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gh-121026: Include -Werror with new compiler flag checks to ensure compatibility (gh-121030)

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Nate Ohlson 2024-06-26 03:45:55 -05:00 committed by GitHub
parent 0654336dd5
commit d8f82432a3
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2 changed files with 25 additions and 33 deletions
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48
configure generated vendored
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@ -9609,13 +9609,13 @@ fi
# These flags should be enabled by default for all builds.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wimplicit-fallthrough" >&5
printf %s "checking whether C compiler accepts -Wimplicit-fallthrough... " >&6; }
if test ${ax_cv_check_cflags___Wimplicit_fallthrough+y}
if test ${ax_cv_check_cflags__Werror__Wimplicit_fallthrough+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS -Wimplicit-fallthrough"
CFLAGS="$CFLAGS -Werror -Wimplicit-fallthrough"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -9629,16 +9629,16 @@ main (void)
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
ax_cv_check_cflags___Wimplicit_fallthrough=yes
ax_cv_check_cflags__Werror__Wimplicit_fallthrough=yes
else $as_nop
ax_cv_check_cflags___Wimplicit_fallthrough=no
ax_cv_check_cflags__Werror__Wimplicit_fallthrough=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Wimplicit_fallthrough" >&5
printf "%s\n" "$ax_cv_check_cflags___Wimplicit_fallthrough" >&6; }
if test "x$ax_cv_check_cflags___Wimplicit_fallthrough" = xyes
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&5
printf "%s\n" "$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" >&6; }
if test "x$ax_cv_check_cflags__Werror__Wimplicit_fallthrough" = xyes
then :
BASECFLAGS="$BASECFLAGS -Wimplicit-fallthrough"
else $as_nop
@ -9648,13 +9648,13 @@ fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstack-protector-strong" >&5
printf %s "checking whether C compiler accepts -fstack-protector-strong... " >&6; }
if test ${ax_cv_check_cflags___fstack_protector_strong+y}
if test ${ax_cv_check_cflags__Werror__fstack_protector_strong+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS -fstack-protector-strong"
CFLAGS="$CFLAGS -Werror -fstack-protector-strong"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -9668,16 +9668,16 @@ main (void)
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
ax_cv_check_cflags___fstack_protector_strong=yes
ax_cv_check_cflags__Werror__fstack_protector_strong=yes
else $as_nop
ax_cv_check_cflags___fstack_protector_strong=no
ax_cv_check_cflags__Werror__fstack_protector_strong=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___fstack_protector_strong" >&5
printf "%s\n" "$ax_cv_check_cflags___fstack_protector_strong" >&6; }
if test "x$ax_cv_check_cflags___fstack_protector_strong" = xyes
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__fstack_protector_strong" >&5
printf "%s\n" "$ax_cv_check_cflags__Werror__fstack_protector_strong" >&6; }
if test "x$ax_cv_check_cflags__Werror__fstack_protector_strong" = xyes
then :
BASECFLAGS="$BASECFLAGS -fstack-protector-strong"
else $as_nop
@ -9685,18 +9685,15 @@ else $as_nop
printf "%s\n" "$as_me: WARNING: -fstack-protector-strong not supported" >&2;}
fi
case $CC in
*gcc*)
# Add GCC-specific compiler flags
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wtrampolines" >&5
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wtrampolines" >&5
printf %s "checking whether C compiler accepts -Wtrampolines... " >&6; }
if test ${ax_cv_check_cflags___Wtrampolines+y}
if test ${ax_cv_check_cflags__Werror__Wtrampolines+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS -Wtrampolines"
CFLAGS="$CFLAGS -Werror -Wtrampolines"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -9710,16 +9707,16 @@ main (void)
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
ax_cv_check_cflags___Wtrampolines=yes
ax_cv_check_cflags__Werror__Wtrampolines=yes
else $as_nop
ax_cv_check_cflags___Wtrampolines=no
ax_cv_check_cflags__Werror__Wtrampolines=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Wtrampolines" >&5
printf "%s\n" "$ax_cv_check_cflags___Wtrampolines" >&6; }
if test "x$ax_cv_check_cflags___Wtrampolines" = xyes
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags__Werror__Wtrampolines" >&5
printf "%s\n" "$ax_cv_check_cflags__Werror__Wtrampolines" >&6; }
if test "x$ax_cv_check_cflags__Werror__Wtrampolines" = xyes
then :
BASECFLAGS="$BASECFLAGS -Wtrampolines"
else $as_nop
@ -9727,7 +9724,6 @@ else $as_nop
printf "%s\n" "$as_me: WARNING: -Wtrampolines not supported" >&2;}
fi
esac
case $GCC in
yes)

10
configure.ac
View file

@ -2453,13 +2453,9 @@ AS_VAR_IF([with_strict_overflow], [yes],
# Enable flags that warn and protect for potential security vulnerabilities.
# These flags should be enabled by default for all builds.
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [BASECFLAGS="$BASECFLAGS -Wimplicit-fallthrough"], [AC_MSG_WARN([-Wimplicit-fallthrough not supported])])
AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [BASECFLAGS="$BASECFLAGS -fstack-protector-strong"], [AC_MSG_WARN([-fstack-protector-strong not supported])])
case $CC in
*gcc*)
# Add GCC-specific compiler flags
AX_CHECK_COMPILE_FLAG([-Wtrampolines], [BASECFLAGS="$BASECFLAGS -Wtrampolines"], [AC_MSG_WARN([-Wtrampolines not supported])])
esac
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough], [BASECFLAGS="$BASECFLAGS -Wimplicit-fallthrough"], [AC_MSG_WARN([-Wimplicit-fallthrough not supported])], [-Werror])
AX_CHECK_COMPILE_FLAG([-fstack-protector-strong], [BASECFLAGS="$BASECFLAGS -fstack-protector-strong"], [AC_MSG_WARN([-fstack-protector-strong not supported])], [-Werror])
AX_CHECK_COMPILE_FLAG([-Wtrampolines], [BASECFLAGS="$BASECFLAGS -Wtrampolines"], [AC_MSG_WARN([-Wtrampolines not supported])], [-Werror])
case $GCC in
yes)