fix the API description of SvLEN_set()

[perl5.git] / hints / freebsd.sh

diff --git a/hints/freebsd.sh b/hints/freebsd.sh
index 7122813..8d436a1 100644 (file)
--- a/hints/freebsd.sh
+++ b/hints/freebsd.sh
@@ -20,7 +20,7 @@
 #
 # Modified to ensure we replace -lc with -lc_r, and
 # to put in place-holders for various specific hints.
 #
 # Modified to ensure we replace -lc with -lc_r, and
 # to put in place-holders for various specific hints.

-# Andy Dougherty <doughera@lafcol.lafayette.edu>
+# Andy Dougherty <doughera@lafayette.edu>

 # Date: Tue Mar 10 16:07:00 EST 1998
 #
 # Support for FreeBSD/ELF
 # Date: Tue Mar 10 16:07:00 EST 1998
 #
 # Support for FreeBSD/ELF


@@ -62,12 +62,15 @@ case "$osvers" in
 #
 # Even though seteuid/setegid are available, they've been turned off
 # because perl isn't coded with saved set[ug]id variables in mind.
 #
 # Even though seteuid/setegid are available, they've been turned off
 # because perl isn't coded with saved set[ug]id variables in mind.

-# In addition, a small patch is requried to suidperl to avoid a security
+# In addition, a small patch is required to suidperl to avoid a security

 # problem with FreeBSD.
 #
 2.0.5*|2.0-built*|2.1*)
        usevfork='true'
 # problem with FreeBSD.
 #
 2.0.5*|2.0-built*|2.1*)
        usevfork='true'

-       usemymalloc='n'
+       case "$usemymalloc" in
+           "") usemymalloc='n'
+               ;;
+       esac

        d_setregid='define'
        d_setreuid='define'
        d_setegid='undef'
        d_setregid='define'
        d_setreuid='define'
        d_setegid='undef'


@@ -79,22 +82,25 @@ case "$osvers" in
 # don't use -lmalloc (maybe there's an old one from 1.1.5.1 floating around)
 2.2*)
        usevfork='true'
 # don't use -lmalloc (maybe there's an old one from 1.1.5.1 floating around)
 2.2*)
        usevfork='true'

-       usemymalloc='n'
+       case "$usemymalloc" in
+           "") usemymalloc='n'
+               ;;
+       esac

        libswanted=`echo $libswanted | sed 's/ malloc / /'`
        libswanted=`echo $libswanted | sed 's/ malloc / /'`

+       libswanted=`echo $libswanted | sed 's/ bind / /'`
+       # iconv gone in Perl 5.8.1, but if someone compiles 5.8.0 or earlier.
+       libswanted=`echo $libswanted | sed 's/ iconv / /'`

        d_setregid='define'
        d_setreuid='define'
        d_setregid='define'
        d_setreuid='define'

-       d_setegid='undef'
-       d_seteuid='undef'
+       d_setegid='define'
+       d_seteuid='define'
+       # d_dosuid='define' # Obsolete.

        ;;
        ;;

-3.*)
-       usevfork='true'         
-       usemymalloc='n'
-       libswanted=`echo $libswanted | sed 's/ malloc / /'`     
-       ;;
-#
-# Guesses at what will be needed after 3.*

 *)     usevfork='true'
 *)     usevfork='true'

-       usemymalloc='n'
+       case "$usemymalloc" in
+           "") usemymalloc='n'
+               ;;
+       esac

        libswanted=`echo $libswanted | sed 's/ malloc / /'`
        ;;
 esac
        libswanted=`echo $libswanted | sed 's/ malloc / /'`
        ;;
 esac


@@ -104,32 +110,41 @@ esac
 case "$osvers" in
 0.*|1.0*) ;;
 
 case "$osvers" in
 0.*|1.0*) ;;
 

-1*|2*) cccdlflags='-DPIC -fpic'
+1.*|2.*)
+       cccdlflags='-DPIC -fpic'

        lddlflags="-Bshareable $lddlflags"
        ;;
 
        lddlflags="-Bshareable $lddlflags"
        ;;
 

-*)
+3*|4*|5*|6*)

         objformat=`/usr/bin/objformat`
         objformat=`/usr/bin/objformat`

-        if [ x$objformat = xelf ]; then
-            libpth="/usr/lib /usr/local/lib"
-            glibpth="/usr/lib /usr/local/lib"
-            ldflags="-Wl,-E "
-            lddlflags="-shared "
-        else
+        if [ x$objformat = xaout ]; then

             if [ -e /usr/lib/aout ]; then
                 libpth="/usr/lib/aout /usr/local/lib /usr/lib"
                 glibpth="/usr/lib/aout /usr/local/lib /usr/lib"
             fi
             lddlflags='-Bshareable'
             if [ -e /usr/lib/aout ]; then
                 libpth="/usr/lib/aout /usr/local/lib /usr/lib"
                 glibpth="/usr/lib/aout /usr/local/lib /usr/lib"
             fi
             lddlflags='-Bshareable'

+        else
+            libpth="/usr/lib /usr/local/lib"
+            glibpth="/usr/lib /usr/local/lib"
+            ldflags="-Wl,-E "
+            lddlflags="-shared "

         fi
         fi

-        cccdlflags='-DPIC -fpic'
+        cccdlflags='-DPIC -fPIC'

         ;;
         ;;

