diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 43 |
1 files changed, 43 insertions, 0 deletions
@@ -7230,6 +7230,49 @@ fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wunreachable-code-return option" >&5 +$as_echo_n "checking whether the compiler supports the -Wunreachable-code-return option... " >&6; } + save_CFLAGS="$CFLAGS" + if expr "x-Wunreachable-code-return" : "x-W.*" >/dev/null + then + CFLAGS="$CFLAGS $ac_lbl_unknown_warning_option_error -Wunreachable-code-return" + elif expr "x-Wunreachable-code-return" : "x-f.*" >/dev/null + then + CFLAGS="$CFLAGS -Werror -Wunreachable-code-return" + elif expr "x-Wunreachable-code-return" : "x-m.*" >/dev/null + then + CFLAGS="$CFLAGS -Werror -Wunreachable-code-return" + else + CFLAGS="$CFLAGS -Wunreachable-code-return" + fi + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +return 0 + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + CFLAGS="$save_CFLAGS" + V_CCOPT="$V_CCOPT -Wunreachable-code-return" + +else + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + CFLAGS="$save_CFLAGS" + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports the -Wused-but-marked-unused option" >&5 $as_echo_n "checking whether the compiler supports the -Wused-but-marked-unused option... " >&6; } save_CFLAGS="$CFLAGS" |