X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/57bce8812ba4e6da4ddb13a5a2340d3329ac6cd5..1a8aefec218b12053a0d3589cae2c353c1360887:/Configure

diff --git a/Configure b/Configure
index e12c8bb..5a353d6 100755
--- a/Configure
+++ b/Configure
@@ -475,6 +475,7 @@ d_fcntl_can_lock=''
 d_fd_macros=''
 d_fd_set=''
 d_fds_bits=''
+d_fdclose=''
 d_fdim=''
 d_fegetround=''
 d_fgetpos=''
@@ -653,6 +654,7 @@ d_mbtowc=''
 d_memchr=''
 d_memcmp=''
 d_memcpy=''
+d_memmem=''
 d_memmove=''
 d_memset=''
 d_mkdir=''
@@ -664,7 +666,6 @@ d_mktime=''
 d_mmap=''
 mmaptype=''
 d_modfl=''
-d_modfl_pow32_bug=''
 d_modflproto=''
 d_mprotect=''
 d_msg=''
@@ -677,6 +678,11 @@ d_msync=''
 d_munmap=''
 d_nan=''
 d_nearbyint=''
+d_duplocale=''
+d_freelocale=''
+d_newlocale=''
+d_uselocale=''
+i_xlocale=''
 d_nextafter=''
 d_nexttoward=''
 d_nice=''
@@ -784,6 +790,14 @@ d_shmctl=''
 d_shmdt=''
 d_shmget=''
 d_sigaction=''
+d_siginfo_si_addr=''
+d_siginfo_si_band=''
+d_siginfo_si_errno=''
+d_siginfo_si_fd=''
+d_siginfo_si_pid=''
+d_siginfo_si_status=''
+d_siginfo_si_uid=''
+d_siginfo_si_value=''
 d_signbit=''
 d_sigprocmask=''
 d_sigsetjmp=''
@@ -925,6 +939,7 @@ ld_can_script=''
 lddlflags=''
 usedl=''
 doublesize=''
+dtraceobject=''
 ebcdic=''
 fflushNULL=''
 fflushall=''
@@ -1408,10 +1423,6 @@ fi
 
 groupstype=''
 i_whoami=''
-: Trailing extension.  Override this in a hint file, if needed.
-: Extra object files, if any, needed on this platform.
-archobjs=''
-archname=''
 : Possible local include directories to search.
 : Set locincpth to "" in a hint file to defeat local include searches.
 locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
@@ -1424,6 +1435,9 @@ inclwanted=''
 EBUGGING=''
 DEBUGGING=''
 
+: Trailing extension.  Override this in a hint file, if needed.
+: Extra object files, if any, needed on this platform.
+archobjs=''
 libnames=''
 : change the next line if compiling for Xenix/286 on Xenix/386
 xlibpth='/usr/lib/386 /lib/386'
@@ -1447,8 +1461,6 @@ plibpth=''
 libswanted=''
 : some systems want to use only the non-versioned libso:s
 ignore_versioned_solibs=''
-: set usethreads on the Configure command line to enable threads.
-usereentrant='undef'
 ccname=''
 ccversion=''
 perllibs=''
@@ -1462,9 +1474,12 @@ ldflags_uselargefiles=''
 libswanted_uselargefiles=''
 : set usemultiplicity on the Configure command line to enable multiplicity.
 : set usesocks on the Configure command line to enable socks.
+archname=''
+: set usethreads on the Configure command line to enable threads.
+usereentrant='undef'
 : List of libraries we want.
 : If anyone needs extra -lxxx, put those in a hint file.
-libswanted="cl pthread socket bind inet nsl nm ndbm gdbm dbm db malloc dl ld"
+libswanted="cl pthread socket bind inet nsl ndbm gdbm dbm db malloc dl ld"
 libswanted="$libswanted sun m crypt sec util c cposix posix ucb bsd BSD"
 : We probably want to search /usr/shlib before most other libraries.
 : This is only used by the lib/ExtUtils/MakeMaker.pm routine extliblist.
@@ -1679,7 +1694,6 @@ alldone=''
 error=''
 silent=''
 extractsh=''
-override=''
 knowitall=''
 rm -f optdef.sh posthint.sh
 cat >optdef.sh <<EOS
@@ -1709,7 +1723,7 @@ while test $# -gt 0; do
 	-s) shift; silent=true; realsilent=true;;
 	-E) shift; alldone=exit;;
 	-K) shift; knowitall=true;;
-	-O) shift; override=true;;
+	-O) shift;;
 	-S) shift; silent=true; extractsh=true;;
 	-D)
 		shift
@@ -1818,7 +1832,7 @@ Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
          -Dprefix=/opt/perl5      choose your destination
   -E : stop at the end of questions, after having produced config.sh.
   -K : do not use unless you know what you are doing.
-  -O : let -D and -U override definitions from loaded configuration file.
+  -O : ignored for backward compatibility
   -S : perform variable substitutions on all .SH files (can mix with -f)
   -U : undefine symbol:
          -U symbol    symbol gets the value 'undef'
@@ -1865,7 +1879,7 @@ esac
 
