diff options
Diffstat (limited to 'libcpp/configure')
| -rwxr-xr-x | libcpp/configure | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/libcpp/configure b/libcpp/configure index c400d23a93d..803daae2b2e 100755 --- a/libcpp/configure +++ b/libcpp/configure @@ -616,6 +616,7 @@ CCDEPMODE DEPDIR am__leading_dot WERROR +noexception_flags WARN_PEDANTIC c_warn warn @@ -4687,7 +4688,7 @@ test -n "$AUTOHEADER" || AUTOHEADER="$MISSING autoheader" warn= save_CFLAGS="$CFLAGS" -for option in -W -Wall -Wwrite-strings \ +for option in -W -Wall -Wno-narrowing -Wwrite-strings \ -Wmissing-format-attribute; do as_acx_Woption=`$as_echo "acx_cv_prog_cc_warning_$option" | $as_tr_sh` @@ -4802,6 +4803,47 @@ fi fi +# Disable exceptions and RTTI if building with g++ +noexception_flags= +save_CFLAGS="$CFLAGS" +for option in -fno-exceptions -fno-rtti; do + 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 $option" >&5 +$as_echo_n "checking whether $CC supports $option... " >&6; } +if { as_var=$as_acx_Woption; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + CFLAGS="$option" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + eval "$as_acx_Woption=yes" +else + eval "$as_acx_Woption=no" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +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 "$as_val"'` = yes; then : + noexception_flags="$noexception_flags${noexception_flags:+ }$option" +fi + done +CFLAGS="$save_CFLAGS" + + # Only enable with --enable-werror-always until existing warnings are # corrected. WERROR= |