Skip to content

add CGO_CFLAGS support #5453

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
hectorchu wants to merge 2 commits into
base: dev
Choose a base branch
from
+3 −0
Open

add CGO_CFLAGS support #5453

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d59fad0
add CGO_CFLAGS support
hectorchu Jun 8, 2026
382252a
the environment variable must be split
hectorchu Jun 9, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions goenv/goenv.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,8 @@ func Get(name string) string {
panic("could not find cache dir: " + err.Error())
}
return filepath.Join(dir, "tinygo")
case "CGO_CFLAGS":
return os.Getenv("CGO_CFLAGS")
case "CGO_ENABLED":
// Always enable CGo. It is required by a number of targets, including
// macOS and the rp2040.
Expand Down
1 change: 1 addition & 0 deletions loader/loader.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -508,6 +508,7 @@ func (p *Package) parseFiles() ([]*ast.File, error) {
var initialCFlags []string
initialCFlags = append(initialCFlags, p.program.config.CFlags(true)...)
initialCFlags = append(initialCFlags, "-I"+p.Dir)
initialCFlags = append(initialCFlags, strings.Fields(goenv.Get("CGO_CFLAGS"))...)
generated, headerCode, cflags, ldflags, accessedFiles, errs := cgo.Process(files, p.program.workingDir, p.ImportPath, p.program.fset, initialCFlags, p.program.config.GOOS())
p.CFlags = append(initialCFlags, cflags...)
p.CGoHeaders = headerCode
Expand Down