I can reproduce the problem by removing aclocal.m4, try not breaking the provided one

diff --git a/openvpn-plugin-auth-ldap.spec b/openvpn-plugin-auth-ldap.spec
index 74738c72052acfd29a8ecd707fbfa71458b822eb..09477bcf6878752a6fa7dfaba45df981223ea1a0 100644 (file)
--- a/openvpn-plugin-auth-ldap.spec
+++ b/openvpn-plugin-auth-ldap.spec
@@ -38,11 +38,11 @@ użytkownika i hasłem poprzez LDAP.
 #%%patch0 -p1
 #%%patch1 -p1
 
-> objc.m4
+#:> objc.m4
 
 %build
-%{__aclocal}
-#%%{__autoconf}
+#%%{__aclocal}
+%{__autoconf}
 %{__autoheader}
 cp -f /usr/share/automake/config.sub .
 %configure \