diff --git a/Makefile b/Makefile
index 88d2bf3..9dd924b 100644
--- a/Makefile
+++ b/Makefile
@@ -23,8 +23,9 @@ INCLUDES	:=	include
 #---------------------------------------------------------------------------------
 # options for code generation
 #---------------------------------------------------------------------------------
-CFLAGS	:=	-g -O2 -Wall -Werror -save-temps \
+CFLAGS	:=	-g -Wall -Werror -save-temps \
 			-ffunction-sections -fdata-sections \
+			-flto -ffat-lto-objects \
 			$(MACHDEP) \
 			$(BUILD_CFLAGS)
 
diff --git a/include/wups/common.h b/include/wups/common.h
index 8aadc30..e7ca0c2 100644
--- a/include/wups/common.h
+++ b/include/wups/common.h
@@ -38,11 +38,16 @@
 extern "C" {
 #endif
 
-#define WUPS_SECTION(x) __attribute__((__section__(".wups." x)))
+#ifdef __cplusplus
+#define WUPS_EXTERN_C extern "C"
+#else
+#define WUPS_EXTERN_C
+#endif
+
+#define WUPS_SECTION(x) WUPS_EXTERN_C __attribute__((__section__(".wups." x), used))
 
 #define WUPS_META(id, value)                                 \
-    extern const char wups_meta_##id[] WUPS_SECTION("meta"); \
-    const char wups_meta_##id[] = #id "=" value
+    WUPS_SECTION("meta") const char wups_meta_##id[] = #id "=" value
 
 #ifdef __cplusplus
 }
diff --git a/include/wups/function_patching.h b/include/wups/function_patching.h
index dd1923a..a58c09e 100644
--- a/include/wups/function_patching.h
+++ b/include/wups/function_patching.h
@@ -148,9 +148,7 @@ typedef struct wups_loader_entry_t {
 #define WUPS_MUST_REPLACE_FOR_PROCESS(x, lib, function_name, targetProcess)                         WUPS_MUST_REPLACE_EX(NULL, NULL, real_##x, lib, my_##x, function_name, targetProcess)
 
 #define WUPS_MUST_REPLACE_EX(pAddress, vAddress, original_func, rpl_type, replace_func, replace_function_name, process) \
-    extern const wups_loader_entry_t wups_load_##replace_func                                                           \
-            WUPS_SECTION("load");                                                                                       \
-    const wups_loader_entry_t wups_load_##replace_func = {                                                              \
+    WUPS_SECTION("load") const wups_loader_entry_t wups_load_##replace_func = {                                         \
             .type      = WUPS_LOADER_ENTRY_FUNCTION_MANDATORY,                                                          \
             ._function = {                                                                                              \
                     .physical_address = (const void *) pAddress,                                                        \
diff --git a/include/wups/hooks.h b/include/wups/hooks.h
index a416f46..7f39350 100644
--- a/include/wups/hooks.h
+++ b/include/wups/hooks.h
@@ -23,8 +23,7 @@ extern "C" {
 #endif
 
 #define WUPS_HOOK_EX(type_def, original_func)                                         \
-    extern const wups_loader_hook_t wups_hooks_##original_func WUPS_SECTION("hooks"); \
-    const wups_loader_hook_t wups_hooks_##original_func = {                           \
+    WUPS_SECTION("hooks") const wups_loader_hook_t wups_hooks_##original_func = {     \
             .type   = type_def,                                                       \
             .target = (const void *) &(original_func)}
 
diff --git a/include/wups/meta.h b/include/wups/meta.h
index 004a49d..53ec4ad 100644
--- a/include/wups/meta.h
+++ b/include/wups/meta.h
@@ -50,14 +50,11 @@ extern "C" {
     WUPS___FINI_WRAPPER();                                                                                          \
     WUPS_INIT_CONFIG_FUNCTIONS();                                                                                   \
     WUPS_META(buildtimestamp, __DATE__ " " __TIME__);                                                               \
-    extern const char wups_meta_plugin_name[] WUPS_SECTION("meta");                                                 \
-    const char wups_meta_plugin_name[] = __plugin_name;                                                             \
-    extern const char wups_meta_info_dump[] WUPS_SECTION("meta");                                                   \
-    const char wups_meta_info_dump[] = "(plugin: " __plugin_name ";"                                                \
+    WUPS_SECTION("meta") const char wups_meta_plugin_name[] = __plugin_name;                                        \
+    WUPS_SECTION("meta") const char wups_meta_info_dump[] = "(plugin: " __plugin_name ";"                           \
                                        "wups " WUPS_VERSION_STR ";"                                                 \
                                        "buildtime: " __DATE__ " " __TIME__ ")";                                     \
-    extern const char wups_meta_info_linking_order[] WUPS_SECTION("meta");                                          \
-    const char wups_meta_info_linking_order[] = "Loading \"" __plugin_name "\" failed.\n"                           \
+    WUPS_SECTION("meta") const char wups_meta_info_linking_order[] = "Loading \"" __plugin_name "\" failed.\n"      \
                                                 "Function \"wut_get_thread_specific\" returned unexpected value.\n" \
                                                 "Please check linking order (expected \"-lwups -lwut\")";