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authorBruno Haible <bruno@clisp.org>2009-12-10 00:50:30 +0100
committerBruno Haible <bruno@clisp.org>2009-12-10 00:50:30 +0100
commit5d633fba9b2bef7246f91b350c19071f26e5f7af (patch)
treef4db623feda725a7c4daa69ed93d4a2cd6a7abad /lib
parentf0da41c71fba8c6b9ff54253917bff3f0b8a9b8e (diff)
downloadlibunistring-5d633fba9b2bef7246f91b350c19071f26e5f7af.tar.gz
Ensure _UNUSED_PARAMETER_ is defined in the public header files.
Diffstat (limited to 'lib')
-rw-r--r--lib/Makefile.am3
-rw-r--r--lib/unistring/cdefs.h31
2 files changed, 34 insertions, 0 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 2c8da9d..f9efa8f 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -155,6 +155,9 @@ CLEANFILES += unistring/iconveh.h
# unistring/version.h is public.
nobase_nodist_include_HEADERS += unistring/version.h
+# unistring/cdefs.h is not public, but is included by other header files.
+nobase_nodist_include_HEADERS += unistring/cdefs.h
+
# unistring/woe32dll.h is not public, but is included by other header files.
nobase_nodist_include_HEADERS += unistring/woe32dll.h
diff --git a/lib/unistring/cdefs.h b/lib/unistring/cdefs.h
new file mode 100644
index 0000000..23c339c
--- /dev/null
+++ b/lib/unistring/cdefs.h
@@ -0,0 +1,31 @@
+/* Common macro definitions for C include files.
+ Copyright (C) 2009 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _UNISTRING_CDEFS_H
+#define _UNISTRING_CDEFS_H
+
+/* Define as a marker that can be attached to function parameter declarations
+ for parameters that are not used. This helps to reduce warnings, such as
+ from GCC -Wunused-parameter. */
+#ifndef _UNUSED_PARAMETER_
+# if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define _UNUSED_PARAMETER_ __attribute__ ((__unused__))
+# else
+# define _UNUSED_PARAMETER_
+# endif
+#endif
+
+#endif /* _UNISTRING_CDEFS_H */