document MAKE_FLAGS and MAKE_VARS

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6385 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/docs/build.tex b/docs/build.tex
index 553ddb1..d5e9bb4 100644 (file)
--- a/docs/build.tex
+++ b/docs/build.tex
@@ -337,6 +337,15 @@ directly as the Nth argument to \texttt{BuildPackage}.
 
 \textbf{\texttt{Build/Compile} (optional):} \\
    How to compile the source; in most cases you should leave this undefined.
+   
+   As with \texttt{Build/Configure} there are two variables that allow you to override
+   the make command line environment variables and flags:
+   \begin{itemize}
+     \item \texttt{MAKE\_FLAGS} \\
+          Contains all command line arguments (typically variable overrides like \texttt{NAME="value"}
+        \item \texttt{MAKE\_VARS} \\
+          Contains all environment variables that are passed to the make command
+   \end{itemize}
 
 \textbf{\texttt{Package/\textit{<name>}/install}:} \\
    A set of commands to copy files out of the compiled source and into the ipkg