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f8fcece3a1
When building SWUpdate with the following defconfig:
```
CONFIG_DOWNLOAD=y
```
.. the build process breaks with:
```
corelib/channel_curl.c:27:10: fatal error: json-c/json.h: No such file or directory
#include <json-c/json.h>
```
Looking at the SWUpdate Kconfig based build system shows that `CONFIG_DOWNLOAD`
depends on `HAVE_LIBCURL`, which selects CURL, which eventually enables the
(unnecessary) build of channel_curl.o.
The upstream fixes the condition for building channel_curl.o by adding a new
hidden config option `CHANNEL_CURL`, which is only selected by the
dependent options.
Backported from:
37a6666a53
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Peter Korsgaard <peter@korsgaard.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. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches