MINOR: show Built with PCRE version
Inspired by PCRE's pcre_version.c and improved with Willy's
suggestions. Reusable parts have been added to
include/common/standard.h.
(cherry picked from commit dcbc5c5ecf6506b5ad55b98bbec910b29f011f14)
(cherry picked from commit dcdd2ae7d6809f45c5f6bbe2ba6fe9c70802bb42)
diff --git a/include/common/standard.h b/include/common/standard.h
index e56cd9d..0d8e0e7 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -919,4 +919,13 @@
return caddr & ~(unsigned long)(data & 3);
}
+/* HAP_STRING() makes a string from a literal while HAP_XSTRING() first
+ * evaluates the argument and is suited to pass macros.
+ *
+ * They allow macros like PCRE_MAJOR to be defined without quotes, which
+ * is convenient for applications that want to test its value.
+ */
+#define HAP_STRING(...) #__VA_ARGS__
+#define HAP_XSTRING(...) HAP_STRING(__VA_ARGS__)
+
#endif /* _COMMON_STANDARD_H */