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|
package builder
import (
"fmt"
"io"
"os"
"path/filepath"
"strings"
"github.com/tinygo-org/tinygo/goenv"
)
var libMinGW = Library{
name: "mingw-w64",
makeHeaders: func(target, includeDir string) error {
// copy _mingw.h
srcDir := filepath.Join(goenv.Get("TINYGOROOT"), "lib", "mingw-w64")
outf, err := os.Create(includeDir + "/_mingw.h")
if err != nil {
return err
}
defer outf.Close()
inf, err := os.Open(srcDir + "/mingw-w64-headers/crt/_mingw.h.in")
if err != nil {
return err
}
_, err = io.Copy(outf, inf)
return err
},
sourceDir: func() string { return filepath.Join(goenv.Get("TINYGOROOT"), "lib/mingw-w64") },
cflags: func(target, headerPath string) []string {
mingwDir := filepath.Join(goenv.Get("TINYGOROOT"), "lib/mingw-w64")
return []string{
"-nostdlibinc",
"-isystem", mingwDir + "/mingw-w64-headers/crt",
"-I", mingwDir + "/mingw-w64-headers/defaults/include",
"-I" + headerPath,
}
},
librarySources: func(target string) ([]string, error) {
// These files are needed so that printf and the like are supported.
sources := []string{
"mingw-w64-crt/stdio/ucrt_fprintf.c",
"mingw-w64-crt/stdio/ucrt_fwprintf.c",
"mingw-w64-crt/stdio/ucrt_printf.c",
"mingw-w64-crt/stdio/ucrt_snprintf.c",
"mingw-w64-crt/stdio/ucrt_sprintf.c",
"mingw-w64-crt/stdio/ucrt_vfprintf.c",
"mingw-w64-crt/stdio/ucrt_vprintf.c",
"mingw-w64-crt/stdio/ucrt_vsnprintf.c",
"mingw-w64-crt/stdio/ucrt_vsprintf.c",
}
return sources, nil
},
}
// makeMinGWExtraLibs returns a slice of jobs to import the correct .dll
// libraries. This is done by converting input .def files to .lib files which
// can then be linked as usual.
//
// TODO: cache the result. At the moment, it costs a few hundred milliseconds to
// compile these files.
func makeMinGWExtraLibs(tmpdir, goarch string) []*compileJob {
var jobs []*compileJob
root := goenv.Get("TINYGOROOT")
// Normally all the api-ms-win-crt-*.def files are all compiled to a single
// .lib file. But to simplify things, we're going to leave them as separate
// files.
for _, name := range []string{
"kernel32.def.in",
"api-ms-win-crt-conio-l1-1-0.def",
"api-ms-win-crt-convert-l1-1-0.def.in",
"api-ms-win-crt-environment-l1-1-0.def",
"api-ms-win-crt-filesystem-l1-1-0.def",
"api-ms-win-crt-heap-l1-1-0.def",
"api-ms-win-crt-locale-l1-1-0.def",
"api-ms-win-crt-math-l1-1-0.def.in",
"api-ms-win-crt-multibyte-l1-1-0.def",
"api-ms-win-crt-private-l1-1-0.def.in",
"api-ms-win-crt-process-l1-1-0.def",
"api-ms-win-crt-runtime-l1-1-0.def.in",
"api-ms-win-crt-stdio-l1-1-0.def",
"api-ms-win-crt-string-l1-1-0.def",
"api-ms-win-crt-time-l1-1-0.def",
"api-ms-win-crt-utility-l1-1-0.def",
} {
outpath := filepath.Join(tmpdir, filepath.Base(name)+".lib")
inpath := filepath.Join(root, "lib/mingw-w64/mingw-w64-crt/lib-common/"+name)
job := &compileJob{
description: "create lib file " + inpath,
result: outpath,
run: func(job *compileJob) error {
defpath := inpath
var archDef, emulation string
switch goarch {
case "amd64":
archDef = "-DDEF_X64"
emulation = "i386pep"
case "arm64":
archDef = "-DDEF_ARM64"
emulation = "arm64pe"
default:
return fmt.Errorf("unsupported architecture for mingw-w64: %s", goarch)
}
if strings.HasSuffix(inpath, ".in") {
// .in files need to be preprocessed by a preprocessor (-E)
// first.
defpath = outpath + ".def"
err := runCCompiler("-E", "-x", "c", "-Wp,-w", "-P", archDef, "-DDATA", "-o", defpath, inpath, "-I"+goenv.Get("TINYGOROOT")+"/lib/mingw-w64/mingw-w64-crt/def-include/")
if err != nil {
return err
}
}
return link("ld.lld", "-m", emulation, "-o", outpath, defpath)
},
}
jobs = append(jobs, job)
}
return jobs
}
|
