Add an explict list of exported symbols with just the functions declared

in <tls.h>, and use __{BEGIN,END}_HIDDEN_DECLS in tls_internal.h to
optimize internal functions

ok jsing@

1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib/libtls/Makefile b/src/lib/libtls/Makefile
index f90c57d53f..bc46332da3 100644
--- a/src/lib/libtls/Makefile
+++ b/src/lib/libtls/Makefile
@@ -1,4 +1,4 @@
-#       $OpenBSD: Makefile,v 1.26 2016/11/02 15:18:42 beck Exp $
+#       $OpenBSD: Makefile,v 1.27 2016/11/04 18:23:32 guenther Exp $
 
 CFLAGS+= -Wall -Werror -Wimplicit
 CFLAGS+= -DLIBRESSL_INTERNAL
@@ -10,6 +10,9 @@ DPADD=	${LIBCRYPTO} ${LIBSSL}
 LDADD+= -L${BSDOBJDIR}/lib/libcrypto -lcrypto
 LDADD+= -L${BSDOBJDIR}/lib/libssl -lssl
 
+VERSION_SCRIPT= Symbols.map
+SYMBOL_LIST=    ${.CURDIR}/Symbols.list
+
 HDRS=   tls.h
 
 SRCS=   tls.c \
@@ -34,4 +37,9 @@ includes:
             eval "$$j"; \
         done;
 
+${VERSION_SCRIPT}: ${SYMBOL_LIST}
+        { printf '{\n\tglobal:\n'; \
+          sed '/^[._a-zA-Z]/s/$$/;/; s/^/               /' ${SYMBOL_LIST}; \
+          printf '\n\tlocal:\n\t\t*;\n};\n'; } >$@.tmp && mv $@.tmp $@
+
 .include <bsd.lib.mk>