lib/ExtUtils/Command.t See if ExtUtils::Command works (Win32 only)
lib/ExtUtils/Constant.pm generate XS code to import C header constants
lib/ExtUtils/Embed.pm Utilities for embedding Perl in C programs
+lib/ExtUtils/Embed.t See if ExtUtils::Embed and embedding works
lib/ExtUtils/inst Give information about installed extensions
lib/ExtUtils/Install.pm Handles 'make install' on extensions
lib/ExtUtils/Installed.pm Information on installed extensions