Configure syncup

Some of these changes also made it upstream to the dist svn repo.
OpenSource++

1 files changed, 506 insertions, 563 deletions

diff --git a/Configure b/Configure
index 69dd5896c9..4a014d66bc 100755
--- a/Configure
+++ b/Configure
@@ -11,10 +11,13 @@
 # Yes, you may rip this off to use in other distribution packages. This
 # script belongs to the public domain and cannot be copyrighted.
 #
-# Note: this Configure script was generated automatically. Rather than
-# working with this copy of Configure, you may wish to get metaconfig.
-# The dist package (which contains metaconfig) is available via SVN:
-#     svn co https://svn.code.sf.net/p/dist/code/trunk/dist
+# Note: this Configure script was generated automatically by the tool
+# called "metaconfig". Rather than working with this copy of Configure,
+# you may wish to get metaconfig. Perl uses a modified version of this
+# tool, available in the "dist" folder in the checkout of the git repo
+#    $ git clone git://perl5.git.perl.org/metaconfig.git metaconfig
+# The original dist package (including metaconfig) is available via SVN:
+#    $ svn co https://svn.code.sf.net/p/dist/code/trunk/dist
 #
 # Though this script was generated by metaconfig from metaunits, it is
 # OK to send patches against Configure itself. It's up to the Configure
@@ -26,7 +29,6 @@
 #     $ git clone git://perl5.git.perl.org/metaconfig.git metaconfig
 #
 # See Porting/pumpkin.pod for more information on metaconfig.
-#
 
 # Generated using [metaconfig 3.5 PL0]
 # (with additional metaconfig patches by perlbug@perl.org)
@@ -373,12 +375,12 @@ d__fwalk=''
 d_access=''
 d_accessx=''
 d_acosh=''
-d_asinh=''
-d_atanh=''
 d_aintl=''
 d_alarm=''
 asctime_r_proto=''
 d_asctime_r=''
+d_asinh=''
+d_atanh=''
 d_attribute_deprecated=''
 d_attribute_format=''
 d_attribute_malloc=''
@@ -467,10 +469,10 @@ d_fchmod=''
 d_fchown=''
 d_fcntl=''
 d_fcntl_can_lock=''
-d_fdim=''
 d_fd_macros=''
 d_fd_set=''
 d_fds_bits=''
+d_fdim=''
 d_fegetround=''
 d_fgetpos=''
 d_finite=''
@@ -478,7 +480,6 @@ d_finitel=''
 d_flexfnam=''
 d_flock=''
 d_flockproto=''
-d_fdim=''
 d_fma=''
 d_fmax=''
 d_fmin=''
@@ -602,12 +603,14 @@ d_isfinite=''
 d_isfinitel=''
 d_isinf=''
 d_isinfl=''
+d_isless=''
 d_isnan=''
 d_isnanl=''
 d_isnormal=''
 d_j0=''
 d_j0l=''
 d_killpg=''
+d_lc_monetary_2008=''
 d_lchown=''
 d_ldbl_dig=''
 d_lgamma=''
@@ -620,12 +623,11 @@ d_localtime_r=''
 d_localtime_r_needs_tzset=''
 localtime_r_proto=''
 d_locconv=''
-d_lc_monetary_2008=''
 d_lockf=''
-d_ldexpl=''
 d_log1p=''
 d_log2=''
 d_logb=''
+d_ldexpl=''
 d_longdbl=''
 longdblkind=''
 longdblsize=''
@@ -706,6 +708,9 @@ readdir_r_proto=''
 d_readlink=''
 d_readv=''
 d_recvmsg=''
+d_re_comp=''
+d_regcmp=''
+d_regcomp=''
 d_remainder=''
 d_remquo=''
 d_rename=''
@@ -808,6 +813,7 @@ d_srandom_r=''
 srandom_r_proto=''
 d_sresgproto=''
 d_sresuproto=''
+d_stat=''
 d_statblks=''
 d_statfs_f_flags=''
 d_statfs_s=''
@@ -856,6 +862,7 @@ d_system=''
 d_tcgetpgrp=''
 d_tcsetpgrp=''
 d_telldirproto=''
+d_tgamma=''
 d_time=''
 timetype=''
 d_asctime64=''
@@ -869,7 +876,6 @@ clocktype=''
 d_times=''
 d_tmpnam_r=''
 tmpnam_r_proto=''
-d_tgamma=''
 d_trunc=''
 d_truncate=''
 d_truncl=''
@@ -911,7 +917,6 @@ ld=''
 ld_can_script=''
 lddlflags=''
 usedl=''
-doublekind=''
 doublesize=''
 ebcdic=''
 fflushNULL=''
@@ -1086,6 +1091,7 @@ d_PRIeldbl=''
 d_PRIfldbl=''
 d_PRIgldbl=''
 d_SCNfldbl=''
+doublekind=''
 sPRIEUldbl=''
 sPRIFUldbl=''
 sPRIGUldbl=''
@@ -1298,7 +1304,6 @@ libswanted_uselargefiles=''
 uselargefiles=''
 uselongdouble=''
 usemorebits=''
-usequadmath=''
 usemultiplicity=''
 nm_opt=''
 nm_so_opt=''
@@ -1306,6 +1311,7 @@ runnm=''
 usenm=''
 usensgetexecutablepath=''
 useperlio=''
+usequadmath=''
 usesocks=''
 d_oldpthreads=''
 use5005threads=''
@@ -2864,13 +2870,13 @@ $define|true|[yY]*)
 			     }
 			     {
 				 print "# dir = ", dir, "file = ", file
-				 mf[dir] = mf[dir]" "src"/"dir"/"file;
+				 mf[dir] = mf[dir]" "source"/"dir"/"file;
 			     } END {
 				 for (d in mf) {
 				     if (d != ".") { print("mkdir -p "d) }
 				     print("ln -sf "mf[d]" "d);
 				 }
-			     }' src="$src" > UU/mksymlinks.$$
+			     }' source="$src" > UU/mksymlinks.$$
 			sh UU/mksymlinks.$$
 			rm UU/mksymlinks.$$
 			# Sanity check 1.
@@ -4487,14 +4493,6 @@ esac
 set usemultiplicity
 eval $setvar
 