+*)
+       libpth="/usr/lib /usr/local/lib"
+       glibpth="/usr/lib /usr/local/lib"
+       ldflags="-Wl,-E "
+        lddlflags="-shared "
+        cccdlflags='-DPIC -fPIC'
+       ;;

 esac
 
 case "$osvers" in
 esac
 
 case "$osvers" in

-0*|1*|2*|3*) ;;
+0.*|1.*|2.*|3.*) ;;

 
 *)
 
 *)

+       ccflags="${ccflags} -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H"

        if /usr/bin/file -L /usr/lib/libc.so | /usr/bin/grep -vq "not stripped" ; then
            usenm=false
        fi
        if /usr/bin/file -L /usr/lib/libc.so | /usr/bin/grep -vq "not stripped" ; then
            usenm=false
        fi


@@ -179,12 +194,12 @@ esac
 cat > UU/usethreads.cbu <<'EOCBU'
 case "$usethreads" in
 $define|true|[yY]*)
 cat > UU/usethreads.cbu <<'EOCBU'
 case "$usethreads" in
 $define|true|[yY]*)

-        lc_r=`/sbin/ldconfig -r|grep ':-lc_r'|awk '{print $NF}'|tail -1`
+        lc_r=`/sbin/ldconfig -r|grep ':-lc_r'|awk '{print $NF}'|sed -n '$p'`

         case "$osvers" in  
         case "$osvers" in  

-       0*|1*|2.0*|2.1*)   cat <<EOM >&4
+       0.*|1.*|2.0*|2.1*)   cat <<EOM >&4

 I did not know that FreeBSD $osvers supports POSIX threads.
 
 I did not know that FreeBSD $osvers supports POSIX threads.
 

-Feel free to tell perlbug@perl.com otherwise.
+Feel free to tell perlbug@perl.org otherwise.

 EOM
              exit 1
              ;;
 EOM
              exit 1
              ;;


@@ -194,7 +209,8 @@ EOM
 POSIX threads are not supported well by FreeBSD $osvers.
 
 Please consider upgrading to at least FreeBSD 2.2.8,
 POSIX threads are not supported well by FreeBSD $osvers.
 
 Please consider upgrading to at least FreeBSD 2.2.8,

-or preferably to 3.something.
+or preferably to the most recent -RELEASE or -STABLE
+version (see http://www.freebsd.org/releases/).

 
 (While 2.2.7 does have pthreads, it has some problems
  with the combination of threads and pipes and therefore
 
 (While 2.2.7 does have pthreads, it has some problems
  with the combination of threads and pipes and therefore


@@ -203,7 +219,7 @@ EOM
              exit 1
              ;;
 
              exit 1
              ;;
 

-       *)
+       [3-5].*)

              if [ ! -r "$lc_r" ]; then
              cat <<EOM >&4
 POSIX threads should be supported by FreeBSD $osvers --
              if [ ! -r "$lc_r" ]; then
              cat <<EOM >&4
 POSIX threads should be supported by FreeBSD $osvers --


@@ -214,14 +230,50 @@ Consider using the latest STABLE release.
 EOM
                 exit 1
              fi
 EOM
                 exit 1
              fi

+             # 500016 is the first osreldate in which one could
+             # just link against libc_r without disposing of libc
+             # at the same time.  500016 ... up to whatever it was
+             # on the 31st of August 2003 can still be used with -pthread,
+             # but it is not necessary.
+
+             # Anton Berezin says that post 500something we're wrong to be
+             # to be using -lc_r, and should just be using -pthread on the
+             # linker line.
+             # So presumably really we should be checking that $osver is 5.*)
+             # and that `/sbin/sysctl -n kern.osreldate` -ge 500016
+             # or -lt 500something and only in that range not doing this:
+             ldflags="-pthread $ldflags"
+
+             # Both in 4.x and 5.x gethostbyaddr_r exists but
+             # it is "Temporary function, not threadsafe"...
+             # Presumably earlier it didn't even exist.
+             d_gethostbyaddr_r="undef"
+             d_gethostbyaddr_r_proto="0"
+             ;;
+
+       *)
+             # 7.x doesn't install libc_r by default, and Configure
+             # would fail in the code following
+             #
+             # gethostbyaddr_r() appears to have been implemented in 6.x+

              ldflags="-pthread $ldflags"
              ;;
 
        esac
 
              ldflags="-pthread $ldflags"
              ;;
 
        esac
 

-       set `echo X "$libswanted "| sed -e 's/ c / c_r /'`
-       shift
-       libswanted="$*"
+        case "$osvers" in
+        [1-4]*)
+           set `echo X "$libswanted "| sed -e 's/ c / c_r /'`
+           shift
+           libswanted="$*"
+           ;;
+        *)
+           set `echo X "$libswanted "| sed -e 's/ c //'`
+           shift
+           libswanted="$*"
+           ;;
+       esac
+           

        # 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
        # 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


@@ -235,5 +287,26 @@ EOM
         esac
 
         unset lc_r
         esac
 
         unset lc_r

+
+       # Even with the malloc mutexes the Perl malloc does not
+       # seem to be threadsafe in FreeBSD?
+       case "$usemymalloc" in
+       '') usemymalloc=n ;;
+       esac

 esac
 EOCBU
 esac
 EOCBU

+
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
+# XXX Under FreeBSD 6.0 (and probably most other similar versions)
+# Perl_die(NULL) generates a warning:
+#    pp_sys.c:491: warning: null format string
+# Configure supposedely tests for this, but apparently the test doesn't
+# work.  Volunteers with FreeBSD are needed to improving the Configure test.
+# Meanwhile, the following workaround should be safe on all versions
+# of FreeBSD.
+d_printf_format_null='undef'
+