Bug#547798: [gettext]: gettext.h incompatible with g++ -pedantic (error: ISO C++ forbids variable length array ‘msg_ctxt_id’)

[Jens Seidel]

Package: gettext
Version: 0.17-7
Severity: important

Hi,

compiling
#include "/usr/share/gettext/gettext.h"

int main()
{
  return 0;
}
with g++ -pedantic results in:

/usr/share/gettext/gettext.h: In function ‘const char* dcpgettext_expr(const
char*, const char*, const char*, int)’:
/usr/share/gettext/gettext.h:201: error: ISO C++ forbids variable length
array ‘msg_ctxt_id’
/usr/share/gettext/gettext.h: In function ‘const char*
dcnpgettext_expr(const char*, const char*, const char*, const char*, long
unsigned int, int)’:
/usr/share/gettext/gettext.h:247: error: ISO C++ forbids variable length
array ‘msg_ctxt_id’

I work around it by using

 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
-  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
+  (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) && !__cplusplus \

but detecting a macro which is set in pedantic mode is probably better.

Jens



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