-: Check if usequadmath is requested
-case "$usequadmath" in
-"$define"|true|[yY]*)
-	usequadmath="$define"
-	;;
-*)	usequadmath="$undef" ;;
-esac
-
 : Check if morebits is requested
 case "$usemorebits" in
 "$define"|true|[yY]*)
@@ -5202,6 +5200,12 @@ EOM
     esac
 fi
 
+: Check if quadmath is requested
+case "$usequadmath" in
+"$define"|true|[yY]*) usequadmath="$define" ;;
+*)                    usequadmath="$undef"  ;;
+esac
+
 : Looking for optional libraries
 echo " "
 echo "Checking for optional libraries..." >&4
@@ -6828,93 +6832,6 @@ $rm_try
 set float.h i_float
 eval $inhdr
 
-echo " "
-$echo "Checking the kind of doubles you have..." >&4
-$cat <<EOP >try.c
-#$i_stdlib I_STDLIB
-#define DOUBLESIZE $doublesize
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-#include <stdio.h>
-static const double d = -0.1;
-int main() {
-  unsigned const char* b = (unsigned const char*)(&d);
-#if DOUBLESIZE == 4
-  if (b[0] == 0xCD && b[3] == 0xBD) {
-    /* IEEE 754 32-bit little-endian */
-    printf("1\n");
-    exit(0);
-  }
-  if (b[0] == 0xBD && b[3] == 0xCD) {
-    /* IEEE 754 32-bit big-endian */
-    printf("2\n");
-    exit(0);
-  }
-#endif
-#if DOUBLESIZE == 8
-  if (b[0] == 0x9A && b[7] == 0xBF) {
-    /* IEEE 754 64-bit little-endian */
-    printf("3\n");
-    exit(0);
-  }
-  if (b[0] == 0xBF && b[7] == 0x9A) {
-    /* IEEE 754 64-bit big-endian */
-    printf("4\n");
-    exit(0);
-  }
-  if (b[0] == 0x99 && b[3] == 0xBF && b[4] == 0x9A && b[7] == 0x99) {
-   /* ARM mixed endian: two little-endian 32-bit floats, in big endian order:
-    * 4 5 6 7 0 1 2 3 (MSB = 7, LSB = 0)
-    * 99 99 b9 bf 9a 99 99 99 */
-    printf("7\n");
-    exit(0);
-  }
-  if (b[0] == 0x99 && b[3] == 0x9A && b[4] == 0xBF && b[7] == 0x99) {
-   /* The opposite of case 7, mixed endian: two big-endian 32-bit floats,
-    * in little endian order: 3 2 1 0 7 6 5 4 (MSB = 7, LSB = 0)
-    * 99 99 99 9a bf b9 99 99 */
-    printf("8\n");
-    exit(0);
-  }
-#endif
-#if DOUBLESIZE == 16
-  if (b[0] == 0x9A && b[15] == 0xBF) {
-    /* IEEE 754 128-bit little-endian */
-    printf("5\n");
-    exit(0);
-  }
-  if (b[0] == 0xBF && b[15] == 0x9A) {
-    /* IEEE 754 128-bit big-endian */
-    printf("6\n");
-    exit(0);
-  }
-#endif
-  /* Rumoredly some old ARM processors have 'mixed endian' doubles,
-   * two 32-bit little endians stored in big-endian order. */
-  /* Then there are old mainframe/miniframe formats like VAX, IBM, and CRAY.
-   * Whether those environments can still build Perl is debatable. */
-  printf("-1\n"); /* unknown */
-  exit(0);
-}
-EOP
-set try
-if eval $compile; then
-    doublekind=`$run ./try`
-else
-    doublekind=-1
-fi
-case "$doublekind" in
-1) echo "You have IEEE 754 32-bit little endian doubles." >&4 ;;
-2) echo "You have IEEE 754 32-bit big endian doubles." >&4 ;;
-3) echo "You have IEEE 754 64-bit little endian doubles." >&4 ;;
-4) echo "You have IEEE 754 64-bit big endian doubles." >&4 ;;
-5) echo "You have IEEE 754 128-bit little endian doubles." >&4 ;;
-6) echo "You have IEEE 754 128-bit big endian doubles." >&4 ;;
-*) echo "Cannot figure out your double.  You VAX, or something?" >&4 ;;
-esac
-$rm_try
-
 : check for long doubles
 echo " "
 echo "Checking to see if you have long double..." >&4
@@ -6935,10 +6852,6 @@ eval $setvar
 set ldexpl d_ldexpl
 eval $inlibc
 
-: see if this is a quadmath.h system
-set quadmath.h i_quadmath
-eval $inhdr
-
 : check for length of long double
 case "${d_longdbl}${longdblsize}" in
 $define)
@@ -6973,7 +6886,6 @@ EOCP
 esac
 $rm_try
 
-echo " "
 $echo "Checking the kind of long doubles you have..." >&4
 case "$d_longdbl" in
 define)
@@ -6988,8 +6900,8 @@ $cat <<EOP >try.c
 #ifdef I_STDLIB
 #include <stdlib.h>
 #endif
-static const long double d = -0.1L;
 #include <stdio.h>
+static const long double d = -0.1L;
 int main() {
   unsigned const char* b = (unsigned const char*)(&d);
 #if DOUBLESIZE == LONGDBLSIZE
@@ -7065,154 +6977,6 @@ case "$longdblkind" in
 esac
 $rm_try
 
