Premake: Reorder links to speed up building.

- Re-enable LTO on clang.
- Set AR on travis so it builds with LTO.

.travis.yml

@@ -28,9 +28,9 @@ addons:
 
 jobs:
   include:
-    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 LINT=true
+    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 AR_COMPILER=llvm-ar-9 LINT=true
-    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 BUILD=true CONFIG=Debug
+    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 AR_COMPILER=llvm-ar-9 BUILD=true CONFIG=Debug
-    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 BUILD=true CONFIG=Release
+    - env: C_COMPILER=clang-9 CXX_COMPILER=clang++-9 AR_COMPILER=llvm-ar-9 BUILD=true CONFIG=Release
 
 git:
   # We handle submodules ourselves in xenia-build setup.
@@ -40,8 +40,10 @@ before_script:
   - export LIBVULKAN_VERSION=1.1.70
   - export CXX=$CXX_COMPILER
   - export CC=$C_COMPILER
+  - export AR=$AR_COMPILER
   # Dump useful info.
   - $CXX --version
+  - $AR_COMPILER --version
   - python3 --version
   - clang-format-9 --version
   - clang-format-9 -style=file -dump-config

premake5.lua

@@ -91,7 +91,6 @@ filter("platforms:Linux")
   buildoptions({
     -- "-mlzcnt",  -- (don't) Assume lzcnt is supported.
     ({os.outputof("pkg-config --cflags gtk+-x11-3.0")})[1],
-    "-fno-lto", -- Premake doesn't support LTO on clang
   })
   links({
     "stdc++fs",

src/xenia/app/premake5.lua

@@ -8,19 +8,6 @@ project("xenia-app")
   targetname("xenia")
   language("C++")
   links({
-    "aes_128",
-    "capstone",
-    "fmt",
-    "dxbc",
-    "discord-rpc",
-    "glslang-spirv",
-    "imgui",
-    "libavcodec",
-    "libavutil",
-    "mspack",
-    "snappy",
-    "spirv-tools",
-    "volk",
     "xenia-app-discord",
     "xenia-apu",
     "xenia-apu-nop",
@@ -42,6 +29,21 @@ project("xenia-app")
     "xenia-ui-spirv",
     "xenia-ui-vulkan",
     "xenia-vfs",
+  })
+  links({
+    "aes_128",
+    "capstone",
+    "fmt",
+    "dxbc",
+    "discord-rpc",
+    "glslang-spirv",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
+    "spirv-tools",
+    "volk",
     "xxhash",
   })
   defines({

src/xenia/gpu/d3d12/premake5.lua

@@ -25,15 +25,6 @@ project("xenia-gpu-d3d12-trace-viewer")
   kind("WindowedApp")
   language("C++")
   links({
-    "aes_128",
-    "capstone",
-    "dxbc",
-    "fmt",
-    "imgui",
-    "libavcodec",
-    "libavutil",
-    "mspack",
-    "snappy",
     "xenia-apu",
     "xenia-apu-nop",
     "xenia-base",
@@ -48,6 +39,17 @@ project("xenia-gpu-d3d12-trace-viewer")
     "xenia-ui",
     "xenia-ui-d3d12",
     "xenia-vfs",
+  })
+  links({
+    "aes_128",
+    "capstone",
+    "dxbc",
+    "fmt",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
     "xxhash",
   })
   files({
@@ -70,15 +72,6 @@ project("xenia-gpu-d3d12-trace-dump")
   kind("ConsoleApp")
   language("C++")
   links({
-    "aes_128",
-    "capstone",
-    "dxbc",
-    "fmt",
-    "imgui",
-    "libavcodec",
-    "libavutil",
-    "mspack",
-    "snappy",
     "xenia-apu",
     "xenia-apu-nop",
     "xenia-base",
@@ -93,6 +86,17 @@ project("xenia-gpu-d3d12-trace-dump")
     "xenia-ui",
     "xenia-ui-d3d12",
     "xenia-vfs",
+  })
+  links({
+    "aes_128",
+    "capstone",
+    "dxbc",
+    "fmt",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
     "xxhash",
   })
   files({
@@ -107,4 +111,4 @@ project("xenia-gpu-d3d12-trace-dump")
       "2>&1",
       "1>scratch/stdout-trace-dump.txt",
     })
-  end
+  end

src/xenia/gpu/vulkan/premake5.lua

@@ -30,17 +30,6 @@ project("xenia-gpu-vulkan-trace-viewer")
   kind("WindowedApp")
   language("C++")
   links({
-    "aes_128",
-    "capstone",
-    "fmt",
-    "glslang-spirv",
-    "imgui",
-    "libavcodec",
-    "libavutil",
-    "mspack",
-    "snappy",
-    "spirv-tools",
-    "volk",
     "xenia-apu",
     "xenia-apu-nop",
     "xenia-base",
@@ -56,6 +45,19 @@ project("xenia-gpu-vulkan-trace-viewer")
     "xenia-ui-spirv",
     "xenia-ui-vulkan",
     "xenia-vfs",
+  })
+  links({
+    "aes_128",
+    "capstone",
+    "fmt",
+    "glslang-spirv",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
+    "spirv-tools",
+    "volk",
     "xxhash",
   })
   defines({
@@ -97,17 +99,6 @@ project("xenia-gpu-vulkan-trace-dump")
   kind("ConsoleApp")
   language("C++")
   links({
-    "aes_128",
-    "capstone",
-    "fmt",
-    "glslang-spirv",
-    "imgui",
-    "libavcodec",
-    "libavutil",
-    "mspack",
-    "snappy",
-    "spirv-tools",
-    "volk",
     "xenia-apu",
     "xenia-apu-nop",
     "xenia-base",
@@ -123,6 +114,19 @@ project("xenia-gpu-vulkan-trace-dump")
     "xenia-ui-spirv",
     "xenia-ui-vulkan",
     "xenia-vfs",
+  })
+  links({
+    "aes_128",
+    "capstone",
+    "fmt",
+    "glslang-spirv",
+    "imgui",
+    "libavcodec",
+    "libavutil",
+    "mspack",
+    "snappy",
+    "spirv-tools",
+    "volk",
     "xxhash",
   })
   defines({

src/xenia/hid/premake5.lua

@@ -41,11 +41,11 @@ project("xenia-hid-demo")
 
   filter("platforms:Linux")
     links({
+      "SDL2",
+      "vulkan",
       "X11",
       "xcb",
       "X11-xcb",
-      "vulkan",
-      "SDL2",
     })
 
   filter("platforms:Windows")