configure: Fix build with automake < 1.11

Commit 86d30dea3c broke building with older
automake versions with this error:

Makefile:769: *** Recursive variable am__v_YACC_ references itself (eventually).  Stop.

This patch fixes it. Fix stolen from xorg-macros.

Signed-off-by: Lauri Kasanen <cand@gmx.com>
This commit is contained in:
Lauri Kasanen 2013-02-22 22:25:58 +02:00 committed by Matt Turner
parent cff862f90d
commit 0a82828ad5

View file

@ -20,7 +20,8 @@ echo \#buildapi-variable-no-builddir >/dev/null
# Support silent build rules, requires at least automake-1.11. Disable
# by either passing --disable-silent-rules to configure or passing V=1
# to make
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])],
[AC_SUBST([AM_DEFAULT_VERBOSITY], [1])])
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])