-: Check print/scan long double stuff
-echo " "
-
-if $test X"$d_longdbl" = X"$define"; then
-
-echo "Checking how to print long doubles..." >&4
-
-if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then
-	$cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
-  double d = 123.456;
-  printf("%.3f\n", d);
-}
-EOCP
-	set try
-	if eval $compile; then
-		yyy=`$run ./try`
-		case "$yyy" in
-		123.456)
-			sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
-			sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"';
-			echo "We will use %f."
-			;;
-		esac
-	fi
-fi
-
-if $test X"$sPRIfldbl" = X; then
-	$cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
-  long double d = 123.456;
-  printf("%.3Lf\n", d);
-}
-EOCP
-	set try
-	if eval $compile; then
-		yyy=`$run ./try`
-		case "$yyy" in
-		123.456)
-			sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
-			sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"';
-			echo "We will use %Lf."
-			;;
-		esac
-	fi
-fi
-
-if $test X"$sPRIfldbl" = X; then
-	$cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
-  long double d = 123.456;
-  printf("%.3llf\n", d);
-}
-EOCP
-	set try
-	if eval $compile; then
-		yyy=`$run ./try`
-		case "$yyy" in
-		123.456)
-			sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
-			sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"';
-			echo "We will use %llf."
-			;;
-		esac
-	fi
-fi
-
-if $test X"$sPRIfldbl" = X; then
-	$cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
-  long double d = 123.456;
-  printf("%.3lf\n", d);
-}
-EOCP
-	set try
-	if eval $compile; then
-		yyy=`$run ./try`
-		case "$yyy" in
-		123.456)
-			sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
-			sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"';
-			echo "We will use %lf."
-			;;
-		esac
-	fi
-fi
-
-if $test X"$sPRIfldbl" = X; then
-	echo "Cannot figure out how to print long doubles." >&4
-else
-	sSCNfldbl=$sPRIfldbl	# expect consistency
-fi
-
-$rm_try
-
-fi # d_longdbl
-
-case "$sPRIfldbl" in
-'')	d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef";
-	d_PRIFUldbl="$undef"; d_PRIGUldbl="$undef"; d_PRIEUldbl="$undef";
-	d_SCNfldbl="$undef";
-	;;
-*)	d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define";
-	d_PRIFUldbl="$define"; d_PRIGUldbl="$define"; d_PRIEUldbl="$define";
-	d_SCNfldbl="$define";
-	;;
-esac
-
-: Before committing on uselongdouble, see whether that looks sane.
-if $test "$uselongdouble" = "$define"; then
-    message=""
-    echo " "
-    echo "Checking if your long double math functions work right..." >&4
-    $cat > try.c <<EOF
-#include <math.h>
-#include <stdio.h>
-int main() {
-  printf("%"$sPRIgldbl"\n", sqrtl(logl(expl(cosl(sinl(0.0L))))+powl(2.0L, 3.0L)));
-}
-EOF
-    case "$osname:$gccversion" in
-    aix:)	saveccflags="$ccflags"
-		ccflags="$ccflags -qlongdouble" ;; # to avoid core dump
-    esac
-    set try
-    if eval $compile_ok; then
-      yyy=`$run ./try`
-    fi
-    case "$yyy" in
-    3) echo "Your long double math functions are working correctly." >&4 ;;
-    *) echo "Your long double math functions are broken, not using long doubles." >&4
-       uselongdouble=$undef
-       ;;
-    esac
-    $rm_try
-    case "$osname:$gccversion" in
-    aix:)	ccflags="$saveccflags" ;; # restore
-    esac
-fi
-
 : determine the architecture name
 echo " "
 if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
@@ -7261,40 +7025,40 @@ y|Y)	useversionedarchname="$define" ;;
 esac
 case "$useversionedarchname" in
 $define)
-        case "$archname" in
-        *-$api_versionstring)
-                echo "...and architecture name already has -$api_versionstring" >&4
-                ;;
-        *)
-                archname="$archname-$api_versionstring"
-                echo "...setting architecture name to $archname." >&4
-                ;;
-        esac
-        ;;
+	case "$archname" in
+	*-$api_versionstring)
+		echo "...and architecture name already has -$api_versionstring" >&4
+		;;
+	*)
+		archname="$archname-$api_versionstring"
+		echo "...setting architecture name to $archname." >&4
+		;;
+	esac
+	;;
 esac
 
