From 5895b1d179e31a9d41a145159399a7f5cfd5b7bb Mon Sep 17 00:00:00 2001
From: iFarbod <ifarbod@outlook.com>
Date: Sun, 19 Jul 2026 17:27:17 +0330
Subject: refactor emcc detection to support both .exe and .bat on windows

Fixes #7658
---
 xmake/modules/detect/tools/find_emar.lua  | 21 ++++++++++++++++++++-
 xmake/modules/detect/tools/find_emcc.lua  | 19 ++++++++++++++++++-
 xmake/modules/detect/tools/find_emrun.lua | 21 +++++++++++++++++++--
 xmake/modules/detect/tools/find_emxx.lua  | 19 ++++++++++++++++++-
 4 files changed, 75 insertions(+), 5 deletions(-)

(limited to 'xmake/modules')

diff --git a/xmake/modules/detect/tools/find_emar.lua b/xmake/modules/detect/tools/find_emar.lua
index 8a6ec2691..138646243 100644
--- a/xmake/modules/detect/tools/find_emar.lua
+++ b/xmake/modules/detect/tools/find_emar.lua
@@ -83,5 +83,24 @@ function main(opt)
     end
 
     -- find program
-    return find_program(opt.program or (is_host("windows") and "emar.bat" or "emar"), opt)
+    -- emsdk 6.0.0+ ships .exe on windows, older releases ship .bat
+    local program
+    if opt.program then
+        program = find_program(opt.program, opt)
+    else
+        local candidate_names
+        if is_host("windows") then
+            candidate_names = {"emar.exe", "emar.bat"}
+        else
+            candidate_names = {"emar"}
+        end
+        for _, name in ipairs(candidate_names) do
+            program = find_program(name, opt)
+            if program then
+                break
+            end
+        end
+    end
+
+    return program
 end
diff --git a/xmake/modules/detect/tools/find_emcc.lua b/xmake/modules/detect/tools/find_emcc.lua
index e44223d63..dc77b716e 100644
--- a/xmake/modules/detect/tools/find_emcc.lua
+++ b/xmake/modules/detect/tools/find_emcc.lua
@@ -50,7 +50,24 @@ function main(opt)
     end
 
     -- find program
-    local program = find_program(opt.program or (is_host("windows") and "emcc.bat" or "emcc"), opt)
+    -- emsdk 6.0.0+ ships .exe on windows, older releases ship .bat
+    local program
+    if opt.program then
+        program = find_program(opt.program, opt)
+    else
+        local candidate_names
+        if is_host("windows") then
+            candidate_names = {"emcc.exe", "emcc.bat"}
+        else
+            candidate_names = {"emcc"}
+        end
+        for _, name in ipairs(candidate_names) do
+            program = find_program(name, opt)
+            if program then
+                break
+            end
+        end
+    end
 
     -- find program version
     local version = nil
diff --git a/xmake/modules/detect/tools/find_emrun.lua b/xmake/modules/detect/tools/find_emrun.lua
index ac210c4ca..6a96c9d82 100644
--- a/xmake/modules/detect/tools/find_emrun.lua
+++ b/xmake/modules/detect/tools/find_emrun.lua
@@ -51,9 +51,26 @@ function main(opt)
         table.insert(paths, emsdk.emscripten)
         opt.paths = paths
     end
-    
+
     -- find program
-    local program = find_program(opt.program or (is_host("windows") and "emrun.bat" or "emrun"), opt)
+    -- emsdk 6.0.0+ ships .exe on windows, older releases ship .bat
+    local program
+    if opt.program then
+        program = find_program(opt.program, opt)
+    else
+        local candidate_names
+        if is_host("windows") then
+            candidate_names = {"emrun.exe", "emrun.bat"}
+        else
+            candidate_names = {"emrun"}
+        end
+        for _, name in ipairs(candidate_names) do
+            program = find_program(name, opt)
+            if program then
+                break
+            end
+        end
+    end
 
     -- find program version
     local version = nil
diff --git a/xmake/modules/detect/tools/find_emxx.lua b/xmake/modules/detect/tools/find_emxx.lua
index 4f8cc90ed..6ba454d1d 100644
--- a/xmake/modules/detect/tools/find_emxx.lua
+++ b/xmake/modules/detect/tools/find_emxx.lua
@@ -50,7 +50,24 @@ function main(opt)
     end
 
     -- find program
-    local program = find_program(opt.program or (is_host("windows") and "em++.bat" or "em++"), opt)
+    -- emsdk 6.0.0+ ships .exe on windows, older releases ship .bat
+    local program
+    if opt.program then
+        program = find_program(opt.program, opt)
+    else
+        local candidate_names
+        if is_host("windows") then
+            candidate_names = {"em++.exe", "em++.bat"}
+        else
+            candidate_names = {"em++"}
+        end
+        for _, name in ipairs(candidate_names) do
+            program = find_program(name, opt)
+            if program then
+                break
+            end
+        end
+    end
 
     -- find program version
     local version = nil
-- 
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