# hints/solaris_2.sh
-# Last modified: Thu Feb 8 11:38:12 EST 1996
-# Andy Dougherty <doughera@lafcol.lafayette.edu>
+# Last modified: Tue Apr 13 13:12:49 EDT 1999
+# Andy Dougherty <doughera@lafayette.edu>
# Based on input from lots of folks, especially
# Dean Roehrich <roehrich@ironwood-fddi.cray.com>
# way to do that is to invoke Configure with
#
# sh Configure -Dcc='gcc -B/usr/ccs/bin/'
-#
+#
+# (Note that the trailing slash is *required*.)
+# gcc will occasionally emit warnings about "unused prefix", but
+# these ought to be harmless. See below for more details.
# See man vfork.
usevfork=false
# Here's another draft of the perl5/solaris/gcc sanity-checker.
-case $PATH in
-*/usr/ucb*:/usr/bin:*|*/usr/ucb*:/usr/bin) cat <<END >&4
+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
;;
;;
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 >&2
# 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 $cc.
+# Perl compiled with some combinations of GNU as and ld may not
+# be able to perform dynamic loading of extensions. If you have a
+# problem with dynamic loading, be sure that you are using the Solaris
+# /usr/ccs/bin/as and /usr/ccs/bin/ld. You can do that with
+# sh Configure -Dcc='gcc -B/usr/ccs/bin/'
+# (note the trailing slash is required).
+# Combinations that are known to work with the following hints:
+#
+# gcc-2.7.2, GNU as 2.7, GNU ld 2.7
+# egcs-1.0.3, GNU as 2.9.1 and GNU ld 2.9.1
+# --Andy Dougherty <doughera@lafayette.edu>
+# Tue Apr 13 17:19:43 EDT 1999
+
# Get gcc to share its secrets.
echo 'main() { return 0; }' > try.c
-verbose=`${cc:-cc} -v -o try try.c 2>&1`
-rm -f try try.c
+ # 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
tmp=`echo "$verbose" | grep '^Reading' |
awk '{print $NF}' | sed 's/specs$/include/'`
# Determine if the fixed-includes look like they'll work.
# 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.
+ # See if as(1) is GNU as(1). GNU as(1) might not work for this job.
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.
-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.)
+NOTE: You are using GNU as(1). GNU as(1) might not build Perl. If you
+have trouble, you can use /usr/ccs/bin/as by including -B/usr/ccs/bin/
+in your ${cc:-cc} command. (Note that the trailing "/" is required.)
END
- cc="${cc:-cc} -B/usr/ccs/bin/"
+ # Apparently not needed, at least for as 2.7 and later.
+ # cc="${cc:-cc} -B/usr/ccs/bin/"
fi
- # See if ld(1) is GNU ld(1). GNU ld(1) won't work for this job.
- if echo "$verbose" | grep ' /usr/ccs/bin/as ' >/dev/null 2>&1; then
+ # See if ld(1) is GNU ld(1). GNU ld(1) might not work for this job.
+ # 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 "$verbose" | grep ' /usr/ccs/bin/ld ' >/dev/null 2>&1; then
+ # Ok, gcc directly calls the Solaris /usr/ccs/bin/ld.
+ :
+ elif echo "$verbose" | grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
+ # Hmm. gcc doesn't call /usr/ccs/bin/ld directly, but it
+ # does appear to be using it eventually. egcs-1.0.3's ld
+ # wrapper does this.
+ # All Solaris versions of ld I've seen contain the magic
+ # string used in the grep.
:
else
- cat <<END >&2
+ # No evidence yet of /usr/ccs/bin/ld. Some versions
+ # of egcs's ld wrapper call /usr/ccs/bin/ld in turn but
+ # apparently don't reveal that unless you pass in -V.
+ # (This may all depend on local configurations too.)
+
+ 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.
+ # Thus myld is something like opt/gnu/sparc-sun-solaris2.5/bin/ld
+
+ if $myld -V 2>&1 | grep "ld: Software Generation Utilities" >/dev/null 2>&1; then
+ # Ok, /usr/ccs/bin/ld eventually does get called.
