Fix building with separate source and build directories

Also make sure we pass `--without-libuv` to configure when we run
`make distcheck` to build in Travis-CI.

.travis.yml

@@ -19,4 +19,4 @@ before_script:
   - ./bootstrap.sh
   - ./configure --prefix=/usr --with-lua --without-libuv
 script:
-  - make -j2 distcheck
+  - DISTCHECK_CONFIGURE_FLAGS=--without-libuv make -j2 distcheck

Makefile.am

@@ -10,6 +10,6 @@ EXTRA_DIST = LICENSE README.BSD README.Solaris README.nt \
 distcleancheck_listfiles = \
        find -type f -exec sh -c 'test -f $(srcdir)/{} || echo {}' ';'
 
-DISTCHECK_CONFIGURE_FLAGS =\
-       --with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir) \
-       --with-modulesloaddir=$$dc_install_base/$(modulesloaddir)
+AM_DISTCHECK_CONFIGURE_FLAGS =\
+    --with-systemdsystemunitdir=$$dc_install_base/$(systemdsystemunitdir) \
+    --with-modulesloaddir=$$dc_install_base/$(modulesloaddir)

lib-src/rpc2/rpc2-src/Makefile.am

@@ -1,7 +1,7 @@
 ## Process this file with automake to produce Makefile.in
 
 AM_CPPFLAGS = -I$(top_builddir)/include -I$(top_srcdir)/include \
-    $(LUA_CFLAGS) $(LWP_CFLAGS) \
+    -I$(top_srcdir) $(LUA_CFLAGS) $(LWP_CFLAGS) \
     -DRPC2DEBUG -DERRORTR -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
 LDADD = librpc2.la libse.la $(LWP_LIBS)
 

lib-src/rpc2/secure/Makefile.am

@@ -1,6 +1,7 @@
 ## Process this file with automake to produce Makefile.in
 
-AM_CPPFLAGS = -I$(top_srcdir)/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
+AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir) \
+    -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
 LDADD = libsecure.la
 
 noinst_LTLIBRARIES = libsecure.la