+2019-07-24 Iain Sandoe <iain@sandoe.co.uk>
+
+ PR bootstrap/87030
+ * config/i386/darwin.h (REAL_LIBGCC_SPEC): Move from here...
+ * config/i386/darwin32-biarch.h .. to here.
+ * config/i386/darwin64-biarch.h: Adjust comments.
+ * config/rs6000/darwin32-biarch.h: Likewise.
+ * config/rs6000/darwin64-biarch.h: Likewise.
+ * config.gcc: Missed commit from r273746
+ (*-*-darwin*): Don't include CPU t-darwin here.
+ (i[34567]86-*-darwin*): Adjust to use biarch files. Produce
+ an error message if i686-darwin configuration is attempted for
+ Darwin >= 18.
+
2019-07-23 Iain Sandoe <iain@sandoe.co.uk>
PR bootstrap/87030
# Common parts for widely ported systems.
case ${target} in
*-*-darwin*)
- tmake_file="t-darwin ${cpu_type}/t-darwin"
+ tmake_file="t-darwin "
tm_file="${tm_file} darwin.h"
case ${target} in
*-*-darwin9*)
dwarf2=no
fi
;;
+i[34567]86-*-darwin1[89]*)
+ echo "Error: 32bit target is not supported after Darwin17" 1>&2
+ ;;
i[34567]86-*-darwin*)
need_64bit_isa=yes
# Baseline choice for a machine that allows m64 support.
with_cpu=${with_cpu:-core2}
+ tmake_file="${tmake_file} ${cpu_type}/t-darwin32-biarch t-slibgcc"
+ tm_file="${tm_file} ${cpu_type}/darwin32-biarch.h"
+ ;;
+x86_64-*-darwin1[89]* | x86_64-*-darwin2[01]*)
+ # Only 64b from now
+ with_cpu=${with_cpu:-core2}
tmake_file="${tmake_file} t-slibgcc"
;;
x86_64-*-darwin*)
with_cpu=${with_cpu:-core2}
- tmake_file="${tmake_file} ${cpu_type}/t-darwin64 t-slibgcc"
- tm_file="${tm_file} ${cpu_type}/darwin64.h"
+ tmake_file="${tmake_file} ${cpu_type}/t-darwin64-biarch t-slibgcc"
+ tm_file="${tm_file} ${cpu_type}/darwin64-biarch.h"
;;
i[34567]86-*-elfiamcu)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/iamcu.h"
# extra_headers=
# ;;
powerpc-*-darwin*)
- extra_options="${extra_options} rs6000/darwin.opt"
+ extra_options="${extra_options} ${cpu_type}/darwin.opt"
case ${target} in
- *-darwin1[0-9]* | *-darwin[8-9]*)
- tmake_file="${tmake_file} rs6000/t-darwin8"
- tm_file="${tm_file} rs6000/darwin8.h"
+ *-darwin1[0-9]* | *-darwin9*)
+ tmake_file="${tmake_file} ${cpu_type}/t-darwin32-biarch"
+ tm_file="${tm_file} ${cpu_type}/darwin32-biarch.h"
+ ;;
+ *-darwin8*)
+ tmake_file="${tmake_file} ${cpu_type}/t-darwin32-biarch"
+ tm_file="${tm_file} ${cpu_type}/darwin32-biarch.h"
+ tm_file="${tm_file} ${cpu_type}/darwin8.h"
;;
*-darwin7*)
- tm_file="${tm_file} rs6000/darwin7.h"
+ tm_file="${tm_file} ${cpu_type}/darwin7.h"
;;
- *-darwin[0-6]*)
+ *-darwin[456]*)
+ # Earlier - ingle arch, with 32b only
+ # OS X 10.0, the first edition is Darwin4
;;
esac
tmake_file="${tmake_file} t-slibgcc"
;;
powerpc64-*-darwin*)
extra_options="${extra_options} ${cpu_type}/darwin.opt"
- tmake_file="${tmake_file} ${cpu_type}/t-darwin64 t-slibgcc"
- tm_file="${tm_file} ${cpu_type}/darwin8.h ${cpu_type}/darwin64.h"
+ tmake_file="${tmake_file} ${cpu_type}/t-darwin64-biarch t-slibgcc"
+ tm_file="${tm_file} ${cpu_type}/darwin64-biarch.h"
;;
powerpc*-*-freebsd*)
tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h ${fbsd_tm_file} rs6000/sysv4.h"
#endif
#endif
-/* WORKAROUND pr80556:
- For x86_64 Darwin10 and later, the unwinder is in libunwind (redirected
- from libSystem). This doesn't use the keymgr (see keymgr.c) and therefore
- the calls that libgcc makes to obtain the KEYMGR_GCC3_DW2_OBJ_LIST are not
- updated to include new images, and might not even be valid for a single
- image.
