The symbol versions are used by the dynamic linker (and other things,
like rpm) to ensure that a program does not run with an outdated
library that still has the same SONAME.
Signed-off-by: Jan Engelhardt <jengelh@xxxxxxx>
---
Makefile.am | 3 ++-
nfsidmap.map | 27 +++++++++++++++++++++++++++
2 files changed, 29 insertions(+), 1 deletion(-)
create mode 100644 nfsidmap.map
diff --git a/Makefile.am b/Makefile.am
index 85f19c8..69bbcbc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -26,8 +26,9 @@ pkglib_LTLIBRARIES = nsswitch.la static.la $(UMICH_LDAP_LIB) $(GUMS_MAPPING_LIB)
# by this library.
libnfsidmap_la_SOURCES = libnfsidmap.c cfg.c strlcpy.c cfg.h nfsidmap_internal.h queue.h
-libnfsidmap_la_LDFLAGS = -version-info 3:0:3
+libnfsidmap_la_LDFLAGS = -version-info 3:0:3 -Wl,--version-script=$(srcdir)/nfsidmap.map
libnfsidmap_la_LIBADD = -ldl
+libnfsidmap_la_DEPENDENCIES = nfsidmap.map
nsswitch_la_SOURCES = nss.c
nsswitch_la_LDFLAGS = -module -avoid-version
diff --git a/nfsidmap.map b/nfsidmap.map
new file mode 100644
index 0000000..540835c
--- /dev/null
+++ b/nfsidmap.map
@@ -0,0 +1,27 @@
+V_0.26 {
+global:
+ nfs4_init_name_mapping;
+ nfs4_get_default_domain;
+ nfs4_uid_to_name;
+ nfs4_gid_to_name;
+ nfs4_uid_to_owner;
+ nfs4_gid_to_group_owner;
+ nfs4_name_to_uid;
+ nfs4_name_to_gid;
+ nfs4_owner_to_uid;
+ nfs4_owner_to_gid;
+ nfs4_group_owner_to_gid;
+ nfs4_gss_princ_to_ids;
+ nfs4_gss_princ_to_grouplist;
+ nfs4_gss_princ_to_ids_ex;
+ nfs4_gss_princ_to_grouplist_ex;
+ nfs4_set_debug;
+local:
+ *;
+};
+/*
+V_0.27 {
+global:
+ ...
+} V_0.26;
+*/
--
2.0.0
--
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