conditionally compile sqlite

Makefile

@@ -8,4 +8,4 @@ install:
 	cd weed; go install
 
 full_install:
-	cd weed; go install -tags "elastic gocdk"
+	cd weed; go install -tags "elastic gocdk sqlite"

weed/filer/sqlite/doc.go

@@ -0,0 +1,9 @@
+/*
+
+Package sqlite is for sqlite filer store.
+
+The referenced "modernc.org/sqlite" library is too big when compiled.
+So this is only compiled in "make full_install".
+
+*/
+package sqlite

weed/filer/sqlite/sqlite_store.go

@@ -1,5 +1,6 @@
-//go:build linux || darwin || windows
+//go:build (linux || darwin || windows) && sqlite
 // +build linux darwin windows
+// +build sqlite
 
 // limited GOOS due to modernc.org/libc/unistd
 

weed/filer/sqlite/sqlite_store_unsupported.go

@@ -1,5 +1,5 @@
-//go:build !linux && !darwin && !windows && !s390 && !ppc64le && !mips64
-// +build !linux,!darwin,!windows,!s390,!ppc64le,!mips64
+//go:build !linux && !darwin && !windows && !s390 && !ppc64le && !mips64 && !sqlite
+// +build !linux,!darwin,!windows,!s390,!ppc64le,!mips64,!sqlite
 
 // limited GOOS due to modernc.org/libc/unistd