On Sat, Aug 18, 2012 at 3:36 AM, Gary Funck <g...@intrepid.com> wrote: > > Paul Hargrove noted the following build failure on > an older x86-32 Linux (Redhat 8.0) system. > > g++ -c -g -O2 -DIN_GCC -fno-exceptions -fno-rtti -W -Wall > -Wwrite-strings -Wcast-qual -Wmissing-format-attribute -fno-common > -DHAVE_CONFIG_H -DGENERATOR_FILE -I. -Ibuild > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/build > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/../include > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/../libcpp/include > -I/usr/local/pkg/gmp-4.2.4/include -I/usr/local/pkg/mpfr-2.4.2/include > -I/usr/local/pkg/mpc-0.8/include > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/../libdecnumber > -I/usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/../libdecnumber/bid > -I../libdecnumber \ > -o build/genoutput.o > /usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/genoutput.c > /usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/genoutput.c: In function > `void note_constraint(rtx_def*, int)': > /usr/local/pkg/upc/nightly/compiler/gupc-src/gcc/genoutput.c:1178: error: > reinterpret_cast from type `const char (*)[1]' to type `char*' casts away > constness > make[2]: *** [build/genoutput.o] Error 1 > make[2]: Leaving directory `/usr/local/pkg/upc/nightly/compiler/bld/gcc' > make[1]: *** [all-gcc] Error 2 > make[1]: Leaving directory `/usr/local/pkg/upc/nightly/compiler/bld' > make: *** [all] Error 2 > > > The g++ version is: g++ (GCC) 3.4.0 > > Currently, install.texi states: > > @heading Tools/packages necessary for building GCC > @table @asis > @item ISO C90 compiler > Necessary to bootstrap GCC, although versions of GCC prior > to 3.4 also allow bootstrapping with a traditional (K&R) C compiler. > > To build all languages in a cross-compiler or other configuration where > 3-stage bootstrap is not performed, you need to start with an existing > GCC binary (version 2.95 or later) because source code for language > frontends other than C might use GCC extensions. > > This appears to be out-of-date with respect to new C++ stage 1 > build requirement. > > Please advise.
The code is clearly buggy and should use CONST_CAST - well, or now, finally, const_cast to cast const char * to char *. Richard. > Thanks, > - Gary
