# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Fri Jan 8 17:24:49 EET 1999 [metaconfig 3.0 PL70]
+# Generated on Sat Jan 9 18:00:39 EET 1999 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by jhi@iki.fi)
cat >/tmp/c1$$ <<EOF
(See README.threads for details.)
EOM
case "$usethreads" in
-$define|true|[yY]*) dflt='y';;
+$define|true|[yY]*) dflt='y';;
*) dflt='n';;
esac
rp='Build a threading Perl?'
. ./myread
case "$ans" in
-y|Y) val="$define" ;;
+y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set usethreads
eval $setvar
-: Look for a hint-file generated 'call-back-unit'. Now that the
-: user has specified if a threading perl is to be built, we may need
-: to set or change some other defaults.
-if $test -f usethreads.cbu; then
- . ./usethreads.cbu
-fi
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that a threading perl is to be built,
+: we may need to set or change some other defaults.
+case "$usethreads" in
+$define|true|[yY]*)
+ if $test -f usethreads.cbu; then
+ . ./usethreads.cbu
+ fi
+ ;;
+esac
case "$d_oldpthreads" in
'') : Configure tests would be welcome here. For now, assume undef.
val="$undef" ;;
set d_oldpthreads
eval $setvar
+
+case "$usethreads" in
+"$define")
+ case "$osname" in
+ aix)
+ ccflags="$ccflags -DNEED_PTHREAD_INIT"
+ case "$cc" in
+ xlc_r | cc_r) ;;
+ cc)
+ echo >&4 "Switching cc to xlc_r because of POSIX threads."
+ cc=xlc_r
+ ;;
+ '')
+ cc=xlc_r
+ ;;
+ *)
+ cat >&4 <<EOM
+For pthreads you should use the AIX C compilers xlc_r or cc_r.
+(now your compiler was '$cc')
+Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac
+
+ # Add the POSIX threads library and the re-entrant libc.
+
+ lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'`
+
+ # Add the c_r library to the list of wanted libraries.
+ # Make sure the c_r library is before the c library or
+ # make will fail.
+ set `echo X "$libswanted "| sed -e 's/ c / c_r c /'`
+ shift
+ libswanted="$*"
+ ;;
+ dec_osf)
+ # Threads interfaces changed with V4.0.
+ case "`uname -r`" in
+ *[123].*)
+ libswanted="$libswanted pthreads mach exc c_r"
+ ccflags="-threads $ccflags"
+ ;;
+ *)
+ libswanted="$libswanted pthread exc"
+ ccflags="-pthread $ccflags"
+ ;;
+ esac
+
+ usemymalloc='n'
+ ;;
+ dos_djgpp)
+ set `echo X "$libswanted "| sed -e 's/ c / gthreads c /'`
+ shift
+ libswanted="$*"
+ ;;
+ freebsd)
+ case "$osvers" in
+ [34].*) ldflags="-pthread $ldflags"
+ ;;
+ 2.2*) if [ ! -r /usr/lib/libc_r ]; then
+ cat <<'EOM' >&4
+POSIX threads are not supported by default on FreeBSD $osvers. Follow the
+instructions in 'man pthread' to build and install the needed libraries.
+EOM
+ exit 1
+ fi
+ set `echo X "$libswanted "| sed -e 's/ c / c_r /'`
+ shift
+ libswanted="$*"
+ # Configure will probably pick the wrong libc to use for nm
+ # scan.
+ # The safest quick-fix is just to not use nm at all.
+ usenm=false
+ ;;
+ *) cat <<'EOM' >&4
+
+It is not known if FreeBSD $osvers supports POSIX threads or not.
+Consider upgrading to the latest STABLE release.
+
+EOM
+ exit 1
+ ;;
+ esac
+ ;;
+ hpux)
+ if [ "$xxOsRevMajor" -lt 10 ]; then
+ cat <<EOM >&4
+HP-UX $xxOsRevMajor cannot support POSIX threads.
+Consider upgrading to at least HP-UX 11.
+Cannot continue, aborting.
