204 lines
7.2 KiB
Diff
204 lines
7.2 KiB
Diff
--- a/gcc/config.gcc
|
|
+++ b/gcc/config.gcc
|
|
@@ -559,7 +559,7 @@ case ${target} in
|
|
esac
|
|
|
|
# Common C libraries.
|
|
-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
|
|
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
|
|
|
|
# Common parts for widely ported systems.
|
|
case ${target} in
|
|
@@ -662,6 +662,9 @@ case ${target} in
|
|
*-*-*uclibc*)
|
|
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
|
|
;;
|
|
+ *-*-*musl*)
|
|
+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
|
|
+ ;;
|
|
*)
|
|
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
|
|
;;
|
|
--- a/gcc/config/linux.h
|
|
+++ b/gcc/config/linux.h
|
|
@@ -32,10 +32,12 @@ see the files COPYING3 and COPYING.RUNTI
|
|
#define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC)
|
|
#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
|
|
#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
|
|
+#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL)
|
|
#else
|
|
#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
|
|
#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
|
|
#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
|
|
+#define OPTION_MUSL (linux_libc == LIBC_MUSL)
|
|
#endif
|
|
|
|
#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
|
|
@@ -53,18 +55,21 @@ see the files COPYING3 and COPYING.RUNTI
|
|
uClibc or Bionic is the default C library and whether
|
|
-muclibc or -mglibc or -mbionic has been passed to change the default. */
|
|
|
|
-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
|
|
- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
|
|
+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \
|
|
+ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
|
|
|
|
#if DEFAULT_LIBC == LIBC_GLIBC
|
|
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
|
|
- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
|
|
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
|
|
+ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
|
|
#elif DEFAULT_LIBC == LIBC_UCLIBC
|
|
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
|
|
- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
|
|
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
|
|
+ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
|
|
#elif DEFAULT_LIBC == LIBC_BIONIC
|
|
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
|
|
- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
|
|
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
|
|
+ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
|
|
+#elif DEFAULT_LIBC == LIBC_MUSL
|
|
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
|
|
+ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
|
|
#else
|
|
#error "Unsupported DEFAULT_LIBC"
|
|
#endif /* DEFAULT_LIBC */
|
|
@@ -84,21 +89,21 @@ see the files COPYING3 and COPYING.RUNTI
|
|
|
|
#define GNU_USER_DYNAMIC_LINKER \
|
|
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
|
|
- BIONIC_DYNAMIC_LINKER)
|
|
+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
|
|
#define GNU_USER_DYNAMIC_LINKER32 \
|
|
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
|
|
- BIONIC_DYNAMIC_LINKER32)
|
|
+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
|
|
#define GNU_USER_DYNAMIC_LINKER64 \
|
|
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
|
|
- BIONIC_DYNAMIC_LINKER64)
|
|
+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
|
|
#define GNU_USER_DYNAMIC_LINKERX32 \
|
|
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \
|
|
- BIONIC_DYNAMIC_LINKERX32)
|
|
+ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32)
|
|
|
|
/* Determine whether the entire c99 runtime
|
|
is present in the runtime library. */
|
|
#undef TARGET_C99_FUNCTIONS
|
|
-#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
|
|
+#define TARGET_C99_FUNCTIONS (OPTION_GLIBC || OPTION_MUSL)
|
|
|
|
/* Whether we have sincos that follows the GNU extension. */
|
|
#undef TARGET_HAS_SINCOS
|
|
@@ -107,3 +112,74 @@ see the files COPYING3 and COPYING.RUNTI
|
|
/* Whether we have Bionic libc runtime */
|
|
#undef TARGET_HAS_BIONIC
|
|
#define TARGET_HAS_BIONIC (OPTION_BIONIC)
|
|
+
|
|
+/* musl avoids problematic includes by rearranging the include directories.
