[FE training-materials-updates] makefile: factorize the Makefile generation logic

[Maxime Ripard]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=1b0f9f2be15bce516ef0150cbdcc0caf1613144c

>---------------------------------------------------------------

commit 1b0f9f2be15bce516ef0150cbdcc0caf1613144c
Author: Maxime Ripard <maxime.ripard at free-electrons.com>
Date:   Tue Jul 22 18:25:22 2014 +0200

    makefile: factorize the Makefile generation logic
    
    Up until now, unlike the slides, the labs had a simple switch-like logic to set
    the variables and files to use.
    
    Create a common and dynamic version of this by parsing the file we actually
    want to parse.
    
    Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>


>---------------------------------------------------------------

1b0f9f2be15bce516ef0150cbdcc0caf1613144c
 Makefile |   21 ++++-----------------
 1 file changed, 4 insertions(+), 17 deletions(-)

diff --git a/Makefile b/Makefile
index a5929cd..73519b5 100644
--- a/Makefile
+++ b/Makefile
@@ -430,25 +430,12 @@ endif
 #
 
 ifdef LABS
+ifeq ($(firstword $(subst -, , $(LABS))),full)
+LABS_TRAINING      = $(lastword $(subst -, , $(LABS)))
 LABS_HEADER        = common/labs-header.tex
+LABS_VARSFILE      = common/$(LABS_TRAINING)-labs-vars.tex
+LABS_CHAPTERS      = $($(call UPPERCASE, $(LABS_TRAINING))_LABS)
 LABS_FOOTER        = common/labs-footer.tex
-# Compute the set of chapters to build depending on the name of the
-# PDF file that was requested.
-ifeq ($(LABS),full-kernel)
-LABS_VARSFILE      = common/kernel-labs-vars.tex
-LABS_CHAPTERS      = $(KERNEL_LABS)
-else ifeq ($(LABS),full-sysdev)
-LABS_VARSFILE      = common/sysdev-labs-vars.tex
-LABS_CHAPTERS      = $(SYSDEV_LABS)
-else ifeq ($(LABS),full-android)
-LABS_VARSFILE      = common/android-labs-vars.tex
-LABS_CHAPTERS      = $(ANDROID_LABS)
-else ifeq ($(LABS),full-boottime)
-LABS_VARSFILE      = common/boottime-labs-vars.tex
-LABS_CHAPTERS      = $(BOOTTIME_LABS)
-else ifeq ($(LABS),full-yocto)
-LABS_VARSFILE      = common/yocto-labs-vars.tex
-LABS_CHAPTERS      = $(YOCTO_LABS)
 else
 LABS_VARSFILE      = common/single-lab-vars.tex
 LABS_CHAPTERS      = $(LABS)