Bug 738302 - Avoid building the libunwind docs so that b2g can be built again; r=BenWa

tools/profiler/Makefile.in

@@ -69,6 +69,8 @@ SHARED_LIBRARY_LIBS += \
   $(NULL)
 
 export::
+	# Avoid building libunwind documentation
+	$(topsrcdir)/tools/profiler/libunwind/dont_build_docs.sh $(DEPTH)/tools/profiler/libunwind/src/doc/Makefile
 	$(call SUBMAKE,,libunwind/src)
 
 distclean::

tools/profiler/libunwind/dont_build_docs.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+# Edit the doc Makefile to just echo the commands
+sed -e 's/latex2man/echo/' -e 's/pdflatex/echo/' -i "$1"