The way to make the Go program smaller

Source: Internet
Author: User
Tags stack trace
This is a created article in which the information may have evolved or changed.

The way to make the Go program smaller is:
Go Build-ldflags "-s-w" (Go install similar)

-s removes the symbol table (and then panic the stack trace without any file name/line number information,
This is equivalent to the effect of the strip of the ordinary C + + program),
-W Remove dwarf debugging information, the program can not be debugged with GDB.


For example, Server.go is a simple HTTP server that uses a net/http package.
$ go Build server.go
$ ls-l Server
-rwxr-xr-x 1 minux Staff 4507004 2012-10-25 14:16 Server
$ go build-ldflags "-s-w" Server.go
$ ls-l Server
-rwxr-xr-x 1 minux Staff 2839932 2012-10-25 14:16 Server


-S and-W can also be used separately, generally if you do not intend to debug with GDB,-W basically no loss.
The loss of-S is a bit big.

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