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8323008: filter out harmful -std* flags added by autoconf from CXX

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Reviewed-by: erikj, clanger, ihse
This commit is contained in:
Matthias Baesken 2024-01-12 12:29:07 +00:00
parent 7dc9dd6fdf
commit 68c4286026
2 changed files with 8 additions and 4 deletions
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6
make/autoconf/toolchain.m4
View File

@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
@ -389,6 +389,10 @@ AC_DEFUN_ONCE([TOOLCHAIN_POST_DETECTION],
# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
CFLAGS="$ORG_CFLAGS"
CXXFLAGS="$ORG_CXXFLAGS"
# filter out some unwanted additions autoconf may add to CXX; we saw this on macOS with autoconf 2.72
UTIL_GET_NON_MATCHING_VALUES(cxx_filtered, $CXX, -std=c++11 -std=gnu++11)
CXX="$cxx_filtered"
])
# Check if a compiler is of the toolchain type we expect, and save the version

6
make/autoconf/util.m4
View File

@ -1,5 +1,5 @@
#
# Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
# Copyright (c) 2011, 2024, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
@ -199,7 +199,7 @@ AC_DEFUN([UTIL_GET_NON_MATCHING_VALUES],
if test -z "$legal_values"; then
$1="$2"
else
result=`$GREP -Fvx "$legal_values" <<< "$values_to_check" | $GREP -v '^$'`
result=`$GREP -Fvx -- "$legal_values" <<< "$values_to_check" | $GREP -v '^$'`
$1=${result//$'\n'/ }
fi
])
@ -226,7 +226,7 @@ AC_DEFUN([UTIL_GET_MATCHING_VALUES],
if test -z "$illegal_values"; then
$1=""
else
result=`$GREP -Fx "$illegal_values" <<< "$values_to_check" | $GREP -v '^$'`
result=`$GREP -Fx -- "$illegal_values" <<< "$values_to_check" | $GREP -v '^$'`
$1=${result//$'\n'/ }
fi
])