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From: mwilck@suse.com
To: Christophe Varoqui <christophe.varoqui@opensvc.com>,
	Benjamin Marzinski <bmarzins@redhat.com>
Cc: dm-devel@redhat.com, Martin Wilck <mwilck@suse.com>
Subject: [dm-devel] [PATCH v2 11/12] libmpathcmd: add linker version script
Date: Fri, 16 Oct 2020 12:42:38 +0200
Message-ID: <20201016104239.8217-12-mwilck@suse.com> (raw)
In-Reply-To: <20201016104239.8217-1-mwilck@suse.com>

From: Martin Wilck <mwilck@suse.com>

For completeness, this isn't really necessary.
The version string is set to "LIBMPATHCMD_1.0.0".

Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Martin Wilck <mwilck@suse.com>
---
 libmpathcmd/Makefile            |  6 ++++--
 libmpathcmd/libmpathcmd.version | 25 +++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)
 create mode 100644 libmpathcmd/libmpathcmd.version

diff --git a/libmpathcmd/Makefile b/libmpathcmd/Makefile
index 08ccb81..2591019 100644
--- a/libmpathcmd/Makefile
+++ b/libmpathcmd/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.inc
 SONAME = 0
 DEVLIB = libmpathcmd.so
 LIBS = $(DEVLIB).$(SONAME)
+VERSION_SCRIPT := libmpathcmd.version
 
 CFLAGS += $(LIB_CFLAGS)
 
@@ -10,8 +11,9 @@ OBJS = mpath_cmd.o
 
 all:	$(DEVLIB)
 
-$(LIBS): $(OBJS)
-	$(CC) $(LDFLAGS) $(SHARED_FLAGS) -Wl,-soname=$@ -o $@ $(OBJS) $(LIBDEPS)
+$(LIBS): $(OBJS) $(VERSION_SCRIPT)
+	$(CC) $(LDFLAGS) $(SHARED_FLAGS) -Wl,-soname=$@ \
+		-Wl,--version-script=$(VERSION_SCRIPT) -o $@ $(OBJS) $(LIBDEPS)
 
 $(DEVLIB): $(LIBS)
 	$(LN) $(LIBS) $@
diff --git a/libmpathcmd/libmpathcmd.version b/libmpathcmd/libmpathcmd.version
new file mode 100644
index 0000000..f100628
--- /dev/null
+++ b/libmpathcmd/libmpathcmd.version
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2020 SUSE LLC
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ *
+ * libmpathcmd ABI
+ *
+ * The ABI of libmpathcmd is supposed to remain stable. Removing symbols
+ * or altering existing symbols' semantics is not allowed. When changing a
+ * a symbol, either use a new name, or explicit symver directives.
+ *
+ * See libmultipath.version for general policy about version numbers.
+ */
+LIBMPATHCMD_1.0.0 {
+global:
+	__mpath_connect;
+	mpath_connect;
+	mpath_disconnect;
+	mpath_process_cmd;
+	mpath_recv_reply;
+	mpath_recv_reply_len;
+	mpath_recv_reply_data;
+	mpath_send_cmd;
+local:
+	*;
+};
-- 
2.28.0


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  parent reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-16 10:42 [dm-devel] [PATCH v2 00/12] multipath-tools: add linker version scripts mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 01/12] libmultipath: find_mpe(): don't match with empty WWID mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 02/12] libmultipath: copy mpp->hwe from pp->hwe mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 03/12] libmultipath: dm_map_present_by_uuid(): fix dm_task_create() call mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 04/12] libdmmp tests: fix compilation mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 05/12] libmultipath: prio: constify some function parameters mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 06/12] libmultipath: checkers/prio: allow non-lazy .so loading mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 07/12] multipath-tools Makefiles: separate rules for .so and man pages mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 08/12] libmultipath: create separate .so for unit tests mwilck
2020-10-16 21:04   ` Benjamin Marzinski
2020-10-16 10:42 ` [dm-devel] [PATCH v2 09/12] libmultipath: add linker version script mwilck
2020-10-16 10:42 ` [dm-devel] [PATCH v2 10/12] libmpathpersist: " mwilck
2020-10-16 10:42 ` mwilck [this message]
2020-10-16 10:42 ` [dm-devel] [PATCH v2 12/12] libmpathpersist: initialize mpp->hwe in get_mpvec() mwilck
2020-10-16 22:13   ` Benjamin Marzinski

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