On Sun, Feb 18, 2018 at 1:42 AM, R0b0t1 <r03...@gmail.com> wrote: > Taking inspiration from > https://github.com/FreddieChopin/bleeding-edge-toolchain, I have a > script which runs: > > ../../source/${dname}/configure \ > --target=${TARGET} \ > --enable-languages=c \ > --without-headers \ > --prefix=`realpath ../../${DIR_PREFIX}` \ > --libexecdir=`realpath ../../${DIR_PREFIX}/lib` > --disable-decimal-float \ > --disable-libffi \ > --disable-libgomp \ > --disable-libmudflap \ > --disable-libquadmath \ > --disable-libssp \ > --disable-libstdcxx-pch \ > --disable-nls \ > --disable-shared \ > --disable-threads \ > --disable-tls \ > --with-newlib \ > --with-gnu-as \ > --with-gnu-ld \ > --with-sysroot=`realpath ../../${DIR_PREFIX}/${TARGET}` \ > --with-system-zlib \ > --with-gmp=`realpath ../../${DIR_PREFIX}/host/${gmp_dname}` \ > --with-mpfr=`realpath ../../${DIR_PREFIX}/host/${mpfr_dname}` \ > --with-mpc=`realpath ../../${DIR_PREFIX}/host/${mpc_dname}` \ > --with-isl=`realpath ../../${DIR_PREFIX}/host/${isl_dname}` \ > --with-pkgversion=${VERSION} > > (libssp is disabled as it is provided by newlib.) When compiling GCC, > an attempt to build libssp is made, and this fails with the following: > > ../../../../source/gcc-7.3.0/libssp/ssp.c: In function ‘__guard_setup’: > ../../../../source/gcc-7.3.0/libssp/ssp.c:93:12: warning: implicit > declaration of function ‘open’ [-Wimplicit-function-declaration] > int fd = open ("/dev/urandom", O_RDONLY); > ^~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:93:34: error: ‘O_RDONLY’ > undeclared (first use in this function) > int fd = open ("/dev/urandom", O_RDONLY); > ^~~~~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:93:34: note: each undeclared > identifier is reported only once for each function it appears in > ../../../../source/gcc-7.3.0/libssp/ssp.c:96:7: error: unknown type > name ‘ssize_t’ > ssize_t size = read (fd, &__stack_chk_guard, > ^~~~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:96:22: warning: implicit > declaration of function ‘read’ [-Wimplicit-function-declaration] > ssize_t size = read (fd, &__stack_chk_guard, > ^~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:98:7: warning: implicit > declaration of function ‘close’ [-Wimplicit-function-declaration] > close (fd); > ^~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c: At top level: > ../../../../source/gcc-7.3.0/libssp/ssp.c:113:25: error: unknown type > name ‘size_t’ > fail (const char *msg1, size_t msg1len, const char *msg3) > ^~~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c: In function ‘__stack_chk_fail’: > ../../../../source/gcc-7.3.0/libssp/ssp.c:185:3: warning: implicit > declaration of function ‘fail’ [-Wimplicit-function-declaration] > fail (msg, strlen (msg), "stack smashing detected: terminated"); > ^~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:185:14: warning: implicit > declaration of function ‘strlen’ [-Wimplicit-function-declaration] > fail (msg, strlen (msg), "stack smashing detected: terminated"); > ^~~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:185:14: warning: > incompatible implicit declaration of built-in function ‘strlen’ > ../../../../source/gcc-7.3.0/libssp/ssp.c:185:14: note: include > ‘<string.h>’ or provide a declaration of ‘strlen’ > ../../../../source/gcc-7.3.0/libssp/ssp.c: In function ‘__chk_fail’: > ../../../../source/gcc-7.3.0/libssp/ssp.c:192:14: warning: > incompatible implicit declaration of built-in function ‘strlen’ > fail (msg, strlen (msg), "buffer overflow detected: terminated"); > ^~~~~~ > ../../../../source/gcc-7.3.0/libssp/ssp.c:192:14: note: include > ‘<string.h>’ or provide a declaration of ‘strlen’ > make[2]: *** [Makefile:487: ssp.lo] Error 1 > > > I've attempted to search for a solution, but they were all more or > less "disable libssp." >
All I've found is this has some interaction with the selection of target (arm-none-eabi), but I don't know why or how to fix it. > Thanks in advance, > R0b0t1