 case "$usethreads" in
 $define)
 	echo "Threads selected." >&4
 	case "$archname" in
-        *-thread*) echo "...and architecture name already has -thread." >&4
-                ;;
-        *)      archname="$archname-thread"
-                echo "...setting architecture name to $archname." >&4
-                ;;
-        esac
+	*-thread*) echo "...and architecture name already has -thread." >&4
+		;;
+	*)      archname="$archname-thread"
+		echo "...setting architecture name to $archname." >&4
+		;;
+	esac
 	;;
 esac
 case "$usemultiplicity" in
 $define)
 	echo "Multiplicity selected." >&4
 	case "$archname" in
-        *-multi*) echo "...and architecture name already has -multi." >&4
-                ;;
-        *)      archname="$archname-multi"
-                echo "...setting architecture name to $archname." >&4
-                ;;
-        esac
+	*-multi*) echo "...and architecture name already has -multi." >&4
+		;;
+	*)      archname="$archname-multi"
+		echo "...setting architecture name to $archname." >&4
+		;;
+	esac
 	;;
 esac
 case "$use64bitint$use64bitall" in
@@ -7311,12 +7075,12 @@ case "$use64bitint$use64bitall" in
 		"$define") echo "Maximal 64 bitness selected." >&4 ;;
 		esac
 		case "$archname" in
-	        *-$archname64*) echo "...and architecture name already has $archname64." >&4
-	                ;;
-	        *)      archname="$archname-$archname64"
-	                echo "...setting architecture name to $archname." >&4
-	                ;;
-	        esac
+		*-$archname64*) echo "...and architecture name already has $archname64." >&4
+			;;
+		*)      archname="$archname-$archname64"
+			echo "...setting architecture name to $archname." >&4
+			;;
+		esac
 		;;
 	esac
 esac
@@ -7329,12 +7093,12 @@ $define)
 		;;
 	*)
 		case "$archname" in
-	        *-ld*) echo "...and architecture name already has -ld." >&4
-	                ;;
-	        *)      archname="$archname-ld"
-	                echo "...setting architecture name to $archname." >&4
-        	        ;;
-	        esac
+		*-ld*) echo "...and architecture name already has -ld." >&4
+			;;
+		*)      archname="$archname-ld"
+			echo "...setting architecture name to $archname." >&4
+			;;
+		esac
 		;;
 	esac
 	;;
@@ -7343,12 +7107,12 @@ case "$usequadmath" in
 $define)
 	echo "quadmath selected." >&4
 	case "$archname" in
-        *-ld*) echo "...and architecture name already has -quadmath." >&4
-                ;;
-        *)      archname="$archname-quadmath"
-                echo "...setting architecture name to $archname." >&4
+	*-ld*) echo "...and architecture name already has -quadmath." >&4
 		;;
-        esac
+	*)      archname="$archname-quadmath"
+		echo "...setting architecture name to $archname." >&4
+		;;
+	esac
 	;;
 esac
 if $test -f archname.cbu; then
@@ -10262,6 +10026,239 @@ esac
 set qgcvt d_qgcvt
 eval $inlibc
 
