From cf5a60020e18aeb3723713a33bb274f6d7157a08 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Mon, 19 Dec 2011 13:20:23 +0000 Subject: 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. --- libiberty/ChangeLog | 4 ++++ libiberty/configure | 12 ++++++++++-- 2 files changed, 14 insertions(+), 2 deletions(-) (limited to 'libiberty') diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog index a269a0efed..cab1f97514 100644 --- a/libiberty/ChangeLog +++ b/libiberty/ChangeLog @@ -1,3 +1,7 @@ +2011-12-19 Andreas Schwab + + * configure: Regenerate. + 2011-11-07 Richard Henderson Merged from transactional-memory. diff --git a/libiberty/configure b/libiberty/configure index c798937dee..d26c8b5f5b 100755 --- a/libiberty/configure +++ b/libiberty/configure @@ -3920,8 +3920,14 @@ ac_c_preproc_warn_flag=yes ac_libiberty_warn_cflags= save_CFLAGS="$CFLAGS" -for option in -W -Wall -Wwrite-strings -Wc++-compat \ +for real_option in -W -Wall -Wwrite-strings -Wc++-compat \ -Wstrict-prototypes; do + # Do the check with the no- prefix removed since gcc silently + # accepts any -Wno-* option on purpose + case $real_option in + -Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;; + *) option=$real_option ;; + esac as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh` { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $option" >&5 @@ -3953,11 +3959,13 @@ eval ac_res=\$$as_acx_Woption { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 $as_echo "$ac_res" >&6; } if test `eval 'as_val=${'$as_acx_Woption'};$as_echo "$as_val"'` = yes; then : - ac_libiberty_warn_cflags="$ac_libiberty_warn_cflags${ac_libiberty_warn_cflags:+ }$option" + ac_libiberty_warn_cflags="$ac_libiberty_warn_cflags${ac_libiberty_warn_cflags:+ }$real_option" fi done CFLAGS="$save_CFLAGS" +# Do the check with the no- prefix removed from the warning options +# since gcc silently accepts any -Wno-* option on purpose if test "$GCC" = yes; then : { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic " >&5 $as_echo_n "checking whether $CC supports -pedantic ... " >&6; } -- cgit v1.2.1