 : run the defines and the undefines, if any, but leave the file out there...
 touch optdef.sh
-grep -q '\\' optdef.sh
+grep '\\' optdef.sh >/dev/null 2>&1
 if test $? = 0; then
     echo "Configure does not support \\ in -D arguments"
     exit 1
@@ -2040,7 +2054,7 @@ true)
 	echo "Fetching answers from $config_sh..."
 	cd ..
 	. $config_sh
-	test "$override" && . ./optdef.sh
+	. UU/optdef.sh
 	echo " "
 	. UU/extract
 	rm -rf UU
@@ -2120,22 +2134,21 @@ fi
 rm -f missing x??
 
 : Find the appropriate value for a newline for tr
-echo " "
 if test -n "$DJGPP"; then
        trnl='\012'
 fi
 if test X"$trnl" = X; then
-	case "`echo foo|tr '\n' x 2>/dev/null`" in
+	case "`echo foo | tr '\n' x 2>/dev/null`" in
 	foox) trnl='\n' ;;
 	esac
 fi
 if test X"$trnl" = X; then
-	case "`echo foo|tr '\012' x 2>/dev/null`" in
+	case "`echo foo | tr '\012' x 2>/dev/null`" in
 	foox) trnl='\012' ;;
 	esac
 fi
 if test X"$trnl" = X; then
-       case "`echo foo|tr '\r\n' xy 2>/dev/null`" in
+       case "`echo foo | tr '\r\n' xy 2>/dev/null`" in
        fooxy) trnl='\n\r' ;;
        esac
 fi
@@ -3793,7 +3806,7 @@ cd UU
 	hint=previous
 	;;
 esac
-test "$override" && . ./optdef.sh
+. ./optdef.sh
 
