diff options
Diffstat (limited to 'compileopts/config.go')
| -rw-r--r-- | compileopts/config.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/compileopts/config.go b/compileopts/config.go index 9664d2770..bdbdd0d20 100644 --- a/compileopts/config.go +++ b/compileopts/config.go @@ -198,6 +198,16 @@ func (c *Config) RP2040BootPatch() bool { return false } +// MuslArchitecture returns the architecture name as used in musl libc. It is +// usually the same as the first part of the LLVM triple, but not always. +func MuslArchitecture(triple string) string { + arch := strings.Split(triple, "-")[0] + if strings.HasPrefix(arch, "arm") || strings.HasPrefix(arch, "thumb") { + arch = "arm" + } + return arch +} + // LibcPath returns the path to the libc directory. The libc path will be either // a precompiled libc shipped with a TinyGo build, or a libc path in the cache // directory (which might not yet be built). @@ -238,6 +248,15 @@ func (c *Config) CFlags() []string { "-Xclang", "-internal-isystem", "-Xclang", filepath.Join(picolibcDir, "include"), "-Xclang", "-internal-isystem", "-Xclang", filepath.Join(picolibcDir, "tinystdio"), ) + case "musl": + root := goenv.Get("TINYGOROOT") + path, _ := c.LibcPath("musl") + arch := MuslArchitecture(c.Triple()) + cflags = append(cflags, + "--sysroot="+path, + "-Xclang", "-internal-isystem", "-Xclang", filepath.Join(root, "lib", "musl", "arch", arch), + "-Xclang", "-internal-isystem", "-Xclang", filepath.Join(root, "lib", "musl", "include"), + ) case "wasi-libc": root := goenv.Get("TINYGOROOT") cflags = append(cflags, "--sysroot="+root+"/lib/wasi-libc/sysroot") |