# XXX
EOSH
+# This script UU/usethreads.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use threads.
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$usethreads" in
+$define|true|[yY]*)
+ ccflags="-D_REENTRANT $ccflags"
+
+ # sched_yield is in -lposix4
+ set `echo X "$libswanted "| sed -e 's/ c / posix4 pthread c /'`
+ shift
+ libswanted="$*"
+
+ # On Solaris 2.6 x86 there is a bug with sigsetjmp() and siglongjmp()
+ # when linked with the threads library, such that whatever positive
+ # value you pass to siglongjmp(), sigsetjmp() returns 1.
+ # Thanks to Simon Parsons <S.Parsons@ftel.co.uk> for this report.
+ # Sun BugID is 4117946, "sigsetjmp always returns 1 when called by
+ # siglongjmp in a MT program". As of 19980622, there is no patch
+ # available.
+ cat >try.c <<'EOM'
+ /* Test for sig(set|long)jmp bug. */
+ #include <setjmp.h>
+
+ main()
+ {
+ sigjmp_buf env;
+ int ret;
+
+ ret = sigsetjmp(env, 1);
+ if (ret) { return ret == 2; }
+ siglongjmp(env, 2);
+ }
+EOM
+ if test "`arch`" = i86pc -a "$osvers" = 2.6 && \
+ ${cc:-cc} try.c -lpthread >/dev/null 2>&1 && ./a.out; then
+ d_sigsetjmp=$undef
+ cat << 'EOM' >&2
+
+You will see a *** WHOA THERE!!! *** message from Configure for
+d_sigsetjmp. Keep the recommended value. See hints/solaris_2.sh
+for more information.
+
+EOM
+ fi
+ ;;
+esac
+EOCBU
+
+# This script UU/use64bits.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use 64 bits.
+cat > UU/use64bits.cbu <<'EOCBU'
+case "$use64bits" in
+$define|true|[yY]*)
+ case "`uname -r`" in
+ 2.[1-5])
+ cat >&4 <<EOM
+Solaris `uname -r` does not support 64-bit interfaces.
+You should upgrade to at least Solaris 2.6.
+EOM
+ exit 1
+ ;;
+ esac
+ ccflags="$ccflags `getconf LFS_CFLAGS` -DUSE_LONG_LONG"
+ ldflags="$ldflags `getconf LFS_LDFLAGS`"
+ libswanted="$libswanted `getconf LFS_LIBS`"
+ # When a 64-bit cc becomes available $archname64
+ # may need setting so that $archname gets it attached.
+ ;;
+esac
+EOCBU
+
# This is just a trick to include some useful notes.
cat > /dev/null <<'End_of_Solaris_Notes'