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Improve GLIB_DEPRECATED_MACRO_FOR output

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See the mailing list thread <https://lists.fedoraproject.org/archives/list/
devel@lists.fedoraproject.org/thread/SZ676IHHSLOQD6UN2I5J5VKXJ5P5SOVO/>
"glib-2.0 G_CONST_RETURN causing GCC 'warning: const' on F31", where the GCC
diagnostic

> test.c:2:13: warning: const
>     2 | G_CONST_RETURN char * f();
>       |             ^~~~~~~

had confused me, and "Deprecated pre-processor symbol, repace with const" is
probably a better warning message than just "const".

(That recent GCC only prints "Deprecated pre-processor symbol, repace with "
appears to be a bug in GCC that GLIB_UNAVAILABLE_MACRO already suffers from,
too.  Recent Clang correctly prints "Deprecated pre-processor symbol, repace
with const".)
This commit is contained in:
Stephan Bergmann 2019-09-26 08:42:30 +02:00
parent 02a7af780b
commit 91cb171057
1 changed files with 1 additions and 1 deletions
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2
glib/gmacros.h
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@ -987,7 +987,7 @@
__clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 4))
#define _GLIB_GNUC_DO_PRAGMA(x) _Pragma(G_STRINGIFY (x))
#define GLIB_DEPRECATED_MACRO _GLIB_GNUC_DO_PRAGMA(GCC warning "Deprecated pre-processor symbol")
#define GLIB_DEPRECATED_MACRO_FOR(f) _GLIB_GNUC_DO_PRAGMA(GCC warning #f)
#define GLIB_DEPRECATED_MACRO_FOR(f) _GLIB_GNUC_DO_PRAGMA(GCC warning "Deprecated pre-processor symbol, replace with " #f)
#define GLIB_UNAVAILABLE_MACRO(maj,min) _GLIB_GNUC_DO_PRAGMA(GCC warning "Not available before " #maj "." #min)
#else
#define GLIB_DEPRECATED_MACRO