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Autoconf build: Fix the invalid test for '-Wno-deprecated-copy' flag
(shamelessly stolen from c26db650a1
, which was for cmake build)
The original test was always successfull, even if the flag was invalid.
But checking for '-Wdeprecated-copy' instead yields to error if the
warning does not exist. Existent warning for 'deprecated-copy' implies
that 'no-deprecated-copy' also exist.
This commit is contained in:
parent
c26db650a1
commit
c52049bb83
@ -390,8 +390,8 @@ if test x$GXX = xyes; then
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dnl Shut off warning -Wdeprecated-copy, which triggers too much
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dnl Shut off warning -Wdeprecated-copy, which triggers too much
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dnl note that g++ always accepts -Wno-xxx, even when -Wxxx is an error.
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dnl note that g++ always accepts -Wno-xxx, even when -Wxxx is an error.
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AC_LANG_PUSH(C++)
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AC_LANG_PUSH(C++)
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AX_CHECK_COMPILE_FLAG([-Wno-deprecated-copy],
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AX_CHECK_COMPILE_FLAG([-Wdeprecated-copy],
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[AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-copy"], [], [-Werror])
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[AM_CXXFLAGS="$AM_CXXFLAGS -Wno-deprecated-copy"])
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AC_LANG_POP(C++)
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AC_LANG_POP(C++)
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fi
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fi
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case $gxx_version in
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case $gxx_version in
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