+ :
+ else
+ cat <<END >&2
+
+NOTE: You are using GNU ld(1). GNU ld(1) might not build Perl. If you
+have trouble, you can use /usr/ccs/bin/ld by including -B/usr/ccs/bin/
+in your ${cc:-cc} command. (Note that the trailing "/" is required.)
-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 ${cc:-cc} command.
-(Note that the trailing "/" is required.)
+I will try to use GNU ld by passing in the -Wl,-E flag, but if that
+doesn't work, you should use -B/usr/ccs/bin/ instead.
END
- cc="${cc:-cc} -B/usr/ccs/bin/"
+ ccdlflags="$ccdlflags -Wl,-E"
+ lddlflags="$lddlflags -W,l-E -G"
+ fi
fi
else
#
# Not using gcc.
#
- #echo Not using gcc
- # See if as(1) is GNU as(1). GNU as(1) won't work for this job.
+ # See if as(1) is GNU as(1). GNU might not work for this job.
case `as --version < /dev/null 2>&1` in
*GNU*)
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.
+NOTE: You are using GNU as(1). GNU as(1) might not build Perl.
+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.
+ # See if ld(1) is GNU ld(1). GNU ld(1) might not 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
esac
if $gnu_ld ; then :
else
- case `which ld` in
- no\ ld\ in*|[Cc]ommand\ not\ found*)
- ;;
- /*gnu*/ld|/*GNU*/ld)
+ # Try to guess from path
+ case `type ld | awk '{print $NF}'` in
+ *gnu*|*GNU*|*FSF*)
gnu_ld=true ;;
esac
fi
if $gnu_ld ; then
cat <<END >&2
-NOTE: You are using GNU ld(1). GNU ld(1) will not build Perl.
-You must arrange to use /usr/ccs/bin, perhaps by adding it to the
-beginning of your PATH.
+NOTE: You are apparently using GNU ld(1). GNU ld(1) might not build Perl.
+You should arrange to use /usr/ccs/bin/ld, perhaps by adding /usr/ccs/bin
+to the beginning of your PATH.
END
fi
fi
# as --version or ld --version might dump core.
+rm -f try try.c
rm -f core
# XXX
EOSH
-if [ "X$usethreads" != "X" ]; 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 /'`
- shift
- libswanted="$*"
-fi
+# This script UU/usethreads.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use threads.
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$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/uselfs.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use large files.
+cat > UU/uselfs.cbu <<'EOCBU'
+case "$uselargefiles" in
+$define|true|[yY]*)
+ lfcflags="`getconf LFS_CFLAGS 2>/dev/null`"
+ lfldflags="`getconf LFS_LDFLAGS 2>/dev/null`"
+ lflibs="`getconf LFS_LIBS 2>/dev/null|sed -e 's@^-l@@' -e 's@ -l@ @g`"
+ case "$lfcflags$lfldflags$lflibs" in
+ '');;
+ *) uselonglong="$define"
+ echo "(Large files in Solaris require also long longs, using long longs...)"
+ ccflags="$ccflags -DUSE_LONG_LONG $lfcflags"
+ ldflags="$ldflags $ldldflags"
+ libswanted="$libswanted $lflibs"
+ ;;
+ esac
+ lfcflags=''
+ lfldflags=''
+ lflibs=''
+ ;;
+esac
+EOCBU
+
+# This script UU/use64bits.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use 64 bits.
+cat > UU/use64bits.cbu <<'EOCBU'
+case "$use64bits" in
+$define|true|[yY]*)
+ case "`uname -r`" in
+ 2.[1-5])
+ cat >&4 <<EOM
+Solaris `uname -r` does not support 64-bit interfaces.
+You should upgrade to at least Solaris 2.6.
+EOM
+ exit 1
+ ;;
+ esac
+ case "$ccflags" in
+ *-DUSE_LONG_LONG*) ;;
+ *) ccflags="$ccflags -DUSE_LONG_LONG" ;;
+ esac
+ # 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'