These errors occur when I add "-mfloat-abi=hardfp" to the toolchain setting. If I don't add it, no error occurs. Now I think the problem is that 1.5.1 or 1.6.2 toolchain doesn't support hard float, which is required by my yocto 1.5.1 system.
Thank you. 2014-10-10 16:27 GMT-07:00 Denys Dmytriyenko <de...@denix.org>: > On Fri, Oct 10, 2014 at 04:15:42PM -0700, Wy kevinthesun wrote: > > I tried both hard and hardfp. They both returned 3 errors: > > > > C compiler cannot create executables Hello -1 Configure > Problem > > in `/home/kevinthefire/workspace/Hello': Hello -1 Configure > > Problem > > make: *** No rule to make target `all'. Hello C/C++ > Problem > > That doesn't sound like a toolchain error, but rather an autotools one. > Make > sure you are setting up cross compilation properly. > > > > 2014-10-09 23:12 GMT-07:00 Nicolas Dechesne <nicolas.deche...@linaro.org > >: > > > > > On Thu, Oct 9, 2014 at 10:27 PM, Wy kevinthesun < > kevinthesu...@gmail.com> > > > wrote: > > > > It seems that Yocto 1.5.1 is built with hard float. However, the > 1.51, > > > 1.6 > > > > and 1.62 toolchains are soft float. When I tried to set > > > > "-mfloat-abi=hardfp" in the compile option, the compiling process ran > > > into > > > > error. It seems these toolchains don't support hard float? How can I > > > solve > > > > this problem? > > > > > > > > These are my set in the environment file of 1.5.1 toolchain: > > > > export CC="arm-poky-linux-gnueabi-gcc -march=armv5te -marm > > > > -mthumb-interwork -mfloat-abi=hardfp > > > > --sysroot=/opt/poky/1.5.1/sysroots/armv5te-poky-linux-gnueabi" > > > > export CXX="arm-poky-linux-gnueabi-g++ -march=armv5te -marm > > > > -mthumb-interwork -mfloat-abi=hardfp > > > > --sysroot=/opt/poky/1.5.1/sysroots/armv5te-poky-linux-gnueabi" > > > > export CPP="arm-poky-linux-gnueabi-gcc -E -march=armv5te -marm > > > > -mthumb-interwork -mfloat-abi=hardfp > > > > --sysroot=/opt/poky/1.5.1/sysroots/armv5te-poky-linux-gnueabi" > > > > > > > > It ran into error. > > > > > > > > > maybe because the gcc documentation says -mfloat-abi=hard, not =hardfp > ? > > > > > > in general, showing us the error you have is much preferred, otherwise > > > it's difficult to help if we don't really know what went wrong. > > > > > > cheers. > > > >
-- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
