# hints/solaris_2.sh
-# Last modified: 27 September 1995 by
+# Last modified: Wed May 27 13:04:45 EDT 1998
# Andy Dougherty <doughera@lafcol.lafayette.edu>
# Based on input from lots of folks, especially
# Dean Roehrich <roehrich@ironwood-fddi.cray.com>
+
+# If perl fails tests that involve dynamic loading of extensions, and
+# you are using gcc, be sure that you are NOT using GNU as and ld. One
+# way to do that is to invoke Configure with
+#
+# sh Configure -Dcc='gcc -B/usr/ccs/bin/'
#
+
# See man vfork.
usevfork=false
-#
+
d_suidsafe=define
+
# Avoid all libraries in /usr/ucblib.
set `echo $glibpth | sed -e 's@/usr/ucblib@@'`
glibpth="$*"
+
# Remove bad libraries. -lucb contains incompatible routines.
# -lld doesn't do anything useful.
# -lmalloc can cause a problem with GNU CC & Solaris. Specifically,
set `echo " $libswanted " | sed -e 's@ ld @ @' -e 's@ malloc @ @' -e 's@ ucb @ @'`
libswanted="$*"
-# Look for architecture name. We want to suggest a useful default
-# for archlib and also warn about possible -x486 flags needed.
+# Look for architecture name. We want to suggest a useful default.
case "$archname" in
'')
if test -f /usr/bin/arch; then
fi
;;
esac
-case "$archname" in
-*86*) echo "For an Intel platform you might need to add -x486 to ccflags" >&4;;
-*) ;;
-esac
-# See below for excerpts from the Solaris FAQ.
+######################################################
+# General sanity testing. See below for excerpts from the Solaris FAQ.
# From roehrich@ironwood-fddi.cray.com Wed Sep 27 12:51:46 1995
# Date: Thu, 7 Sep 1995 16:31:40 -0500
# Here's another draft of the perl5/solaris/gcc sanity-checker.
-case $PATH in
-*/usr/ucb*:/usr/bin:*|*/usr/ucb*:/usr/bin) cat <<END
+case `type ${cc:-cc}` in
+*/usr/ucb/cc*) cat <<END >&4
NOTE: Some people have reported problems with /usr/ucb/cc.
-Remove /usr/ucb from your PATH if you have difficulties.
+If you have difficulties, please make sure the directory
+containing your C compiler is before /usr/ucb in your PATH.
END
;;
case $? in
0) ;;
*)
- cat <<END
+ cat <<END >&4
NOTE: Your system does not have /dev/fd mounted. If you want to
be able to use set-uid scripts you must ask your system administrator
/usr/bin/ls /usr/lib/libucb* >/dev/null 2>&1
case $? in
0)
- cat <<END
+ cat <<END >&4
NOTE: libucb has been found in /usr/lib. libucb should reside in
/usr/ucblib. You may have trouble while building Perl extensions.
;;
esac
+# Use shell built-in 'type' command instead of /usr/bin/which to
+# avoid possible csh start-up problems and also to use the same shell
+# we'll be using to Configure and make perl.
+# The path name is the last field in the output, but the type command
+# has an annoying array of possible outputs, e.g.:
+# make is hashed (/opt/gnu/bin/make)
+# cc is /usr/ucb/cc
+# foo not found
+# use a command like type make | awk '{print $NF}' | sed 's/[()]//g'
# See if make(1) is GNU make(1).
# If it is, make sure the setgid bit is not set.
make -v > make.vers 2>&1
if grep GNU make.vers > /dev/null 2>&1; then
- tmp=`/usr/bin/which make`
- case "`/usr/bin/ls -l $tmp`" in
+ tmp=`type make | awk '{print $NF}' | sed 's/[()]//g'`
+ case "`/usr/bin/ls -lL $tmp`" in
??????s*)
- cat <<END
+ cat <<END >&2
NOTE: Your PATH points to GNU make, and your GNU make has the set-group-id
bit set. You must either rearrange your PATH to put /usr/ccs/bin before the
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 as 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 as 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
+ # Indent to avoid propagation to config.sh
+ verbose=`${cc:-cc} -v -o try try.c 2>&1`
+
+if echo "$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=`${cc:-cc} -v -o try try.c 2>&1`
tmp=`echo "$verbose" | grep '^Reading' |
awk '{print $NF}' | sed 's/specs$/include/'`
# Determine if the fixed-includes look like they'll work.
- sed 1q $tmp/stdarg.h 2>&1 | grep 'stdarg.h for GNU' 2>&1 >/dev/null
- case $? in
- 0) ;;
- *)
- cat <<END
-
-NOTE: The fixincludes or just-fixinc script for gcc was not run
-properly. Your gcc may not be able to compile Perl. Inform your system
-administrator that ${cc:-cc} is not properly installed.
