Minor changes

* am/grecs.m4 (GRECS_SETUP): Call AC_PROG_YACC and AM_PROG_LEX.
* src/grecs.h: Add a missing prototype.

2 files changed, 20 insertions, 1 deletions

diff --git a/am/grecs.m4 b/am/grecs.m4
index 0b28604..8d046f5 100644
--- a/am/grecs.m4
+++ b/am/grecs.m4
@@ -51,4 +51,22 @@ AC_DEFUN([_GRECS_SET_OPTIONS],
 
-# GRECS_SETUP([no-preproc std-pp-setup pp-setup-option],[pp-setup-file])
+# GRECS_SETUP([OPTIONS],[pp-setup-file])
+#
+# Options are:
+#   no-preproc         Disable the use of preprocessor.
+#   std-pp-setup       Install standard pp-setup file.
+#   pp-setup-option    Add the --with-pp-setup-file option to the
+#                      configuration file.  The option allows user to
+#                      control whether the pp-setup file is installed.
+#
+# The pp-setup-file argument supplies the pathname of the preprocessor
+# setup file in the source tree.  It is ignored if std-pp-setup option is
+# given.
+#
+# If neither std-pp-setup option, nor pp-setup-file argument are supplied,
+# no preprocessor setup file is installed.
+
 AC_DEFUN([GRECS_SETUP],[
+  AC_PROG_YACC
+  AM_PROG_LEX
+
   _GRECS_SET_OPTIONS([$1])
diff --git a/src/grecs.h b/src/grecs.h
index 1273c7d..99c0453 100644
--- a/src/grecs.h
+++ b/src/grecs.h
@@ -133,2 +133,3 @@ void *grecs_malloc(size_t size);
 void *grecs_zalloc(size_t size);
+void *grecs_calloc(size_t nmemb, size_t size);
 void *grecs_realloc(void *ptr, size_t size);