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cd770a8808
Otherwise clang will complain about all the -I directives it doesn't use.
27 lines
623 B
Plaintext
27 lines
623 B
Plaintext
AC_DEFUN([AX_QUNUSED_ARGUMENTS_FLAG],[
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AC_CACHE_CHECK([for the compiler flag "-Qunused-arguments"], [ax_cv_qunused_arguments_flag],[
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CXXFLAGS_SAVED=$CXXFLAGS
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CXXFLAGS="$CXXFLAGS -Qunused-arguments"
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export CXXFLAGS
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AC_LANG_PUSH(C++)
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AC_TRY_COMPILE(
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[],
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[1;],
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[ax_cv_qunused_arguments_flag="yes"],
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[ax_cv_qunused_arguments_flag="no"])
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AC_LANG_POP
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CXXFLAGS="$CXXFLAGS_SAVED"
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])
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QUNUSED_ARGUMENTS=""
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if test x"$ax_cv_qunused_arguments_flag" = xyes ; then
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QUNUSED_ARGUMENTS="-Qunused-arguments"
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fi
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AC_SUBST(QUNUSED_ARGUMENTS)
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])
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AX_QUNUSED_ARGUMENTS_FLAG
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