fix clang build not seeing some libc prototypes throwing build warnings
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@ -464,6 +464,13 @@ intel)
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fi
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COMP_VENDOR_LDFLAGS=
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;;
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clang*)
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COMP_VENDOR_CFLAGS="-D_XOPEN_SOURCE=700 -std=c99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes $COMP_VENDOR_CFLAGS"
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if test x"$ac_cv_gcc_unused_but_set_variable" = xyes ; then
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COMP_VENDOR_CFLAGS="-Wunused-but-set-variable $COMP_VENDOR_CFLAGS"
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fi
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COMP_VENDOR_LDFLAGS=
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;;
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*)
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COMP_VENDOR_CFLAGS="-std=c99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes $COMP_VENDOR_CFLAGS"
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if test x"$ac_cv_gcc_unused_but_set_variable" = xyes ; then
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