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Currently, assigning to BR_NO_CHECK_HASH_FOR but referencing variable
assigned to later, fails. Here's a failing test-case, which is the
reduced test-case of how we handle BR_NO_CHECK_HASH_FOR for now (warning
added for test-case):
export BR_NO_CHECK_HASH_FOR
BR_NO_CHECK_HASH_FOR += $(XENOMAI_SOURCE)
XENOMAI_VERSION = 2.6.4
XENOMAI_SOURCE = xenomai-$(XENOMAI_VERSION).tar.bz2
$(warning BR_NO_CHECK_HASH_FOR='$(BR_NO_CHECK_HASH_FOR)')
all:
Run it with simply make:
$ make
BR_NO_CHECK_HASH_FOR=' '
Now, change the first line to read:
export BR_NO_CHECK_HASH_FOR =
And we now get:
$ make
BR_NO_CHECK_HASH_FOR=' xenomai-2.6.4.tar.bz2'
This new behaviour will be needed later for Xenomai, which handles the
version string in an unusual way, so we can exclude its custom versions.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Arnout Vandecappelle <arnout@mind.be>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
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.