 : Restore computed paths
 for file in $loclist $trylist; do
@@ -5550,7 +5563,12 @@ esac
 : the following weeds options from ccflags that are of no interest to cpp
 case "$cppflags" in
 '') cppflags="$ccflags" ;;
-*)  cppflags="$cppflags $ccflags" ;;
+*)  set X $ccflags; shift
+    case " $cppflags " in
+    *" $1 "*) ;;  # Try to avoid doubling the cppflags.
+    *) cppflags="$cppflags $ccflags" ;;
+    esac
+    ;;
 esac
 case "$gccversion" in
 1*) cppflags="$cppflags -D__GNUC__"
@@ -6952,17 +6970,26 @@ int main() {
   }
 #endif
 /* For alignment 32-bit platforms have the 80 bits in 12 bytes,
- * while 64-bits platforms have it in 16 bytes. */
+ * while 64-bits platforms have it in 16 bytes.  The trailing bytes
+ * cannot be trusted. */
 #if LDBL_MANT_DIG == 64 && (LONGDBLSIZE == 16 || LONGDBLSIZE == 12)
-  if (b[0] == 0xCD && b[9] == 0xBF && b[10] == 0x00) {
+  if (b[0] == 0xCD && b[9] == 0xBF) {
     /* x86 80-bit little-endian, sizeof 12 (ILP32, Solaris x86)
      * or 16 (LP64, Linux and OS X), 4 or 6 bytes of padding.
      * Also known as "extended precision". */
     printf("3\n");
     exit(0);
   }
-  if (b[0] == 0xBF && b[9] == 0xCD && b[10] == 0x00) {
-    /* is there ever big-endian 80-bit, really? */
+  if (b[0] == 0xBF && b[9] == 0xCD) {
+    /* Is there ever big-endian 80-bit, really?
+     *
+     * The Motorola 68881 had another "extended precision" format:
+     * sign:1 exp:15 zero:16 integer:1 mantissa:63
+     * for total of 96 bits of bytes.  The zero bits were unused.
+     * See "M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL" for more details.
+     * If it ever becomes relevant, this format should be allocated
+     * a new doublekind code since it's quite different from the Intel x87.
+     */
     printf("4\n");
     exit(0);
   }
@@ -6971,17 +6998,35 @@ int main() {
   /* software "double double", the 106 is 53+53.
    * but irix thinks it is 107. */
   if (b[0] == 0x9A && b[7] == 0x3C && b[8] == 0x9A && b[15] == 0xBF) {
-    /* double double 128-bit little-endian,
+    /* double double 128-bit fully little-endian,
+     * little-endian doubles in little-endian order,
      * 9a 99 99 99 99 99 59 3c 9a 99 99 99 99 99 b9 bf */
     printf("5\n");
     exit(0);
   }
   if (b[0] == 0xBF && b[7] == 0x9A && b[8] == 0x3C && b[15] == 0x9A) {
-    /* double double 128-bit big-endian, e.g. PPC/Power and MIPS:
+    /* double double 128-bit fully big-endian,
+     * big-endian doubles in big-endian order,
+     * e.g. PPC/Power and MIPS:
      * bf b9 99 99 99 99 99 9a 3c 59 99 99 99 99 99 9a */
     printf("6\n");
     exit(0);
   }
+  if (b[0] == 0x9A && b[7] == 0xBF && b[8] == 0x9A && b[15] == 0x3C) {
+    /* double double 128-bit mixed endian.
+     * little-endian doubles in big-endian order,
+     * e.g. ppc64el,
+     * 9a 99 99 99 99 99 b9 bf 9a 99 99 99 99 99 59 3c */
+    printf("7\n");
+    exit(0);
+  }
+  if (b[0] == 0x3C && b[7] == 0x9A && b[8] == 0xBF && b[15] == 0x9A) {
+    /* double double 128-bit mixed endian,
+     * big-endian doubles in little-endian order,
+     * 3c 59 99 99 99 99 99 9a bf b9 99 99 99 99 99 9a */
+    printf("8\n");
+    exit(0);
+  }
 #endif
   printf("-1\n"); /* unknown */
   exit(0);
@@ -7002,8 +7047,10 @@ case "$longdblkind" in
 2) echo "You have IEEE 754 128-bit big endian long doubles." >&4 ;;
 3) echo "You have x86 80-bit little endian long doubles." >& 4 ;;
 4) echo "You have x86 80-bit big endian long doubles." >& 4 ;;
-5) echo "You have 128-bit little-endian double-double long doubles." >& 4 ;;
-6) echo "You have 128-bit big-endian double-double long doubles." >& 4 ;;
+5) echo "You have 128-bit fully little-endian double-double long doubles (64-bit LEs in LE)." >& 4 ;;
+6) echo "You have 128-bit fully big-endian double-double long doubles (64-bit BEs in BE)." >& 4 ;;
+7) echo "You have 128-bit mixed double-double long doubles (64-bit LEs in BE)." >& 4 ;;
+8) echo "You have 128-bit mixed double-double long doubles (64-bit BEs in LE)." >& 4 ;;
 *) echo "Cannot figure out your long double." >&4 ;;
 esac
 $rm_try
@@ -13328,7 +13375,7 @@ echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4
 case "$eagain" in
 '')
 	case "$d_fork:$d_pipe:$d_alarm" in
-	define:define)
+	define:define:define)
 	$cat head.c > try.c
 	$cat >>try.c <<EOCP
 #include <errno.h>
@@ -13958,6 +14005,10 @@ EOM
 fi
 $rm_try
 
