actually build the pam module

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10774 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/auth/pam/Makefile.am

@@ -1,3 +1,63 @@
 # $Id$
 
 include $(top_srcdir)/Makefile.am.common
+
+INCLUDES += $(INCLUDE_krb4)
+
+WFLAGS += $(WFLAGS_NOIMPLICITINT)
+
+DEFS = @DEFS@
+
+## this is horribly ugly, but automake/libtool doesn't allow us to
+## unconditionally build shared libraries, and it does not allow us to
+## link with non-installed libraries
+
+if KRB4
+KAFS=$(top_builddir)/lib/kafs/.libs/libkafs.a
+KAFS_S=$(top_builddir)/lib/kafs/.libs/libkafs.so
+
+L = \
+	$(KAFS)						\
+	$(top_builddir)/lib/krb/.libs/libkrb.a		\
+	$(LIB_des_a)		\
+	$(top_builddir)/lib/roken/.libs/libroken.a	\
+	-lc
+
+L_shared = \
+	$(KAFS_S)					\
+	$(top_builddir)/lib/krb/.libs/libkrb.so		\
+	$(LIB_des_so)		\
+	$(top_builddir)/lib/roken/.libs/libroken.so	\
+	$(LIB_getpwnam_r)				\
+	-lc
+
+MOD = pam_krb4.so
+
+endif
+
+EXTRA_DIST = pam.conf.add
+
+foodir = $(libdir)
+foo_DATA = $(MOD)
+
+LDFLAGS = @LDFLAGS@
+
+OBJS = pam.o
+
+pam_krb4.so: $(OBJS)
+	@if test -f $(top_builddir)/lib/krb/.libs/libkrb.a; then \
+		echo "$(CC) -shared -o $@ $(LDFLAGS) $(OBJS) $(L)"; \
+		$(CC) -shared -o $@ $(LDFLAGS) $(OBJS) $(L); \
+	elif test -f $(top_builddir)/lib/krb/.libs/libkrb.so; then \
+		echo "$(CC) -shared -o $@ $(LDFLAGS) $(OBJS) $(L_shared)"; \
+		$(CC) -shared -o $@ $(LDFLAGS) $(OBJS) $(L_shared); \
+	else \
+		echo "missing libraries"; exit 1; \
+	fi
+
+CLEANFILES = $(MOD) $(OBJS)
+
+SUFFIXES = .c .o
+
+.c.o:
+	$(COMPILE) -c $<