+EOM
+ exit 1
+ fi
+ case "$xxOsRevMajor" in
+ 10)
+ # Under 10.X, a threaded perl can be built, but it needs
+ # libcma and OLD_PTHREADS_API. Also <pthread.h> needs to
+ # be #included before any other includes (in perl.h)
+ if [ ! -f /usr/include/pthread.h -o ! -f /usr/lib/libcma.sl ]; then
+ cat <<EOM >&4
+In HP-UX 10.X for POSIX threads you need both of the files
+/usr/include/pthread.h and /usr/lib/libcma.sl.
+Either you must install the CMA package or you must upgrade to HP-UX 11.
+Cannot continue, aborting.
+EOM
+ exit 1
+ fi
+
+ # HP-UX 10.X uses the old pthreads API
+ case "$d_oldpthreads" in
+ '') d_oldpthreads="$define" ;;
+ esac
+
+ # include libcma before all the others
+ libswanted="cma $libswanted"
+
+ # tell perl.h to include <pthread.h> before other include files
+ ccflags="$ccflags -DPTHREAD_H_FIRST"
+
+ # CMA redefines select to cma_select, and cma_select expects int *
+ # instead of fd_set * (just like 9.X)
+ selecttype='int *'
+ ;;
+ 11 | 12) # 12 may want upping the _POSIX_C_SOURCE
+ ccflags="$ccflags -D_POSIX_C_SOURCE=199506L"
+ libswanted="$libswanted pthread"
+ ;;
+ esac
+ ;;
+ irix)
+ if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then
+ case "`uname -r`" in
+ [1-5].*|6.[01]|6.[01])
+ cat >&4 <<EOM
+IRIX `uname -r` does not support POSIX threads.
+You should upgrade to at least IRIX 6.2 with pthread patches.
+EOM
+ ;;
+ 6.2)
+ cat >&4 <<EOM
+IRIX 6.2 can have the POSIX threads.
+However,the following IRIX patches (or their replacements) MUST be installed:
+ 1404 Irix 6.2 Posix 1003.1b man pages
+ 1645 IRIX 6.2 & 6.3 POSIX header file updates
+ 2000 Irix 6.2 Posix 1003.1b support modules
+ 2254 Pthread library fixes
+ 2401 6.2 all platform kernel rollup
+IMPORTANT:
+ Without patch 2401, a kernel bug in IRIX 6.2 will
+ cause your machine to panic and crash when running
+ threaded perl. IRIX 6.3 and up should be OK.
+EOM
+ ;;
+ [67].*)
+ cat >&4 <<EOM
+IRIX `uname -r` should have the POSIX threads.
+But, somehow, you do not seem to have them installed.
+EOM
+ ;;
+ esac
+ cat >&4 <<EOM
+Cannot continue, aborting.
+EOM
+ exit 1
+ fi
+ set `echo X "$libswanted "| sed -e 's/ c / pthread /'`
+ ld="${cc:-cc}"
+ shift
+ libswanted="$*"
+
+ usemymalloc='n'
+ ;;
+ linux)
+ ccflags="-D_REENTRANT $ccflags"
+
+ set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
+ shift
+ libswanted="$*"
+ ;;
+ os2)
+ ccflags="-Zmt $ccflags"
+ cppflags="-Zmt $cppflags" # Do we really need to set this?
+ aout_ccflags="-DUSE_THREADS $aout_ccflags"
+ aout_cppflags="-DUSE_THREADS $aout_cppflags"
+ aout_lddlflags="-Zmt $aout_lddlflags"
+ aout_ldflags="-Zmt $aout_ldflags"
+ ;;
+ solaris)
+ 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
+ ;;
+ vmesa)
+ ;;
+ *)
+ cat >&4 <<EOM
+$osname is not known to support threads.
+Please let me (jhi@iki.fi) know how to do that.
+
+Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac # $osname
+ ;;
+esac # $usethreads
cat <<EOM
Perl can be built so that multiple Perl interpreters can coexist
archname64=''
+case "$use64bits" in
+"$define")
+ case "$osname" in
+ dec_osf)
+ # Pretty much everything is 64-bit already.