-
-END
- ;;
- esac
+ # 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 $verbose in
- */usr/ccs/bin/as*) ;;
- *)
- cat <<END
+ if echo "$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.
+I'm arranging to use /usr/ccs/bin/as by 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*) ;;
- *)
- cat <<END
+ # Recompute $verbose since we may have just changed $cc.
+ verbose=`${cc:-cc} -v -o try try.c 2>&1 | grep ld 2>&1`
+ if echo "$verbose" | grep ' /usr/ccs/bin/ld ' >/dev/null 2>&1; then
+ :
+ else
+ # It's not /usr/ccs/bin/ld - but it might be egcs's ld wrapper,
+ # which calls /usr/ccs/bin/ld in turn. Passing -V to it will
+ # make it show its true colors.
+
+ myld=`echo $verbose| grep ld | awk '/\/ld/ {print $1}'`
+ # This assumes that gcc's output will not change, and that
+ # /full/path/to/ld will be the first word of the output.
+
+ # all Solaris versions of ld I've seen contain the magic
+ # string used in the grep below.
+ if $myld -V 2>&1 | grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
+ cat <<END >&2
+
+Aha. You're using egcs and /usr/ccs/bin/ld.
+
+END
+
+ 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.
+I'm arranging to use /usr/ccs/bin/ld by 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
+ fi
- ;; #using gcc
-*)
+else
#
# Not using gcc.
#
# See if as(1) is GNU as(1). GNU as(1) won't work for this job.
case `as --version < /dev/null 2>&1` in
*GNU*)
- cat <<END
+ 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, perhaps by adding it to the
-beginning of your PATH.
+You must arrange to use /usr/ccs/bin/as, perhaps by adding /usr/ccs/bin
+to the beginning of your PATH.
END
;;
esac
# See if ld(1) is GNU ld(1). GNU ld(1) won't work for this job.
+ # ld --version doesn't properly report itself as a GNU tool,
+ # as of ld version 2.6, so we need to be more strict. TWP 9/5/96
+ gnu_ld=false
case `ld --version < /dev/null 2>&1` in
- *GNU*)
- cat <<END
-
-NOTE: You are using GNU ld(1). GNU ld(1) will not build Perl.
-You must arrange to use /usr/ccs/bin, perhaps by adding it to the
-beginning of your PATH
+ *GNU*|ld\ version\ 2*)
+ gnu_ld=true ;;
+ *) ;;
+ esac
+ if $gnu_ld ; then :
+ else
+ # Try to guess from path
+ case `type ld | awk '{print $NF}'` in
+ *gnu*|*GNU*|*FSF*)
+ gnu_ld=true ;;
+ esac
+ fi
+ if $gnu_ld ; then
+ cat <<END >&2
+
+NOTE: You are apparently using GNU ld(1). GNU ld(1) will not build Perl.
+You must arrange to use /usr/ccs/bin/ld, perhaps by adding /usr/ccs/bin
+to the beginning of your PATH.
END
- ;;
- esac
+ fi
- ;; #not using gcc
-esac
+fi
# as --version or ld --version might dump core.
+rm -f try try.c
rm -f core
+# XXX
+EOSH
+
+if [ "X$usethreads" = "X$define" ]; then
+ ccflags="-D_REENTRANT $ccflags"
+ # -lpthread needs to come before -lc but after other libraries such
+ # as -lgdbm and such like. We assume here that -lc is present in
+ # libswanted. If that fails to be true in future, then this can be
+ # changed to add pthread to the very end of libswanted.
+ # sched_yield is in -lposix4
+ set `echo X "$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
+fi
+
# This is just a trick to include some useful notes.
cat > /dev/null <<'End_of_Solaris_Notes'
projects / p5sagit/p5-mst-13.2.git / blobdiff