nlohmann_json, bump version, kudos to nephele (#5501)

dev-libs/nlohmann_json/nlohmann_json-3.4.0.recipe

@@ -1,32 +0,0 @@
-SUMMARY="JSON library for Modern C++"
-DESCRIPTION="One-header JSON library with intuitive syntax."
-HOMEPAGE="https://github.com/nlohmann/json"
-COPYRIGHT="2013-2018 Niels Lohmann"
-LICENSE="MIT"
-REVISION="1"
-SOURCE_URI="https://github.com/nlohmann/json/releases/download/v$portVersion/json.hpp#noarchive"
-CHECKSUM_SHA256="63da6d1f22b2a7bb9e4ff7d6b255cf691a161ff49532dcc45d398a53e295835f"
-
-ARCHITECTURES="any"
-
-PROVIDES="
-	nlohmann_json = $portVersion
-	devel:nlohmann_json = $portVersion
-	"
-REQUIRES="
-	haiku_devel
-        "
-
-BUILD_REQUIRES=""
-BUILD_PREREQUIRES=""
-
-BUILD()
-{
-	true
-}
-
-INSTALL()
-{
-	mkdir -p $includeDir/nlohmann
-	cp json.hpp $includeDir/nlohmann/json.hpp
-}

dev-libs/nlohmann_json/nlohmann_json-3.9.1.recipe

@@ -0,0 +1,42 @@
+SUMMARY="JSON library for Modern C++"
+DESCRIPTION="One-header JSON library with intuitive syntax."
+HOMEPAGE="https://github.com/nlohmann/json"
+COPYRIGHT="2013-2020 Niels Lohmann"
+LICENSE="MIT"
+REVISION="1"
+SOURCE_URI="https://github.com/nlohmann/json/archive/v$portVersion.tar.gz"
+CHECKSUM_SHA256="4cf0df69731494668bdd6460ed8cb269b68de9c19ad8c27abc24cd72605b2d5b"
+SOURCE_FILENAME="nlohmann-json.v$portVersion.tar.gz"
+SOURCE_DIR="json-$portVersion/"
+
+ARCHITECTURES="any"
+
+PROVIDES="
+	nlohmann_json = $portVersion
+	devel:nlohmann_json = $portVersion
+	"
+
+BUILD_PREREQUIRES="
+	cmd:cmake
+	cmd:make
+	"
+
+BUILD()
+{
+	cmake $cmakeDirArgs -S. -Bbuild \
+		-DJSON_MultipleHeaders=ON \
+		-DJSON_BuildTests=OFF \
+		-DBUILD_TESTING=OFF \
+		-DCMAKE_CXX_COMPILER=/bin/true
+}
+
+INSTALL()
+{
+	cmake --build build --target install
+
+	fixPkgconfig
+
+	#fix cmake
+	sed -i 's,\/include,/'${relativeIncludeDir}',g' \
+		$libDir/cmake/nlohmann_json/nlohmann_jsonTargets.cmake
+}