punt _DL_FINI_CRT_COMPAT option now that 0.9.28 has been released

Rules.mak

@@ -111,7 +111,8 @@ endif
 TARGET_ARCH:=$(shell grep -s ^TARGET_ARCH $(TOPDIR)/.config | sed -e 's/^TARGET_ARCH=//' -e 's/"//g')
 RUNTIME_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(RUNTIME_PREFIX))))))
 DEVEL_PREFIX:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(DEVEL_PREFIX))))))
-export RUNTIME_PREFIX DEVEL_PREFIX
+KERNEL_SOURCE:=$(strip $(subst //,/, $(subst ,/, $(subst ",, $(strip $(KERNEL_SOURCE))))))
+export RUNTIME_PREFIX DEVEL_PREFIX KERNEL_SOURCE
 
 ARFLAGS:=cr
 
@@ -326,10 +327,6 @@ ifeq ($(DOPIC),y)
     CFLAGS += $(PICFLAG)
 endif
 
-ifeq ($(DL_FINI_CRT_COMPAT),y)
-CFLAGS += -D_DL_FINI_CRT_COMPAT
-endif
-
 # Keep the check_as from being needlessly executed
 ASFLAGS = $(CFLAGS)
 ifndef ASFLAGS_NOEXEC

extra/Configs/Config.in

@@ -277,13 +277,6 @@ config LDSO_RUNPATH
 	  Usage of RUNPATH tags is not too common, so disabling this feature 
 	  should be safe for most people.
 
-config DL_FINI_CRT_COMPAT
-	bool "uClibc 0.9.27 compatibility"
-	default n
-	help
-	  Allows to update a 0.9.27 based system to new crt/fini handling.
-	  After rebuilding all apps, this option can be disabled.
-
 config UCLIBC_CTOR_DTOR
 	bool "Support global constructors and destructors"
 	default y

ldso/ldso/Makefile

@@ -28,9 +28,6 @@ ASFLAGS+=$(call check_as,--noexecstack)
 endif
 
 XXFLAGS=$(XWARNINGS) $(SSP_DISABLE_FLAGS)
-ifeq ($(DL_FINI_CRT_COMPAT),y)
-XXFLAGS+=-D_DL_FINI_CRT_COMPAT
-endif
 
 ifeq ($(DODEBUG),y)
 # Not really much point in including debugging info, since gdb

ldso/ldso/ldso.c

@@ -763,18 +763,6 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, unsigned long load_addr,
 			(*dl_elf_func) ();
 		}
 	}
-#ifdef _DL_FINI_CRT_COMPAT
-	/* arches that have moved their ldso FINI handling should skip this part */
-	{
-		void (*__set__dl_fini) (void *) = (void (*)(void *)) (intptr_t) _dl_find_hash("_set__dl_fini",
-				_dl_symbol_tables, NULL, ELF_RTYPE_CLASS_PLT);
-
-		if (__set__dl_fini)
-			(*__set__dl_fini)(_dl_fini);
-		else
-			_dl_if_debug_dprint("_set__dl_fini not found\n");
-	}
-#endif
 
 	/* Find the real malloc function and make ldso functions use that from now on */
 	 _dl_malloc_function = (void* (*)(size_t)) (intptr_t) _dl_find_hash("malloc",

libc/misc/internals/__uClibc_main.c

@@ -161,16 +161,6 @@ void attribute_hidden (*__app_fini)(void) = NULL;
 
 void attribute_hidden (*__rtld_fini)(void) = NULL;
 
-#ifdef _DL_FINI_CRT_COMPAT
-void attribute_hidden (*__dl_fini)(void) = NULL;
-
-void _set__dl_fini(void *fini_func)
-{
-	if (fini_func != NULL)
-		__dl_fini = fini_func;
-}
-#endif
-
 /* __uClibc_start_main is the new main stub for uClibc. This function is
  * called from crt0 (version 0.9.16 or newer), after ALL shared libraries
  * are initialized, just before we call the application's main function.
@@ -265,13 +255,3 @@ __uClibc_main(int (*main)(int, char **, char **), int argc,
      */
     exit(main(argc, argv, __environ));
 }
-
-#ifdef _DL_FINI_CRT_COMPAT
-extern int weak_function main(int argc, char **argv, char **envp);
-void __attribute__ ((__noreturn__))
-__uClibc_start_main(int argc, char **argv, char **envp,
-		    void (*app_fini)(void), void (*app_init)(void))
-{
-	__uClibc_main(main, argc, argv, app_init, app_fini, NULL, NULL);
-}
-#endif

libc/stdlib/atexit.c

@@ -224,10 +224,6 @@ extern void (*__app_fini)(void);
 
 extern void (*__rtld_fini)(void);
 
-#ifdef _DL_FINI_CRT_COMPAT
-extern void (*__dl_fini)(void);
-#endif
-
 /*
  * Normal program termination
  */
@@ -244,13 +240,8 @@ void exit(int rv)
 	if (__app_fini != NULL)
 		(__app_fini)();
 #endif
-#ifndef _DL_FINI_CRT_COMPAT
 	if (__rtld_fini != NULL)
 		(__rtld_fini)();
-#else
-	if (__dl_fini != NULL)
-		(__dl_fini)();
-#endif
 
     /* If we are using stdio, try to shut it down.  At the very least,
 	 * this will attempt to commit all buffered writes.  It may also