makepkg: Add CPPFLAGS support

Add CPPFLAGS support in addition to the current CFLAGS and CXXFLAGS.
This keeps compiler flags split up in the same logical way done
everywhere else.

Signed-off-by: Allan McRae <allan@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/makepkg.conf.5.txt b/doc/makepkg.conf.5.txt
index 5970946d..de2b4b42 100644
--- a/doc/makepkg.conf.5.txt
+++ b/doc/makepkg.conf.5.txt
@@ -51,6 +51,9 @@ Options
 	A string such as ``i686-pc-linux-gnu'', do not touch unless you know what
 	you are doing. This can be commented out by most users if desired.
 
+**CPPFLAGS=**"cppflags"::
+	Flags used for the C preprocessor; see CFLAGS for more info.
+
 **CFLAGS=**"cflags"::
 	Flags used for the C compiler. This is a key part to the use of makepkg.
 	Usually several options are specified, and the most common string resembles