- Therefore, for 64b exes at least, we must use the libunwind implementation,
- even when static-libgcc is specified. We put libSystem first so that
- unwinder symbols are satisfied from there. */
-#undef REAL_LIBGCC_SPEC
-#define REAL_LIBGCC_SPEC \
- "%{static-libgcc|static: \
- %{m64:%:version-compare(>= 10.6 mmacosx-version-min= -lSystem)} \
- -lgcc_eh -lgcc; \
- shared-libgcc|fexceptions|fgnu-runtime: \
- %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_s.10.4) \
- %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \
- %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4) \
- %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5) \
- -lgcc ; \
- :%:version-compare(>< 10.3.9 10.5 mmacosx-version-min= -lgcc_s.10.4) \
- %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \
- %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4) \
- %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5) \
- -lgcc }"
-
/* Size of the Obj-C jump buffer. */
#define OBJC_JBLEN ((TARGET_64BIT) ? ((9 * 2) + 3 + 16) : (18))
-/* Target definitions for i386 running Darwin.
+/* Target definitions for i386 running Darwin with a 32b host and supporting
+ a 64b multilib.
Copyright (C) 2019 Free Software Foundation, Inc.
- Contributed by Apple Computer Inc.
This file is part of GCC.
#undef DARWIN_ARCH_SPEC
#define DARWIN_ARCH_SPEC "%{m64:x86_64;:i386}"
+/* WORKAROUND pr80556:
+ For x86_64 Darwin10 and later, the unwinder is in libunwind (redirected
+ from libSystem). This doesn't use the keymgr (see keymgr.c) and therefore
+ the calls that libgcc makes to obtain the KEYMGR_GCC3_DW2_OBJ_LIST are not
+ updated to include new images, and might not even be valid for a single
+ image.
+ Therefore, for 64b exes at least, we must use the libunwind implementation,
+ even when static-libgcc is specified. We put libSystem first so that
+ unwinder symbols are satisfied from there. */
+#undef REAL_LIBGCC_SPEC
+#define REAL_LIBGCC_SPEC \
+ "%{static-libgcc|static: \
+ %{m64:%:version-compare(>= 10.6 mmacosx-version-min= -lSystem)} \
+ -lgcc_eh -lgcc; \
+ shared-libgcc|fexceptions|fgnu-runtime: \
+ %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_s.10.4) \
+ %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \
+ %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4) \
+ %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5) \
+ -lgcc ; \
+ :%:version-compare(>< 10.3.9 10.5 mmacosx-version-min= -lgcc_s.10.4) \
+ %:version-compare(>< 10.5 10.6 mmacosx-version-min= -lgcc_s.10.5) \
+ %:version-compare(!> 10.5 mmacosx-version-min= -lgcc_ext.10.4) \
+ %:version-compare(>= 10.5 mmacosx-version-min= -lgcc_ext.10.5) \
+ -lgcc }"
+
#undef DARWIN_SUBARCH_SPEC
#define DARWIN_SUBARCH_SPEC DARWIN_ARCH_SPEC
-/* Target definitions for x86_64 running Darwin.
+/* Target definitions for x86_64 running Darwin with a 64b host supporting a
+ 32b multilib.
Copyright (C) 2006-2019 Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
-/* Target definitions for PowerPC running Darwin (Mac OS X).
- Copyright (C) 2006-2019 Free Software Foundation, Inc.
- Contributed by Apple Computer Inc.
+/* Target definitions for PowerPC running Darwin (Mac OS X) for a 32b host
+ with a 64b miultilib.
+ Copyright (C) 2019 Free Software Foundation, Inc.
This file is part of GCC.
-/* Target definitions for PowerPC64 running Darwin (Mac OS X).
+/* Target definitions for PowerPC64 running Darwin (Mac OS X) for a 64b host
+ supporting a 32b multilib.
Copyright (C) 2006-2019 Free Software Foundation, Inc.
Contributed by Apple Computer Inc.