[latexila] build: add -w to the CPPFLAGS when compiling the code generated by valac

[Sébastien Wilmet <swilmet src gnome org>]

commit 0a27943d0ac20707ea0a4abce413c9376eb2dbf7
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Nov 1 13:57:19 2016 +0100

    build: add -w to the CPPFLAGS when compiling the code generated by valac

 src/Makefile.am |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index 6481dd2..a424ba2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -69,12 +69,17 @@ latexila_SOURCES =                          \
        $(vapidir)/gedit.vapi                   \
        $(vapidir)/menu_tool_action.vapi
 
+# -w: silence all warnings, because we already have the valac warnings. The
+# generated C code currently triggers a lot of warnings because deprecated
+# functions are used. So by silencing the GCC warnings, we can more easily
+# scroll up the build output to see the valac warnings.
 latexila_CPPFLAGS =                    \
        -I$(top_srcdir)                 \
        -I$(srcdir)/gedit               \
        -I$(srcdir)/liblatexila         \
        -I$(builddir)/liblatexila       \
-       -include config.h
+       -include config.h               \
+       -w
 
 latexila_LDADD =                       \
        gedit/libgedit.la               \