+: see if fdclose exists
+set fdclose d_fdclose
+eval $inlibc
+
 : see if fdim exists
 set fdim d_fdim
 eval $inlibc
@@ -14078,6 +14129,26 @@ $rm_try
 set d_fpos64_t
 eval $setvar
 
+: see if this is an xlocale.h system
+set xlocale.h i_xlocale
+eval $inhdr
+
+: see if newlocale exists
+set newlocale d_newlocale
+eval $inlibc
+
+: see if freelocale exists
+set freelocale d_freelocale
+eval $inlibc
+
+: see if uselocale exists
+set uselocale d_uselocale
+eval $inlibc
+
+: see if duplocale exists
+set duplocale d_duplocale
+eval $inlibc
+
 : see if frexpl exists
 set frexpl d_frexpl
 eval $inlibc
@@ -16258,6 +16329,10 @@ eval $inlibc
 set memcpy d_memcpy
 eval $inlibc
 
+: see if memmem exists
+set memmem d_memmem
+eval $inlibc
+
 : see if memmove exists
 set memmove d_memmove
 eval $inlibc
@@ -16338,69 +16413,6 @@ echo " "
 set d_modflproto modfl $i_math math.h
 eval $hasproto
 
-d_modfl_pow32_bug="$undef"
-
-case "$d_longdbl$d_modfl" in
-$define$define)
-	$cat <<EOM
-Checking to see whether your modfl() is okay for large values...
-EOM
-$cat >try.c <<EOCP
-#include <math.h>
-#include <stdio.h>
-EOCP
-if $test "X$d_modflproto" != "X$define"; then
-	$cat >>try.c <<EOCP
-/* Sigh. many current glibcs provide the function, but do not prototype it. */
-long double modfl (long double, long double *);
-EOCP
-fi
-$cat >>try.c <<EOCP
-int main() {
-    long double nv = 4294967303.15;
-    long double v, w;
-    v = modfl(nv, &w);
-#ifdef __GLIBC__
-    printf("glibc");
-#endif
-    printf(" %"$sPRIfldbl" %"$sPRIfldbl" %"$sPRIfldbl"\n", nv, v, w);
-    return 0;
-}
-EOCP
-	case "$osname:$gccversion" in
-	aix:)	saveccflags="$ccflags"
-		ccflags="$ccflags -qlongdouble" ;; # to avoid core dump
-	esac
-	set try
-	if eval $compile; then
-		foo=`$run ./try`
-		case "$foo" in
-		*" 4294967303.150000 1.150000 4294967302.000000")
-			echo >&4 "Your modfl() is broken for large values."
-			d_modfl_pow32_bug="$define"
-			case "$foo" in
-			glibc)	echo >&4 "You should upgrade your glibc to at least 2.2.2 to get a fixed modfl()."
-			;;
-			esac
-			;;
-		*" 4294967303.150000 0.150000 4294967303.000000")
-			echo >&4 "Your modfl() seems okay for large values."
-			;;
-		*)	echo >&4 "I don't understand your modfl() at all."
-			d_modfl="$undef"
-			;;
-		esac
-		$rm_try
-	else
-		echo "I cannot figure out whether your modfl() is okay, assuming it isn't."
-		d_modfl="$undef"
-	fi
-	case "$osname:$gccversion" in
-	aix:)	ccflags="$saveccflags" ;; # restore
-	esac
-	;;
-esac
-
 if $test "$uselongdouble" = "$define"; then
     message=""
     if $test "$d_sqrtl" != "$define"; then
@@ -17160,16 +17172,21 @@ EOM
 set readlink d_readlink
 eval $inlibc
 