+ ;;
+ hpux)
+ if [ "$xxOsRevMajor" -lt 11 ]; then
+ cat <<EOM >&4
+64-bit compilation is not supported on HP-UX $xxOsRevMajor.
+You need at least HP-UX 11.0.
+Cannot continue, aborting.
+EOM
+ exit 1
+ fi
+ if [ ! -d /lib/pa20_64 ]; then
+ cat <<EOM >&4
+You do not seem to have the 64-bit libraries, /lib/pa20_64.
+Cannot continue, aborting.
+EOM
+ exit 1
+ fi
+ ccflags="$ccflags +DD64 -D_FILE_OFFSET_BITS=64"
+ ldflags="$ldflags +DD64"
+ ld=/usr/bin/ld
+ set `echo " $libswanted " | sed -e 's@ dl @ @'`
+ libswanted="$*"
+ glibpth="/lib/pa20_64"
+ ;;
+ irix)
+ case "`uname -r`" in
+ [1-5]*|6.[01])
+ cat >&4 <<EOM
+IRIX `uname -r` does not support 64-bit types.
+You should upgrade to at least IRIX 6.2.
+Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac
+ case "$ccflags" in
+ *-n32*)
+ ccflags="$ccflags -DUSE_LONG_LONG"
+ archname64="-n32"
+ d_open64="$undef"
+ # In -n32 mode (ILP32LL64) we use the standard open().
+ # In -64 we will use the open64().
+ cat << 'EOM' >&2
+
+You will see a *** WHOA THERE!!! *** message from Configure for
+d_open64. Keep the recommended value. See hints/irix6.sh
+for more information.
+
+EOM
+ ;;
+ esac
+ ccflags="$ccflags -DUSE_64_BIT_FILES"
+ ;;
+ solaris)
+ case "`uname -r`" in
+ 1.*|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 $archname gets it attached.
+ ;;
+ unicos)
+ # Pretty much everything is 64-bit already.
+ ;;
+ *)
+ cat >&4 <<EOM
+$osname is not known to support 64-bit interfaces.
+Please let me (jhi@iki.fi) know how to do that.
+
+Cannot continue, aborting.
+EOM
+ exit 1
+ ;;
+ esac
+ ;;
+esac
: determine the architecture name
echo " "
if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
and run the UU/cc.cbu "call-back" unit. See hints/solaris_2.sh for an
example.
-=item Threading-related flags
-
-Similarly, after Configure prompts the user about whether or not to
-compile Perl with threads, it will look for a "call-back" unit
-usethreads.cbu. See hints/linux.sh for an example.
-
=item Future status
I hope this "call-back" scheme is simple enough to use but powerful
# symbol: boot_$(EXP) can it be auto-generated?
case "$osvers" in
3*)
-lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
+ lddlflags='-H512 -T512 -bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -e _nostart -lc'
;;
*)
-lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc'
-
-;;
+ lddlflags='-bhalt:4 -bM:SRE -bI:$(PERL_INC)/perl.exp -bE:$(BASEEXT).exp -b noentry -lc'
+ ;;
esac
-if [ "X$usethreads" = "X$define" ]; then
- ccflags="$ccflags -DNEED_PTHREAD_INIT"
- case "$cc" in
- xlc_r | cc_r)
- ;;
- cc | '')
- cc=xlc_r # Let us be stricter.
- ;;
- *)
- cat >&4 <<EOM
-Unknown C compiler '$cc'.
-For pthreads you should use the AIX C compilers xlc_r or cc_r.
-Cannot continue, aborting.
-EOM
- exit 1
- ;;
- esac
-
- # Add the POSIX threads library and the re-entrant libc.
-
- lddlflags=`echo $lddlflags | sed 's/ -lc$/ -lpthreads -lc_r -lc/'`
-
- # Add the c_r library to the list of libraries wanted
- # Make sure the c_r library is before the c library or
- # make will fail.
