fix zif_dl pb (add -Wl,--no-as-needed flag + dlopen of libphpx.so)

Author: mcarbonneaux

Makefile.in

@@ -1,7 +1,7 @@
 MODULE_NAME=@MODULE_NAME@
 MODULE_OBJS=php_embeded.o GetPathDir.o $(MODULE_NAME).o
 CFLAGS=-fPIC -I@ZABBIX_INC_DIR@ @CFLAGS@ -Wno-cpp
-LDFLAGS=@LDFLAGS@ 
+LDFLAGS=@LDFLAGS@  -Wl,--no-as-needed
 LIBS=@LIBS@
 CC=gcc
 

configure.ac

@@ -47,6 +47,6 @@ AC_CONFIG_HEADER(zbx_php_config.h)
 AC_OUTPUT(Makefile)
 
 echo ""
-echo " Zabbix PHP laodable module install diretory   = ${prefix}"
-echo " Embeded PHP base directory                    = ${PHP_PREFIX}"
-echo " Zabbix include directory                      = ${ZABBIX_INC_DIR}"
+echo " Zabbix PHP laodable module install diretory[prefix]   = ${prefix}"
+echo " Embeded PHP base directory                            = ${PHP_PREFIX}"
+echo " Zabbix include directory                              = ${ZABBIX_INC_DIR}"

php_embeded.c

@@ -123,7 +123,7 @@ int php_embed_execute(char *filename, zval *retval TSRMLS_DC)
     zfd.free_filename = 0;
     zfd.opened_path = NULL;
     zend_try {
-	 if (SUCCESS == zend_execute_scripts(ZEND_REQUIRE TSRMLS_CC, &retval, 1, &zfd)) 
+	 if (SUCCESS == zend_execute_scripts(ZEND_REQUIRE TSRMLS_CC, retval, 1, &zfd)) 
 	     return SUCCESS;
     } zend_end_try();
     return FAILURE;

zbx_php.c

@@ -156,6 +156,15 @@ int	zbx_module_init()
 {
 	TSRMLS_FETCH();
 
+        void *handle;	
+	char szPhpLib[256];
+	snprintf(szPhpLib, sizeof szPhpLib, "%s%d%s", "libphp", PHP_MAJOR_VERSION, ".so");
+        handle = dlopen (szPhpLib, RTLD_LAZY | RTLD_GLOBAL);
+        if (!handle) {
+	    zabbix_log( LOG_LEVEL_ERR, ZBX_MODULE "load %s error!!!!\n%s",szPhpLib,dlerror());
+            exit(1);
+        }
+
 	// load zbx_php.cfg config file
 	if (load_php_env_config()!=ZBX_MODULE_OK) 
 	{

zbx_php.h

@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <dlfcn.h>
 
 // this macro are defined in php and in zabbix
 // to avoid warning in redefiniting it they are undef her befor