-: Check if exe is symlink to abs path of executing program
+: Check if there is a /proc symlink to the abs path of
+: the executing program.  We will honor hints of d_procselfexe=$undef
+: or procselfexe being non-empty, otherwise will try to determine both
+: if we have readlink.
+: AmigaOS will attempt to mount proc: aka /proc, if /proc/... is
+: referenced, and AmigaOS does not have a proc filesystem anyway.
 echo " "
-procselfexe=''
 val="$undef"
-case "$d_procselfexe" in
-'')
-case "$d_readlink" in
-    "$define")
-	: NetBSD first as /proc/self is a symlink to /proc/curproc, and it feels
-	: more tidy to avoid an extra level of symlink
+if $test "X$d_procselfexe" = Xundef; then
+	procselfexe=''
+elif $test "X$procselfexe" != X -a "X$procselfexe" != 'X '; then
+	val="$define"
+elif $test "X$d_readlink" = Xdefine; then
+        : NetBSD first as /proc/self is a symlink to /proc/curproc,
+        : and it feels more tidy to avoid an extra level of symlink
 	set NetBSD /proc/curproc/exe Linux /proc/self/exe FreeBSD /proc/curproc/file Solaris /proc/self/path/a.out
 	while test $# -gt 0; do
 	    type=$1; try=$2
@@ -17185,13 +17202,10 @@ case "$d_readlink" in
 		fi
 	    fi
 	done
-	;;
-esac
+fi
 $rm -f reflect
 set d_procselfexe
 eval $setvar
-;;
-esac
 
 : backward compatibility for d_hvfork
 if test X$d_hvfork != X; then
@@ -18574,6 +18588,102 @@ fi
 set d_sigaction; eval $setvar
 $rm_try
 
