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authorShiz <hi@shiz.me>2015-05-28 05:52:22 +0200
committerRich Felker <dalias@aerifal.cx>2015-05-28 00:08:13 -0400
commitfc431d3f76bb9bde34a89e4a3e4d0c27de959855 (patch)
treeffffc8d5e72e6283515ecf32cdf3e8bcbd7f39c8 /include/sys/param.h
parentaeeac9ca5490d7d90fe061ab72da446c01ddf746 (diff)
downloadmusl-fc431d3f76bb9bde34a89e4a3e4d0c27de959855.tar.gz
configure: work around compilers that merely warn for unknown options
some compilers (such as clang) accept unknown options without error, but then print warnings on each invocation, cluttering the build output and burying meaningful warnings. this patch makes configure's tryflag and tryldflag functions use additional options to turn the unknown-option warnings into errors, if available, but only at check time. these options are not output in config.mak to avoid the risk of spurious build breakage; if they work, they will have already done their job at configure time.
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