misc: remove unnecessary --build for libgit2 and check recent openDHT version

Change-Id: Ic6f2cd3e0b0cf839dc602231ad4b0a4914968b2e

configure.ac

@@ -565,7 +565,7 @@ fi
 AM_CONDITIONAL([HAVE_WEBRTC_AP], test "x$with_webrtc_ap" = "xyes")
 
 dnl check for openDHT
-PKG_CHECK_MODULES([OPENDHT], [opendht >= 0.6.1],,
+PKG_CHECK_MODULES([OPENDHT], [opendht >= 2.2.0],,
   AC_MSG_FAILURE([Missing OpenDHT]))
 
 PKG_CHECK_MODULES([SECP256K1], [libsecp256k1 >= 0.1],,

contrib/src/libgit2/rules.mak

@@ -24,6 +24,5 @@ libgit2: libgit2-v$(LIBGIT2_VERSION).tar.gz .sum-libgit2
 .libgit2: libgit2
 	cd $< && mkdir -p build && cd build \
     && $(CMAKE) -DCMAKE_C_FLAGS=-fPIC -DCMAKE_INSTALL_PREFIX=$(PREFIX) -DUSE_HTTPS=OFF -DCURL=OFF -DUSE_HTTP_PARSER=system -DBUILD_CLAR=OFF -DBUILD_SHARED_LIBS=OFF -DUSE_SSH=OFF -DREGEX_BACKEND=regcomp .. \
-    && $(CMAKE) --build . \
     && $(MAKE) install
 	touch $@