Index: pcreposix.h
--- pcreposix.h.orig	2010-05-16 18:17:23.000000000 +0200
+++ pcreposix.h	2011-01-01 11:36:04.000000000 +0100
@@ -133,6 +133,12 @@
 
 /* The functions */
 
+/* link-time symbol namespace conflict prevention */
+#define regcomp  pcreposix_regcomp
+#define regexec  pcreposix_regexec
+#define regerror pcreposix_regerror
+#define regfree  pcreposix_regfree
+
 PCREPOSIX_EXP_DECL int regcomp(regex_t *, const char *, int);
 PCREPOSIX_EXP_DECL int regexec(const regex_t *, const char *, size_t,
                      regmatch_t *, int);