Difference between revisions of "Using GPL Code"
(updating links) |
(how to update feeds) |
||
| Line 58: | Line 58: | ||
Escape out of the menus, and save your changes. | Escape out of the menus, and save your changes. | ||
| + | |||
| + | ===== Updating Feeds ===== | ||
| + | Feeds (the sources for all 3rd party packages) now use git, not svn, so you need to change the packages url: | ||
| + | |||
| + | <code><pre> | ||
| + | $ diff -rub feeds.conf{.default,} | ||
| + | --- feeds.conf.default 2016-04-19 14:15:30.910259634 -0400 | ||
| + | +++ feeds.conf 2016-04-19 17:39:49.826997677 -0400 | ||
| + | @@ -1,4 +1,4 @@ | ||
| + | -src-svn packages svn://svn.openwrt.org/openwrt/branches/packages_12.09 | ||
| + | +src-git packages git://git.openwrt.org/12.09/packages.git | ||
| + | src-svn xwrt http://x-wrt.googlecode.com/svn/trunk/package | ||
| + | src-svn luci http://svn.luci.subsignal.org/luci/branches/luci-0.11/contrib/package | ||
| + | src-git routing git://github.com/openwrt-routing/packages.git;for-12.09.x | ||
| + | </pre></code> | ||
| + | |||
| + | Then you can update and install the feeds (per [https://wiki.openwrt.org/doc/howto/build#updating_feeds]): | ||
| + | |||
| + | <code><pre> | ||
| + | ./scripts/feeds update -a | ||
| + | ./scripts/feeds install -a | ||
| + | </pre></code> | ||
===== Compiling Packages ===== | ===== Compiling Packages ===== | ||
Revision as of 15:50, 3 June 2016
First you must download the GPL code (from the URL found in the forums) and the SDK.
Then, if you're running on an 64bit OS, you may need to patch m4 and bison.
Contents
Patching Tools
You will be creating patches directories in tools/m4/ and tools/bison, and adding the following files.
cd $GPL_DIR
mkdir tools/m4/patches tools/bison/patches
tools/m4/patches/010-stdio.in.h.patch
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -141,7 +141,8 @@ _GL_WARN_ON_USE (fflush, "fflush is not
so any use of gets warrants an unconditional warning. Assume it is
always declared, since it is required by C89. */
#undef gets
-_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+/*_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");*/
+#define gets(a) fgets( a, sizeof(*(a)), stdin)
#if @GNULIB_FOPEN@
# if @REPLACE_FOPEN@
tools/bison/patches/010-stdio.in.h.patch
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -143,7 +143,8 @@ _GL_WARN_ON_USE (fflush, "fflush is not
so any use of gets warrants an unconditional warning. Assume it is
always declared, since it is required by C89. */
#undef gets
-_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");
+/*_GL_WARN_ON_USE (gets, "gets is a security hole - use fgets instead");*/
+#define gets(a) fgets( a, sizeof(*(a)), stdin)
#if @GNULIB_FOPEN@
# if @REPLACE_FOPEN@
Configuring Build Environment
Assuming you are using the GPL code and SDK toolchain, you need to tell the GPL code where to look (GPL_DIR is where you extracted the GPL code and TOOLCHAIN_DIR is where you have extracted the SDK). You will need to go into the OpenWRT configuration, then set the 3 external toolchain variables to point to the SDK.
cd $GPL_DIR
make menuconfig
Advanced configuration options (for developers) --->
Use external toolchain ---> (check this (<space>), then click to enter (<enter>))
(arm-openwrt-linux) Target name
(arm-openwrt-linux-) Toolchain prefix
(TOOLCHAIN_DIR/toolchain-arm_gcc-4.5.1+l_uClibc-0.9.32_eabi) Toolchain root
Escape out of the menus, and save your changes.
Updating Feeds
Feeds (the sources for all 3rd party packages) now use git, not svn, so you need to change the packages url:
$ diff -rub feeds.conf{.default,}
--- feeds.conf.default 2016-04-19 14:15:30.910259634 -0400
+++ feeds.conf 2016-04-19 17:39:49.826997677 -0400
@@ -1,4 +1,4 @@
-src-svn packages svn://svn.openwrt.org/openwrt/branches/packages_12.09
+src-git packages git://git.openwrt.org/12.09/packages.git
src-svn xwrt http://x-wrt.googlecode.com/svn/trunk/package
src-svn luci http://svn.luci.subsignal.org/luci/branches/luci-0.11/contrib/package
src-git routing git://github.com/openwrt-routing/packages.git;for-12.09.x
Then you can update and install the feeds (per [1]):
./scripts/feeds update -a
./scripts/feeds install -a
Compiling Packages
You can use the instructions at [2]
For example for recompiling udev (a simpler package without dependencies):
make tools/install
make toolchain/install
make package/udev/compile
After the first time, only the last command needs to be run. Then the package can be found in bin/g2/packages. You can also do make menuconfig and choose the packages you want to build, then just run make package/install.
Compiling All Packages
Not really recommended, but if you want to do so:
cd $GPL_DIR
make menuconfig
Global build settings --->
[*] Select all packages by default
Exit & Save
./scripts/feeds update -a
./scripts/feeds install -a
make menuconfig
Exit & Save
IGNORE_ERRORS=y make
IGNORE_ERRORS=y make package/compile
Here is a short script that tries a little harder to compile all packages (instead of the last two lines above). Place it in the GPL_DIR:
#!/bin/bash
if [ "$1" != "-f" ] ; then
IGNORE_ERRORS=y make -j 7 2>&1| tee errors.txt
IGNORE_ERRORS=y make package/compile 2>&1| tee -a errors.txt
fi
for i in $(grep "failed to build" errors.txt | sed 's/^.*ERROR:[[:space:]]*\([^[:space:]]*\) failed to build.*$/\1/') ; do
if [ "$i" != "" ] ; then
echo Compiling: ${i}
i="package/${i##*/}"
make ${i}/compile V=99 > build_${i##*/}.txt 2>&1 || echo ${i} : Build failed, see build_${i##*/}.txt
fi
done
Note: Some packages try to look for libraries in hardcoded places, so this can help:
ln -s $TOOLCHAIN_DIR/lib/* $TOOLCHAIN_DIR/usr/lib/
ln -s $TOOLCHAIN_DIR/bin $TOOLCHAIN_DIR/usr/bin
