diff options
-rw-r--r-- | configure.ac | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 949aeba..d1035d8 100644 --- a/configure.ac +++ b/configure.ac @@ -36,7 +36,8 @@ XORG_DEFAULT_OPTIONS AC_PROG_LEX AC_PROG_YACC AC_PATH_PROG([YACC_INST], $YACC) -test -z "$YACC_INST" && AC_MSG_ERROR([yacc not found - unable to compile gram.y]) +AC_CHECK_FILE([$srcdir/gram.c], [], + [test -z "$YACC_INST" && AC_MSG_ERROR([yacc not found - unable to compile gram.y])]) AC_PROG_CC AC_PROG_INSTALL |