+: Check what kind of doubles your system has
+$echo "Checking the kind of doubles you have..." >&4
+$cat >try.c <<EOP
+#$i_stdlib I_STDLIB
+#define DOUBLESIZE $doublesize
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+static const double d = -0.1;
+int main() {
+  unsigned const char* b = (unsigned const char*)(&d);
+#if DOUBLESIZE == 4
+  if (b[0] == 0xCD && b[3] == 0xBD) {
+    /* IEEE 754 32-bit little-endian */
+    printf("1\n");
+    exit(0);
+  }
+  if (b[0] == 0xBD && b[3] == 0xCD) {
+    /* IEEE 754 32-bit big-endian */
+    printf("2\n");
+    exit(0);
+  }
+#endif
+#if DOUBLESIZE == 8
+  if (b[0] == 0x9A && b[7] == 0xBF) {
+    /* IEEE 754 64-bit little-endian */
+    printf("3\n");
+    exit(0);
+  }
+  if (b[0] == 0xBF && b[7] == 0x9A) {
+    /* IEEE 754 64-bit big-endian */
+    printf("4\n");
+    exit(0);
+  }
+  if (b[0] == 0x99 && b[3] == 0xBF && b[4] == 0x9A && b[7] == 0x99) {
+   /* ARM mixed endian: two little-endian 32-bit floats, in big endian order:
+    * 4 5 6 7 0 1 2 3 (MSB = 7, LSB = 0)
+    * 99 99 b9 bf 9a 99 99 99 */
+    printf("7\n");
+    exit(0);
+  }
+  if (b[0] == 0x99 && b[3] == 0x9A && b[4] == 0xBF && b[7] == 0x99) {
+   /* The opposite of case 7, mixed endian: two big-endian 32-bit floats,
+    * in little endian order: 3 2 1 0 7 6 5 4 (MSB = 7, LSB = 0)
+    * 99 99 99 9a bf b9 99 99 */
+    printf("8\n");
+    exit(0);
+  }
+#endif
+#if DOUBLESIZE == 16
+  if (b[0] == 0x9A && b[15] == 0xBF) {
+    /* IEEE 754 128-bit little-endian */
+    printf("5\n");
+    exit(0);
+  }
+  if (b[0] == 0xBF && b[15] == 0x9A) {
+    /* IEEE 754 128-bit big-endian */
+    printf("6\n");
+    exit(0);
+  }
+#endif
+  /* Then there are old mainframe/miniframe formats like VAX, IBM, and CRAY.
+   * Whether those environments can still build Perl is debatable. */
+  printf("-1\n"); /* unknown */
+  exit(0);
+}
+EOP
+set try
+if eval $compile; then
+    doublekind=`$run ./try`
+else
+    doublekind=-1
+fi
+case "$doublekind" in
+1) echo "You have IEEE 754 32-bit little endian doubles." >&4 ;;
+2) echo "You have IEEE 754 32-bit big endian doubles." >&4 ;;
+3) echo "You have IEEE 754 64-bit little endian doubles." >&4 ;;
+4) echo "You have IEEE 754 64-bit big endian doubles." >&4 ;;
+5) echo "You have IEEE 754 128-bit little endian doubles." >&4 ;;
+6) echo "You have IEEE 754 128-bit big endian doubles." >&4 ;;
+*) echo "Cannot figure out your double.  You VAX, or something?" >&4 ;;
+esac
+$rm_try
+
+: Check print/scan long double stuff
+echo " "
+
+if $test X"$d_longdbl" = X"$define"; then
+
+echo "Checking how to print long doubles..." >&4
+
+if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then
+	$cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+  double d = 123.456;
+  printf("%.3f\n", d);
+}
+EOCP
+	set try
+	if eval $compile; then
+		yyy=`$run ./try`
+		case "$yyy" in
+		123.456)
+			sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"';
+			sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"';
