--- Makefile
+++ Makefile
@@ -13,8 +13,9 @@
 #
 
 CC=gcc
-CC_FLAGS=-fPIC -Wall
-LD=ld
+LIBC=$(shell ldd `which bash`|grep 'libc.so.6'| sed 's/^.*=> *//g;s/ .*$$//g')
+CC_FLAGS=-fPIC $(RPM_OPT_FLAGS) -DLIBC_PATH=\"$(LIBC)\"
+LD=$(CC)
 LD_FLAGS=-shared 
 INSTALL=install
 
--- src_vipa.c
+++ src_vipa.c
@@ -42,7 +42,7 @@
 #include <sys/time.h>
 
 
-#define LIBC_PATH "libc.so.6"
+/* #define LIBC_PATH "libc.so.6" defined in Makefile */
 #define DLOPEN_FLAG RTLD_LAZY
 
 
@@ -1255,7 +1255,7 @@
 }
 
 #ifndef LC_TEST
-void _init(void)
+static void __attribute__((constructor)) _init(void)
 {
 	leader_pid = getpid();
 	init_mutexes();
@@ -1265,7 +1265,7 @@
 	read_config_file();
 }
 
-void _fini(void)
+static void __attribute__((destructor)) _fini(void)
 {
 	if (dl_handle) dlclose(dl_handle);
 	destroy_shm();