- set `echo X "$libswanted "| sed -e 's/ c / c_r c /'`
-p shift
- libswanted="$*"
-fi
# and it is called GEM. Many of the options we are going to use depend
# on the compiler style.
-# do NOT, I repeat, *NOT* take away those leading tabs
+# do NOT, I repeat, *NOT* take away the leading tabs
+# Configure Black Magic (TM)
# reset
- _DEC_uname_r=
_DEC_cc_style=
- # set
- _DEC_uname_r=`uname -r`
- # _DEC_cc_style set soon below
-# Configure Black Magic (TM)
-
case "$cc" in
*gcc*) ;; # pass
*) # compile something small: taint.c is fine for this.
# Fancy compiler suites use optimising linker as well as compiler.
# <spider@Orb.Nashua.NH.US>
-case "$_DEC_uname_r" in
+case "$`uname -r`" in
*[123].*) # old loader
lddlflags="$lddlflags -O3"
;;
# As noted above the -DDEBUGGING is added automagically by Configure if -g.
case "$optimize" in
*-g*) ;; # left intentionally blank
-*) case "$_DEC_uname_r" in
+*) case "$`uname -r`" in
*[123].*)
case "$useshrplib" in
false|undef|'') lddlflags="$lddlflags -s" ;;
;;
esac
-if [ "X$usethreads" = "X$define" ]; then
- # Threads interfaces changed with V4.0.
- case "$_DEC_uname_r" in
- *[123].*) libswanted="$libswanted pthreads mach exc c_r"
- ccflags="-threads $ccflags"
- ;;
- *) libswanted="$libswanted pthread exc"
- ccflags="-pthread $ccflags"
- ;;
- esac
- usemymalloc='n'
-fi
-
#
# Make embedding in things like INN and Apache more memory friendly.
# Keep it overridable on the Configure command line, though, so that
#
unset _DEC_cc_style
-unset _DEC_uname_r
#
# History:
eagain='EAGAIN'
rd_nodata='-1'
-if [ "X$usethreads" = "X$define" ]; then
- set `echo X "$libswanted "| sed -e 's/ c / gthreads c /'`
- shift
- libswanted="$*"
-fi
EOM
-# XXX EXPERIMENTAL A.D. 03/09/1998
-# XXX This script UU/usethreads.cbu will get 'called-back' by Configure
-# XXX after it has prompted the user for whether to use threads.
-cat > UU/usethreads.cbu <<'EOSH'
-case "$usethreads" in
-$define)
- case "$osvers" in
- 3.0*) ldflags="-pthread $ldflags"
- ;;
- 2.2*) if [ ! -r /usr/lib/libc_r ]; then
- cat <<'EOM' >&4
-POSIX threads are not supported by default on FreeBSD $uname_r. Follow the
-instructions in 'man pthread' to build and install the needed libraries.
-EOM
- exit 1
- fi
- set `echo X "$libswanted "| sed -e 's/ c / c_r /'`
- shift
- libswanted="$*"
- # Configure will probably pick the wrong libc to use for nm
- # scan.
- # The safest quick-fix is just to not use nm at all.
- usenm=false
- ;;
- *) cat <<'EOM' >&4
-It is not known if FreeBSD $uname_r supports POSIX threads or not. Consider
-upgrading to the latest STABLE release.
-EOM
- exit 1
- ;;
- esac
- ;;
-esac
-EOSH
-# XXX EXPERIMENTAL --end of call-back
-
# From: Anton Berezin <tobez@plab.ku.dk>
# To: perl5-porters@perl.org
# Subject: [PATCH 5.005_54] Configure - hints/freebsd.sh signal handler type
selecttype='int *'
fi
-# Under 10.X, a threaded perl can be built, but it needs
-# libcma and OLD_PTHREADS_API. Also <pthread.h> needs to
-# be #included before any other includes (in perl.h)
-if [ "$xxOsRevMajor" -eq 10 -a "X$usethreads" = "X$define" ]; then
-
- if [ ! -f /usr/include/pthread.h -o ! -f /usr/lib/libcma.sl ]; then
- cat <<EOM >&4
-In HP-UX 10.X for threads you need both the files
-/usr/include/pthread.h and /usr/lib/libcma.sl.