+			echo "We will use %f."
+			;;
+		esac
+	fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+	$cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+  long double d = 123.456;
+  printf("%.3Lf\n", d);
+}
+EOCP
+	set try
+	if eval $compile; then
+		yyy=`$run ./try`
+		case "$yyy" in
+		123.456)
+			sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"';
+			sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"';
+			echo "We will use %Lf."
+			;;
+		esac
+	fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+	$cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+  long double d = 123.456;
+  printf("%.3llf\n", d);
+}
+EOCP
+	set try
+	if eval $compile; then
+		yyy=`$run ./try`
+		case "$yyy" in
+		123.456)
+			sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"';
+			sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"';
+			echo "We will use %llf."
+			;;
+		esac
+	fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+	$cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+  long double d = 123.456;
+  printf("%.3lf\n", d);
+}
+EOCP
+	set try
+	if eval $compile; then
+		yyy=`$run ./try`
+		case "$yyy" in
+		123.456)
+			sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"';
+			sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"';
+			echo "We will use %lf."
+			;;
+		esac
+	fi
+fi
+
+if $test X"$sPRIfldbl" = X; then
+	echo "Cannot figure out how to print long doubles." >&4
+else
+	sSCNfldbl=$sPRIfldbl	# expect consistency
+fi
+
+$rm_try
+
+fi # d_longdbl
+
+case "$sPRIfldbl" in
+'')	d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef";
+	d_PRIFUldbl="$undef"; d_PRIGUldbl="$undef"; d_PRIEUldbl="$undef";
+	d_SCNfldbl="$undef";
+	;;
+*)	d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define";
+	d_PRIFUldbl="$define"; d_PRIGUldbl="$define"; d_PRIEUldbl="$define";
+	d_SCNfldbl="$define";
+	;;
+esac
+
+: Before committing on uselongdouble, see whether that looks sane.
+if $test "$uselongdouble" = "$define"; then
+    message=""
+    echo " "
+    echo "Checking if your long double math functions work right..." >&4
+    $cat > try.c <<EOF
+#include <math.h>
+#include <stdio.h>
+int main() {
+  printf("%"$sPRIgldbl"\n", sqrtl(logl(expl(cosl(sinl(0.0L))))+powl(2.0L, 3.0L)));
+}
+EOF
+    case "$osname:$gccversion" in
+    aix:)	saveccflags="$ccflags"
+		ccflags="$ccflags -qlongdouble" ;; # to avoid core dump
+    esac
+    set try
+    if eval $compile_ok; then
+      yyy=`$run ./try`
+    fi
+    case "$yyy" in
+    3) echo "Your long double math functions are working correctly." >&4 ;;
+    *) echo "Your long double math functions are broken, not using long doubles." >&4
+       uselongdouble=$undef
+       ;;
+    esac
+    $rm_try
+    case "$osname:$gccversion" in
+    aix:)	ccflags="$saveccflags" ;; # restore
+    esac
+fi
+
 : Check how to convert floats to strings.
 
 if test "X$d_Gconvert" = X; then
@@ -10561,6 +10558,10 @@ $rm -f access*
 set accessx d_accessx
 eval $inlibc
 
