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Merge bitcoin/bitcoin#22258: build: Disable deprecated-copy warning only when external warnings are enabled

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1111457d7433c2cca1d7e98946f6954e3a0280ef build: Disable deprecated-copy warning only when external warnings are enabled (MarcoFalke)

Pull request description:

  Fixes https://github.com/bitcoin/bitcoin/issues/18967

  Alternative to https://github.com/bitcoin/bitcoin/pull/22240

ACKs for top commit:
  fanquake:
    tACK 1111457d7433c2cca1d7e98946f6954e3a0280ef

Tree-SHA512: 0fc826f26ebbeab662fa7eed2a5cc1630c6c4e612deb91734885fc8bae0352be657ec48ae94ff55a984ac36d27b95cea8d947cc5cf408231d56addecf79db83f
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fanquake 2021-06-17 11:44:06 +08:00 committed by pasta
parent f9c8136f80
commit 2e19dd24ff
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GPG Key ID: 52527BEDABE87984
1 changed files with 3 additions and 1 deletions
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2
configure.ac
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@ -482,8 +482,10 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
AX_CHECK_COMPILE_FLAG([-Wself-assign],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-self-assign"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]])
AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-implicit-fallthrough"],,[[$CXXFLAG_WERROR]])
if test x$suppress_external_warnings != xyes ; then
AX_CHECK_COMPILE_FLAG([-Wdeprecated-copy],[NOWARN_CXXFLAGS="$NOWARN_CXXFLAGS -Wno-deprecated-copy"],,[[$CXXFLAG_WERROR]])
fi
fi
dnl Don't allow extended (non-ASCII) symbols in identifiers. This is easier for code review.
AX_CHECK_COMPILE_FLAG([-fno-extended-identifiers],[[CXXFLAGS="$CXXFLAGS -fno-extended-identifiers"]],,[[$CXXFLAG_WERROR]])