claws-mail/m4/gnupg-check-typedef.m4
Claws Mail Team fe2dc15e4f This commit was manufactured by cvs2svn to create branch 'gtk2'.
Cherrypick from master 2004-02-17 08:53:12 UTC twb 'enable building with automake 1.8.x':
    m4/Makefile.am
    m4/README
    m4/aclocal-include.m4
    m4/aspell.m4
    m4/check-type.m4
    m4/gnupg-check-typedef.m4
    m4/missing/gdk-pixbuf.m4
    m4/missing/gettext.m4
    m4/missing/gpgme.m4
    m4/missing/imlib.m4
    m4/openssl.m4
    m4/spamassassin.m4
    src/folderutils.c
    src/folderutils.h
    src/pixmaps/linewrapcurrent.xpm
    src/prefs_ext_prog.c
    src/prefs_themes.c
    tools/textviewer.sh
2004-02-17 08:53:13 +00:00

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Text

dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME [, COMMENT])
dnl Check whether a typedef exists and create a #define $2 if it exists
dnl
AC_DEFUN([GNUPG_CHECK_TYPEDEF],
[ AC_MSG_CHECKING(for $1 typedef)
AC_CACHE_VAL(gnupg_cv_typedef_$1,
[AC_TRY_COMPILE([#include <stdlib.h>
#include <sys/types.h>], [
#undef $1
int a = sizeof($1);
], gnupg_cv_typedef_$1=yes, gnupg_cv_typedef_$1=no )])
AC_MSG_RESULT($gnupg_cv_typedef_$1)
if test "$gnupg_cv_typedef_$1" = yes; then
AC_DEFINE($2, 1, $3)
fi
])