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dnl Macros to configure gpgme
dnl GNUPG_FIX_HDR_VERSION(FILE, NAME)
dnl Make the version number in gcrypt/gcrypt.h the same as the one here.
dnl (this is easier than to have a .in file just for one substitution)
dnl We must use a temp file in the current directory because make distcheck
dnl install all sourcefiles RO.
dnl (wk 2001-12-18)
AC_DEFUN(GNUPG_FIX_HDR_VERSION,
[ sed "s/^#define $2 \".*/#define $2 \"$VERSION\"/" $srcdir/$1 > fixhdr.tmp
if cmp -s $srcdir/$1 fixhdr.tmp 2>/dev/null; then
rm -f fixhdr.tmp
else
rm -f $srcdir/$1
if mv fixhdr.tmp $srcdir/$1 ; then
:
else
AC_MSG_ERROR([[
***
*** Failed to fix the version string macro $2 in $1.
*** The old file has been saved as fixhdr.tmp
***]])
fi
AC_MSG_WARN([fixed the $2 macro in $1])
fi
])
dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME)
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)
fi
])
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