Convert the tools dir makefile similarly to the topdir

.gitignore

@@ -8,7 +8,7 @@ config.rpath
 config.status
 include/config.h
 include/config.h.in
-tools/Makefile
+tools/config.mak
 autom4te.cache
 edge
 example_edge_embed_quick_edge_init

configure.ac

@@ -89,7 +89,7 @@ AS_IF([test "x$enable_pcap" != xno],
         [
             AC_DEFINE([N2N_HAVE_PCAP], [1], [Have PCAP library])
             N2N_LIBS_EXTRA="-lpcap ${N2N_LIBS_EXTRA}"
-            ADDITIONAL_TOOLS="$ADDITIONAL_TOOLS n2n-decode"
+            TOOLS_ADDITIONAL="$TOOLS_ADDITIONAL n2n-decode"
 
             # TODO
             # - pcap_set_immediate_mode has been available since libpcap 1.5
@@ -151,9 +151,9 @@ AC_SUBST(CFLAGS)
 AC_SUBST(LDFLAGS)
 AC_SUBST(N2N_VERSION)
 AC_SUBST(N2N_LIBS_EXTRA)
-AC_SUBST(ADDITIONAL_TOOLS)
+AC_SUBST(TOOLS_ADDITIONAL)
 AC_CONFIG_HEADERS(include/config.h)
 AC_CONFIG_FILES(config.mak)
-AC_CONFIG_FILES(tools/Makefile)
+AC_CONFIG_FILES(tools/config.mak)
 
 AC_OUTPUT

scripts/hack_fakeautoconf.sh

@@ -11,9 +11,9 @@ LDFLAGS=$LDFLAGS
 N2N_LIBS_EXTRA=$LDLIBS
 EOF
 
-sed \
+cat >tools/config.mak <<EOF
-    -e "s%@ADDITIONAL_TOOLS@%%g" \
+TOOLS_ADDITIONAL=
-    < tools/Makefile.in > tools/Makefile
+EOF
 
 cat <<EOF >include/config.h
 #define PACKAGE_VERSION "FIXME"

tools/Makefile.in → tools/Makefile

@@ -2,6 +2,8 @@
 # This is not a standalone makefile, it must be called from the toplevel
 # makefile to inherit the correct environment
 
+include config.mak
+
 DEBUG?=-g3
 
 HEADERS=$(wildcard include/*.h)
@@ -16,7 +18,7 @@ LDFLAGS+=-L..
 N2N_LIB=../libn2n.a
 
 TOOLS=n2n-benchmark n2n-keygen n2n-route n2n-portfwd
-TOOLS+=@ADDITIONAL_TOOLS@
+TOOLS+=$(TOOLS_ADDITIONAL)
 
 TESTS=tests-compress tests-elliptic tests-hashing tests-transform
 TESTS+=tests-wire

tools/config.mak.in

@@ -0,0 +1,2 @@
+
+TOOLS_ADDITIONAL=@TOOLS_ADDITIONAL@