# variable VALAC is set. Optionally a minimum release number of the
# compiler can be requested.
#
-# AM_PROG_VALAC([MINIMUM-VERSION])
+# AM_PROG_VALAC([MINIMUM-VERSION], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
# --------------------------------
AC_DEFUN([AM_PROG_VALAC],
[AC_PATH_PROG([VALAC], [valac], [])
AS_IF([test -z "$VALAC"],
- [AC_MSG_WARN([No Vala compiler found. You will not be able to compile .vala source files.])],
+ [m4_default([$3], [AC_MSG_WARN([No Vala compiler found. You will not be able to compile .vala source files.])])],
[AS_IF([test -n "$1"],
[AC_MSG_CHECKING([$VALAC is at least version $1])
am__vala_version=`$VALAC --version | sed 's/Vala *//'`
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
- AC_MSG_ERROR([Vala $1 not found.], [77])])])])
-])
+ VALAC=:])])
+ if test "$VALAC" = :; then
+ m4_default([$3], [AC_MSG_ERROR([Vala $1 not found.], [77])])
+ else
+ m4_default([$2], [:])
+ fi])])
# See comments above for why "|| exit 1" is needed.
./configure "VALAC=$cwd/valac" || exit 1
+sed 's/AM_PROG_VALAC.*/AM_PROG_VALAC([9999.9], , [:])/' < configure.ac >t
+mv -f t configure.ac
+$AUTOCONF --force
+./configure "VALAC=$cwd/valac" || exit 1
+
+sed 's/AM_PROG_VALAC.*/AM_PROG_VALAC([1.2.3], [exit 77])/' < configure.ac >t
+mv -f t configure.ac
+$AUTOCONF --force
+st=0; ./configure "VALAC=$cwd/valac" || st=$?
+test $st -eq 77 || exit 1
+
: