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Check for warning flags without no- prefix

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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
2011-12-19 13:20:24 +00:00
parent 049682ba03
commit a53e62cf56
6 changed files with 60 additions and 20 deletions
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4
libdecnumber/ChangeLog
View File

@@ -1,3 +1,7 @@
2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
* configure: Regenerate.
2011-04-20 Jim Meyering <meyering@redhat.com>
* decNumber.c (decNumberFromString): Remove useless

30
libdecnumber/configure vendored
View File

@@ -3248,9 +3248,15 @@ test -n "$AUTOHEADER" || AUTOHEADER="$MISSING autoheader"
WARN_CFLAGS=
save_CFLAGS="$CFLAGS"
for option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
for real_option in -W -Wall -Wwrite-strings -Wstrict-prototypes \
-Wmissing-prototypes -Wold-style-definition \
-Wmissing-format-attribute -Wcast-qual; 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 $option" >&5
@@ -3282,20 +3288,22 @@ eval ac_res=\$$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 :
WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$option"
WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$real_option"
fi
done
CFLAGS="$save_CFLAGS"
WARN_PEDANTIC=
# Do the check with the no- prefix removed from the warning options
# since gcc silently accepts any -Wno-* option on purpose
if test "$GCC" = yes; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic -Wno-long-long" >&5
$as_echo_n "checking whether $CC supports -pedantic -Wno-long-long... " >&6; }
if test "${acx_cv_prog_cc_pedantic__Wno_long_long+set}" = set; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -pedantic -Wlong-long" >&5
$as_echo_n "checking whether $CC supports -pedantic -Wlong-long... " >&6; }
if test "${acx_cv_prog_cc_pedantic__Wlong_long+set}" = set; then :
$as_echo_n "(cached) " >&6
else
save_CFLAGS="$CFLAGS"
CFLAGS="-pedantic -Wno-long-long"
CFLAGS="-pedantic -Wlong-long"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@@ -3308,16 +3316,16 @@ main ()
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
acx_cv_prog_cc_pedantic__Wno_long_long=yes
acx_cv_prog_cc_pedantic__Wlong_long=yes
else
acx_cv_prog_cc_pedantic__Wno_long_long=no
acx_cv_prog_cc_pedantic__Wlong_long=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS="$save_CFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_prog_cc_pedantic__Wno_long_long" >&5
$as_echo "$acx_cv_prog_cc_pedantic__Wno_long_long" >&6; }
if test $acx_cv_prog_cc_pedantic__Wno_long_long = yes; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_prog_cc_pedantic__Wlong_long" >&5
$as_echo "$acx_cv_prog_cc_pedantic__Wlong_long" >&6; }
if test $acx_cv_prog_cc_pedantic__Wlong_long = yes; then :
WARN_PEDANTIC="$WARN_PEDANTIC${WARN_PEDANTIC:+ }-pedantic -Wno-long-long"
fi