freebsd/amd64: initial port, GO111MODULE=off only, updates libc#10.

Makefile

@@ -37,6 +37,7 @@ all: editor
 build_all_targets:
 	GOOS=darwin GOARCH=amd64 go build -v ./...
 	GOOS=darwin GOARCH=arm64 go build -v ./...
+	GOOS=freebsd GOARCH=amd64 go build -v ./...
 	GOOS=linux GOARCH=386 go build -v ./...
 	GOOS=linux GOARCH=amd64 go build -v ./...
 	GOOS=linux GOARCH=arm go build -v ./...
@@ -54,6 +55,10 @@ darwin_arm64:
 	TARGET_GOOS=darwin TARGET_GOARCH=arm64 go generate 2>&1 | tee /tmp/log-generate-sqlite-darwin-arm64
 	GOOS=darwin GOARCH=arm64 go build -v ./...
 
+freebsd_amd64:
+	TARGET_GOOS=freebsd TARGET_GOARCH=amd64 go generate 2>&1 | tee /tmp/log-generate-sqlite-freebsd-amd64
+	GOOS=freebsd GOARCH=amd64 go build -v ./...
+
 linux_amd64:
 	TARGET_GOOS=linux TARGET_GOARCH=amd64 go generate 2>&1 | tee /tmp/log-generate-sqlite-linux-amd64
 	GOOS=linux GOARCH=amd64 go build -v ./...

all_test.go

@@ -625,6 +625,7 @@ outer:
 			continue
 		}
 
+		fmt.Printf("exec: %s db --trace 2 %s\n", filepath.FromSlash(bin), script)
 		out, err := exec.Command(filepath.FromSlash(bin), "db", "--trace", "2", script).CombinedOutput()
 		if err != nil {
 			t.Fatalf("%s\n%v", out, err)

generator.go

@@ -399,7 +399,7 @@ func main() {
 		configTest = append(configTest, "-DSQLITE_MUTEX_NOOP")
 	}
 	switch goos {
-	case "linux":
+	case "linux", "freebsd":
 		configProduction = append(configProduction, "-DSQLITE_OS_UNIX=1")
 	case "darwin":
 		configProduction = append(configProduction,
@@ -447,7 +447,7 @@ func configure(goos, goarch string) {
 	cmd.Run()
 	var args []string
 	switch goos {
-	case "linux":
+	case "linux", "freebsd":
 		// nop
 	case "darwin":
 		args = append(args, "--with-tcl=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/Tcl.framework")

internal/libc2/capi_freebsd_amd64.go

@@ -0,0 +1,21 @@
+// Copyright 2021 The Sqlite Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package libc2 // import "modernc.org/sqlite/internal/libc2"
+
+var CAPI = map[string]struct{}{
+	"pthread_cond_broadcast": {},
+	"pthread_cond_destroy":   {},
+	"pthread_cond_init":      {},
+	"pthread_cond_signal":    {},
+	"pthread_cond_wait":      {},
+	"pthread_create":         {},
+	"pthread_detach":         {},
+	"pthread_mutex_destroy":  {},
+	"pthread_mutex_init":     {},
+	"pthread_mutex_lock":     {},
+	"pthread_mutex_trylock":  {},
+	"pthread_mutex_unlock":   {},
+	"sched_yield":            {},
+}

internal/libc2/libc2_unix.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build linux || darwin
+//go:build linux || darwin || freebsd
-// +build linux darwin
+// +build linux darwin freebsd
 
 package libc2 // import "modernc.org/sqlite/internal/libc2"