gcc44 4.4.5 fails to build Leopard/ppc

[jeremyhu (Jeremy Huddleston Sequoia)]

libtool: compile:  /opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/build/./gcc/xgcc -B/opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/build/./gcc/ -B/opt/local/ppc-apple-darwin9/bin/ -B/opt/local/ppc-apple-darwin9/lib/ -isystem /opt/local/ppc-apple-darwin9/include -isystem /opt/local/ppc-apple-darwin9/sys-include -DHAVE_CONFIG_H -I/opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/gcc-4.4.5/boehm-gc/include -fexceptions -Iinclude -I././targ-include -I.//libc/include -g -pipe -ggdb3 -fexceptions -Iinclude -I././targ-include -I.//libc/include -c ../../../gcc-4.4.5/boehm-gc/os_dep.c  -fno-common -DPIC -o .libs/os_dep.o
In file included from /opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/gcc-4.4.5/boehm-gc/include/private/gc_priv.h:98,
                 from ../../../gcc-4.4.5/boehm-gc/os_dep.c:17:
/opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/gcc-4.4.5/boehm-gc/include/private/gc_locks.h: In function 'GC_test_and_set':
/opt/local/var/macports/build/_Users_jeremy_src_macports-trunk_dports_lang_gcc44/work/gcc-4.4.5/boehm-gc/include/private/gc_locks.h:165: error: 'asm' operand has impossible constraints

        inline static int GC_test_and_set(volatile unsigned int *addr) {
          int oldval;
          int temp = 1; /* locked value */

          __asm__ __volatile__(
               "1:\tlwarx %0,0,%3\n"   /* load and reserve               */
               "\tcmpwi %0, 0\n"       /* if load is                     */
               "\tbne 2f\n"            /*   non-zero, return already set */
               "\tstwcx. %2,0,%1\n"    /* else store conditional         */
               "\tbne- 1b\n"           /* retry if lost reservation      */
               "\tsync\n"              /* import barrier                 */
               "2:\t\n"                /* oldval is zero if we set       */
              : "=&r"(oldval), "=p"(addr)
              : "r"(temp), "1"(addr)
              : "cr0","memory");
          return oldval;
        }

[jeremyhu (Jeremy Huddleston Sequoia)]

What's going on with this? It's blocking a bunch of gnome from installing due to new dependencies. Adding devans.

[jeremyhu (Jeremy Huddleston Sequoia)]

I just filed this upstream due to lack of response:

​http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47309

[jmroot (Joshua Root)]

I just installed 4.4.6 on 10.5/ppc without any problems, FYI.