|
|
+ * Unfortunately, this is mostly duplicated from cppdefault.c */
|
|
+#if DEFAULT_LIBC == LIBC_MUSL
|
|
+#define INCLUDE_DEFAULTS_MUSL_GPP \
|
|
+ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \
|
|
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \
|
|
+ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \
|
|
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \
|
|
+ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \
|
|
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
|
|
+
|
|
+#ifdef LOCAL_INCLUDE_DIR
|
|
+#define INCLUDE_DEFAULTS_MUSL_LOCAL \
|
|
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \
|
|
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
|
|
+#else
|
|
+#define INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
+#endif
|
|
+
|
|
+#ifdef PREFIX_INCLUDE_DIR
|
|
+#define INCLUDE_DEFAULTS_MUSL_PREFIX \
|
|
+ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
|
|
+#else
|
|
+#define INCLUDE_DEFAULTS_MUSL_PREFIX
|
|
+#endif
|
|
+
|
|
+#ifdef CROSS_INCLUDE_DIR
|
|
+#define INCLUDE_DEFAULTS_MUSL_CROSS \
|
|
+ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
|
|
+#else
|
|
+#define INCLUDE_DEFAULTS_MUSL_CROSS
|
|
+#endif
|
|
+
|
|
+#ifdef TOOL_INCLUDE_DIR
|
|
+#define INCLUDE_DEFAULTS_MUSL_TOOL \
|
|
+ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
|
|
+#else
|
|
+#define INCLUDE_DEFAULTS_MUSL_TOOL
|
|
+#endif
|
|
+
|
|
+#ifdef NATIVE_SYSTEM_HEADER_DIR
|
|
+#define INCLUDE_DEFAULTS_MUSL_NATIVE \
|
|
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \
|
|
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
|
|
+#else
|
|
+#define INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
+#endif
|
|
+
|
|
+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
|
|
+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
+# define INCLUDE_DEFAULTS_MUSL_LOCAL
|
|
+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
+# define INCLUDE_DEFAULTS_MUSL_NATIVE
|
|
+#else
|
|
+# undef INCLUDE_DEFAULTS_MUSL_CROSS
|
|
+# define INCLUDE_DEFAULTS_MUSL_CROSS
|
|
+#endif
|
|
+
|
|
+#undef INCLUDE_DEFAULTS
|
|
+#define INCLUDE_DEFAULTS \
|
|
+ { \
|
|
+ INCLUDE_DEFAULTS_MUSL_GPP \
|
|
+ INCLUDE_DEFAULTS_MUSL_PREFIX \
|
|
+ INCLUDE_DEFAULTS_MUSL_CROSS \
|
|
+ INCLUDE_DEFAULTS_MUSL_TOOL \
|
|
+ INCLUDE_DEFAULTS_MUSL_NATIVE \
|
|
+ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \
|
|
+ { 0, 0, 0, 0, 0, 0 } \
|
|
+ }
|
|
+#endif
|
|
--- a/gcc/config/linux.opt
|
|
+++ b/gcc/config/linux.opt
|
|
@@ -30,3 +30,7 @@ Use GNU C library
|
|
muclibc
|
|
Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
|
|
Use uClibc C library
|
|
+
|
|
+mmusl
|
|
+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
|
|
+Use musl C library
|
|
--- a/gcc/ginclude/stddef.h
|
|
+++ b/gcc/ginclude/stddef.h
|
|
@@ -181,6 +181,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
|
|
#ifndef _GCC_SIZE_T
|
|
#ifndef _SIZET_
|
|
#ifndef __size_t
|
|
+#ifndef __DEFINED_size_t /* musl */
|
|
#define __size_t__ /* BeOS */
|
|
#define __SIZE_T__ /* Cray Unicos/Mk */
|
|
#define _SIZE_T
|
|
@@ -197,6 +198,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
|
|
#define ___int_size_t_h
|
|
#define _GCC_SIZE_T
|
|
#define _SIZET_
|
|
+#define __DEFINED_size_t /* musl */
|
|
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
|
|
|| defined(__FreeBSD_kernel__)
|
|
/* __size_t is a typedef on FreeBSD 5, must not trash it. */
|
|
@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t;
|
|
typedef long ssize_t;
|
|
#endif /* __BEOS__ */
|
|
#endif /* !(defined (__GNUG__) && defined (size_t)) */
|
|
+#endif /* __DEFINED_size_t */
|
|
#endif /* __size_t */
|
|
#endif /* _SIZET_ */
|
|
#endif /* _GCC_SIZE_T */
|