[Bug bootstrap/51388] Configure failure to detect unsupported warning options for non-bootstrap builds (including cross builds)

[schwab at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51388

--- Comment #9 from Andreas Schwab <schwab at gcc dot gnu.org> 2011-12-19 13:12:31 UTC ---
Author: schwab
Date: Mon Dec 19 13:12:26 2011
New Revision: 182478

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182478
Log:
Check for warning flags without no- prefix

config/:
    PR bootstrap/51388
    * warnings.m4 (ACX_PROG_CC_WARNING_OPTS)
    (ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the
    no- prefix.
fixincludes/:
    * configure: Regenerate.
gcc/:
    * configure: Regenerate.
libcpp/:
    * configure: Regenerate.
libdecnumber/:
    * configure: Regenerate.
libiberty/:
    * configure: Regenerate.
lto-plugin/:
    * configure: Regenerate.

Modified:
    trunk/config/ChangeLog
    trunk/config/warnings.m4
    trunk/fixincludes/ChangeLog
    trunk/fixincludes/configure
    trunk/gcc/ChangeLog
    trunk/gcc/configure
    trunk/libcpp/ChangeLog
    trunk/libcpp/configure
    trunk/libdecnumber/ChangeLog
    trunk/libdecnumber/configure
    trunk/libiberty/ChangeLog
    trunk/libiberty/configure
    trunk/lto-plugin/ChangeLog
    trunk/lto-plugin/configure