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Subject: [Bug target/54461] [avr] add configure option for better AVR-Libc integration
Date: Wed, 05 Sep 2012 12:20:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54461

--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-09-05 12:19:54 UTC ---
Author: gjl
Date: Wed Sep  5 12:19:47 2012
New Revision: 190973

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190973
Log:
    Backport from 2012-09-05 mainline r190697.

    PR target/54461
    * configure.ac (noconfigdirs,target=avr-*-*): Add target-newlib,
    target-libgloss if configured --with-avrlibc.
    * configure: Regenerate.

libgcc/
    Backport from 2012-09-05 mainline r190697.

    PR target/54461
    * config.host (tmake_file,host=avr-*-*): Add avr/t-avrlibc if
    configured --with-avrlibc.
    * Makefile.in (FPBIT_FUNCS): filter-out LIB2FUNCS_EXCLUDE.
    (DPBIT_FUNCS): Ditto.
    (TPBIT_FUNCS): Ditto.
    * config/avr/t-avrlibc: New file.

gcc/
    Backport from 2012-09-05 mainline r190697.

    PR target/54461
    * config.gcc (tm_file,target=avr-*-*): Add avr/avrlibc.h if
    configured --with-avrlibc.
    (tm_defines,target=avr-*-*): Add WITH_AVRLIBC if configured
    --with-avrlibc.
    * config/avr/avrlibc.h: New file.
    * config/avr/avr-c.c: Build-in define __WITH_AVRLIBC__ if
    configured --with-avrlibc.
    * doc/invoke.texi (AVR Built-in Macros): Document __WITH_AVRLIBC__


Added:
    branches/gcc-4_7-branch/gcc/config/avr/avrlibc.h
    branches/gcc-4_7-branch/libgcc/config/avr/t-avrlibc
Modified:
    branches/gcc-4_7-branch/ChangeLog
    branches/gcc-4_7-branch/configure
    branches/gcc-4_7-branch/configure.ac
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/config.gcc
    branches/gcc-4_7-branch/gcc/config/avr/avr-c.c
    branches/gcc-4_7-branch/gcc/doc/invoke.texi
    branches/gcc-4_7-branch/libgcc/ChangeLog
    branches/gcc-4_7-branch/libgcc/Makefile.in
    branches/gcc-4_7-branch/libgcc/config.host