linux/s390x: generate initial version

Makefile

@@ -41,6 +41,7 @@ build_all_targets:
 	GOOS=linux GOARCH=amd64 go build -v ./...
 	GOOS=linux GOARCH=arm go build -v ./...
 	GOOS=linux GOARCH=arm64 go build -v ./...
+	GOOS=linux GOARCH=s390x go build -v ./...
 	GOOS=windows GOARCH=386 go build -v ./...
 	GOOS=windows GOARCH=amd64 go build -v ./...
 	echo done
@@ -69,6 +70,10 @@ linux_arm64:
 	CCGO_CPP=aarch64-linux-gnu-cpp-8 TARGET_GOARCH=arm64 TARGET_GOOS=linux go generate 2>&1 | tee /tmp/log-generate-sqlite-linux-arm64
 	GOOS=linux GOARCH=arm64 go build -v ./...
 
+linux_s390x:
+	CCGO_CPP=s390x-linux-gnu-cpp TARGET_GOARCH=s390x TARGET_GOOS=linux go generate 2>&1 | tee /tmp/log-generate-sqlite-linux-s390x
+	GOOS=linux GOARCH=s390x go build -v ./...
+
 windows_amd64:
 	CCGO_CPP=x86_64-w64-mingw32-cpp TARGET_GOOS=windows TARGET_GOARCH=amd64 go generate 2>&1 | tee /tmp/log-generate-sqlite-windows-amd64
 	GOOS=windows GOARCH=amd64 go build -v ./...
@@ -77,7 +82,7 @@ windows_386:
 	CCGO_CPP=i686-w64-mingw32-cpp TARGET_GOOS=windows TARGET_GOARCH=386 go generate 2>&1 | tee /tmp/log-generate-sqlite-windows-386
 	GOOS=windows GOARCH=386 go build -v ./...
 
-all_targets: linux_amd64 linux_386 linux_arm linux_arm64 windows_amd64 windows_386
+all_targets: linux_amd64 linux_386 linux_arm linux_arm64 linux_s390x windows_amd64 windows_386
 	gofmt -l -s -w .
 	echo done
 
@@ -110,6 +115,9 @@ test_linux_arm:
 test_linux_arm64:
 	GOOS=linux GOARCH=arm64 make test
 
+test_linux_s390x:
+	GOOS=linux GOARCH=s390x make test
+
 extraquick:
 	go test -timeout 24h -v -run Tcl -suite extraquick -maxerror 1 2>&1 | tee log-extraquick
 	date

internal/libc2/capi_linux_s390x.go

@@ -0,0 +1,21 @@
+// Copyright 2020 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":            {},
+}

lib/sqlite_darwin_arm64.go

@@ -117984,7 +117984,6 @@ func Xsqlite3GenerateConstraintChecks(tls *libc.TLS, pParse uintptr, pTab uintpt
 			goto __4
 			goto __6
 		__6:
-
 		}
 	}
 
@@ -173252,7 +173251,6 @@ __15:
 	goto __14
 	goto __16
 __16:
-
 }
 
 // This is a helper function for rbuObjIterCacheTableInfo(). It populates

libtest/sqlite_darwin_arm64.go

@@ -119214,7 +119214,6 @@ func Xsqlite3GenerateConstraintChecks(tls *libc.TLS, pParse uintptr, pTab uintpt
 			goto __4
 			goto __6
 		__6:
-
 		}
 	}
 
@@ -174941,7 +174940,6 @@ __15:
 	goto __14
 	goto __16
 __16:
-
 }
 
 // This is a helper function for rbuObjIterCacheTableInfo(). It populates