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all: add macros to suppress compiler warnings

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Signed-off-by: Thomas Haller <thaller@redhat.com>
This commit is contained in:
Thomas Haller
2014-10-31 20:46:39 +01:00
parent b0e29b5bd3
commit e2179f0911
1 changed files with 41 additions and 0 deletions
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41
include/nm-utils-internal.h
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@@ -23,6 +23,10 @@
#define __NM_UTILS_INTERNAL_H__
#include <glib.h>
/********************************************************/
/* http://stackoverflow.com/a/11172679 */
#define _NM_UTILS_MACRO_FIRST(...) __NM_UTILS_MACRO_FIRST_HELPER(__VA_ARGS__, throwaway)
#define __NM_UTILS_MACRO_FIRST_HELPER(first, ...) first
@@ -40,5 +44,42 @@
TWOORMORE, TWOORMORE, TWOORMORE, ONE, throwaway)
#define __NM_UTILS_MACRO_REST_SELECT_20TH(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, ...) a20
/********************************************************/
#if defined (__GNUC__)
#define _NM_PRAGMA_WARNING_DO(warning) G_STRINGIFY(GCC diagnostic ignored warning)
#elif defined (__clang__)
#define _NM_PRAGMA_WARNING_DO(warning) G_STRINGIFY(clang diagnostic ignored warning)
#endif
/* you can only suppress a specific warning that the compiler
* understands. Otherwise you will get another compiler warning
* about invalid pragma option.
* It's not that bad however, because gcc and clang often have the
* same name for the same warning. */
#if defined (__GNUC__)
#define NM_PRAGMA_WARNING_DISABLE(warning) \
_Pragma("GCC diagnostic push"); \
_Pragma(_NM_PRAGMA_WARNING_DO(warning))
#elif defined (__clang__)
#define NM_PRAGMA_WARNING_DISABLE(warning) \
_Pragma("clang diagnostic push"); \
_Pragma(_NM_PRAGMA_WARNING_DO(warning))
#else
#define NM_PRAGMA_WARNING_DISABLE(warning)
#endif
#if defined (__GNUC__)
#define NM_PRAGMA_WARNING_REENABLE \
_Pragma("GCC diagnostic pop")
#elif defined (__clang__)
#define NM_PRAGMA_WARNING_REENABLE \
_Pragma("clang diagnostic pop")
#else
#define NM_PRAGMA_WARNING_REENABLE
#endif
/********************************************************/
#endif