Add Linux build workflow and fix Linux compatibility (#3)

* Update Engine submodule and add Linux workflow files
* Add SetLibDirs to premake util
* Fix upper/lowercase issue in dependencies
* Define postgres library and include for libpq

---------

Co-authored-by: NixAJ <[email protected]>

.github/workflows/linux-build.yml

@@ -0,0 +1,48 @@
+name: Linux Build
+
+on:
+  workflow_call:
+
+jobs:
+  linux-build:
+    runs-on: ubuntu-22.04
+
+    strategy:
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: false
+        repository: novusengine/Servers
+
+    - name: Setup premake
+      uses: abel0b/[email protected]
+      with:
+        version: "5.0.0-beta1"
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get update && sudo apt-get install -yq clang libx11-dev libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libvulkan-dev
+        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-14 100
+
+    - name: Install Vulkan SDK
+      run: |
+        wget -qO- https://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo tee /etc/apt/trusted.gpg.d/lunarg.asc
+        sudo wget -qO /etc/apt/sources.list.d/lunarg-vulkan-jammy.list http://packages.lunarg.com/vulkan/lunarg-vulkan-jammy.list
+        sudo apt update
+        sudo apt install vulkan-sdk
+
+    - name: Checkout submodules
+      run: |
+        git submodule update --init --recursive
+
+    - name: Run Premake
+      run: |
+        export VULKAN_SDK=/usr/include/vulkan
+        premake5 gmake2
+
+    - name: Build
+      run: |
+        cd Build
+        make -j 4 -k

.github/workflows/on-label-linux-build.yml

@@ -0,0 +1,12 @@
+name: PR Linux Build
+
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [ labeled ]
+
+jobs:
+  call-linux-build:
+    if: ${{ github.event.label.name == 'build-linux' }}
+    name: Linux Build
+    uses: ./.github/workflows/linux-build.yml

.github/workflows/on-push.yml

@@ -9,6 +9,10 @@ jobs:
     name: Windows Build
     uses: ./.github/workflows/win-build.yml
 
+  call-linux-build:
+    name: Linux Build
+    uses: ./.github/workflows/linux-build.yml
+
   call-windows-deploy:
     needs: call-windows-build
     if: github.ref == 'refs/heads/master' || github.event_name == 'workflow_dispatch'

Dependencies/Dependencies.lua

@@ -5,7 +5,7 @@ Solution.Util.SetGroup(Solution.DependencyGroup)
 
 local dependencies =
 {
-    "Libpqxx/Libpqxx.lua"
+    "libpqxx/Libpqxx.lua"
 }
 
 for k,v in pairs(dependencies) do

Dependencies/libpqxx/Libpqxx.lua

@@ -1,8 +1,12 @@
-local osEnvName = "POSTGRES_ROOT"
-local postgresRoot = os.getenv(osEnvName)
-
-if not postgresRoot then
-    Solution.Util.PrintError("Failed to find System Environment Variable '" .. osEnvName .. ". Please ensure Postgres is installed and that " .. osEnvName .. " have been properly configured")
+local postgresRoot = ""
+-- TODO: should probably not hardcode postgres dir for Linux but oh well
+if os.target() == "windows" then
+    local osEnvName = "POSTGRES_ROOT"
+    postgresRoot = os.getenv(osEnvName)
+
+    if not postgresRoot then
+        Solution.Util.PrintError("Failed to find System Environment Variable '" .. osEnvName .. ". Please ensure Postgres is installed and that " .. osEnvName .. " have been properly configured")
+    end
 end
 
 local dep = Solution.Util.CreateDepTable("Libpqxx", {})
@@ -15,7 +19,13 @@ Solution.Util.CreateStaticLib(dep.Name, Solution.Projects.Current.BinDir, dep.De
 
     local baseDir = dep.Path .. "/Libpqxx"
     local sourceDir = baseDir .. "/src"
-    local includeDirs = { baseDir .. "/include", postgresRoot .. "/include" }
+    local pqinclude = iif(os.istarget("windows"), postgresRoot .. "/include", { "/usr/include/postgresql", "/usr/include/postgresql/14/server" })
+
+    if os.target() == "linux" then
+        Solution.Util.SetLibDirs({ "/usr/lib/x86_64-linux-gnu", "/usr/lib/postgresql/14/lib" })
+    end
+
+    local includeDirs = { baseDir .. "/include", pqinclude }
     local files =
     {
         sourceDir .. "/**.cxx",
@@ -24,12 +34,15 @@ Solution.Util.CreateStaticLib(dep.Name, Solution.Projects.Current.BinDir, dep.De
     Solution.Util.SetFiles(files)
     Solution.Util.SetIncludes(includeDirs)
     Solution.Util.SetDefines(defines)
-    Solution.Util.SetLinks({postgresRoot .. "/lib/libpq.lib"})
+
+    local libPath = iif(os.istarget("windows"), postgresRoot .. "/lib/libpq.lib", "pq")
+    Solution.Util.SetLinks(libPath)
 end)
 
 Solution.Util.CreateDep(dep.NameLow, dep.Dependencies, function()
     local baseDir = dep.Path .. "/Libpqxx"
 
     Solution.Util.SetIncludes({baseDir .. "/include"})
-    Solution.Util.SetLinks(dep.Name)
+    local libPath = iif(os.istarget("windows"), postgresRoot .. "/lib/libpq.lib", "pq")
+    Solution.Util.SetLinks({ dep.Name, libPath })
 end)

Source/Generate/Generate.lua

@@ -3,9 +3,12 @@ local currentProject = Solution.Projects.Current
 local dependencies = { }
 Solution.Util.CreateProject("Generate", "StaticLib", currentProject.BinDir, dependencies)
 
-local solutionType = BuildSettings:Get("Solution Type")
-postbuildcommands
-{
-    "cd " .. currentProject.RootDir,
-    "premake5 " .. solutionType
-}
+-- TODO: This needs to be fixed to work properly on Linux. Dirty fix to make runner build properly.
+if os.target() == "windows" then
+    local solutionType = BuildSettings:Get("Solution Type")
+    postbuildcommands
+    {
+        "cd " .. currentProject.RootDir,
+        "premake5 " .. solutionType
+    }
+end

Source/Server-Game/Server-Game.lua

@@ -28,6 +28,8 @@ Solution.Util.CreateConsoleApp(mod.Name, Solution.Projects.Current.BinDir, mod.D
             ['*'] = { '**.*' }
         }
     end)
+
+    dependson {"Luau-Compiler", "Luau-VM"}
 end)
 
 Solution.Util.CreateDep(mod.NameLow, mod.Dependencies, function()