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To detect X11 support dbus uses the autoconf macro AC_PATH_XTRA http://cgit.freedesktop.org/dbus/dbus/tree/configure.ac#n1264 This macro checks for the optional presence of libICE: http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=blob;f=lib/autoconf/libs.m4;h=d2040d731f81fc1693e01d118c45d51ad169d56a;hb=HEAD#l472 quoting dbus configure with libICE not present: checking for IceConnectionNumber in -lICE... no quoting dbus configure with libICE being present: checking for IceConnectionNumber in -lICE... yes The binary usr/bin/dbus-launch is being linked to libICE and libSM if the packages are available: $ output/host/usr/bin/i586-buildroot-linux-uclibc-readelf -a output/target/usr/bin/dbus-launch | grep NEEDED 0x00000001 (NEEDED) Shared library: [libdbus-1.so.3] 0x00000001 (NEEDED) Shared library: [libSM.so.6] 0x00000001 (NEEDED) Shared library: [libICE.so.6] 0x00000001 (NEEDED) Shared library: [libX11.so.6] 0x00000001 (NEEDED) Shared library: [libc.so.1] To get a reproducable build add libSM as optional dependency to dbus, libSM pulls in the dependency to libICE. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC.