Improve regex library selection. It lets user specify whether they want

system, apache, or php's regex library by using the --with-regex option.
"php" is the default; if you use --with-apache in combination with
Apache 1.3.x, the default is "apache".

4 files changed, 21 insertions, 2 deletions

diff --git a/ext/ereg/ereg.c b/ext/ereg/ereg.c
index 7f50ce3170..bd40cb2191 100644
--- a/ext/ereg/ereg.c
+++ b/ext/ereg/ereg.c
@@ -92,7 +92,9 @@ static int _free_reg_cache(reg_cache *rc)
 	return 1;
 }
 
+#undef regfree
 #define regfree(a);
+#undef regcomp
 #define regcomp(a,b,c) _php_regcomp(a,b,c)
 	
 static void php_reg_init_globals(php_reg_globals *reg_globals) 
diff --git a/ext/ereg/php_regex.h b/ext/ereg/php_regex.h
index 46618379af..91cbd994c4 100644
--- a/ext/ereg/php_regex.h
+++ b/ext/ereg/php_regex.h
@@ -1,7 +1,7 @@
 #ifndef _PHP_REGEX_H
 #define _PHP_REGEX_H
 
-#if REGEX
+#if REGEX == 1
 #include "regex/regex.h"
 #ifndef _REGEX_H
 #define _REGEX_H 1				/* this should stop Apache from loading the system version of regex.h */
@@ -18,7 +18,7 @@
 #ifndef _H_REGEX
 #define _H_REGEX 1              /* This one is for AIX */
 #endif
-#else
+#elif REGEX == 0
 #include <regex.h>
 #endif
 
diff --git a/ext/ereg/regex/regex_extra.h b/ext/ereg/regex/regex_extra.h
new file mode 100644
index 0000000000..b839ddc2ad
--- /dev/null
+++ b/ext/ereg/regex/regex_extra.h
@@ -0,0 +1,14 @@
+
+#undef regexec
+#undef regerror
+#undef regfree
+#undef regcomp
+
+#if (defined(REGEX) && REGEX == 1) || (!defined(REGEX))
+
+#define regexec php_regexec
+#define regerror php_regerror
+#define regfree php_regfree
+#define regcomp php_regcomp
+
+#endif
diff --git a/ext/ereg/regex/utils.h b/ext/ereg/regex/utils.h
index 1a997ac8fc..cd4a96025f 100644
--- a/ext/ereg/regex/utils.h
+++ b/ext/ereg/regex/utils.h
@@ -1,4 +1,7 @@
 /* utility definitions */
+
+#include "regex_extra.h"
+
 #ifdef _POSIX2_RE_DUP_MAX
 #define	DUPMAX	_POSIX2_RE_DUP_MAX
 #else