Auto-detect .NET target framework to use in `build.sh` (#1864)

* Auto-detect .NET target framework to use in `build.sh`.

* Remove some unused build code and files.

build/build.sh

@@ -54,6 +54,18 @@ generate()
 {
   download_llvm
 
+
+  if [ "$target_framework" = "" ]; then
+    if command -v dotnet &> /dev/null
+    then
+        version=$(dotnet --version)
+        major_minor=$(echo $version | awk -F. '{print $1"."$2}')
+        target_framework="net$major_minor"
+    else
+        echo ".NET is not installed, cannot lookup up target framework version."
+    fi
+  fi
+
   if [ "$os" = "linux" ] || [ "$os" = "macosx" ]; then
     "$builddir/premake.sh" --file="$builddir/premake5.lua" gmake2 --os=$os --arch=$platform --configuration=$configuration --target-framework=$target_framework "$@"
   fi

build/premake5.lua

@@ -53,7 +53,6 @@ workspace "CppSharp"
     if EnabledManagedProjects() then
       include (srcdir .. "/Core")
       include (srcdir .. "/AST")
-      --include (srcdir .. "/ASTViewer")
       include (srcdir .. "/CppParser/Bindings")
       include (srcdir .. "/CppParser/Bootstrap")
       include (srcdir .. "/CppParser/ParserGen")

build/scripts/ClangToolset.cmake

@@ -1,19 +0,0 @@
-SET (CMAKE_C_COMPILER             "/usr/bin/clang")
-SET (CMAKE_C_FLAGS                "-Wall -std=c99")
-SET (CMAKE_C_FLAGS_DEBUG          "-glldb")
-SET (CMAKE_C_FLAGS_MINSIZEREL     "-Os -DNDEBUG")
-SET (CMAKE_C_FLAGS_RELEASE        "-O4 -DNDEBUG")
-SET (CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -glldb")
-
-SET (CMAKE_CXX_COMPILER             "/usr/bin/clang++")
-SET (CMAKE_CXX_FLAGS                "-Wall")
-SET (CMAKE_CXX_FLAGS_DEBUG          "-glldb")
-SET (CMAKE_CXX_FLAGS_MINSIZEREL     "-Os -DNDEBUG")
-SET (CMAKE_CXX_FLAGS_RELEASE        "-O4 -DNDEBUG")
-SET (CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -glldb")
-
-SET (CMAKE_AR      "/usr/bin/llvm-ar")
-SET (CMAKE_LINKER  "/usr/bin/llvm-ld")
-SET (CMAKE_NM      "/usr/bin/llvm-nm")
-SET (CMAKE_OBJDUMP "/usr/bin/llvm-objdump")
-SET (CMAKE_RANLIB  "/usr/bin/llvm-ranlib")

build/scripts/Provision.lua

@@ -1,117 +0,0 @@
-require "Utils"
-
-function download_ninja()
-	local system = "";
-	if os.ishost("windows") then
-		system = "win"
-	elseif os.ishost("macosx") then
-		system = "mac"
-	elseif os.ishost("linux") then
-		system = "linux"
-	else
-		error("Error downloading Ninja for unknown system")
-	end
-
-	local url = "https://github.com/ninja-build/ninja/releases/download/v1.6.0/ninja-" .. system .. ".zip"
-	local file = "ninja.zip"
-
-	if not os.isfile(file) then
-		download(url, file)
-	end
-
-	if os.isfile(file) then
-		print("Extracting file " .. file)
-		zip.extract(file, "ninja")
-	end
-end
-
-function download_cmake()
-	local system = "";
-	if os.ishost("windows") then
-		system = "win32-x86.zip"
-	elseif os.ishost("macosx") then
-		system = "Darwin-x86_64.dmg"
-	elseif os.ishost("linux") then
-		system = "Linux-x86_64.sh"
-	else
-		error("Error downloading CMake for unknown system")
-	end
-
-	local base = "cmake-3.8.2-" 
-	local file = base .. system
-
-	local url = "https://cmake.org/files/v3.8/" .. file
-
-	if not os.isfile(file) then
-		download(url, file)
-	end
-
-	return file
-end
-
-function download_nuget()
-  if not os.isfile("nuget.exe") then
-    download("https://nuget.org/nuget.exe", "nuget.exe")
-  end
-end
-
-function restore_nuget_packages()
-  local nugetexe = os.ishost("windows") and "NuGet.exe" or "mono ./NuGet.exe"
-  execute(nugetexe .. " restore packages.config -PackagesDirectory " .. path.join(rootdir, "deps"))
-end
-
-local compile_llvm = is_vagrant()
-
-function provision_linux()
-	-- Add Repos
-	sudo("apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF")
-	sudo("echo \"deb http://download.mono-project.com/repo/ubuntu xenial main\" | sudo tee /etc/apt/sources.list.d/mono-xamarin.list")
-
-	sudo("apt-get update")
-
-	-- Build tools
-	sudo("apt-get install -y git build-essential clang")
-
-	-- Mono
-	sudo("apt-get install -y mono-devel")
-
-	-- LLVM/Clang build tools
-	if compile_llvm then
-		sudo("apt-get install -y ninja-build")
-		local file = download_cmake()
-		sudo("mkdir -p /opt/cmake")
-		sudo("bash " .. file .. " --prefix=/opt/cmake --skip-license")
-		sudo("ln -s /opt/cmake/bin/cmake /usr/local/bin/cmake")
-	end
-end
-
-function brew_install(pkg)
-	-- check if package is already installed
-	local res = outputof("brew ls --versions " .. pkg)
-	if string.is_empty(res) then
-		execute("brew install " .. pkg)
-	end 
-end
-
-function provision_osx()
-	if compile_llvm then
-		execute("brew cask install virtualbox vagrant")
-	end
-  	download_cmake()
-end
-
-if _ACTION == "cmake" then
-	download_cmake()
-	os.exit()
-end
-
-if _ACTION == "provision" then
-  if os.ishost("linux") then
-  	provision_linux()
-  elseif os.ishost("macosx") then
-  	provision_osx()
-  end
-  os.exit()
-end
-
-

build/scripts/Vagrantfile

@@ -1,44 +0,0 @@
-# -*- mode: ruby -*-
-# vi: set ft=ruby :
-
-$script = <<SCRIPT
-SCRIPT
-
-is_windows = (RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/)
-
-Vagrant.configure(2) do |config|
-  # For a complete reference, please see the online documentation at
-  # https://docs.vagrantup.com.
-
-  config.vm.box = "geerlingguy/ubuntu1604"
-
-  #load external box config
-  config.vm.provider "virtualbox" do |vb|
-    vb.memory = 8192
-    vb.cpus = 4
-    vb.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate//cppsharp","1"]
-  end
-
-  config.vm.network "private_network", type: "dhcp"
-
-  config.vm.synced_folder "../..", "/cppsharp", nfs: !is_windows
-
-  # this function fixes errors with ubuntu interactive shell
-  config.vm.provision "fix-no-tty", type: "shell" do |s|
-    s.privileged = false
-    s.inline = "sudo sed -i '/tty/!s/mesg n/tty -s \\&\\& mesg n/' /root/.profile"
-  end
-
-  #this section runs as root
-  config.vm.provision "shell", privileged: true , inline: <<-SHELL
-
-  cd /cppsharp/
-  cd build/scripts && ../premake5-linux-64 --file=Provision.lua provision
-
-  SHELL
-
-  #this section runs as normal user
-  config.vm.provision "shell", privileged: false , inline: <<-SHELL
-
-  SHELL
-end