added libhttp_parser build script

deps/http_parser.mk

@@ -0,0 +1,29 @@
+## http_parser
+
+HTTPPARSER_GIT_URL := git://github.com/nodejs/http-parser.git
+HTTPPARSER_TAR_URL = https://api.github.com/repos/nodejs/http-parser/tarball/$1
+$(eval $(call git-external,http_parser,HTTPPARSER,Makefile,libhttpparser.$(SHLIB_EXT),$(BUILDDIR)))
+
+HTTPPARSER_OBJ_TARGET := $(build_shlibdir)/libhttp_parser.$(SHLIB_EXT)
+HTTPPARSER_OBJ_SOURCE := $(BUILDDIR)/$(HTTPPARSER_SRC_DIR)/libhttp_parser.$(SHLIB_EXT)
+
+$(HTTPPARSER_OBJ_SOURCE): $(BUILDDIR)/$(HTTPPARSER_SRC_DIR)/Makefile
+	$(MAKE) -C $(dir $<) library $(MAKE_COMMON)
+	touch -c $@
+$(HTTPPARSER_OBJ_TARGET): $(HTTPPARSER_OBJ_SOURCE)
+	$(call make-install,$(HTTPPARSER_SRC_DIR), library PREFIX=$(build_staging)/$(HTTPPARSER_SRC_DIR)$(build_prefix))
+	touch -c $(HTTPPARSER_OBJ_TARGET)
+
+clean-http_parser:
+	-rm -rf $(BUILDDIR)/$(HTTPPARSER_SRC_DIR)
+	-rm -f $(HTTPPARSER_OBJ_TARGET)
+distclean-http_parser:
+    -rm -rf $(SRCDIR)/srccache/http_parser-$(HTTPPARSER_SHA1).tar.gz \
+        $(SRCDIR)/srccache/http_parser-$(HTTPPARSER_SHA1) \
+        $(BUILDDIR)/http_parser-$(HTTPPARSER_SHA1)
+
+get-http_parser: $(HTTPPARSER_SRC_FILE)
+configure-http_parser: $(BUILDDIR)/$(HTTPPARSER_SRC_DIR)/Makefile
+compile-http_parser: $(HTTPPARSER_OBJ_SOURCE)
+check-http_parser: compile-http_parser
+install-http_parser: $(HTTPPARSER_OBJ_TARGET)

deps/http_parser.version

@@ -0,0 +1,2 @@
+HTTPPARSER_BRANCH=master
+HTTPPARSER_SHA1=9b0d5b33ebdaacff1dadd06bad4e198b11ff880e