contrib: add jsoncpp

jsoncpp will be used to jsonify account details for the account
import/export feature

Tuleap: #335
Change-Id: I100593ab1515e10d0c0b2314fe7b0e14c6dce26d

configure.ac

@@ -260,6 +260,7 @@ dnl Check for pjproject
 PKG_CHECK_MODULES(PJPROJECT, libpjproject,, AC_MSG_ERROR([Missing pjproject files]))
 
 PKG_CHECK_MODULES([YAMLCPP], [yaml-cpp >= 0.5.1],, AC_MSG_ERROR([yaml-cpp not found]))
+PKG_CHECK_MODULES([JSONCPP], [jsoncpp >= 1.6.5],, AC_MSG_ERROR([jsoncpp not found]))
 
 if test "${HAVE_ANDROID}" = "1"; then
     dnl Check for OpenSL

contrib/src/jsoncpp/SHA512SUMS

+589153d525ffde15e10f1ef6907c6b5d0f62a41c8cebdc12fe2bc4d989bcd861cdac79526de2f51872c0a17e574bf0fd8c913f0aa301c184efa1e3f2fb2b1955  jsoncpp-1.6.5.tar.gz

contrib/src/jsoncpp/rules.mak

+# JSONCPP
+JSONCPP_VERSION := 1.6.5
+JSONCPP_URL := https://github.com/open-source-parsers/jsoncpp/archive/$(JSONCPP_VERSION).tar.gz
+
+PKGS += jsoncpp
+
+ifeq ($(call need_pkg,'jsoncpp'),)
+PKGS_FOUND += jsoncpp
+endif
+
+JSONCPP_CMAKECONF := -DBUILD_STATIC_LIBS:BOOL=ON \
+                     -DBUILD_SHARED_LIBS:BOOL=OFF \
+                     -DJSONCPP_WITH_TESTS:BOOL=OFF
+
+$(TARBALLS)/jsoncpp-$(JSONCPP_VERSION).tar.gz:
+	$(call download,$(JSONCPP_URL))
+
+.sum-jsoncpp: jsoncpp-$(JSONCPP_VERSION).tar.gz
+
+jsoncpp: jsoncpp-$(JSONCPP_VERSION).tar.gz .sum-jsoncpp
+	$(UNPACK)
+	$(MOVE)
+
+.jsoncpp: jsoncpp toolchain.cmake
+	cd $< && $(HOSTVARS) $(CMAKE) . ${JSONCPP_CMAKECONF}
+	cd $< && $(MAKE) install
+	touch $@

src/Makefile.am

@@ -73,6 +73,7 @@ libring_la_LDFLAGS = \
 		@SAMPLERATE_LIBS@ \
 		@SNDFILE_LIBS@ \
 		@YAMLCPP_LIBS@ \
+		@JSONCPP_LIBS@ \
 		@SPEEXDSP_LIBS@ \
 		@LIBUPNP_LIBS@ \
 		@PORTAUDIO_LIBS@ \