+: see what type pids are declared as in the kernel
+rp="What is the type of process ids on this system?"
+set pid_t pidtype int stdio.h sys/types.h
+eval $typedef_ask
+
+: see what type uids are declared as in the kernel
+echo " "
+echo "Looking for the type for user ids returned by getuid()."
+set uid_t uidtype xxx stdio.h sys/types.h
+eval $typedef
+case "$uidtype" in
+xxx)
+	xxx=`./findhdr sys/user.h`
+	set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short
+	case $1 in
+	unsigned) dflt="$1 $2" ;;
+	*) dflt="$1" ;;
+	esac
+	;;
+*) dflt="$uidtype";;
+esac
+case "$uidtype" in
+uid_t)	echo "uid_t found." ;;
+*)	rp="What is the type for user ids returned by getuid()?"
+	. ./myread
+	uidtype="$ans"
+	;;
+esac
+
+: Define hasfield_t macro for Configure internal use
+hasfield_t='varname=$1; struct=$2; type=$3; field=$4; shift; shift; shift; shift;
+while $test $# -ge 2; do
+    case "$1" in
+	$define) echo "#include <$2>";;
+    esac ;
+    shift 2;
+done > try.c;
+echo "int main () { $struct foo; $type bar = foo.$field; }" >> try.c;
+set try;
+if eval $compile; then
+	val="$define";
+else
+	val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm_try'
+
+: see what siginfo fields we have
+case "$d_sigaction" in
+"$define")
+	echo "Checking if your siginfo_t has si_errno field...">&4
+	set d_siginfo_si_errno siginfo_t int si_errno $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_pid field...">&4
+	set d_siginfo_si_pid siginfo_t $pidtype si_pid $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_uid field...">&4
+	set d_siginfo_si_uid siginfo_t $uidtype si_uid $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_addr field...">&4
+	set d_siginfo_si_addr siginfo_t "void *" si_addr $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_status field...">&4
+	set d_siginfo_si_status siginfo_t int si_status $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_band field...">&4
+	set d_siginfo_si_band siginfo_t long si_band $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_value field...">&4
+	set d_siginfo_si_value siginfo_t "union sigval" si_value $d_sigaction signal.h
+	eval $hasfield_t;
+
+	echo "Checking if your siginfo_t has si_fd field...">&4
+	set d_siginfo_si_fd siginfo_t int si_fd $d_sigaction signal.h
+	eval $hasfield_t;
+
+	;;
+*)
+	d_siginfo_si_errno="$undef"
+	d_siginfo_si_pid="$undef"
+	d_siginfo_si_uid="$undef"
+	d_siginfo_si_addr="$undef"
+	d_siginfo_si_status="$undef"
+	d_siginfo_si_band="$undef"
+	d_siginfo_si_value="$undef"
+	d_siginfo_si_fd="$undef"
+	;;
+esac
+
 : see if this is a sunmath.h system
 set sunmath.h i_sunmath
 eval $inhdr
@@ -20050,20 +20160,11 @@ eval $inlibc
 echo " "
 case "$alignbytes" in
     '') echo "Checking alignment constraints..." >&4
-	if $test "X$uselongdouble" = Xdefine -a "X$d_longdbl" = Xdefine; then
-	    $cat >try.c <<'EOCP'
-typedef long double NV;
-EOCP
-	else
-	    $cat >try.c <<'EOCP'
-typedef double NV;
-EOCP
-	fi
-	$cat >>try.c <<'EOCP'
+	$cat >try.c <<EOCP
 #include <stdio.h>
 struct foobar {
     char foo;
-    NV bar;
+    $nvtype bar;
 } try_algn;
 int main()
 {
@@ -20512,14 +20613,22 @@ else
        ;;
        esac
        ;;
-    5) # 128-bit LE "double double"
+    5) # 128-bit LE-LE "double double"
        longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f'
        longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f'
        ;;
-    6) # 128-bit BE "double double"
+    6) # 128-bit BE-BE "double double"
        longdblinfbytes='0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
        longdblnanbytes='0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
        ;;
+    7) # 128-bit LE-BE "double double"
+       longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       ;;
+    8) # 128-bit BE-LE "double double"
+       longdblinfbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       longdblnanbytes='0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00'
+       ;;
     *) # No idea.
        longdblinfbytes=$undef
        longdblnanbytes=$undef
@@ -20578,7 +20687,7 @@ $cat >try.c <<EOP
  * and the top bit must have been one since 387, zero is plain invalid.
  * For normal fp values, the LDBL_MANT_DIG is fine, though. */
 #  define BITS LDBL_MANT_DIG
-# elif ($longdblkind == 5 || $longdblkind == 6) /* double double */
+# elif ($longdblkind == 5 || $longdblkind == 6 || $longdblkind == 7 || $longdblkind == 8) /* double double */
 /* LDBL_MANT_DIG of 106 (twice 53) would be logical, but for some
  * reason e.g. Irix thinks 107.  But in any case, we want only
  * the number of real bits, the implicit bits are of no interest.  */
@@ -20638,6 +20747,35 @@ seedfunc="Perl_drand48_init"
 randbits=48
 randseedtype=U32
 
+: Probe whether dtrace builds an object, as newer Illumos requires an input
+: object file that uses at least one of the probes defined in the .d file
+case "$usedtrace" in
+$define)
+    case "$dtraceobject" in
+    $define|true|[yY]*)
+        dtraceobject=$define
+        ;;
+    ' '|'')
+        $dtrace -h -s ../perldtrace.d -o perldtrace.h
+        $cat >try.c <<EOM
+#include "perldtrace.h"
+int main(void) {
+    PERL_LOADED_FILE("dummy");
+    return 0;
+}
+EOM
+        dtraceobject=$undef
+        if $cc -c -o try.o $optimize $ccflags try.c \
+                    && $dtrace -G -s ../perldtrace.d try.o >/dev/null 2>&1; then
+                dtraceobject=$define
+            echo "Your dtrace builds an object file"
+        fi
+        $rm -f try.c try.o perldtrace.o
+        ;;
+    *) dtraceobject=$undef ;;
+    esac
+esac
+
 : Determine if this is an EBCDIC system
 echo " "
 echo "Determining whether or not we are on an EBCDIC system..." >&4
@@ -21621,11 +21759,6 @@ rp='What pager is used on your system?'
 . ./getfile
 pager="$ans"
 
