I noticed there is "-c" option in swiftc, what does this option do?
swiftc ... -c ....
Is there an official document about this? I couldn't find it from man, --help or online :(
The -c is -emit-object:
$ swiftc --help
OVERVIEW: Swift compiler
USAGE: swiftc [options]
MODES:
-dump-ast Parse and type-check input file(s) and dump AST(s)
-dump-parse Parse input file(s) and dump AST(s)
-dump-scope-maps
Parse and type-check input file(s) and dump the scope map(s)
-dump-type-info Output YAML dump of fixed-size types from all imported modules
-dump-type-refinement-contexts
Type-check input file(s) and dump type refinement contexts(s)
-emit-assembly Emit assembly file(s) (-S)
-emit-bc Emit LLVM BC file(s)
-emit-executable Emit a linked executable
-emit-imported-modules Emit a list of the imported modules
-emit-ir Emit LLVM IR file(s)
-emit-library Emit a linked library
-emit-object Emit object file(s) (-c)
-emit-sibgen Emit serialized AST + raw SIL file(s)
-emit-sib Emit serialized AST + canonical SIL file(s)
-emit-silgen Emit raw SIL file(s)
-emit-sil Emit canonical SIL file(s)
-index-file Produce index data for a source file
-parse Parse input file(s)
-print-ast Parse and type-check input file(s) and pretty print AST(s)
-resolve-imports Parse and resolve imports in input file(s)
-typecheck Parse and type-check input file(s)