+: see if acosh exists
+set acosh d_acosh
+eval $inlibc
+
 : see if aintl exists
 set aintl d_aintl
 eval $inlibc
@@ -10867,6 +10868,14 @@ case "$d_asctime_r" in
 	;;
 esac
 
+: see if asinh exists
+set asinh d_asinh
+eval $inlibc
+
+: see if atanh exists
+set atanh d_atanh
+eval $inlibc
+
 : see if atolf exists
 set atolf d_atolf
 eval $inlibc
@@ -11711,6 +11720,10 @@ set d_castneg
 eval $setvar
 $rm_try
 
+: see if cbrt exists
+set cbrt d_cbrt
+eval $inlibc
+
 : see if vprintf exists
 echo " "
 if set vprintf val -f d_vprintf; eval $csym; $val; then
@@ -12075,6 +12088,10 @@ fi
 set d_const
 eval $setvar
 
+: see if copysign exists
+set copysign d_copysign
+eval $inlibc
+
 : see if copysignl exists
 set copysignl d_copysignl
 eval $inlibc
@@ -13182,146 +13199,6 @@ esac
 set i_sysfile
 eval $setvar
 
-: see if acosh exists
-set acosh d_acosh
-eval $inlibc
-
-: see if asinh exists
-set asinh d_asinh
-eval $inlibc
-
-: see if atanh exists
-set atanh d_atanh
-eval $inlibc
-
-: see if cbrt exists
-set cbrt d_cbrt
-eval $inlibc
-
-: see if copysign exists
-set copysign d_copysign
-eval $inlibc
-
-: see if erf exists
-set erf d_erf
-eval $inlibc
-
-: see if erfc exists
-set erfc d_erfc
-eval $inlibc
-
-: see if exp2 exists
-set exp2 d_exp2
-eval $inlibc
-
-: see if expm1 exists
-set expm1 d_expm1
-eval $inlibc
-
-: see if fdim exists
-set fdim d_fdim
-eval $inlibc
-
-: see if fma exists
-set fma d_fma
-eval $inlibc
-
-: see if fmax exists
-set fmax d_fmax
-eval $inlibc
-
-: see if fmin exists
-set fmin d_fmin
-eval $inlibc
-
-: see if hypot exists
-set hypot d_hypot
-eval $inlibc
-
-: see if ilogb exists
-set ilogb d_ilogb
-eval $inlibc
-
-: see if lgamma exists
-set lgamma d_lgamma
-eval $inlibc
-
-: see if lgamma_r exists
-set lgamma_r d_lgamma_r
-eval $inlibc
-
-: see if llrint exists
-set llrint d_llrint
-eval $inlibc
-
-: see if llround exists
-set llround d_llround
-eval $inlibc
-
-: see if log1p exists
-set log1p d_log1p
-eval $inlibc
-
-: see if log2 exists
-set log2 d_log2
-eval $inlibc
-
-: see if logb exists
-set logb d_logb
-eval $inlibc
-
-: see if lrint exists
-set lrint d_lrint
-eval $inlibc
-
-: see if lround exists
-set lround d_lround
-eval $inlibc
-
-: see if nan exists
-set nan d_nan
-eval $inlibc
-
-: see if nearbyint exists
-set nearbyint d_nearbyint
-eval $inlibc
-
-: see if nextafter exists
-set nextafter d_nextafter
-eval $inlibc
-
-: see if nexttoward exists
-set nexttoward d_nexttoward
-eval $inlibc
-
-: see if remainder exists
-set remainder d_remainder
-eval $inlibc
-
-: see if remquo exists
-set remquo d_remquo
-eval $inlibc
-
-: see if rint exists
-set rint d_rint
-eval $inlibc
-
-: see if round exists
-set round d_round
-eval $inlibc
-
-: see if scalbn exists
-set scalbn d_scalbn
-eval $inlibc
-
-: see if tgamma exists
-set tgamma d_tgamma
-eval $inlibc
-
-: see if trunc exists
-set trunc d_trunc
-eval $inlibc
-
 : see if fcntl.h is there
 val=''
 set fcntl.h val
@@ -13589,6 +13466,22 @@ EOCP
 esac
 $rm_try head.c mtry
 
+: see if erf exists
+set erf d_erf
+eval $inlibc
+
+: see if erfc exists
+set erfc d_erfc
+eval $inlibc
+
+: see if exp2 exists
+set exp2 d_exp2
+eval $inlibc
+
+: see if expm1 exists
+set expm1 d_expm1
+eval $inlibc
+
 : see if _ptr and _cnt from stdio act std
 echo " "
 
