I’m using library as
.a file and which need to be whole imported during linked process.
Unfortunately the flag
-Wl,-all_load doesn’t work on MacOS and the flag
-Wl,--whole-archive doesn’t work on Linux:
#cgo darwin LDFLAGS: -L.. -Wl,-all_load -lmy_lib
go build _/Users/thierryfournier/git/my-lib/my_lib: invalid flag in #cgo LDFLAGS: -Wl,-all_load
nor the whole archive on Linux:
#cgo LDFLAGS: -L.. -Wl,--whole-archive -lmy_lib
go build _/home/thierry/my_lib/my_lib: invalid flag in #cgo LDFLAGS: -Wl,--whole-archive
So, i don’t found any way to embed the whole library.
- I don’t find a way to understand how the linker is called
- I don’t find documentation about supported flag.
If anyone has a solution or a clue, it will be welcome
What does “doesn’t work” mean? Are you getting an error?
Yes, the error is in the post:
cgo does not appear to recognize suboption commas.
Post your question on golang-nuts.
Using Ian’s suggestion,
Add these flags to the CGO_LDFLAGS_ALLOW environment variable.
Using cgo with the go command
For security reasons, only a limited set of flags are allowed, notably -D, -U, -I, and -l. To allow additional flags, set CGO_CFLAGS_ALLOW to a regular expression matching the new flags. To disallow flags that would otherwise be allowed, set CGO_CFLAGS_DISALLOW to a regular expression matching arguments that must be disallowed. In both cases the regular expression must match a full argument: to allow -mfoo=bar, use CGO_CFLAGS_ALLOW=’-mfoo.*’, not just CGO_CFLAGS_ALLOW=’-mfoo’. Similarly named variables control the allowed CPPFLAGS, CXXFLAGS, FFLAGS, and LDFLAGS.
#cgo linux LDFLAGS: -L.. -Wl,--whole-archive -lmy_lib -Wl,--no-whole-archive
CGO_LDFLAGS_ALLOW='-Wl,--(?:no-)?whole-archive' go build
It is the right solution !
I add an ugly CGO_LDFLAGS_ALLOW=’*’ and it works
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