build: Check for bison-generated file before bailing because of no bison

.y/.c was a typo.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

diff --git a/configure.ac b/configure.ac
index 9bf4e1e1f63425f69f9790a5d2cd82812fa80426..5a832415fb5fbf3f295854204903ceb2b8ad7928 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -55,7 +55,7 @@ fi
 
 AC_PROG_YACC
 AC_PATH_PROG([YACC_INST], $YACC)
-if test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.y"; then
+if test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"; then
     if test -z "$YACC_INST"; then
         AC_MSG_ERROR([yacc not found - unable to compile glcpp-parse.y])
     fi