Suppress cross tool warning for pkg-config [ci skip]
It is used from mkmf.rb on target environments.
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@ -524,7 +524,9 @@ AS_IF([test "$cross_compiling:$ac_cv_prog_DTRACE" = no: -a -n "$ac_tool_prefix"]
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AC_CHECK_PROGS(DOT, dot)
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AC_CHECK_PROGS(DOT, dot)
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AC_CHECK_PROGS(DOXYGEN, doxygen)
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AC_CHECK_PROGS(DOXYGEN, doxygen)
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tool_warned=$ac_tool_warned ac_tool_warned=no
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AC_CHECK_TOOL(PKG_CONFIG, pkg-config)
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AC_CHECK_TOOL(PKG_CONFIG, pkg-config)
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ac_tool_warned=$tool_warned
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AS_IF([test -z "$PKG_CONFIG"], [],
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AS_IF([test -z "$PKG_CONFIG"], [],
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["$PKG_CONFIG" --print-errors --version > /dev/null 2>&1], [],
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["$PKG_CONFIG" --print-errors --version > /dev/null 2>&1], [],
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[
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[
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