-: see what type pids are declared as in the kernel
-rp="What is the type of process ids on this system?"
-set pid_t pidtype int stdio.h sys/types.h
-eval $typedef_ask
-
 : see if ar generates random libraries by itself
 echo " "
 echo "Checking how to generate random libraries on your machine..." >&4
@@ -22230,8 +22363,12 @@ $rm -f signal.c signal$_exe signal$_o signal.nsg signal.ls1
 EOS
 chmod a+x signal_cmd
 $eunicefix signal_cmd
+;;
+esac
 
 : generate list of signal names
+case "$sig_num_init" in
+'')
 echo " "
 case "$sig_name_init" in
 '') doinit=yes ;;
@@ -22513,30 +22650,6 @@ else
 fi
 $rm -f stdioh
 
-: see what type uids are declared as in the kernel
-echo " "
-echo "Looking for the type for user ids returned by getuid()."
-set uid_t uidtype xxx stdio.h sys/types.h
-eval $typedef
-case "$uidtype" in
-xxx)
-	xxx=`./findhdr sys/user.h`
-	set `grep '_ruid;' "$xxx" 2>/dev/null` unsigned short
-	case $1 in
-	unsigned) dflt="$1 $2" ;;
-	*) dflt="$1" ;;
-	esac
-	;;
-*) dflt="$uidtype";;
-esac
-case "$uidtype" in
-uid_t)	echo "uid_t found." ;;
-*)	rp="What is the type for user ids returned by getuid()?"
-	. ./myread
-	uidtype="$ans"
-	;;
-esac
-
 : Check size of UID
 echo " "
 case "$uidtype" in
@@ -23155,7 +23268,7 @@ case "$osname-$gccversion" in
 irix-) ccflags="\$ccflags -woff 1178" ;;
 os2-*) ccflags="\$ccflags -Zlinker /PM:VIO" ;;
 esac
-$cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs && $run ./try | $sed 's/ /\\\\ /g'
+$cc -o try -Dcpp_stuff=$cpp_stuff $optimize \$ccflags $ldflags try.c $libs 2>/dev/null && $run ./try | $sed 's/ /\\\\ /g'
 EOSH
 chmod +x Cppsym.try
 $eunicefix Cppsym.try
@@ -23252,7 +23365,7 @@ fi
 
 : add -D_FORTIFY_SOURCE if feasible and not already there
 case "$gccversion" in
-4.*)	case "$optimize$ccflags" in
+[45].*)	case "$optimize$ccflags" in
 	*-O*)	case "$ccflags$cppsymbols" in
 		*_FORTIFY_SOURCE=*) # Don't add it again.
 			echo "You seem to have -D_FORTIFY_SOURCE already, not adding it." >&4
@@ -23262,11 +23375,11 @@ case "$gccversion" in
 			;;
 		esac
 		;;
-	*)	echo "You have gcc 4.* but not optimizing, not adding -D_FORTIFY_SOURCE." >&4
+	*)	echo "You have gcc 4.* or later but not optimizing, not adding -D_FORTIFY_SOURCE." >&4
 		;;
 	esac
 	;;
-*)	echo "You seem not to have gcc 4.*, not adding -D_FORTIFY_SOURCE." >&4
+*)	echo "You seem not to have gcc 4.* or later, not adding -D_FORTIFY_SOURCE." >&4
 	;;
 esac
 
