On 27 April 2015 at 09:47, Iain Buclaw <[email protected]> wrote: > On 27 April 2015 at 09:34, Mike via Digitalmars-d > <[email protected]> wrote: >> On Monday, 27 April 2015 at 05:22:55 UTC, Timo Sintonen wrote: >>> >>> On Monday, 27 April 2015 at 05:19:52 UTC, Timo Sintonen wrote: >>> >>> Oops, I forget to uncomment the m4 options. The correct version is >>>> >>>> >>>> And I replace the whole gcc/config/arm/t-arm-elf with this: >>>> MULTILIB_OPTIONS += mcpu=cortex-m0/mcpu=cortex-m3/mcpu=cortex-m4 >>>> mfloat-abi=hard mfpu=fpv4-sp-d16 >>>> MULTILIB_DIRNAMES += cortex-m0 cortex-m3 cortex-m4 >>>> MULTILIB_REQUIRED += mcpu=cortex-m0 >>>> MULTILIB_REQUIRED += mcpu=cortex-m3 >>>> MULTILIB_REQUIRED += mcpu=cortex-m4 /mfloat-abi=hard /mfpu=fpv4-sp-d16 >>>> MULTILIB_EXTRA_OPTS += mthumb >> >> >> The toolchain at https://launchpad.net/gcc-arm-embedded doesn't require this >> modification, so I'm wondering if there's another way. My understanding is >> that this is unlreated to GDC itself, so we should be able to follow >> essentially the same procedure as the embedded C/C++ toolchains, right? >> >> They have their build scripts included in their source package, so I spent a >> little time analyzing their build scripts today, and I see they are using >> the following config option: >> >> "--with-multilib-list=armv6-m,armv7-m,armv7e-m,cortex-m7,armv7-r" >> >> I'm wondering if that alone will do it. I guess I'll give it a try later >> and let you all know what I find. >> > > From what I'm reading in config.gcc, ARM does not support > --with-multilib-list= *except* for 'default' and 'aprofile'. So > Ubuntu/Canonical must be applying local patches to get that working. >
Yep! Here's the local patch: http://pastebin.com/D3RmCNMf Regards Iain
