From ef142cd0ba5e60baee56b8aaafac9a835958a679 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Wed, 10 Aug 2016 21:06:04 -0400
Subject: Shared library symbol versioning support from Ondrej Sury (thanks!).

Apparently this is how the cool kids handle hiding library-internal
symbols now, using objcopy is old hat.  Ondrey tells us that this
should work on GNU/Linux and on *BSD, which, at the moment, just
leaves OSX, which we already handle with an OSX-specific kludge.
---
 Makefile | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 95fce05..0eb86e3 100644
--- a/Makefile
+++ b/Makefile
@@ -179,9 +179,7 @@ ifeq "${UNAME}" "Darwin"
 else
 
   ${SONAME}: pkcs11.o ${LIBS}
-	${CC} ${CFLAGS} -shared -o $@.tmp $^ ${SOFLAGS} ${LDFLAGS}
-	${OBJCOPY} -w -G 'C_*' $@.tmp $@
-	rm -f $@.tmp
+	${CC} ${CFLAGS} -Wl,--version-script=libcryptech-pkcs11.map -shared -o $@ $^ ${SOFLAGS} ${LDFLAGS}
 
 endif
 
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