@@ -24143,6 +24256,7 @@ d_dosuid='$d_dosuid'
 d_drand48_r='$d_drand48_r'
 d_drand48proto='$d_drand48proto'
 d_dup2='$d_dup2'
+d_duplocale='$d_duplocale'
 d_eaccess='$d_eaccess'
 d_endgrent='$d_endgrent'
 d_endgrent_r='$d_endgrent_r'
@@ -24170,6 +24284,7 @@ d_fcntl='$d_fcntl'
 d_fcntl_can_lock='$d_fcntl_can_lock'
 d_fd_macros='$d_fd_macros'
 d_fd_set='$d_fd_set'
+d_fdclose='$d_fdclose'
 d_fdim='$d_fdim'
 d_fds_bits='$d_fds_bits'
 d_fegetround='$d_fegetround'
@@ -24192,6 +24307,7 @@ d_fpclassify='$d_fpclassify'
 d_fpclassl='$d_fpclassl'
 d_fpgetround='$d_fpgetround'
 d_fpos64_t='$d_fpos64_t'
+d_freelocale='$d_freelocale'
 d_frexpl='$d_frexpl'
 d_fs_data_s='$d_fs_data_s'
 d_fseeko='$d_fseeko'
@@ -24332,6 +24448,7 @@ d_mbtowc='$d_mbtowc'
 d_memchr='$d_memchr'
 d_memcmp='$d_memcmp'
 d_memcpy='$d_memcpy'
+d_memmem='$d_memmem'
 d_memmove='$d_memmove'
 d_memset='$d_memset'
 d_mkdir='$d_mkdir'
@@ -24343,7 +24460,6 @@ d_mktime64='$d_mktime64'
 d_mktime='$d_mktime'
 d_mmap='$d_mmap'
 d_modfl='$d_modfl'
-d_modfl_pow32_bug='$d_modfl_pow32_bug'
 d_modflproto='$d_modflproto'
 d_mprotect='$d_mprotect'
 d_msg='$d_msg'
@@ -24364,6 +24480,7 @@ d_nan='$d_nan'
 d_ndbm='$d_ndbm'
 d_ndbm_h_uses_prototypes='$d_ndbm_h_uses_prototypes'
 d_nearbyint='$d_nearbyint'
+d_newlocale='$d_newlocale'
 d_nextafter='$d_nextafter'
 d_nexttoward='$d_nexttoward'
 d_nice='$d_nice'
@@ -24474,6 +24591,14 @@ d_shmctl='$d_shmctl'
 d_shmdt='$d_shmdt'
 d_shmget='$d_shmget'
 d_sigaction='$d_sigaction'
+d_siginfo_si_addr='$d_siginfo_si_addr'
+d_siginfo_si_band='$d_siginfo_si_band'
+d_siginfo_si_errno='$d_siginfo_si_errno'
+d_siginfo_si_fd='$d_siginfo_si_fd'
+d_siginfo_si_pid='$d_siginfo_si_pid'
+d_siginfo_si_status='$d_siginfo_si_status'
+d_siginfo_si_uid='$d_siginfo_si_uid'
+d_siginfo_si_value='$d_siginfo_si_value'
 d_signbit='$d_signbit'
 d_sigprocmask='$d_sigprocmask'
 d_sigsetjmp='$d_sigsetjmp'
@@ -24556,6 +24681,7 @@ d_uname='$d_uname'
 d_union_semun='$d_union_semun'
 d_unordered='$d_unordered'
 d_unsetenv='$d_unsetenv'
+d_uselocale='$d_uselocale'
 d_usleep='$d_usleep'
 d_usleepproto='$d_usleepproto'
 d_ustat='$d_ustat'
@@ -24595,6 +24721,7 @@ doublesize='$doublesize'
 drand01='$drand01'
 drand48_r_proto='$drand48_r_proto'
 dtrace='$dtrace'
+dtraceobject='$dtraceobject'
 dynamic_ext='$dynamic_ext'
 eagain='$eagain'
 ebcdic='$ebcdic'
@@ -24770,6 +24897,7 @@ i_values='$i_values'
 i_varargs='$i_varargs'
 i_varhdr='$i_varhdr'
 i_vfork='$i_vfork'
+i_xlocale='$i_xlocale'
 ignore_versioned_solibs='$ignore_versioned_solibs'
 inc_version_list='$inc_version_list'
 inc_version_list_init='$inc_version_list_init'