old-cross-binutils/config/warnings.m4
Ralf Wildenhues ca89244108 Sync config/ from GCC:
--- config/ChangeLog
+++ config/ChangeLog
@@ -19,6 +19,10 @@
 	* tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when
 	cross-compiling.

+2009-06-25  Olivier Hainque  <hainque@adacore.com>
+
+	* config/mh-ppc-aix (BOOT_ADAFLAGS): Remove -mminimal-toc.
+
 2009-05-26  Rafael Avila de Espindola  <espindola@google.com>

 	* plugins.m4: New.
@@ -39,6 +43,27 @@
 	"# no Tcl configs found".
 	(SC_LOAD_TKCONFIG): Similarily for TK_BIN_DIR.

+2009-04-09  Jakub Jelinek  <jakub@redhat.com>
+
+	* lead-dot.m4: Change copyright header to refer to version
+	3 of the GNU General Public License and to point readers at the
+	COPYING3 file and the FSF's license web page.
+	* warnings.m4: Likewise.
+
+2009-02-11  Kai Tietz  <kai.tietz@onevision.com>
+
+	* mh-cygwin (LDFLAGS): Add linker option to increase stack limit
+	up to 8MB.
+
+2009-01-23  Jie Zhang  <jie.zhang@analog.com>
+
+	* tls.m4 (GCC_CHECK_EMUTLS): Define.
+
+2008-12-21  Andrew Pinski  <pinskia@gmail.com>
+
+	PR target/38300
+	* unwind_ipinfo.m4: Darwin before 9 does not have _Unwind_GetIPInfo.
+
 2008-11-21  Kai Tietz  <kai.tietz@onevision.com>

 	Fix PR/25502
2009-08-16 12:49:48 +00:00

107 lines
4 KiB
Text

# Autoconf include file defining macros related to compile-time warnings.
# Copyright 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
#This file is part of GCC.
#GCC is free software; you can redistribute it and/or modify it under
#the terms of the GNU General Public License as published by the Free
#Software Foundation; either version 3, or (at your option) any later
#version.
#GCC is distributed in the hope that it will be useful, but WITHOUT
#ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
#for more details.
#You should have received a copy of the GNU General Public License
#along with GCC; see the file COPYING3. If not see
#<http://www.gnu.org/licenses/>.
# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS)
# Sets @VARIABLE@ to the subset of the given options which the
# compiler accepts.
AC_DEFUN([ACX_PROG_CC_WARNING_OPTS],
[AC_REQUIRE([AC_PROG_CC])dnl
m4_pushdef([acx_Var], [m4_default([$2], [WARN_CFLAGS])])dnl
AC_SUBST(acx_Var)dnl
m4_expand_once([acx_Var=
],m4_quote(acx_Var=))dnl
save_CFLAGS="$CFLAGS"
for option in $1; do
AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option])
AC_CACHE_CHECK([whether $CC supports $option], acx_Woption,
[CFLAGS="$option"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
[AS_VAR_SET(acx_Woption, yes)],
[AS_VAR_SET(acx_Woption, no)])
])
AS_IF([test AS_VAR_GET(acx_Woption) = yes],
[acx_Var="$acx_Var${acx_Var:+ }$option"])
AS_VAR_POPDEF([acx_Woption])dnl
done
CFLAGS="$save_CFLAGS"
m4_popdef([acx_Var])dnl
])# ACX_PROG_CC_WARNING_OPTS
# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC)
# Append to VARIABLE "-pedantic" + the argument, if the compiler is GCC
# and accepts all of those options simultaneously, otherwise to nothing.
AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC],
[AC_REQUIRE([AC_PROG_CC])dnl
m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl
AC_SUBST(acx_Var)dnl
m4_expand_once([acx_Var=
],m4_quote(acx_Var=))dnl
AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl
AS_IF([test "$GCC" = yes],
[AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic,
[save_CFLAGS="$CFLAGS"
CFLAGS="-pedantic $1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
[AS_VAR_SET(acx_Pedantic, yes)],
[AS_VAR_SET(acx_Pedantic, no)])
CFLAGS="$save_CFLAGS"])
AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
[acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"])
])
AS_VAR_POPDEF([acx_Pedantic])dnl
m4_popdef([acx_Var])dnl
])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC
# ACX_PROG_CC_WARNINGS_ARE_ERRORS([x.y.z], [VARIABLE = WERROR])
# sets @VARIABLE@ to "-Werror" if the compiler is GCC >=x.y.z, or if
# --enable-werror-always was given on the command line, otherwise
# to nothing.
# If the argument is the word "manual" instead of a version number,
# then @VARIABLE@ will be set to -Werror only if --enable-werror-always
# appeared on the configure command line.
AC_DEFUN([ACX_PROG_CC_WARNINGS_ARE_ERRORS],
[AC_REQUIRE([AC_PROG_CC])dnl
m4_pushdef([acx_Var], [m4_default([$2], [WERROR])])dnl
AC_SUBST(acx_Var)dnl
m4_expand_once([acx_Var=
],m4_quote(acx_Var=))dnl
AC_ARG_ENABLE(werror-always,
AS_HELP_STRING([--enable-werror-always],
[enable -Werror despite compiler version]),
[], [enable_werror_always=no])
AS_IF([test $enable_werror_always = yes],
[acx_Var="$acx_Var${acx_Var:+ }-Werror"])
m4_if($1, [manual],,
[AS_VAR_PUSHDEF([acx_GCCvers], [acx_cv_prog_cc_gcc_$1_or_newer])dnl
AC_CACHE_CHECK([whether $CC is GCC >=$1], acx_GCCvers,
[set fnord `echo $1 | tr '.' ' '`
shift
AC_PREPROC_IFELSE(
[#if __GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ \
< [$]1 * 10000 + [$]2 * 100 + [$]3
#error insufficient
#endif],
[AS_VAR_SET(acx_GCCvers, yes)],
[AS_VAR_SET(acx_GCCvers, no)])])
AS_IF([test AS_VAR_GET(acx_GCCvers) = yes],
[acx_Var="$acx_Var${acx_Var:+ }-Werror"])
AS_VAR_POPDEF([acx_GCCvers])])
m4_popdef([acx_Var])dnl
])# ACX_PROG_CC_WARNINGS_ARE_ERRORS