-- | This predicates tells us whether the OS supports ELF-like shared libraries.
osElfTarget :: OS -> Bool
-osElfTarget OSLinux = True
-osElfTarget OSFreeBSD = True
-osElfTarget OSOpenBSD = True
+osElfTarget OSLinux = True
+osElfTarget OSFreeBSD = True
+osElfTarget OSOpenBSD = True
osElfTarget OSSolaris2 = True
-osElfTarget _ = False
+osElfTarget OSDarwin = False
+osElfTarget OSMinGW32 = False
+osElfTarget OSUnknown = panic "Don't know if OSUnknown is elf"
+
-- | This is the target platform as far as the #ifdefs are concerned.
-- These are set in includes/ghcplatform.h by the autoconf scripts