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bpo-5755: Move -Wstrict-prototypes to CFLAGS_NODIST (GH-7395)
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parent
5f48e2644d
commit
e336484847
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@ -0,0 +1,3 @@
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Move ``-Wstrict-prototypes`` option to ``CFLAGS_NODIST`` from ``OPT``. This
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option emitted annoying warnings when building extension modules written in
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C++.
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46
configure
vendored
46
configure
vendored
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@ -6676,9 +6676,6 @@ if test "${OPT-unset}" = "unset"
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then
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case $GCC in
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yes)
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if test "$CC" != 'g++' ; then
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STRICT_PROTO="-Wstrict-prototypes"
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fi
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# For gcc 4.x we need to use -fwrapv so lets check if its supported
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if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then
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WRAP="-fwrapv"
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@ -6725,8 +6722,6 @@ then
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;;
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esac
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OPT="$OPT $STRICT_PROTO"
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case $ac_sys_system in
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SCO_SV*) OPT="$OPT -m486 -DSCO5"
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;;
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@ -7094,6 +7089,47 @@ fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_unreachable_code_warning" >&5
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$as_echo "$ac_cv_enable_unreachable_code_warning" >&6; }
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can turn on $CC strict-prototypes warning" >&5
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$as_echo_n "checking if we can turn on $CC strict-prototypes warning... " >&6; }
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ac_save_cc="$CC"
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CC="$CC -Werror -Wstrict-prototypes"
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if ${ac_cv_enable_enable_strict_prototypes_warning+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_enable_strict_prototypes_warning=yes
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else
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ac_cv_enable_strict_prototypes_warning=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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fi
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CC="$ac_save_cc"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_enable_strict_prototypes_warning" >&5
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$as_echo "$ac_cv_enable_strict_prototypes_warning" >&6; }
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if test $ac_cv_enable_strict_prototypes_warning = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wstrict-prototypes"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can make implicit function declaration an error in $CC" >&5
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$as_echo_n "checking if we can make implicit function declaration an error in $CC... " >&6; }
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ac_save_cc="$CC"
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25
configure.ac
25
configure.ac
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@ -1421,9 +1421,6 @@ if test "${OPT-unset}" = "unset"
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then
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case $GCC in
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yes)
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if test "$CC" != 'g++' ; then
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STRICT_PROTO="-Wstrict-prototypes"
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fi
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# For gcc 4.x we need to use -fwrapv so lets check if its supported
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if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then
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WRAP="-fwrapv"
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@ -1470,8 +1467,6 @@ then
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;;
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esac
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OPT="$OPT $STRICT_PROTO"
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case $ac_sys_system in
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SCO_SV*) OPT="$OPT -m486 -DSCO5"
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;;
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@ -1678,6 +1673,26 @@ yes)
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fi
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AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning)
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AC_MSG_CHECKING(if we can turn on $CC strict-prototypes warning)
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ac_save_cc="$CC"
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CC="$CC -Werror -Wstrict-prototypes"
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AC_CACHE_VAL(ac_cv_enable_enable_strict_prototypes_warning,
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AC_COMPILE_IFELSE(
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[
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AC_LANG_PROGRAM([[]], [[]])
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],[
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ac_cv_enable_strict_prototypes_warning=yes
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],[
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ac_cv_enable_strict_prototypes_warning=no
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]))
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_enable_strict_prototypes_warning)
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if test $ac_cv_enable_strict_prototypes_warning = yes
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then
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CFLAGS_NODIST="$CFLAGS_NODIST -Wstrict-prototypes"
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fi
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AC_MSG_CHECKING(if we can make implicit function declaration an error in $CC)
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ac_save_cc="$CC"
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CC="$CC -Werror=implicit-function-declaration"
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