Fix build fails for libsubid (libtool:   error: cannot find name of link library for '../libsubid/libsubid.la').
Consisting of following upstream commits:
* f4a84efb468b8be21be124700ce35159c444e9d6
* 537b8cd90be7b47b45c45cfd27765ef85eb0ebf1
* fa986b1d73605ecca54a4f19249227aeab827bf6
Index: shadow-4.9/configure.ac
===================================================================
--- shadow-4.9.orig/configure.ac
+++ shadow-4.9/configure.ac
@@ -321,6 +321,8 @@ if test "$with_sha_crypt" = "yes"; then
 	AC_DEFINE(USE_SHA_CRYPT, 1, [Define to allow the SHA256 and SHA512 password encryption algorithms])
 fi
 
+AM_CONDITIONAL(ENABLE_SHARED, test "x$enable_shared" = "xyes")
+
 AM_CONDITIONAL(USE_BCRYPT, test "x$with_bcrypt" = "xyes")
 if test "$with_bcrypt" = "yes"; then
 	AC_DEFINE(USE_BCRYPT, 1, [Define to allow the bcrypt password encryption algorithm])
Index: shadow-4.9/lib/Makefile.am
===================================================================
--- shadow-4.9.orig/lib/Makefile.am
+++ shadow-4.9/lib/Makefile.am
@@ -10,6 +10,8 @@ if HAVE_VENDORDIR
 libshadow_la_CPPFLAGS += -DVENDORDIR=\"$(VENDORDIR)\"
 endif
 
+libshadow_la_CPPFLAGS += -I$(top_srcdir)
+
 libshadow_la_SOURCES = \
 	commonio.c \
 	commonio.h \
Index: shadow-4.9/libmisc/Makefile.am
===================================================================
--- shadow-4.9.orig/libmisc/Makefile.am
+++ shadow-4.9/libmisc/Makefile.am
@@ -1,7 +1,7 @@
 
 EXTRA_DIST = .indent.pro xgetXXbyYY.c
 
-AM_CPPFLAGS = -I$(top_srcdir)/lib $(ECONF_CPPFLAGS)
+AM_CPPFLAGS = -I$(top_srcdir)/lib -I$(top_srcdir) $(ECONF_CPPFLAGS)
 
 noinst_LTLIBRARIES = libmisc.la
 
Index: shadow-4.9/libsubid/Makefile.am
===================================================================
--- shadow-4.9.orig/libsubid/Makefile.am
+++ shadow-4.9/libsubid/Makefile.am
@@ -1,6 +1,8 @@
 lib_LTLIBRARIES = libsubid.la
+if ENABLE_SHARED
 libsubid_la_LDFLAGS = -Wl,-soname,libsubid.so.@LIBSUBID_ABI@ \
 	-shared -version-info @LIBSUBID_ABI_MAJOR@
+endif
 libsubid_la_SOURCES = api.c
 
 pkginclude_HEADERS = subid.h
@@ -16,11 +18,12 @@ MISCLIBS = \
 	$(LIBCRYPT) \
 	$(LIBACL) \
 	$(LIBATTR) \
-	$(LIBTCB)
+	$(LIBTCB) \
+	$(LIBPAM)
 
 libsubid_la_LIBADD = \
-	$(top_srcdir)/lib/libshadow.la \
-	$(top_srcdir)/libmisc/libmisc.la \
+	$(top_builddir)/lib/libshadow.la \
+	$(top_builddir)/libmisc/libmisc.la \
 	$(MISCLIBS) -ldl
 
 AM_CPPFLAGS = \
Index: shadow-4.9/src/Makefile.am
===================================================================
--- shadow-4.9.orig/src/Makefile.am
+++ shadow-4.9/src/Makefile.am
@@ -10,6 +10,7 @@ sgidperms = 2755
 AM_CPPFLAGS = \
 	-I${top_srcdir}/lib \
 	-I$(top_srcdir)/libmisc \
+	-I$(top_srcdir) \
 	-DLOCALEDIR=\"$(datadir)/locale\"
 
 # XXX why are login and su in /bin anyway (other than for
@@ -183,6 +184,7 @@ list_subid_ranges_LDADD = \
 list_subid_ranges_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/libmisc \
+	-I$(top_srcdir) \
 	-I$(top_srcdir)/libsubid
 
 get_subid_owners_LDADD = \
@@ -194,11 +196,13 @@ get_subid_owners_LDADD = \
 get_subid_owners_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/libmisc \
+	-I$(top_srcdir) \
 	-I$(top_srcdir)/libsubid
 
 new_subid_range_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/libmisc \
+	-I$(top_srcdir) \
 	-I$(top_srcdir)/libsubid
 
 new_subid_range_LDADD = \
@@ -210,6 +214,7 @@ new_subid_range_LDADD = \
 free_subid_range_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
 	-I$(top_srcdir)/libmisc \
+	-I$(top_srcdir) \
 	-I$(top_srcdir)/libsubid
 
 free_subid_range_LDADD = \
@@ -220,6 +225,7 @@ free_subid_range_LDADD = \
 
 check_subid_range_CPPFLAGS = \
 	-I$(top_srcdir)/lib \
+	-I$(top_srcdir) \
 	-I$(top_srcdir)/libmisc
 
 check_subid_range_LDADD = \