feat: add libc
This commit is contained in:
Haolan
185
internal/crosscompile/libc.go
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185
internal/crosscompile/libc.go
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@@ -0,0 +1,185 @@
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package crosscompile
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// CompileLibcConfig represents libc compilation configuration
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type compileLibcConfig struct {
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Url string
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Name string // Libc name (e.g., "picolibc", "musl", "glibc")
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Files []string // List of source files to compile
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CFlags []string // C compiler flags specific to this libc
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LDFlags []string // Linker flags
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ArchiveSrcDir string
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}
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// GetCompileLibcConfigByName retrieves libc compilation configuration by name
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// Returns compilation file lists and corresponding cflags
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func getCompileLibcConfigByName(baseDir, libcName string) (*compileLibcConfig, error) {
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if libcName == "" {
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return nil, fmt.Errorf("libc name cannot be empty")
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}
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libcDir := filepath.Join(baseDir, libcName)
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switch libcName {
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case "picolibc":
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return getPicolibcConfig(libcDir), nil
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default:
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return nil, fmt.Errorf("unsupported libc: %s", libcName)
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}
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}
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// getPicolibcConfig returns configuration for picolibc
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func getPicolibcConfig(baseDir string) *compileLibcConfig {
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libcIncludeDir := filepath.Join(baseDir, "libc", "include")
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libmIncludeDir := filepath.Join(baseDir, "libm", "common")
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localeIncludeDir := filepath.Join(baseDir, "libc", "locale")
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os.MkdirAll(baseDir, 0700)
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headerFile, _ := os.Create(filepath.Join(baseDir, "picolibc.h"))
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headerFile.Close()
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return &compileLibcConfig{
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Url: "https://github.com/picolibc/picolibc/releases/download/1.8.10/picolibc-1.8.10.tar.xz",
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Name: "picolibc",
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Files: []string{
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filepath.Join(baseDir, "libc", "string", "bcmp.c"),
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filepath.Join(baseDir, "libc", "string", "bcopy.c"),
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filepath.Join(baseDir, "libc", "string", "bzero.c"),
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filepath.Join(baseDir, "libc", "string", "explicit_bzero.c"),
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filepath.Join(baseDir, "libc", "string", "ffsl.c"),
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filepath.Join(baseDir, "libc", "string", "ffsll.c"),
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filepath.Join(baseDir, "libc", "string", "fls.c"),
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filepath.Join(baseDir, "libc", "string", "flsl.c"),
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filepath.Join(baseDir, "libc", "string", "flsll.c"),
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filepath.Join(baseDir, "libc", "string", "gnu_basename.c"),
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filepath.Join(baseDir, "libc", "string", "index.c"),
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filepath.Join(baseDir, "libc", "string", "memccpy.c"),
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filepath.Join(baseDir, "libc", "string", "memchr.c"),
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filepath.Join(baseDir, "libc", "string", "memcmp.c"),
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filepath.Join(baseDir, "libc", "string", "memcpy.c"),
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filepath.Join(baseDir, "libc", "string", "memmem.c"),
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filepath.Join(baseDir, "libc", "string", "memmove.c"),
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filepath.Join(baseDir, "libc", "string", "mempcpy.c"),
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filepath.Join(baseDir, "libc", "string", "memrchr.c"),
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filepath.Join(baseDir, "libc", "string", "memset.c"),
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filepath.Join(baseDir, "libc", "string", "rawmemchr.c"),
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filepath.Join(baseDir, "libc", "string", "rindex.c"),
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filepath.Join(baseDir, "libc", "string", "stpcpy.c"),
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filepath.Join(baseDir, "libc", "string", "stpncpy.c"),
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filepath.Join(baseDir, "libc", "string", "strcasecmp.c"),
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filepath.Join(baseDir, "libc", "string", "strcasecmp_l.c"),
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filepath.Join(baseDir, "libc", "string", "strcasestr.c"),
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filepath.Join(baseDir, "libc", "string", "strcat.c"),
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filepath.Join(baseDir, "libc", "string", "strchr.c"),
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filepath.Join(baseDir, "libc", "string", "strchrnul.c"),
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filepath.Join(baseDir, "libc", "string", "strcmp.c"),
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filepath.Join(baseDir, "libc", "string", "strcoll.c"),
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filepath.Join(baseDir, "libc", "string", "strcoll_l.c"),
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filepath.Join(baseDir, "libc", "string", "strcpy.c"),
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filepath.Join(baseDir, "libc", "string", "strcspn.c"),
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filepath.Join(baseDir, "libc", "string", "strerror_r.c"),
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filepath.Join(baseDir, "libc", "string", "strlcat.c"),
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filepath.Join(baseDir, "libc", "string", "strlcpy.c"),
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filepath.Join(baseDir, "libc", "string", "strlen.c"),
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filepath.Join(baseDir, "libc", "string", "strlwr.c"),
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filepath.Join(baseDir, "libc", "string", "strncasecmp.c"),
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filepath.Join(baseDir, "libc", "string", "strncasecmp_l.c"),
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filepath.Join(baseDir, "libc", "string", "strncat.c"),
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filepath.Join(baseDir, "libc", "string", "strncmp.c"),
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filepath.Join(baseDir, "libc", "string", "strncpy.c"),
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filepath.Join(baseDir, "libc", "string", "strndup.c"),
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filepath.Join(baseDir, "libc", "string", "strnlen.c"),