-
-Either you must install the CMA package or you must upgrade to HP-UX 11.
-EOM
- exit 1
- fi
-
- # HP-UX 10.X uses the old pthreads API
- case "$d_oldpthreads" in
- '') d_oldpthreads="$define" ;;
- esac
-
- # include libcma before all the others
- libswanted="cma $libswanted"
-
- # tell perl.h to include <pthread.h> before other include files
- ccflags="$ccflags -DPTHREAD_H_FIRST"
-
- # CMA redefines select to cma_select, and cma_select expects int *
- # instead of fd_set * (just like 9.X)
- selecttype='int *'
-fi
-
# Remove bad libraries that will cause problems
# (This doesn't remove libraries that don't actually exist)
# -lld is unneeded (and I can't figure out what it's used for anyway)
# assembler of the form:
# (warning) Use of GR3 when frame >= 8192 may cause conflict.
# These warnings are harmless and can be safely ignored.
-
-# 64-bitness.
-# jhi@iki.fi, inspired by Jeff Okamoto.
-
-if [ X"$use64bits" = X"$define" ]; then
- if [ "$xxOsRevMajor" -lt 11 ]; then
- cat <<EOM >&4
-64-bit compilation is not supported on HP-UX $xxOsRevMajor.
-You need at least HP-UX 11.0.
-EOM
- exit 1
- fi
- if [ ! -d /lib/pa20_64 ]; then
- cat <<EOM >&4
-You do not seem to have the 64-bit libraries, /lib/pa20_64.
-EOM
- exit 1
- fi
- ccflags="$ccflags +DD64 -D_FILE_OFFSET_BITS=64"
- ldflags="$ldflags +DD64"
- ld=/usr/bin/ld
- set `echo " $libswanted " | sed -e 's@ dl @ @'`
- libswanted="$*"
- glibpth="/lib/pa20_64"
-fi
shift
libswanted="$*"
-if [ "X$usethreads" = "X$define" -o "X$usethreads" = "Xy" ]; then
- if test ! -f ${TOOLROOT}/usr/include/pthread.h -o ! -f /usr/lib/libpthread.so; then
- uname_r=`uname -r`
- case "`uname -r`" in
- 5*|6.0|6.1)
- echo >&4 "IRIX $uname_r does not have the POSIX threads."
- echo >&4 "You should upgrade to at least IRIX 6.2 with pthread patches."
- echo >&4 "Cannot continue, aborting."
- exit 1
- ;;
- 6.2)
- echo >&4 ""
-cat >&4 <<EOF
-IRIX 6.2 $uname_r can have the POSIX threads.
-The following IRIX patches (or their replacements) must, however, be installed:
-
- 1404 Irix 6.2 Posix 1003.1b man pages
- 1645 IRIX 6.2 & 6.3 POSIX header file updates
- 2000 Irix 6.2 Posix 1003.1b support modules
- 2254 Pthread library fixes
- 2401 6.2 all platform kernel rollup
-IMPORTANT:
- Without patch 2401, a kernel bug in IRIX 6.2 will
- cause your machine to panic and crash when running
- threaded perl. IRIX 6.3 and up should be OK.
-
-
-Cannot continue, aborting.
-EOF
- exit 1
- ;;
- 6.*|7.*)
- echo >&4 "IRIX $uname_r should have the POSIX threads."
- echo >&4 "But somehow you do not seem to have them installed."
- echo >&4 "Cannot continue, aborting."
- exit 1
- ;;
- esac
- unset uname_r
- fi
- # -lpthread needs to come before -lc but after other libraries such
- # as -lgdbm and such like. We assume here that -lc is present in
- # libswanted. If that fails to be true in future, then this can be
- # changed to add pthread to the very end of libswanted.
- set `echo X "$libswanted "| sed -e 's/ c / pthread /'`
- ld="${cc:-cc}"
- shift
- libswanted="$*"
- usemymalloc='n'
-fi
-
-# 64-bitness.
-# jhi@iki.fi, inspired by Scott Henry.
