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dnl Macros to configure GPGME
dnl Copyright (C) 2004 g10 Code GmbH
dnl
dnl This file is part of GPGME.
dnl
dnl GPGME is free software; you can redistribute it and/or modify it
dnl under the terms of the GNU Lesser General Public License as
dnl published by the Free Software Foundation; either version 2.1 of the
dnl License, or (at your option) any later version.
dnl
dnl GPGME is distributed in the hope that it will be useful, but WITHOUT
dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
dnl Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
dnl GNUPG_CHECK_VA_COPY()
dnl Do some check on how to implement va_copy.
dnl May define MUST_COPY_VA_BY_VAL.
dnl Actual test code taken from glib-1.1.
AC_DEFUN([GNUPG_CHECK_VA_COPY],
[ AC_MSG_CHECKING(whether va_lists must be copied by value)
AC_CACHE_VAL(gnupg_cv_must_copy_va_byval,[
if test "$cross_compiling" = yes; then
gnupg_cv_must_copy_va_byval=no
else
gnupg_cv_must_copy_va_byval=no
AC_TRY_RUN([
#include <stdarg.h>
void f (int i, ...)
{
va_list args1, args2;
va_start (args1, i);
args2 = args1;
if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
exit (1);
va_end (args1);
va_end (args2);
}
int main()
{
f (0, 42);
return 0;
}
],gnupg_cv_must_copy_va_byval=yes)
fi
])
if test "$gnupg_cv_must_copy_va_byval" = yes; then
AC_DEFINE(MUST_COPY_VA_BYVAL,1,[used to implement the va_copy macro])
fi
if test "$cross_compiling" = yes; then
AC_MSG_RESULT(assuming $gnupg_cv_must_copy_va_byval)
else
AC_MSG_RESULT($gnupg_cv_must_copy_va_byval)
fi
])

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text/x-m4
Expires
Mon, Dec 23, 2:13 PM (21 h, 35 m)
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local-disk
Storage Format
Raw Data
Storage Handle
94/34/c475802cf495a83f20bad7af43bc

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