upgrade the ixp4xx ethernet driver to v0.3.1, split the Gateway 7001 support to two...

[openwrt.git] / docs / build.tex

diff --git a/docs/build.tex b/docs/build.tex
index 1335c81..bfdfc2b 100644 (file)
--- a/docs/build.tex
+++ b/docs/build.tex
@@ -45,11 +45,11 @@ This article refers to the "Kamikaze" branch of OpenWrt, which can be downloaded
 subversion using the following command:
 
 \begin{Verbatim}
 subversion using the following command:
 
 \begin{Verbatim}

-$ svn co https://svn.openwrt.org/openwrt/trunk kamikaze
+$ svn checkout https://svn.openwrt.org/openwrt/trunk kamikaze

 \end{Verbatim}
 
 \end{Verbatim}
 

-Additionally, ther is a trac interface on \href{https://dev.openwrt.org/}{https://dev.openwrt.org/}
-which can be used to monitor svn commits and browse the sources.
+Additionally, there is a trac interface on \href{https://dev.openwrt.org/}{https://dev.openwrt.org/}
+which can be used to monitor svn commits and browse the source repository.

 
 
 \subsubsection{The directory structure}
 
 
 \subsubsection{The directory structure}


@@ -83,7 +83,7 @@ features or removed to save space. Note that packages are also maintained outsid
 trunk and can be obtained from subversion at the following location:
 
 \begin{Verbatim}
 trunk and can be obtained from subversion at the following location:
 
 \begin{Verbatim}

-$ svn co https://svn.openwrt.org/openwrt/packages ../packages
+$ svn checkout https://svn.openwrt.org/openwrt/packages packages

 \end{Verbatim}
 
 Those packages can be used to extend the functionality of the build system and need to be
 \end{Verbatim}
 
 Those packages can be used to extend the functionality of the build system and need to be


@@ -102,11 +102,10 @@ To include all packages, issue the following command:
 $ ln -s packages/*/* kamikaze/package/
 \end{Verbatim}
 
 $ ln -s packages/*/* kamikaze/package/
 \end{Verbatim}
 

-

 \texttt{target} refers to the embedded platform, this contains items which are specific to
 a specific embedded platform. Of particular interest here is the "\texttt{target/linux}"
 \texttt{target} refers to the embedded platform, this contains items which are specific to
 a specific embedded platform. Of particular interest here is the "\texttt{target/linux}"

-directory which is broken down by platform and contains the kernel config and patches
-to the kernel for a particular platform. There's also the "\texttt{target/image}" directory
+directory which is broken down by platform \textit{<arch>} and contains the patches to the
+kernel, profile config, for a particular platform. There's also the "\texttt{target/image}" directory

 which describes how to package a firmware for a specific platform.
 
 Both the target and package steps will use the directory "\texttt{build\_\textit{<arch>}}"
 which describes how to package a firmware for a specific platform.
 
 Both the target and package steps will use the directory "\texttt{build\_\textit{<arch>}}"


@@ -186,7 +185,7 @@ in OpenWrt you'll find two things:
 \begin{itemize}
     \item \texttt{package/\textit{<name>}/Makefile}
     \item \texttt{package/\textit{<name>}/patches}
 \begin{itemize}
     \item \texttt{package/\textit{<name>}/Makefile}
     \item \texttt{package/\textit{<name>}/patches}

-       \item \texttt{package/\textit{<name>}/files}
+    \item \texttt{package/\textit{<name>}/files}

 \end{itemize}
 
 The patches directory is optional and typically contains bug fixes or optimizations to
 \end{itemize}
 
 The patches directory is optional and typically contains bug fixes or optimizations to


@@ -307,7 +306,9 @@ directly as the Nth argument to \texttt{BuildPackage}.
         \item \texttt{MAINTAINER} (optional) \\
             Who to contact concerning the package
         \item \texttt{DEPENDS} (optional) \\
         \item \texttt{MAINTAINER} (optional) \\
             Who to contact concerning the package
         \item \texttt{DEPENDS} (optional) \\

-            Which packages must be built/installed before this package. To reference a dependency defined in the same Makefile, use \textit{<dependency name>}. If defined as an external package, use \textit{+<dependency name>}. For a kernel version dependency use: \textit{@LINUX\_2\_<minor version>}
+            Which packages must be built/installed before this package. To reference a dependency defined in the
+                       same Makefile, use \textit{<dependency name>}. If defined as an external package, use 
+                       \textit{+<dependency name>}. For a kernel version dependency use: \textit{@LINUX\_2\_<minor version>}

     \end{itemize}
 
 \textbf{\texttt{Package/\textit{<name>}/conffiles} (optional):} \\
     \end{itemize}
 
 \textbf{\texttt{Package/\textit{<name>}/conffiles} (optional):} \\


@@ -321,10 +322,29 @@ directly as the Nth argument to \texttt{BuildPackage}.
    You can leave this undefined if the source doesn't use configure or has a
    normal config script, otherwise you can put your own commands here or use
    "\texttt{\$(call Build/Configure/Default,\textit{<first list of arguments, second list>})}" as above to
    You can leave this undefined if the source doesn't use configure or has a
    normal config script, otherwise you can put your own commands here or use
    "\texttt{\$(call Build/Configure/Default,\textit{<first list of arguments, second list>})}" as above to

-   pass in additional arguments for a standard configure script. The first list of arguments will be passed to the configure script like that: $--arg 1$ $--arg 2$. The second list contains arguments that should be defined before running the configure script such as autoconf or compiler specific variables.
+   pass in additional arguments for a standard configure script. The first list of arguments will be passed
+   to the configure script like that: \texttt{--arg 1} \texttt{--arg 2}. The second list contains arguments that should be
+   defined before running the configure script such as autoconf or compiler specific variables.
+   
+   To make it easier to modify the configure command line, you can either extend or completely override the following variables:
+   \begin{itemize}
+     \item \texttt{CONFIGURE\_ARGS} \\
+            Contains all command line arguments (format: \texttt{--arg 1} \texttt{--arg 2})
+     \item \texttt{CONFIGURE\_VARS} \\
+            Contains all environment variables that are passed to ./configure (format: \texttt{NAME="value"})
+   \end{itemize}

 
 \textbf{\texttt{Build/Compile} (optional):} \\
    How to compile the source; in most cases you should leave this undefined.
 
 \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
 
 \textbf{\texttt{Package/\textit{<name>}/install}:} \\
    A set of commands to copy files out of the compiled source and into the ipkg