[src/trunk]: src/sys/external/bsd/drm2/nouveau Add kludgey nouveau2netbsd scr...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3f2cb746b460
branches:  trunk
changeset: 331215:3f2cb746b460
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Tue Aug 05 17:39:07 2014 +0000

description:
Add kludgey nouveau2netbsd script in preparation for re-import.

diffstat:

 sys/external/bsd/drm2/nouveau/nouveau2netbsd |  112 +++++++++++++++++++++++++++
 1 files changed, 112 insertions(+), 0 deletions(-)

diffs (116 lines):

diff -r d03293e5e10a -r 3f2cb746b460 sys/external/bsd/drm2/nouveau/nouveau2netbsd
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/drm2/nouveau/nouveau2netbsd      Tue Aug 05 17:39:07 2014 +0000
@@ -0,0 +1,112 @@
+#!/bin/sh
+
+#      $NetBSD: nouveau2netbsd,v 1.1 2014/08/05 17:39:07 riastradh Exp $
+#
+# $ /path/to/nouveau2netbsd > /path/to/files.nouveau.new
+#
+# Run from the top-level Nouveau source directory.  This stupid kludge
+# reinterprets the GNU makefile as a BSD makefile to extract the source
+# file names, renames the ones that have obscure and/or colliding
+# basenames to be less obscure and unlikely (though not guaranteed) to
+# collide, and spits out config(5) directives for all of them.
+
+set -Ceu
+
+# Location of the Nouveau sources relative to $NETBSDSRCDIR.
+nouveau_top=external/bsd/drm2/dist/drm/nouveau
+
+# config(5) flag for the Nouveau driver.
+nouveau_flag=nouveau
+
+filemap=
+
+clean ()
+{
+       [ -z "$filemap" ] || rm -f -- "$filemap" || :
+}
+trap clean EXIT HUP INT TERM
+
+filemap="$(mktemp -t ${0##*/})"
+
+cat Makefile                                                           \
+| sed -e 's,^include \(.*\)$,.include "\1",'                           \
+| sed -e 's,^ifdef \(.*\)$,.if !empty(\1:M[yY][eE][sS]),'              \
+| sed -e 's,^endif$,.endif,'                                           \
+| make -f /dev/stdin -V nouveau-y src=.                                        \
+| tr ' ' '\n'                                                          \
+| sed -e 's,^$,,'                                                      \
+| sort -u                                                              \
+| sed -e 's,\.o$,.c,'                                                  \
+| awk '
+       BEGIN {
+               duplicates = 0
+       }
+       $1 ~ "nouveau_[^/]*$" {
+               if (seen[$1])
+                       printf("Duplicate basename: %s\n", $1)
+               seen[$1] = $1
+               printf("%s %s\n", $1, $1)
+               next
+       }
+       {
+               if (index($1, "/")) {
+                       dir = $1
+                       sub("/[^/]*$", "/", dir)
+               } else {
+                       dir = ""
+               }
+               base = $1
+               sub("^core/", "", base)
+               gsub("/", "_", base)
+               if (seen[base]) {
+                       printf("Duplicate basename: %s %s\n", seen[base], $1) \
+                           > "/dev/stderr"
+                       duplicates = 1
+               }
+               if (duplicates)
+                       next
+               seen[base] = $1
+               printf("%s %s\n", $1, dir "nouveau_" base)
+       }
+       END {
+               if (duplicates) {
+                       printf("Time to rewite me!\n") > "/dev/stderr"
+                       exit 1
+               }
+       }
+' >> "$filemap"
+
+while read from to; do
+       if [ "x$from" != "x$to" ]; then
+               mv -f -- "$from" "$to"
+       fi
+        # Probably not necessary -- Linux tends not to have RCS ids --
+        # but a precaution out of paranoia.
+        cleantags "$to"
+       case $to in
+       *.c)
+               awk '
+                       BEGIN {
+                               done = 0
+                               printf("/*\t%c%s%c\t*/\n\n", "$","NetBSD","$")
+                       }
+                       /^#include/ && !done {
+                               printf("#include <sys/cdefs.h>\n")
+                               printf("__KERNEL_RCSID(0, \"%c%s%c\");\n",
+                                   "$","NetBSD","$")
+                               printf("\n")
+                               done = 1
+                       }
+                       {
+                               print
+                       }
+               ' < "$to" > "$to".tmp
+               ;;
+       esac
+       mv -f -- "$to".tmp "$to"
+       printf 'file\t%s\t%s\n' "$nouveau_top/$to" "$nouveau_flag"
+done < "$filemap" | sort
+
+# We sort the output again at the end because we renamed some files but
+# left $TOP/nouveau_* unchanged, so their sort order relative to the
+# ones that got renamed may have changed.