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add CGO_CFLAGS support (#5453)

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* add CGO_CFLAGS support

* the environment variable must be split

* use shlex to handle double quotes

* wrap error
This commit is contained in:
Hector Chu
2026-07-05 09:17:26 +01:00
committed by GitHub
parent e79edb58b2
commit 02384c9414
2 changed files with 8 additions and 0 deletions
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loader/loader.go
+6
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@@ -22,6 +22,7 @@ import (
"strings"
"unicode"
"github.com/google/shlex"
"github.com/tinygo-org/tinygo/cgo"
"github.com/tinygo-org/tinygo/compileopts"
"github.com/tinygo-org/tinygo/goenv"
@@ -506,6 +507,11 @@ func (p *Package) parseFiles() ([]*ast.File, error) {
var initialCFlags []string
initialCFlags = append(initialCFlags, p.program.config.CFlags(true)...)
initialCFlags = append(initialCFlags, "-I"+p.Dir)
cgoCFlags, err := shlex.Split(goenv.Get("CGO_CFLAGS"))
if err != nil {
return nil, fmt.Errorf("failed to split CGO_CFLAGS: %w", err)
}
initialCFlags = append(initialCFlags, cgoCFlags...)
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