Check for warning flags without no- prefix
config/: * warnings.m4 (ACX_PROG_CC_WARNING_OPTS) (ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the no- prefix. libdecnumber/: * configure: Regenerate. libiberty/: * configure: Regenerate.
This commit is contained in:
Andreas Schwab
parent
049682ba03
commit
a53e62cf56
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@ -1,3 +1,9 @@
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2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
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* warnings.m4 (ACX_PROG_CC_WARNING_OPTS)
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(ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the
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no- prefix.
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2011-12-18 Eric Botcazou <ebotcazou@adacore.com>
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* acx.m4 (Test for GNAT): Update comment and add quotes in final test.
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@ -1,6 +1,6 @@
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# Autoconf include file defining macros related to compile-time warnings.
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# Copyright 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
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# Copyright 2004, 2005, 2007, 2009, 2011 Free Software Foundation, Inc.
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#This file is part of GCC.
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@ -28,7 +28,13 @@ AC_SUBST(acx_Var)dnl
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m4_expand_once([acx_Var=
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],m4_quote(acx_Var=))dnl
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save_CFLAGS="$CFLAGS"
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for option in $1; do
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for real_option in $1; do
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# Do the check with the no- prefix removed since gcc silently
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# accepts any -Wno-* option on purpose
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case $real_option in
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-Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;;
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*) option=$real_option ;;
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esac
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AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option])
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AC_CACHE_CHECK([whether $CC supports $option], acx_Woption,
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[CFLAGS="$option"
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@ -37,14 +43,14 @@ for option in $1; do
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[AS_VAR_SET(acx_Woption, no)])
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])
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AS_IF([test AS_VAR_GET(acx_Woption) = yes],
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[acx_Var="$acx_Var${acx_Var:+ }$option"])
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[acx_Var="$acx_Var${acx_Var:+ }$real_option"])
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AS_VAR_POPDEF([acx_Woption])dnl
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done
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CFLAGS="$save_CFLAGS"
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m4_popdef([acx_Var])dnl
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])# ACX_PROG_CC_WARNING_OPTS
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# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC)
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# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC])
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# Append to VARIABLE "-pedantic" + the argument, if the compiler is GCC
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# and accepts all of those options simultaneously, otherwise to nothing.
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AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC],
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@ -53,11 +59,14 @@ m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl
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AC_SUBST(acx_Var)dnl
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m4_expand_once([acx_Var=
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],m4_quote(acx_Var=))dnl
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AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl
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# Do the check with the no- prefix removed from the warning options
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# since gcc silently accepts any -Wno-* option on purpose
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m4_pushdef([acx_Woptions], [m4_bpatsubst([$1], [-Wno-], [-W])])dnl
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AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_]acx_Woptions)dnl
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AS_IF([test "$GCC" = yes],
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[AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic,
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[AC_CACHE_CHECK([whether $CC supports -pedantic ]acx_Woptions, acx_Pedantic,
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[save_CFLAGS="$CFLAGS"
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CFLAGS="-pedantic $1"
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CFLAGS="-pedantic acx_Woptions"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
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[AS_VAR_SET(acx_Pedantic, yes)],
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[AS_VAR_SET(acx_Pedantic, no)])
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@ -66,6 +75,7 @@ AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
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[acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"])
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])
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AS_VAR_POPDEF([acx_Pedantic])dnl
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m4_popdef([acx_Woptions])dnl
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m4_popdef([acx_Var])dnl
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])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC
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@ -1,3 +1,7 @@
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2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
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* configure: Regenerate.
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2011-04-20 Jim Meyering <meyering@redhat.com>
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* decNumber.c (decNumberFromString): Remove useless
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@ -3248,9 +3248,15 @@ test -n "$AUTOHEADER" || AUTOHEADER="$MISSING autoheader"
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WARN_CFLAGS=
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save_CFLAGS="$CFLAGS"
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for option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
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for real_option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
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-Wmissing-prototypes -Wold-style-definition \
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-Wmissing-format-attribute -Wcast-qual; do
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# Do the check with the no- prefix removed since gcc silently
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# accepts any -Wno-* option on purpose
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case $real_option in
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-Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;;
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*) option=$real_option ;;
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esac
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as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5
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@ -3282,20 +3288,22 @@ eval ac_res=\$$as_acx_Woption
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then :
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WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$option"
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WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$real_option"
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fi
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done
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CFLAGS="$save_CFLAGS"
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WARN_PEDANTIC=
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# Do the check with the no- prefix removed from the warning options
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# since gcc silently accepts any -Wno-* option on purpose
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if test "$GCC" = yes; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic -Wno-long-long" >&5
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$as_echo_n "checking whether $CC supports -pedantic -Wno-long-long... " >&6; }
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if test "${acx_cv_prog_cc_pedantic__Wno_long_long+set}" = set; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic -Wlong-long" >&5
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$as_echo_n "checking whether $CC supports -pedantic -Wlong-long... " >&6; }
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if test "${acx_cv_prog_cc_pedantic__Wlong_long+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="-pedantic -Wno-long-long"
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CFLAGS="-pedantic -Wlong-long"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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@ -3308,16 +3316,16 @@ main ()
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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acx_cv_prog_cc_pedantic__Wno_long_long=yes
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acx_cv_prog_cc_pedantic__Wlong_long=yes
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else
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acx_cv_prog_cc_pedantic__Wno_long_long=no
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acx_cv_prog_cc_pedantic__Wlong_long=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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CFLAGS="$save_CFLAGS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_prog_cc_pedantic__Wno_long_long" >&5
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$as_echo "$acx_cv_prog_cc_pedantic__Wno_long_long" >&6; }
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if test $acx_cv_prog_cc_pedantic__Wno_long_long = yes; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_prog_cc_pedantic__Wlong_long" >&5
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$as_echo "$acx_cv_prog_cc_pedantic__Wlong_long" >&6; }
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if test $acx_cv_prog_cc_pedantic__Wlong_long = yes; then :
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WARN_PEDANTIC="$WARN_PEDANTIC${WARN_PEDANTIC:+ }-pedantic -Wno-long-long"
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fi
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@ -1,3 +1,7 @@
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2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
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* configure: Regenerate.
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2011-11-07 Richard Henderson <rth@redhat.com>
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Merged from transactional-memory.
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@ -3920,8 +3920,14 @@ ac_c_preproc_warn_flag=yes
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ac_libiberty_warn_cflags=
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save_CFLAGS="$CFLAGS"
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for option in -W -Wall -Wwrite-strings -Wc++-compat \
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for real_option in -W -Wall -Wwrite-strings -Wc++-compat \
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-Wstrict-prototypes; do
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# Do the check with the no- prefix removed since gcc silently
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# accepts any -Wno-* option on purpose
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case $real_option in
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-Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;;
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*) option=$real_option ;;
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esac
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as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh`
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5
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@ -3953,11 +3959,13 @@ eval ac_res=\$$as_acx_Woption
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then :
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ac_libiberty_warn_cflags="$ac_libiberty_warn_cflags${ac_libiberty_warn_cflags:+ }$option"
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ac_libiberty_warn_cflags="$ac_libiberty_warn_cflags${ac_libiberty_warn_cflags:+ }$real_option"
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fi
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done
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CFLAGS="$save_CFLAGS"
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# Do the check with the no- prefix removed from the warning options
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# since gcc silently accepts any -Wno-* option on purpose
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if test "$GCC" = yes; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic " >&5
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$as_echo_n "checking whether $CC supports -pedantic ... " >&6; }
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