b=11875

modify top-level lnet/include/libcfs/libcfs.h,kp30.h,portals_utils.h
files to conditionally include header files for solaris port.

create Solaris port files and shared posix-*.[ch] files for both
Linux and Solaris ports.

The posix-*.[ch] files are currently noop
(posix threads API calls should be added there).

build/autoconf/lustre-build.m4

@@ -488,7 +488,7 @@ AC_SUBST(SYSIO)
 
 LB_LINUX_CONDITIONALS
 LB_DARWIN_CONDITIONALS
-LB_SUNOS_CONDITIONALS
+# LB_SUNOS_CONDITIONALS
 
 LN_CONDITIONALS
 LC_CONDITIONALS