summaryrefslogtreecommitdiff
path: root/acinclude.m4
diff options
context:
space:
mode:
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m460
1 files changed, 60 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..cdfe6e4
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,60 @@
+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
+])