-
-if [ "X$use64bits" = "X$define" ]; then
- uname_r=`uname -r`
- case "$uname_r" in
- [1-5]*|6.[01])
- echo >&4 "IRIX $uname_r does not support 64-bit types."
- echo >&4 "You should upgrade to at least IRIX 6.2."
- exit 1
- ;;
- esac
- case "$ccflags" in
- *-n32*)
- ccflags="$ccflags -DUSE_LONG_LONG"
- archname64="-n32"
- d_open64="$undef"
- # In -n32 mode (ILP32LL64) we use the standard open().
- # In -64 we will use the open64().
- cat << 'EOM' >&2
-
-You will see a *** WHOA THERE!!! *** message from Configure for
-d_open64. Keep the recommended value. See hints/irix6.sh
-for more information.
-
-EOM
- ;;
- *-64*)
- ;;
- esac
- ccflags="$ccflags -DUSE_64_BIT_FILES"
-fi
# set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ sun / /' -e 's/ crypt / /' -e 's/ nsl / /' -e 's/ dl / /'`
# shift
# libswanted="$*"
-
-if [ "X$usethreads" = "X$define" ]; then
- echo >&4 "IRIX 6.0 does not have POSIX threads."
- echo >&4 "You should upgrade to at least IRIX 6.3."
- echo >&4 "Cannot continue, aborting."
- exit 1
-fi
-
# set `echo X "$libswanted "|sed -e 's/ socket / /' -e 's/ sun / /' -e 's/ crypt / /' -e 's/ nsl / /' -e 's/ dl / /'`
# shift
# libswanted="$*"
-
-if [ "X$usethreads" = "X$define" ]; then
- echo >&4 "IRIX 6.1 does not have POSIX threads."
- echo >&4 "You should upgrade to at least IRIX 6.3."
- echo >&4 "Cannot continue, aborting."
- exit 1
-fi
# it should be:
# ccdlflags='-Wl,-E'
-# XXX EXPERIMENTAL A.D. 2/27/1998
-# XXX This script UU/usethreads.cbu will get 'called-back' by Configure
-# XXX after it has prompted the user for whether to use threads.
-cat > UU/usethreads.cbu <<'EOSH'
-case "$usethreads" in
-$define|true|[yY]*)
- 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="$*"
- ;;
-esac
-EOSH
-# XXX EXPERIMENTAL --end of call-back
d_getprior='define'
d_setprior='define'
-if [ "X$usethreads" = "X$define" ]; then
- ccflags="-Zmt $ccflags"
- cppflags="-Zmt $cppflags" # Do we really need to set this?
- aout_ccflags="-DUSE_THREADS $aout_ccflags"
- aout_cppflags="-DUSE_THREADS $aout_cppflags"
- aout_lddlflags="-Zmt $aout_lddlflags"
- aout_ldflags="-Zmt $aout_ldflags"
-fi
-
# The next two are commented. pdksh handles #!, extproc gives no path part.
# sharpbang='extproc '
# shsharp='false'
# XXX
EOSH
-if [ "X$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
-
-# 64-bitness
-# jhi@iki.fi, inspired by Alan Burlison.
-
-if [ "X$use64bits" = "X$define" ]; then
- uname_r=`uname -r`
- case "$uname_r" in
- 1.*|2.[1-5])
- echo >&4 "Solaris $uname_r does not support 64-bit types."
- echo >&4 "You should upgrade to at least Solaris 2.6."
- exit 1
- ;;
- esac
- ccflags="$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 $archname gets it attached.
-fi
-
# This is just a trick to include some useful notes.
cat > /dev/null <<'End_of_Solaris_Notes'
# hints/vmesa.sh
#
# VM/ESA hints by Neale Ferguson (neale@mailbox.tabnsw.com.au)
-
+#
+# Currently (1999-Jan-09) Configure cannot be used in VM/ESA because
+# too many things are done differently in the C compiler environment.
+# Therefore the hints file is hand-crafted. --jhi@iki.fi
+#
+
case "$archname" in
'') archname="$osname" ;;
esac
projects / p5sagit/p5-mst-13.2.git / commitdiff