fi
rm -f make.vers
+# XXX EXPERIMENTAL A.D. 2/27/1998
+# XXX This script UU/cc.cbu will get 'called-back' by Configure after it
+# XXX has prompted the user for the C compiler to use.
+cat > UU/cc.cbu <<'EOSH'
# If the C compiler is gcc:
# - check the fixed-includes
# - check as(1) and ld(1), they should not be GNU
+# (GNU ad and ld 2.8.1 and later are reportedly ok, however.)
# If the C compiler is not gcc:
# - check as(1) and ld(1), they should not be GNU
+# (GNU ad and ld 2.8.1 and later are reportedly ok, however.)
#
# Watch out in case they have not set $cc.
-case "`${cc:-cc} -v 2>&1`" in
-*gcc*)
+
+# Get gcc to share its secrets.
+echo 'main() { return 0; }' > try.c
+verbose=`${cc:-cc} -v -o try try.c 2>&1`
+rm -f try try.c
+
+if echo "$verbose" | grep '^Reading specs from' >/dev/null 2>&1; then
#
# Using gcc.
#
#echo Using gcc
- # Get gcc to share its secrets.
- echo 'main() { return 0; }' > try.c
- verbose=`${cc:-cc} -v -o try try.c 2>&1`
- rm -f try try.c
tmp=`echo "$verbose" | grep '^Reading' |
awk '{print $NF}' | sed 's/specs$/include/'`
# Doesn't work anymore for gcc-2.7.2.
# See if as(1) is GNU as(1). GNU as(1) won't work for this job.
- case $verbose in
- */usr/ccs/bin/as*) ;;
- *)
+ if echo "$verbose" | grep ' /usr/ccs/bin/as ' >/dev/null 2>&1; then
+ :
+ else
cat <<END >&2
NOTE: You are using GNU as(1). GNU as(1) will not build Perl.
-You must arrange to use /usr/ccs/bin/as, perhaps by setting
-GCC_EXEC_PREFIX or by including -B/usr/ccs/bin/ in your cc command.
+I'm arranging to use /usr/ccs/bin/as by setting including
+-B/usr/ccs/bin/ in your ${cc:-cc} command.
(Note that the trailing "/" is required.)
END
- ;;
- esac
+ cc="${cc:-cc} -B/usr/ccs/bin/"
+ fi
# See if ld(1) is GNU ld(1). GNU ld(1) won't work for this job.
- case $verbose in
- */usr/ccs/bin/ld*) ;;
- *)
+ if echo "$verbose" | grep ' /usr/ccs/bin/as ' >/dev/null 2>&1; then
+ :
+ else
cat <<END >&2
-NOTE: You are using GNU ld(1). GNU ld(1) will not build Perl.
-You must arrange to use /usr/ccs/bin/ld, perhaps by setting
-GCC_EXEC_PREFIX or by including -B/usr/ccs/bin/ in your cc command.
+NOTE: You are using GNU as(1). GNU as(1) will not build Perl.
+I'm arranging to use /usr/ccs/bin/as by setting including
+-B/usr/ccs/bin/ in your ${cc:-cc} command.
+(Note that the trailing "/" is required.)
END
- ;;
- esac
+ cc="${cc:-cc} -B/usr/ccs/bin/"
+ fi
- ;; #using gcc
-*)
+else
#
# Not using gcc.
#
END
fi
- ;; #not using gcc
-esac
+fi
# as --version or ld --version might dump core.
rm -f core
-if [ "X$usethreads" != "X" ]; then
- ccflags="-D_REENTRANT -DUSE_THREADS $ccflags"
- cppflags="-D_REENTRANT -DUSE_THREADS $cppflags"
+# XXX
+EOSH
+
+if [ "X$usethreads" = "X$define" ]; then
+ ccflags="-D_REENTRANT $ccflags"
# -lpthread needs to come before -lc but after other libraries such
# as -lgdbm and such like. We assume here that -lc is present in
# libswanted. If that fails to be true in future, then this can be
# changed to add pthread to the very end of libswanted.
- set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
+ # 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.
+ if test "`arch`" = i86pc -a "$osvers" = 2.6; then
+ d_sigaction=$undef
+ cat << 'EOM' >&2
+
+You will see a *** WHOA THERE!!! *** message from Configure for
+d_sigaction. Keep the recommended value. See hints/solaris_2.sh
+for more information.
+
+EOM
+ fi
fi
# This is just a trick to include some useful notes.