpb=e702c2c07df401a3cf5f7e107b3b2560a8c35af1

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 008a44c1d..fdf3cc035 100644
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -67,17 +67,21 @@ extern "C" {
   See sd-daemon(7) for more information.
 */
 
+#ifndef _sd_printf_attr_
 #if __GNUC__ >= 4
 #define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b)))
 #else
 #define _sd_printf_attr_(a,b)
 #endif
+#endif
 
+#ifndef _sd_hidden_
 #if (__GNUC__ >= 4) && !defined(SD_EXPORT_SYMBOLS)
 #define _sd_hidden_ __attribute__ ((visibility("hidden")))
 #else
 #define _sd_hidden_
 #endif
+#endif
 
 /*
   Log levels for usage on stderr: