On Tue, Feb 4, 2014 at 9:28 AM, Bernd Edlinger <bernd.edlin...@hotmail.de> wrote: > Ping... > > this is still open, > in short, the configuration > > ../gcc-4.9-20140202/configure --prefix=/home/ed/gnu/arm-linux-gnueabihf-cross > --host=arm-linux-gnueabihf --target=arm-linux-gnueabihf > --enable-languages=c,c++,fortran,ada --with-arch=armv7-a > --with-tune=cortex-a9 --with-fpu=vfpv3-d16 --with-float=hard > > fails with this error: > > In file included from ../../gcc-4.9-20140202/gcc/config/host-linux.c:21:0: > ../../gcc-4.9-20140202/gcc/config/host-linux.c: In function 'int > linux_gt_pch_use_address(void*, size_t, int, size_t)': > ../../gcc-4.9-20140202/gcc/config/host-linux.c:215:43: error: 'SSIZE_MAX' was > not declared in this scope > nbytes = read (fd, base, MIN (size, SSIZE_MAX)); > ^ > ../../gcc-4.9-20140202/gcc/system.h:351:26: note: in definition of macro 'MIN' > #define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) > ^ > make[2]: *** [host-linux.o] Error 1 > > > > The reason is that the target's limits.h gets replaced by glimits.h which > does not define SSIZE_MAX. > This is the only place where SSIZE_MAX is used. Therefore I'd try to avoid > that define which is not guaranteed > to be defined. > > > Boot-Strapped and regression-tested on X86_64. > Plus cross-build for arm-linux-gnueabihf. > > OK for trunk?
Ok. Thanks, Richard. > Thanks > Bernd. > > >> Date: Mon, 27 Jan 2014 08:34:59 +0100 >> >> Ping... >> >> >> >>> >>> Hello, >>> >>> and Ping for this patch: >>> >>> http://gcc.gnu.org/ml/gcc-patches/2013-12/msg01552.html >>> >>> >>> note however, that cross-building is probably broken >>> anyway in the moment by r205690, >>> >>> >>> Thanks >>> Bernd. >>> >>>> there is a small problem with SSIZE_MAX, because it is not always >>>> defined, especially not in gcc/glimits.h, which seems to be the fall-back >>>> if the target fails to have a working limits.h. >>>> >>>> When I create a cross-compiler for --target=arm-linux-gnueabihf, the >>>> working limits.h is overwritten by fix-includes with a copy of >>>> gcc/glimits.h. >>>> Probably because it is not possible to compile the target headers with the >>>> build >>>> compiler and produce meaningful test results. >>>> >>>> However because gcc/glimits.h does not define SSIZE_MAX the following >>>> build fails with >>>> >>>> In file included from ../../gcc-4.9-20131215/gcc/config/host-linux.c:21:0: >>>> ../../gcc-4.9-20131215/gcc/config/host-linux.c: In function 'int >>>> linux_gt_pch_use_address(void*, size_t, int, size_t)': >>>> ../../gcc-4.9-20131215/gcc/config/host-linux.c:215:43: error: 'SSIZE_MAX' >>>> was not declared in this scope >>>> nbytes = read (fd, base, MIN (size, SSIZE_MAX)); >>>> ^ >>>> ../../gcc-4.9-20131215/gcc/system.h:351:26: note: in definition of macro >>>> 'MIN' >>>> #define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) >>>> ^ >>>> >>>> >>>> The most simple way to fix this would be to not use SSIZE_MAX >>>> here. >>>> >>>> Boot-Strapped and regression-tested on X86_64. >>>> Plus cross-build for arm-linux-gnueabihf. >>>> >>>> Ok for trunk? >>>> >>>> >>>> Thanks >>>> Bernd.
