m4_include([libptytty/ptytty.m4]) dnl maybe import pkg.m4 and use PKG_CHECK_MODULES in place of this macro AC_DEFUN([RXVT_CHECK_MODULES], [ AC_MSG_CHECKING(for $2) if test $PKG_CONFIG != no && $PKG_CONFIG --exists $2; then $1[]_CFLAGS="`$PKG_CONFIG --cflags $2`" $1[]_LIBS="`$PKG_CONFIG --libs $2`" AC_MSG_RESULT(ok) $3 else AC_MSG_RESULT(no) $4 fi ])