From 4db73990af0b64b50d0329f52d7982481bba1f97 Mon Sep 17 00:00:00 2001
From: DreamOfIce <dreamofice@outlook.com>
Date: Mon, 18 Sep 2023 00:10:04 +0800
Subject: [PATCH] fix(libvpx): fix wasm build

---
 packages/l/libvpx/port/xmake.lua              | 65 ++++++++++---------
 packages/l/libvpx/port/xmake/scripts/rtcd.lua | 14 ++++
 .../l/libvpx/port/xmake/scripts/utils.lua     | 11 ++--
 3 files changed, 53 insertions(+), 37 deletions(-)

diff --git a/packages/l/libvpx/port/xmake.lua b/packages/l/libvpx/port/xmake.lua
index cfd64398eac..508e250a1cb 100644
--- a/packages/l/libvpx/port/xmake.lua
+++ b/packages/l/libvpx/port/xmake.lua
@@ -5,8 +5,36 @@ includes("check_csnippets.lua")
 add_moduledirs("xmake/scripts")
 add_imports("core.project.project", "lib.detect.find_tool", "rtcd", "utils")
 add_rules("asm", "mode.debug", "mode.release")
+set_languages("gnu89")
 set_config("buildir", "xmake_build")
 
+local arch, fullarch
+if is_arch("x86") then
+    arch = "x86"
+    fullarch = "x86"
+elseif is_arch("x64", "x86_64") then
+    arch = "x86"
+    fullarch = "x86_64"
+elseif is_arch("aarch64.*", "armv8.*") then
+    arch = "arm"
+    fullarch = "aarch64"
+elseif is_arch("arm.*") then
+    arch = "arm"
+    fullarch = "arm"
+elseif is_arch("loongarch.*") then
+    arch = "loongarch"
+    fullarch = "loongarch"
+elseif is_arch("mips.*") then
+    arch = "mips"
+    fullarch = "mips"
+elseif is_arch("ppc.*", "powerpc.*") then
+    arch = "ppc"
+    fullarch = "ppc"
+else
+    arch = "unknown"
+    fullarch = ""
+end
+
 option("vp8", function()
     add_deps("vp8-encoder", "vp8-decoder")
     set_description("VP8 codec support")
@@ -151,6 +179,11 @@ end)
 option("runtime-cpu-detect", function()
     set_description("runtime cpu detection")
     set_default(true)
+    after_check(function(opt)
+        if arch == "unknown" then
+            opt:enable(false)
+        end
+    end)
 end)
 
 option("multi-res-encoding", function()
@@ -179,34 +212,6 @@ option("libyuv", function()
     set_default(false)
 end)
 
--- platform extendtions
-local arch, fullarch
-
-if is_arch("x86") then
-    arch = "x86"
-    fullarch = "x86"
-elseif is_arch("x64", "x86_64") then
-    arch = "x86"
-    fullarch = "x86_64"
-elseif is_arch("aarch64.*", "armv8.*") then
-    arch = "arm"
-    fullarch = "aarch64"
-elseif is_arch("arm.*") then
-    arch = "arm"
-    fullarch = "arm"
-elseif is_arch("loongarch.*") then
-    arch = "loongarch"
-    fullarch = "loongarch"
-elseif is_arch("mips.*") then
-    arch = "mips"
-    fullarch = "mips"
-elseif is_arch("ppc.*", "powerpc.*") then
-    arch = "ppc"
-    fullarch = "ppc"
-else
-    arch = "unknown"
-end
-
 local exts = {
     x86 = {{
         name = "mmx",
@@ -309,10 +314,6 @@ on_load(function(target)
                 target:add("cxflags", "-mfloat-abi=soft")
             end
         end
-
-        if project.option("pic") or vformat("$(kind)") == "shared" then
-            -- target:add("cxflags", "-fPIC")
-        end
     end
 end)
 
diff --git a/packages/l/libvpx/port/xmake/scripts/rtcd.lua b/packages/l/libvpx/port/xmake/scripts/rtcd.lua
index 32bfd10a492..050598aee25 100644
--- a/packages/l/libvpx/port/xmake/scripts/rtcd.lua
+++ b/packages/l/libvpx/port/xmake/scripts/rtcd.lua
@@ -116,6 +116,19 @@ static void setup_rtcd_internal(void)
         suffix = [[
 }
 #endif
+]]
+    },
+    unknown = {
+        prefix = [[
+#include "vpx_config.h"
+
+#ifdef RTCD_C
+static void setup_rtcd_internal(void)
+{
+]],
+        suffix = [[
+}
+#endif
 ]]
     }
 }
@@ -275,6 +288,7 @@ function _write_header(output, arch, all_exts, functions, aliases, decls)
     file:write(setup[arch].prefix)
     file:write(rtcd_content)
     file:write(setup[arch].suffix)
+    file:write("void " .. path.basename(output):gsub("%-", "_") .. "();\n") -- avoid emscripten/emscripten-core#2175
     file:write(common_buttom)
     file:close()
 end
diff --git a/packages/l/libvpx/port/xmake/scripts/utils.lua b/packages/l/libvpx/port/xmake/scripts/utils.lua
index c01cc18a06c..fa2ed937243 100644
--- a/packages/l/libvpx/port/xmake/scripts/utils.lua
+++ b/packages/l/libvpx/port/xmake/scripts/utils.lua
@@ -42,11 +42,12 @@ function add_arch_files(target, prefix, arch, fullarch, all_exts)
         end
     end
     for _, ext in ipairs(exts) do
-        for _, file in ipairs(table.join(os.files(path.join(prefix, arch, "**_" .. ext .. ".*|*.h")),
-            os.files(path.join(prefix, arch, "**_" .. arch .. ".*|*.h")),
-            os.files(path.join(prefix, arch, "**_" .. fullarch .. ".*|*.h")),
-            os.files(path.join(prefix, "generic", "*.*|*.h")))) do
-            target:add("files", file)
+        for _, file in ipairs(table.join(os.files(path.join(prefix, arch, "**_" .. ext .. ".*")),
+            os.files(path.join(prefix, arch, "**_" .. arch .. ".*")),
+            os.files(path.join(prefix, arch, "**_" .. fullarch .. ".*")), os.files(path.join(prefix, "generic", "*")))) do
+            if path.extension(file) ~= ".h" then
+                target:add("files", file)
+            end
         end
     end
 end