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config.gcc (m68k-*-linux*): Add with_arch. 

* config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
	to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
	tmake_file.
	* config/m68k/t-linux: New.
	* doc/install.texi: Document m68k-*-linux is now multilibbed by
	default.

From-SVN: r137557
This commit is contained in:
Nathan Sidwell 2008-07-07 11:14:37 +00:00
parent b2aa7a6437
commit 368b55f6b0
4 changed files with 35 additions and 4 deletions
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16
gcc/ChangeLog
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@ -1,3 +1,19 @@
2008-07-07 Maxim Kuvyrkov <maxim@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
* config.gcc (m68k-*-linux*): Add with_arch. Add sysroot-suffix.h
to tm_file. Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
tmake_file.
* config/m68k/t-linux: New.
* doc/install.texi: Document m68k-*-linux is now multilibbed by
default.
2008-07-07 Nathan Sidwell <nathan@codesourcery.com>
* config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
* config/m68k/m68k-devices.def: Remove multilibs that only differ
by MAC/EMAC.
2008-07-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* gcc.c (execute): Fix -Wc++-compat warning.

4
gcc/config.gcc
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@ -1459,9 +1459,11 @@ m68k-*-linux*) # Motorola m68k's running GNU/Linux
# aka the GNU/Linux C library 6.
default_m68k_cpu=68020
default_cf_cpu=5475
tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h m68k/linux.h"
with_arch=${with_arch:-m68k}
tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h m68k/linux.h ./sysroot-suffix.h"
extra_options="${extra_options} m68k/ieee.opt"
tm_defines="${tm_defines} MOTOROLA=1"
tmake_file="${tmake_file} m68k/t-floatlib m68k/t-linux m68k/t-mlibs"
# if not configured with --enable-sjlj-exceptions, bump the
# libgcc version number
if test x$sjlj != x1; then

11
gcc/config/m68k/t-linux Normal file
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@ -0,0 +1,11 @@
EXTRA_MULTILIB_PARTS=crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o
# Only include multilibs for CPUs with an MMU.
M68K_MLIB_CPU += && match(FLAGS, "FL_MMU")
# This rule uses MULTILIB_MATCHES to generate a definition of
# SYSROOT_SUFFIX_SPEC.
sysroot-suffix.h: $(srcdir)/config/m68k/print-sysroot-suffix.sh
$(SHELL) $(srcdir)/config/m68k/print-sysroot-suffix.sh \
"$(SYSTEM_HEADER_DIR)/../.." "$(MULTILIB_MATCHES)" \
"$(MULTILIB_OPTIONS)" > $@

8
gcc/doc/install.texi
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@ -3427,15 +3427,17 @@ applications. There are no standard Unix configurations.
@end html
@heading @anchor{m68k-x-x}m68k-*-*
By default, @samp{m68k-*-aout}, @samp{m68k-*-coff*},
@samp{m68k-*-elf*}, @samp{m68k-*-rtems} and @samp{m68k-*-uclinux}
@samp{m68k-*-elf*}, @samp{m68k-*-rtems}, @samp{m68k-*-uclinux} and
@samp{m68k-*-linux}
build libraries for both M680x0 and ColdFire processors. If you only
need the M680x0 libraries, you can omit the ColdFire ones by passing
@option{--with-arch=m68k} to @command{configure}. Alternatively, you
can omit the M680x0 libraries by passing @option{--with-arch=cf} to
@command{configure}. These targets default to 5206 code when
@command{configure}. These targets default to 5206 or 5475 code as
appropriate for the target system when
configured with @option{--with-arch=cf} and 68020 code otherwise.
The @samp{m68k-*-linux-gnu}, @samp{m68k-*-netbsd} and
The @samp{m68k-*-netbsd} and
@samp{m68k-*-openbsd} targets also support the @option{--with-arch}
option. They will generate ColdFire CFV4e code when configured with
@option{--with-arch=cf} and 68020 code otherwise.