From f8a0bbff1bb98eee95658fa81e276e9630a67468 Mon Sep 17 00:00:00 2001
From: Guenter Obiltschnig <guenter.obiltschnig@appinf.com>
Date: Sat, 11 Feb 2017 12:03:37 +0100
Subject: [PATCH] fixed GH #1581: Cannot find 'pcre.h' when using
 POCO_UNBUNDLED, a non-system PCRE, and CMake

Index: Foundation/src/RegularExpression.cpp
--- Foundation/src/RegularExpression.cpp.orig
+++ Foundation/src/RegularExpression.cpp
@@ -62,14 +62,14 @@ RegularExpression::RegularExpression(const std::string
 		throw RegularExpressionException(msg.str());
 	}
 	if (study)
-		_extra = pcre_study(_pcre, 0, &error);
+		_extra = pcre_study(reinterpret_cast<pcre*>(_pcre), 0, &error);
 }
 
 
 RegularExpression::~RegularExpression()
 {
-	if (_pcre)  pcre_free(_pcre);
-	if (_extra) pcre_free(_extra);
+	if (_pcre)  pcre_free(reinterpret_cast<pcre*>(_pcre));
+	if (_extra) pcre_free(reinterpret_cast<struct pcre_extra*>(_extra));
 }
 
 
@@ -78,7 +78,7 @@ int RegularExpression::match(const std::string& subjec
 	poco_assert (offset <= subject.length());
 
 	int ovec[OVEC_SIZE];
-	int rc = pcre_exec(_pcre, _extra, subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
+	int rc = pcre_exec(reinterpret_cast<pcre*>(_pcre), reinterpret_cast<struct pcre_extra*>(_extra), subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
 	if (rc == PCRE_ERROR_NOMATCH)
 	{
 		mtch.offset = std::string::npos;
@@ -112,7 +112,7 @@ int RegularExpression::match(const std::string& subjec
 	matches.clear();
 
 	int ovec[OVEC_SIZE];
-	int rc = pcre_exec(_pcre, _extra, subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
+	int rc = pcre_exec(reinterpret_cast<pcre*>(_pcre), reinterpret_cast<struct pcre_extra*>(_extra), subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
 	if (rc == PCRE_ERROR_NOMATCH)
 	{
 		return 0;
@@ -225,7 +225,7 @@ std::string::size_type RegularExpression::substOne(std
 	if (offset >= subject.length()) return std::string::npos;
 
 	int ovec[OVEC_SIZE];
-	int rc = pcre_exec(_pcre, _extra, subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
+	int rc = pcre_exec(reinterpret_cast<pcre*>(_pcre), reinterpret_cast<struct pcre_extra*>(_extra), subject.c_str(), int(subject.size()), int(offset), options & 0xFFFF, ovec, OVEC_SIZE);
 	if (rc == PCRE_ERROR_NOMATCH)
 	{
 		return std::string::npos;