Check for the libz, libbz2 and g++-4.7 before building

Makefile.in

@@ -3,6 +3,7 @@ SHELL = /bin/bash
 PROTOC = @PROTOC@
 GO     = @GO@
 GOROOT = @GOROOT@
+AUTORECONF = @AUTORECONF@
 # or 386, arm
 arch   = amd64
 CGO_ENABLED = 1
@@ -78,7 +79,12 @@ leveldb_dir     = /tmp/leveldb.influxdb.$(arch)
 leveldb_file    = leveldb-$(leveldb_version).tar.gz
 leveldb_deps    = $(leveldb_dir)/libleveldb.a
 
+cpp_47 = $(shell sh -c test `g++ -dumpversion | awk '{print $1>=4.7?"1":"0"}'`)
+rocksdb = yes
+ifneq ($(cpp_47),1)
 rocksdb = no
+endif
+
 ifeq ($(rocksdb),yes)
 # rocksdb variables
 rocksdb_version = 3.1
@@ -160,7 +166,7 @@ ifeq ($(uname_S),Linux)
 	bash -c "cd $(hyperleveldb_dir); \
 	wget https://github.com/influxdb/HyperLevelDB/archive/$(hyperleveldb_file); \
 	tar --strip-components=1 -xvzf $(hyperleveldb_file); \
-  autoreconf -i; \
+  $(AUTORECONF) -i; \
 	CFLAGS='$(cflags)' CXXFLAGS='$(cflags)' ./configure; \
 	$(MAKE)"
 endif

configure.ac

@@ -2,6 +2,7 @@ AC_INIT([Influxdb], [0.3.0], [support@influxdb.com], [influxdb], [http://influxd
 AC_SUBST(PROTOC)
 AC_SUBST(GO)
 AC_SUBST(GOROOT)
+AC_SUBST(AUTORECONF)
 AC_SUBST(with_bison)
 AC_SUBST(with_flex)
 AC_PATH_PROG(PROTOC, protoc, "notfound")
@@ -35,6 +36,13 @@ AC_ARG_WITH([bison],
   [],
   [with_bison=])
 
+AC_PATH_PROG(AUTORECONF, autoreconf, "notfound")
+if test x"${AUTORECONF}" == x"notfound"; then
+   AC_MSG_ERROR([Please install autoconf before trying to build InfluxDB])
+fi
+AC_CHECK_LIB(z, gzdopen,,AC_MSG_ERROR("cannot find libz"))
+AC_CHECK_LIB(bz2, BZ2_bzReadOpen,,AC_MSG_ERROR("cannot find libbz2"))
+
 if test x"${with_bison}" == x""; then
    AC_PATH_PROG(with_bison, bison, "notfound")
 fi