BUILD: Build shared components as an internal shared library

There is a large amount of duplicated code being linked into multiple
SSSD binaries. Instead of statically linking this code throughout the
SSSD, we should instead create private shared libraries for them and
drop this code on the system only once.

2 files changed, 27 insertions, 6 deletions

diff --git a/Makefile.am b/Makefile.am
index 64708216..4ff02b8e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -176,7 +176,9 @@ krb5authdata_plugin_LTLIBRARIES = \
     sssd_pac_plugin.la
 endif
 
-noinst_LTLIBRARIES = \
+noinst_LTLIBRARIES =
+
+pkglib_LTLIBRARIES = \
     libsss_crypt.la
 
 if HAVE_NSS
@@ -203,6 +205,8 @@ libsss_crypt_la_CFLAGS = \
     $(DHASH_CFLAGS)
 libsss_crypt_la_LIBADD = \
     $(SSS_CRYPT_LIBS)
+libsss_crypt_la_LDFLAGS = \
+    -avoid-version
 
 if BUILD_PYTHON_BINDINGS
 pyexec_LTLIBRARIES = \
@@ -471,15 +475,18 @@ endif
 #####################
 # Utility libraries #
 #####################
-noinst_LTLIBRARIES += libsss_debug.la
+pkglib_LTLIBRARIES += libsss_debug.la
 libsss_debug_la_SOURCES = \
     src/util/debug.c \
     src/util/sss_log.c
+libsss_debug_la_LDFLAGS = \
+    -avoid-version
 
-noinst_LTLIBRARIES += libsss_child.la
+pkglib_LTLIBRARIES += libsss_child.la
 libsss_child_la_SOURCES = src/util/child_common.c
+libsss_child_la_LDFLAGS = -avoid-version
 
-noinst_LTLIBRARIES += libsss_util.la
+pkglib_LTLIBRARIES += libsss_util.la
 libsss_util_la_SOURCES = \
     src/confdb/confdb.c \
     src/db/sysdb.c \
@@ -532,6 +539,7 @@ libsss_util_la_SOURCES += \
     src/db/sysdb_ssh.c \
     src/util/sss_ssh.c
 endif
+libsss_util_la_LDFLAGS = -avoid-version
 
 lib_LTLIBRARIES = libipa_hbac.la libsss_idmap.la
 dist_pkgconfig_DATA += src/providers/ipa/ipa_hbac.pc
@@ -1251,7 +1259,7 @@ endif
 # Plugin Libraries #
 ####################
 
-noinst_LTLIBRARIES += libsss_ldap_common.la
+pkglib_LTLIBRARIES += libsss_ldap_common.la
 libsss_ldap_common_la_SOURCES = \
     src/providers/ldap/ldap_id.c \
     src/providers/ldap/ldap_id_enum.c \
@@ -1278,6 +1286,8 @@ libsss_ldap_common_la_SOURCES = \
     src/providers/ldap/sdap_range.c \
     src/providers/ldap/sdap_reinit.c \
     src/providers/ldap/sdap.c
+libsss_ldap_common_la_LDFLAGS = \
+    -avoid-version
 
 if BUILD_SUDO
 libsss_ldap_common_la_SOURCES += \
@@ -1295,7 +1305,7 @@ libsss_ldap_common_la_SOURCES += \
 endif
 
 
-noinst_LTLIBRARIES += libsss_krb5_common.la
+pkglib_LTLIBRARIES += libsss_krb5_common.la
 libsss_krb5_common_la_SOURCES = \
     src/providers/krb5/krb5_utils.c \
     src/providers/krb5/krb5_become_user.c \
@@ -1307,6 +1317,8 @@ libsss_krb5_common_la_SOURCES = \
     src/providers/krb5/krb5_access.c \
     src/providers/krb5/krb5_child_handler.c \
     src/providers/krb5/krb5_init_shared.c
+libsss_krb5_common_la_LDFLAGS = \
+    -avoid-version
 
 libsss_ldap_la_SOURCES = \
     src/util/find_uid.c \
@@ -1658,6 +1670,7 @@ installsssddirs::
     $(DESTDIR)$(dbusintrospectdir) \
     $(DESTDIR)$(pipepath)/private \
     $(DESTDIR)$(sssdlibdir) \
+    $(DESTDIR)$(pkglibdir) \
     $(DESTDIR)$(sssdconfdir) \
     $(DESTDIR)$(sssddatadir) \
     $(DESTDIR)$(dbpath) \
diff --git a/contrib/sssd.spec.in b/contrib/sssd.spec.in
index 2a0401d1..7f124f5c 100644
--- a/contrib/sssd.spec.in
+++ b/contrib/sssd.spec.in
@@ -385,6 +385,14 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/%{name}/libsss_proxy.so
 %{_libdir}/%{name}/libsss_simple.so
 
+#Internal shared libraries
+%{_libdir}/%{name}/libsss_child.so
+%{_libdir}/%{name}/libsss_crypt.so
+%{_libdir}/%{name}/libsss_debug.so
+%{_libdir}/%{name}/libsss_krb5_common.so
+%{_libdir}/%{name}/libsss_ldap_common.so
+%{_libdir}/%{name}/libsss_util.so
+
 %{ldb_modulesdir}/memberof.so
 %{_bindir}/sss_ssh_authorizedkeys
 %{_bindir}/sss_ssh_knownhostsproxy