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filepath.Join(baseDir, "libc", "string", "strnstr.c"),
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filepath.Join(baseDir, "libc", "string", "strpbrk.c"),
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filepath.Join(baseDir, "libc", "string", "strrchr.c"),
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filepath.Join(baseDir, "libc", "string", "strsep.c"),
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filepath.Join(baseDir, "libc", "string", "strsignal.c"),
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filepath.Join(baseDir, "libc", "string", "strspn.c"),
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filepath.Join(baseDir, "libc", "string", "strstr.c"),
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filepath.Join(baseDir, "libc", "string", "strtok.c"),
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filepath.Join(baseDir, "libc", "string", "strtok_r.c"),
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filepath.Join(baseDir, "libc", "string", "strupr.c"),
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filepath.Join(baseDir, "libc", "string", "strverscmp.c"),
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filepath.Join(baseDir, "libc", "string", "strxfrm.c"),
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filepath.Join(baseDir, "libc", "string", "strxfrm_l.c"),
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filepath.Join(baseDir, "libc", "string", "swab.c"),
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filepath.Join(baseDir, "libc", "string", "timingsafe_bcmp.c"),
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filepath.Join(baseDir, "libc", "string", "timingsafe_memcmp.c"),
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filepath.Join(baseDir, "libc", "string", "strerror.c"),
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filepath.Join(baseDir, "libc", "string", "wcpcpy.c"),
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filepath.Join(baseDir, "libc", "string", "wcpncpy.c"),
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filepath.Join(baseDir, "libc", "string", "wcscasecmp.c"),
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filepath.Join(baseDir, "libc", "string", "wcscasecmp_l.c"),
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filepath.Join(baseDir, "libc", "string", "wcscat.c"),
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filepath.Join(baseDir, "libc", "string", "wcschr.c"),
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filepath.Join(baseDir, "libc", "string", "wcscmp.c"),
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filepath.Join(baseDir, "libc", "string", "wcscoll.c"),
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filepath.Join(baseDir, "libc", "string", "wcscoll_l.c"),
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filepath.Join(baseDir, "libc", "string", "wcscpy.c"),
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filepath.Join(baseDir, "libc", "string", "wcscspn.c"),
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filepath.Join(baseDir, "libc", "string", "wcsdup.c"),
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filepath.Join(baseDir, "libc", "string", "wcslcat.c"),
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filepath.Join(baseDir, "libc", "string", "wcslcpy.c"),
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filepath.Join(baseDir, "libc", "string", "wcslen.c"),
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filepath.Join(baseDir, "libc", "string", "wcsncasecmp.c"),
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filepath.Join(baseDir, "libc", "string", "wcsncasecmp_l.c"),
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filepath.Join(baseDir, "libc", "string", "wcsncat.c"),
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filepath.Join(baseDir, "libc", "string", "wcsncmp.c"),
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filepath.Join(baseDir, "libc", "string", "wcsncpy.c"),
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filepath.Join(baseDir, "libc", "string", "wcsnlen.c"),
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filepath.Join(baseDir, "libc", "string", "wcspbrk.c"),
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filepath.Join(baseDir, "libc", "string", "wcsrchr.c"),
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filepath.Join(baseDir, "libc", "string", "wcsspn.c"),
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filepath.Join(baseDir, "libc", "string", "wcsstr.c"),
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filepath.Join(baseDir, "libc", "string", "wcstok.c"),
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filepath.Join(baseDir, "libc", "string", "wcswidth.c"),
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filepath.Join(baseDir, "libc", "string", "wcsxfrm.c"),
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filepath.Join(baseDir, "libc", "string", "wcsxfrm_l.c"),
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filepath.Join(baseDir, "libc", "string", "wcwidth.c"),
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filepath.Join(baseDir, "libc", "string", "wmemchr.c"),
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filepath.Join(baseDir, "libc", "string", "wmemcmp.c"),
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filepath.Join(baseDir, "libc", "string", "wmemcpy.c"),
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filepath.Join(baseDir, "libc", "string", "wmemmove.c"),
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filepath.Join(baseDir, "libc", "string", "wmempcpy.c"),
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filepath.Join(baseDir, "libc", "string", "wmemset.c"),
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filepath.Join(baseDir, "libc", "string", "xpg_strerror_r.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-calloc.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-malloc.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-pvalloc.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-realloc.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-valloc.c"),
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filepath.Join(baseDir, "libc", "stdlib", "rand.c"),
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filepath.Join(baseDir, "libc", "stdlib", "srand.c"),
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filepath.Join(baseDir, "libc", "stdlib", "nano-free.c"),
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filepath.Join(baseDir, "libc", "tinystdio", "printf.c"),
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filepath.Join(baseDir, "libc", "tinystdio", "putchar.c"),
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filepath.Join(baseDir, "libc", "tinystdio", "puts.c"),
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},
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CFlags: []string{
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"-D_COMPILING_NEWLIB",
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"-D_HAVE_ALIAS_ATTRIBUTE",
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"-DTINY_STDIO",
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"-DPOSIX_IO",
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"-DFORMAT_DEFAULT_INTEGER",
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"-D_IEEE_LIBM",
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"-D__OBSOLETE_MATH_FLOAT=1",
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"-D__OBSOLETE_MATH_DOUBLE=0",
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"-D_WANT_IO_C99_FORMATS",
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"-nostdlib",
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"-isystem" + libcIncludeDir,
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"-I" + libmIncludeDir,
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"-I" + localeIncludeDir,
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"-I" + baseDir,
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"-I" + filepath.Join(baseDir, "libc", "tinystdio"),
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},
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LDFlags: []string{"-nostdlib"},
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ArchiveSrcDir: filepath.Join("picolibc-1.8.10", "newlib"),
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}
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}
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