sys: commit empty source files

Commit empty files into generated packages,
so that the tree is buildable even w/o generated files
and Go tools continue to work.

9 files changed, 48 insertions, 9 deletions

diff --git a/sys/akaros/gen/empty.go b/sys/akaros/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/akaros/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/freebsd/gen/empty.go b/sys/freebsd/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/freebsd/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/fuchsia/gen/empty.go b/sys/fuchsia/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/fuchsia/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/linux/gen/empty.go b/sys/linux/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/linux/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/netbsd/gen/empty.go b/sys/netbsd/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/netbsd/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/openbsd/gen/empty.go b/sys/openbsd/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/openbsd/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/syz-sysgen/sysgen.go b/sys/syz-sysgen/sysgen.go
index a17186731..93452160a 100644
--- a/sys/syz-sysgen/sysgen.go
+++ b/sys/syz-sysgen/sysgen.go
@@ -148,7 +148,6 @@ func main() {
 				job.OK = true
 			}()
 		}
-		writeEmpty(OS)
 		wg.Wait()
 
 		var syscallArchs []ArchData
@@ -232,14 +231,6 @@ func generate(target *targets.Target, prg *compiler.Prog, consts map[string]uint
 	fmt.Fprintf(out, "\n\n")
 }
 
-func writeEmpty(OS string) {
-	const data = `// AUTOGENERATED FILE
-// This file is needed if OS is completely excluded by build tags.
-package gen
-`
-	writeSource(filepath.Join(*outDir, "sys", OS, "gen", "empty.go"), []byte(data))
-}
-
 func generateExecutorSyscalls(target *targets.Target, syscalls []*prog.Syscall, rev string) ArchData {
 	data := ArchData{
 		Revision:   rev,
diff --git a/sys/test/gen/empty.go b/sys/test/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/test/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.
diff --git a/sys/windows/gen/empty.go b/sys/windows/gen/empty.go
new file mode 100644
index 000000000..7884be456
--- /dev/null
+++ b/sys/windows/gen/empty.go
@@ -0,0 +1,6 @@
+// Copyright 2021 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package gen
+
+// Empty file to unbreak build while descriptions are not generated.