From 6e3d59bc0581399e0d8218f7b7fb10961735a82b Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Thu, 14 Nov 2002 03:59:56 +0000
Subject: * scripts/abilist.awk: New file.

	* Makefile (distribute): Add it.
	* Makerules ($(objpfx)%.dynsym, $(objpfx)%.symlist): New rules.
	(tests): Depend on .symlist file for each $(install-lib.so-versioned).
	[! subdir] (tests): Depend on libc.symlist.
	(generated): Add those files.
	* aclocal.m4 (LIBC_PROG_BINUTILS): Check for objdump, set OBJDUMP.
	* configure: Regenerated.
	* config.make.in (OBJDUMP): New variable, substituted by configure.

	* malloc/mcheck.c (struct hdr): New members `block' and `magic2'.
	(mallochook, reallochook): Set them up.
	(checkhdr): Check HDR->magic2 value.
	(freehook): Reset HDR->magic2.
	(memalignhook): New static function.
	(old_memalign_hook): New static variable.
	(mcheck, reallochook): Set __memalign_hook to memalignhook.
---
 Makerules | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'Makerules')

diff --git a/Makerules b/Makerules
index 461451f8a4..1fab920a0a 100644
--- a/Makerules
+++ b/Makerules
@@ -1073,6 +1073,28 @@ endif
 
 # The include magic above causes those files to use this variable for flags.
 CPPFLAGS-nonlib = -DNOT_IN_libc=1
+
+
+ifeq ($(versioning),yes)
+# Generate normalized lists of symbols, versions, and data sizes.
+# This is handy for checking against existing library binaries.
+
+$(objpfx)%.symlist: $(..)scripts/abilist.awk $(objpfx)%.dynsym
+	$(AWK) -f $^ > $@T
+	mv -f $@T $@
+
+$(objpfx)%.dynsym: $(objpfx)%.so
+	$(OBJDUMP) --dynamic-syms $< > $@T
+	mv -f $@T $@
+
+tests: $(patsubst %.so,$(objpfx)%.symlist,$(install-lib.so-versioned))
+generated += $(install-lib.so-versioned:.so=.symlist)
+
+ifndef subdir
+tests: $(objpfx)libc.symlist
+generated += libc.symlist
+endif
+endif
 
 .PHONY: TAGS
 TAGS: $(objpfx)distinfo $(..)MakeTAGS
-- 
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