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Merge branch 'ebassi/c99-macro-varargs' into 'main'

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Require C99's __VA_ARGS__

Closes #2681

See merge request GNOME/glib!2791
This commit is contained in:
Emmanuele Bassi
2022-06-30 01:40:55 +00:00
parent f38908240f 2a12de5b1d
commit 5cf742d42e
3 changed files with 8 additions and 15 deletions
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6
docs/toolchain-requirements.md
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@@ -40,12 +40,12 @@ features’ are assumed. Those are detailed below.
GLib additionally requires Python 3 to build. GLib additionally requires Python 3 to build.
Varargs macros C99 Varargs macros
--- ---
_Not a hard requirement._ _Hard requirement._
GLib can work with either C99 or GNU style varargs macros. GLib requires C99 ``__VA_ARG__`` support for both C and C++ compilers.
Symbol visibility control Symbol visibility control
--- ---

3
glib/glibconfig.h.in
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@@ -118,8 +118,7 @@ typedef unsigned @glib_intptr_type_define@ guintptr;
@glib_vacopy@ @glib_vacopy@
@g_have_iso_c_varargs@ #define G_HAVE_ISO_VARARGS 1
@g_have_iso_cxx_varargs@
/* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi /* gcc-2.95.x supports both gnu style and ISO varargs, but if -ansi
* is passed ISO vararg support is turned off, and there is no work * is passed ISO vararg support is turned off, and there is no work

14
meson.build
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@@ -1715,11 +1715,8 @@ g_have_iso_c_varargs = cc.compiles('''
call_a(2,3); call_a(2,3);
}''', name : 'ISO C99 varargs macros in C') }''', name : 'ISO C99 varargs macros in C')
if g_have_iso_c_varargs if not g_have_iso_c_varargs
glibconfig_conf.set('g_have_iso_c_varargs', ''' error('GLib requires a C compiler with support for C99 __VA_ARG__ in macros.')
#ifndef __cplusplus
# define G_HAVE_ISO_VARARGS 1
#endif''')
endif endif
g_have_iso_cxx_varargs = cxx.compiles(''' g_have_iso_cxx_varargs = cxx.compiles('''
@@ -1729,11 +1726,8 @@ g_have_iso_cxx_varargs = cxx.compiles('''
call_a(2,3); call_a(2,3);
}''', name : 'ISO C99 varargs macros in C++') }''', name : 'ISO C99 varargs macros in C++')
if g_have_iso_cxx_varargs if not g_have_iso_cxx_varargs
glibconfig_conf.set('g_have_iso_cxx_varargs', ''' error('GLib requires a C++ compiler with support for C99 __VA_ARG__ in macros.')
#ifdef __cplusplus
# define G_HAVE_ISO_VARARGS 1
#endif''')
endif endif
g_have_gnuc_varargs = cc.compiles(''' g_have_gnuc_varargs = cc.compiles('''