From 9a79078441059e9a15f40cd50c217af84f65c268 Mon Sep 17 00:00:00 2001
From: Li Jie <cpunion@gmail.com>
Date: Fri, 16 May 2025 17:12:56 +0800
Subject: [PATCH] clang.Cmd.CheckLinkArgs compiles to temp file and remove

---
 xtool/clang/clang.go | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/xtool/clang/clang.go b/xtool/clang/clang.go
index d9dfd8cc..9ac3974d 100644
--- a/xtool/clang/clang.go
+++ b/xtool/clang/clang.go
@@ -105,16 +105,33 @@ func (p *Cmd) Exec(args ...string) error {
 	return cmd.Run()
 }
 
-func (p *Cmd) CheckLinkArgs(cmdArgs []string) error {
-	nul := "/dev/null"
-	if runtime.GOOS == "windows" {
-		nul = "NUL"
+func (p *Cmd) CheckLinkArgs(cmdArgs []string, wasm bool) error {
+	// Create a temporary file with appropriate extension
+	extension := ""
+	if wasm {
+		extension = ".wasm"
+	} else if runtime.GOOS == "windows" {
+		extension = ".exe"
 	}
+
+	tmpFile, err := os.CreateTemp("", "llgo_check*"+extension)
+	if err != nil {
+		return fmt.Errorf("failed to create temporary file: %w", err)
+	}
+	tmpFile.Close()
+	tmpPath := tmpFile.Name()
+
+	// Make sure to delete the temporary file when done
+	defer os.Remove(tmpPath)
+
+	// Set up compilation arguments
 	args := append([]string{}, cmdArgs...)
-	args = append(args, []string{"-x", "c", "-o", nul, "-"}...)
+	args = append(args, []string{"-x", "c", "-o", tmpPath, "-"}...)
 	src := "int main() {return 0;}"
 	srcIn := strings.NewReader(src)
 	p.Stdin = srcIn
+
+	// Execute the command
 	return p.execWithFlags([]string{"LDFLAGS", "CCFLAGS"}, args...)
 }