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e4b1fa69cd
gcc will refuse to build with both --with-mode=thumb and --with-fpu=vfp,
with error messages during ./configure, like:
checking for suffix of object files... configure: error: in `/home/ymor
in/dev/buildroot/O/build/host-gcc-initial-4.9.3/build/arm-buildroot-lin
ux-uclibcgnueabihf/libgcc':
configure: error: cannot compute suffix of object files: cannot compile
See `config.log' for more details.
And config.log informatively contains:
sorry, unimplemented: Thumb-1 hard-float VFP ABI
This is an error message that comes deep from gcc source files.
If gcc says it does not support VFP with Thumb1, then let's disable that
combination in our menuconfig.
Prefer VFP over Thumb1, i.e. hide Thumb1 when we're not soft-float.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Gustavo Zacarias <gustavo@zacarias.com.ar>
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.