ADDED   arch/posix/errnos
Index: arch/posix/errnos
==================================================================
--- arch/posix/errnos
+++ arch/posix/errnos
@@ -0,0 +1,11 @@
+EPERM
+EINVAL
+EBADF
+EFAULT
+ENOSPC
+EDQUOT
+EIO
+EAGAIN
+EFBIG
+EINTR
+EDESTADDRREQ

Index: build.sh
==================================================================
--- build.sh
+++ build.sh
@@ -184,28 +184,29 @@
 	# awk scripts can handle and turn into a list of constants.
 	echo '#include <sys/syscall.h>' > $gen/system_calls.t.1 # this is the magic part
 	cat arch/posix/syscalls > $gen/system_calls.t.2
 	sed -e 's;^\(.*\)$;\1 SYS_\1;' -i $gen/system_calls.t.2
 	cat $gen/system_calls.t.1 $gen/system_calls.t.2 | cpp -P >$gen/system_calls.tbl
+
+	# generate errno tables the same way
+	echo '#include <errno.h>' > $gen/error_codes.t.1 # this is the magic part
+	cat arch/posix/errnos > $gen/error_codes.t.2
+	sed -e 's;^\(.*\)$;k_platform_error_\1 \1;' -i $gen/error_codes.t.2
+	cat $gen/error_codes.t.1 $gen/error_codes.t.2 | cpp -P | grep "^k_platform_error" >$gen/error_codes.tbl # haaaack
 else
 	case $os in
-		# lin) grep -h "#define __NR_" $p_headers_syscall | sed 's;^#define __NR_;;' > $gen/system_calls.tbl;;
-		# fbsd) grep -h "#define	SYS_" $p_headers_syscall | sed 's;^#define	SYS_;;' | sed 's;[\t ]\+; ;' > $gen/system_calls.tbl;;
 		*) noimpl 'system call table generation';;
 	esac
 fi
-# cat $p_headers_syscall $gen/system_calls.tbl | cpp -P |
+
+# take the OS-specific system call tables that have been prepared
+# for us above and feed them into awk scripts to generate C headers
 awk -f arch/syscall.awk -v out=s <$gen/system_calls.tbl>$gen/system_calls.s
-# cat $p_headers_syscall $gen/system_calls.tbl | cpp -P |
 awk -f arch/syscall.awk -v out=h <$gen/system_calls.tbl>$gen/system_calls.h
 
-# generate errno tables
-grep -h "#[ 	]*define[ 	]\+E" $p_headers_errno |
-	sed 's;^#[\t ]*define[\t ]\+\(E[A-Z0-9]\+\).*$;k_platform_error_\1 \1;' >\
-	$gen/error_names.tbl
-cat $p_headers_errno $gen/error_names.tbl | cpp -P >$gen/error_numbers.tbl
-awk -f arch/errtbl.awk <$gen/error_numbers.tbl >$gen/error_table.h
+# do the same with our error codes table
+awk -f arch/errtbl.awk <$gen/error_codes.tbl >$gen/error_table.h
 
 # generate symbol tables for error handling functions
 mkdir -p "$to/k"
 awk -f global/gen-conds.awk <global/modules >$to/k/internal.egroup.h
 awk -f global/gen-ident.awk <global/modules >$gen/internal.ident.c