From 878b395e20d89d42d8e1512a442d8294ac2313ff Mon Sep 17 00:00:00 2001
From: visualfc <visualfc@gmail.com>
Date: Fri, 7 Jun 2024 20:33:31 +0800
Subject: [PATCH 1/2] build: check runtime link file

---
 c/c.go                  |  9 ---------
 c/c_default.go          | 15 +++++++++++++++
 c/c_linux.go            | 15 +++++++++++++++
 internal/build/build.go |  4 +++-
 4 files changed, 33 insertions(+), 10 deletions(-)
 create mode 100644 c/c_default.go
 create mode 100644 c/c_linux.go

diff --git a/c/c.go b/c/c.go
index c30ed0c9..cfa9a77c 100644
--- a/c/c.go
+++ b/c/c.go
@@ -97,15 +97,6 @@ func Qsort(base Pointer, count, elem uintptr, compar func(a, b Pointer) Int)
 
 // -----------------------------------------------------------------------------
 
-//go:linkname Stdin stdin
-var Stdin FilePtr
-
-//go:linkname Stdout stdout
-var Stdout FilePtr
-
-//go:linkname Stderr stderr
-var Stderr FilePtr
-
 //go:linkname Printf C.printf
 func Printf(format *Char, __llgo_va_list ...any) Int
 
diff --git a/c/c_default.go b/c/c_default.go
new file mode 100644
index 00000000..cc98cc44
--- /dev/null
+++ b/c/c_default.go
@@ -0,0 +1,15 @@
+//go:build !linux
+// +build !linux
+
+package c
+
+import _ "unsafe"
+
+//go:linkname Stdin __stdinp
+var Stdin FilePtr
+
+//go:linkname Stdout __stdoutp
+var Stdout FilePtr
+
+//go:linkname Stderr __stderrp
+var Stderr FilePtr
diff --git a/c/c_linux.go b/c/c_linux.go
new file mode 100644
index 00000000..a6a21c39
--- /dev/null
+++ b/c/c_linux.go
@@ -0,0 +1,15 @@
+//go:build linux
+// +build linux
+
+package c
+
+import _ "unsafe"
+
+//go:linkname Stdin stdin
+var Stdin FilePtr
+
+//go:linkname Stdout stdout
+var Stdout FilePtr
+
+//go:linkname Stderr stderr
+var Stderr FilePtr
diff --git a/internal/build/build.go b/internal/build/build.go
index d8718a05..afd731cc 100644
--- a/internal/build/build.go
+++ b/internal/build/build.go
@@ -294,7 +294,9 @@ func linkMainPkg(pkg *packages.Package, pkgs []*aPackage, runtimeFiles []string,
 
 	dirty := false
 	if needRuntime && runtimeFiles != nil {
-		args = append(args, runtimeFiles...)
+		for _, file := range runtimeFiles {
+			args = appendLinkFiles(args, file)
+		}
 	} else {
 		dirty = true
 		fn := aPkg.LPkg.FuncOf(cl.RuntimeInit)

From ae776220260f6d76d7dd447eb17c358a57124f10 Mon Sep 17 00:00:00 2001
From: visualfc <visualfc@gmail.com>
Date: Fri, 7 Jun 2024 21:02:01 +0800
Subject: [PATCH 2/2] build: build runtime check skip

---
 internal/build/build.go | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/internal/build/build.go b/internal/build/build.go
index afd731cc..a7e910d7 100644
--- a/internal/build/build.go
+++ b/internal/build/build.go
@@ -145,11 +145,15 @@ func Do(args []string, conf *Config) {
 		return rt[1].Types
 	})
 
-	pkgs := buildAllPkgs(prog, initial, mode, verbose)
+	pkgs := buildAllPkgs(prog, initial, nil, mode, verbose)
 
 	var runtimeFiles []string
 	if needRt {
-		dpkg := buildAllPkgs(prog, rt[:1], mode, verbose)
+		skip := make(map[string]bool)
+		for _, v := range pkgs {
+			skip[v.PkgPath] = true
+		}
+		dpkg := buildAllPkgs(prog, rt[:1], skip, mode, verbose)
 		for _, pkg := range dpkg {
 			if !strings.HasSuffix(pkg.ExportFile, ".ll") {
 				continue
@@ -188,7 +192,7 @@ func isNeedRuntimeOrPyInit(pkg *packages.Package) (needRuntime, needPyInit bool)
 	return
 }
 
-func buildAllPkgs(prog llssa.Program, initial []*packages.Package, mode Mode, verbose bool) (pkgs []*aPackage) {
+func buildAllPkgs(prog llssa.Program, initial []*packages.Package, skip map[string]bool, mode Mode, verbose bool) (pkgs []*aPackage) {
 	// Create SSA-form program representation.
 	ssaProg, pkgs, errPkgs := allPkgs(initial, ssa.SanityCheckFunctions)
 	ssaProg.Build()
@@ -200,6 +204,10 @@ func buildAllPkgs(prog llssa.Program, initial []*packages.Package, mode Mode, ve
 	}
 	for _, aPkg := range pkgs {
 		pkg := aPkg.Package
+		if skip[pkg.PkgPath] {
+			pkg.ExportFile = ""
+			continue
+		}
 		switch kind, param := cl.PkgKindOf(pkg.Types); kind {
 		case cl.PkgDeclOnly:
 			// skip packages that only contain declarations