[CMake] Possible 'brief' output options for UnixMakefileGenerator

[Campbell Barton]

Hi, I'm STILL trying to have CMake makefiles replace Blender's hand
crafted makefiles.

Now the main sticking point with 2 other developers is they don't like
CMakes output, as its overly verbose.

I realize CMake doesn't need to bend to the whim of all users but
wondering if we could have something like  RULE_BRIEF_OUTPUT

Rather then printing progress and full path for all files it could
skip percentage and use a relative path for each C file.

I can try submitting a patch but would first like to know if this
would be acceptable.

how it looks now...
--- snip
Scanning dependencies of target bf_editor_animation
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_channels_defines.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_channels_edit.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_deps.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_filter.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_ipo_utils.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/anim_markers.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/drivers.c.o
[  0%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/fmodifier_ui.c.o
[  1%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/keyframes_draw.c.o
[  1%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/keyframes_edit.c.o
[  1%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/keyframes_general.c.o
[  1%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/keyframing.c.o
[  1%] Building C object
source/blender/editors/animation/CMakeFiles/bf_editor_animation.dir/keyingsets.c.o
Linking C static library ../../../../lib/libbf_editor_animation.a
[  1%] Built target bf_editor_animation
Scanning dependencies of target bf_editor_armature
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/armature_ops.c.o
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/editarmature.c.o
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/editarmature_generate.c.o
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/editarmature_retarget.c.o
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/editarmature_sketch.c.o
[  1%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/poseSlide.c.o
[  2%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/poseUtils.c.o
[  2%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/poselib.c.o
[  2%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/poseobject.c.o
[  2%] Building C object
source/blender/editors/armature/CMakeFiles/bf_editor_armature.dir/reeb.c.o
Linking C static library ../../../../lib/libbf_editor_armature.a
[  2%] Built target bf_editor_armature
Scanning dependencies of target bf_editor_curve
[  2%] Building C object
source/blender/editors/curve/CMakeFiles/bf_editor_curve.dir/curve_ops.c.o
[  2%] Building C object
source/blender/editors/curve/CMakeFiles/bf_editor_curve.dir/editcurve.c.o
[  2%] Building C object
source/blender/editors/curve/CMakeFiles/bf_editor_curve.dir/editfont.c.o
Linking C static library ../../../../lib/libbf_editor_curve.a
[  2%] Built target bf_editor_curve
[  5%] Built target bf_editor_datafiles
---

What it could look like...
--- snip
Entering 'source/blender/editors/animation'
 anim_channels_defines.c
 anim_channels_edit.c
 anim_deps.c
 anim_filter.c
 anim_ipo_utils.c
 anim_markers.c
 drivers.c
 fmodifier_ui.c
 keyframes_draw.c
 keyframes_edit.c
 keyframes_general.c
 keyframing.c
 keyingsets.c
Linking C static library ../../../../lib/libbf_editor_animation.a
[  1%] Built target bf_editor_animation
Entering 'source/blender/editors/armature'
 armature_ops.c
 editarmature.c
 editarmature_generate.c
 editarmature_retarget.c
 editarmature_sketch.c
 poseSlide.c
 poseUtils.c
 poselib.c
 poseobject.c
 reeb.c
Linking C static library ../../../../lib/libbf_editor_armature.a
[  2%] Built target bf_editor_armature
Entering 'source/blender/editors/curve'
 curve_ops.c
 editcurve.c
 editfont.c
Linking C static library ../../../../lib/libbf_editor_curve.a
[  2%] Built target bf_editor_curve
[  5%] Built target bf_editor_datafiles
---

-- 
- Campbell