freebsd.h (LIB_SPEC): Key the exact setting to configure-time options and target version of FreeBSD.
* config/freebsd.h (LIB_SPEC): Key the exact setting to configure-time options and target version of FreeBSD. Set-up to match architectural change in threading support. Correctly report when -pthread option is not supported by configure-time options. (FBSD_CPP_PREDEFINES): Move from architecture-specific files and extend to encode target version number in run-time setting of __FreeBSD__ macro to match the system compiler. (CPP_PREDEFINES): Likewise. (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG. * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h. * config/i386/freebsd.h (CPP_PREDEFINES): Likewise. Co-Authored-By: David O'Brien <obrien@freebsd.org> From-SVN: r42464
This commit is contained in:
Loren J. Rittle
Loren J. Rittle
parent
9e405fe52e
commit
766a4175b1
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@ -1,3 +1,20 @@
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2001-05-22 Loren J. Rittle <ljrittle@acm.org>
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David O'Brien <obrien@freebsd.org>
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* config/freebsd.h (LIB_SPEC): Key the exact setting to
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configure-time options and target version of FreeBSD. Set-up
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to match architectural change in threading support. Correctly
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report when -pthread option is not supported by configure-time
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options.
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(FBSD_CPP_PREDEFINES): Move from architecture-specific files
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and extend to encode target version number in run-time setting
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of __FreeBSD__ macro to match the system compiler.
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(CPP_PREDEFINES): Likewise.
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(PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
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* config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
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* config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
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2001-05-22 Loren J. Rittle <ljrittle@acm.org>
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David O'Brien <obrien@freebsd.org>
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@ -19,10 +19,6 @@ along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES \
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"-D__ELF__ -Dunix -D__FreeBSD__ -Asystem(unix) -Asystem(bsd) -Asystem(FreeBSD)"
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/* Provide a CPP_SPEC appropriate for FreeBSD/alpha. Besides the dealing with
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the GCC option `-posix', and PIC issues as on all FreeBSD platforms, we must
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deal with the Alpha's FP issues. */
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@ -1,5 +1,5 @@
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/* Base configuration file for all FreeBSD targets.
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Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
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This file is part of GNU CC.
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@ -22,7 +22,9 @@ Boston, MA 02111-1307, USA. */
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All FreeBSD architectures should include this file, which will specify
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their commonalities.
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Adapted from gcc/config/i386/freebsd-elf.h by
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David O'Brien <obrien@FreeBSD.org>. */
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David O'Brien <obrien@FreeBSD.org>.
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Further work by David O'Brien <obrien@FreeBSD.org> and
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Loren J. Rittle <ljrittle@acm.org>. */
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/* This defines which switch letters take arguments. On FreeBSD, most of
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@ -48,6 +50,26 @@ Boston, MA 02111-1307, USA. */
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#undef WORD_SWITCH_TAKES_ARG
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#define WORD_SWITCH_TAKES_ARG(STR) (FBSD_WORD_SWITCH_TAKES_ARG(STR))
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#if FBSD_MAJOR == 6
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#define FBSD_CPP_PREDEFINES \
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"-D__FreeBSD__=6 -Dunix -D__ELF__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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#elif FBSD_MAJOR == 5
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#define FBSD_CPP_PREDEFINES \
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"-D__FreeBSD__=5 -Dunix -D__ELF__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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#elif FBSD_MAJOR == 4
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#define FBSD_CPP_PREDEFINES \
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"-D__FreeBSD__=4 -Dunix -D__ELF__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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#elif FBSD_MAJOR == 3
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#define FBSD_CPP_PREDEFINES \
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"-D__FreeBSD__=3 -Dunix -D__ELF__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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#else
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#define FBSD_CPP_PREDEFINES \
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"-D__FreeBSD__ -Dunix -D__ELF__ -Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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#endif
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES FBSD_CPP_PREDEFINES
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/* Provide a CPP_SPEC appropriate for FreeBSD. We just deal with the GCC
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option `-posix', and PIC issues. */
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@ -56,11 +78,37 @@ Boston, MA 02111-1307, USA. */
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%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \
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%{posix:-D_POSIX_SOURCE}"
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/* Provide a LIB_SPEC appropriate for FreeBSD. Just select the appropriate
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libc, depending on whether we're doing profiling or need threads support.
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(simular to the default, except no -lg, and no -p). */
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/* Provide a LIB_SPEC appropriate for FreeBSD as configured and as
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required by the user-land thread model. Before __FreeBSD_version
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500016, select the appropriate libc, depending on whether we're
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doing profiling or need threads support. At __FreeBSD_version
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500016 and later, when threads support is requested include both
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-lc and -lc_r instead of only -lc_r. To make matters interesting,
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we can't actually use __FreeBSD_version provided by <osreldate.h>
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directly since it breaks cross-compiling. As a final twist, make
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it a hard error if -pthread is provided on the command line and gcc
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was configured with --disable-threads (this will help avoid bug
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reports from users complaining about threading when they
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misconfigured the gcc bootstrap but are later consulting FreeBSD
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manual pages that refer to the mythical -pthread option). */
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#undef LIB_SPEC
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#ifdef FBSD_NO_THREADS
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#define LIB_SPEC " \
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%{pthread: %eThe -pthread option is only supported on FreeBSD when gcc \
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is built with the --enable-threads configure-time option.} \
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%{!shared: \
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%{!pg: -lc} \
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%{pg: -lc_p} \
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}"
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#else
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#if FBSD_MAJOR >= 5
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#define LIB_SPEC " \
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%{!shared: \
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%{!pg: %{pthread:-lc_r} -lc} \
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%{pg: %{pthread:-lc_r_p} -lc_p} \
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}"
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#else
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#define LIB_SPEC " \
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%{!shared: \
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%{!pg: \
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@ -70,7 +118,8 @@ Boston, MA 02111-1307, USA. */
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%{!pthread:-lc_p} \
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%{pthread:-lc_r_p}} \
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}"
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#endif
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#endif
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/* Code generation parameters. */
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@ -97,9 +146,11 @@ Boston, MA 02111-1307, USA. */
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#undef DEFAULT_VTABLE_THUNKS
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#define DEFAULT_VTABLE_THUNKS 1
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/* This is BSD, so use stabs instead of DWARF debug format. */
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/* The GNU tools operate better with dwarf2 than stabs. Since we
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don't have any native tools to be compatible with, default to
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dwarf2. */
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#undef IDENT_ASM_OP
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#define IDENT_ASM_OP "\t.ident\t"
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@ -78,10 +78,6 @@ Boston, MA 02111-1307, USA. */
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-Dunix -D__ELF__ -D__FreeBSD__\
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-Asystem=unix -Asystem=bsd -Asystem=FreeBSD"
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/* Provide a STARTFILE_SPEC appropriate for FreeBSD. Here we add
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the magical crtbegin.o file (see crtstuff.c) which provides part
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of the support for getting C++ file-scope static object constructed
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