Add -Wno-unknown-warning-option to libvgz cocktail, to deal with older clangs.

d2d31263 · Poul-Henning Kamp · e41b6ca0 · d2d31263
Commit d2d31263 authored Jan 30, 2023 by Poul-Henning Kamp
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configure.ac configure.ac +1 -1

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--- a/configure.ac
+++ b/configure.ac
@@ -256,7 +256,7 @@ else
 fi

 # zlib-specific flags
-libvgz_extra_cflags="-Wno-error=strict-prototypes"
+libvgz_extra_cflags="-Wno-error=strict-prototypes -Wno-unknown-warning-option"

 dnl https://github.com/madler/zlib/issues/633
 libvgz_extra_cflags="$libvgz_extra_cflags -Wno-error=deprecated-non-prototype"