Remove -Wall for autogenerated code

There seems to be no option for ttcn3_makefilegen to disable generated
code warnings so the only way to clear output from useless warnings
about indentation and such is to manually strip -Wall using sed.

Change-Id: I7ef141f7f3370a1bf909845ce8a4eb650b33fa81
diff --git a/regen-makefile.sh b/regen-makefile.sh
index a9f8562..5a4dd4c 100755
--- a/regen-makefile.sh
+++ b/regen-makefile.sh
@@ -33,6 +33,9 @@
 # see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=879816 for details
 sed -i -e 's/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include/CPPFLAGS = -D$(PLATFORM) -DMAKEDEPEND_RUN -DUSE_SCTP -I$(TTCN3_DIR)\/include -I\/usr\/include\/titan/' Makefile
 
+#remove -Wall from CXXFLAGS: we're not interested in generic warnings for autogenerated code cluttering the logs
+sed -i -e 's/-Wall//' Makefile
+
 if [ "x$CPPFLAGS_TTCN3" != "x" ]; then
 	sed -i -e 's/CPPFLAGS_TTCN3 =/CPPFLAGS_TTCN3 = '"$CPPFLAGS_TTCN3"'/' Makefile
 fi