Add an explict list of exported symbols with just the functions

declared in the public headers, and use __{BEGIN,END}_HIDDEN_DECLS
in the internal headers to optimize internal functions

ok jsing@

1 files changed, 9 insertions, 1 deletions

diff --git a/src/lib/libssl/Makefile b/src/lib/libssl/Makefile
index 6421aabe34..64b3b5060b 100644
--- a/src/lib/libssl/Makefile
+++ b/src/lib/libssl/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.23 2016/09/19 03:25:22 bcook Exp $
+# $OpenBSD: Makefile,v 1.24 2016/11/04 18:28:58 guenther Exp $
 
 SUBDIR= man
 PC_FILES=openssl.pc libssl.pc
@@ -17,6 +17,9 @@ CFLAGS+= -I${.CURDIR}
 
 LDADD+= -L${BSDOBJDIR}/lib/libcrypto -lcrypto
 
+VERSION_SCRIPT= Symbols.map
+SYMBOL_LIST=    ${.CURDIR}/Symbols.list
+
 SRCS=\
         s3_srvr.c s3_clnt.c s3_lib.c s3_pkt.c s3_both.c \
         s23_srvr.c s23_clnt.c s23_lib.c s23_pkt.c \
@@ -46,6 +49,11 @@ 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>
 
 all: ${PC_FILES}