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-rw-r--r--ports/mman/usage4
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diff --git a/ports/mman/usage b/ports/mman/usage
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+The mman.h header deployed by mman is placed in mman/sys/mman.h to avoid accidental inclusion.
+
+ find_path(MMAN_DIR NAMES sys/mman.h PATH_SUFFIXES mman)
+ target_include_directories(main PRIVATE ${MMAN_DIR})