@@ -14034,6 +13927,10 @@ EOM
 fi
 $rm_try
 
+: see if fdim exists
+set fdim d_fdim
+eval $inlibc
+
 : see if fegetround exists
 set fegetround d_fegetround
 eval $inlibc
@@ -14059,6 +13956,18 @@ echo " "
 set d_flockproto flock $i_sysfile sys/file.h
 eval $hasproto
 
+: see if fma exists
+set fma d_fma
+eval $inlibc
+
+: see if fmax exists
+set fmax d_fmax
+eval $inlibc
+
+: see if fmin exists
+set fmin d_fmin
+eval $inlibc
+
 : see if fp_class exists
 set fp_class d_fp_class
 eval $inlibc
@@ -15743,6 +15652,14 @@ esac
 set d_htonl
 eval $setvar
 
+: see if hypot exists
+set hypot d_hypot
+eval $inlibc
+
+: see if ilogb exists
+set ilogb d_ilogb
+eval $inlibc
+
 : see if ilogbl exists
 set ilogbl d_ilogbl
 eval $inlibc
@@ -15974,6 +15891,31 @@ eval $inlibc
 set killpg d_killpg
 eval $inlibc
 
+: see if localeconv exists
+set localeconv d_locconv
+eval $inlibc
+
+: see if libc has the POSIX.1-2008 currency locale rules
+case "$d_locconv:$d_lc_monetary_2008" in
+$define:)
+	$cat >try.c <<EOCP
+#include <locale.h>
+int main() {
+	struct lconv *lc = localeconv();
+	char int_p_cs_precedes = lc->int_p_cs_precedes;
+	return 0;
+}
+EOCP
+	set try
+	if eval $compile; then
+		d_lc_monetary_2008="$define"
+	else
+		d_lc_monetary_2008="$undef"
+	fi;
+	$rm_try
+	;;
+esac
+
 : see if lchown exists
 echo " "
 $cat > try.c <<'EOCP'
@@ -16033,6 +15975,14 @@ $rm -f ldbl_dig.?
 set d_ldbl_dig
 eval $setvar
 
+: see if lgamma exists
+set lgamma d_lgamma
+eval $inlibc
+
+: see if lgamma_r exists
+set lgamma_r d_lgamma_r
+eval $inlibc
+
 : check to see if math.h defines _LIB_VERSION
 d_libm_lib_version="$undef"
 case $i_math in
@@ -16061,102 +16011,18 @@ EOCP
 
     esac
 
-: check for fpclassify
-echo " "
-echo "Checking to see if you have fpclassify..." >&4
-$cat >try.c <<EOCP
-#$i_math I_MATH
-#ifdef I_MATH
-#include <math.h>
-#endif
-int main() { return fpclassify(1.0) == FP_NORMAL ? 0 : 1; }
-EOCP
-set try
-if eval $compile; then
-	val="$define"
-	echo "You have fpclassify."
-else
-	val="$undef"
-	echo "You do not have fpclassify."
-fi
-$rm_try
-set d_fpclassify
-eval $setvar
-
-: check for isfinite
-echo " "
-echo "Checking to see if you have isfinite..." >&4
-$cat >try.c <<EOCP
-#$i_math I_MATH
-#ifdef I_MATH
-#include <math.h>
-#endif
-int main() { return isfinite(0.0); }
-EOCP
-set try
-if eval $compile; then
-	val="$define"
-	echo "You have isfinite."
-else
-	val="$undef"
-	echo "You do not have isfinite."
-fi
-$rm_try
-set d_isfinite
-eval $setvar
-
-: check for isinf
-echo " "
-echo "Checking to see if you have isinf..." >&4
-$cat >try.c <<EOCP
-#$i_math I_MATH
-#ifdef I_MATH
-#include <math.h>
-#endif
-int main() { return isinf(0.0); }
-EOCP
-set try
-if eval $compile; then
-	val="$define"
-	echo "You have isinf."
-else
-	val="$undef"
-	echo "You do not have isinf."
-fi
-$rm_try
-set d_isinf
-eval $setvar
-
-: check for isnan
-echo " "
-echo "Checking to see if you have isnan..." >&4
-$cat >try.c <<EOCP
-#$i_math I_MATH
-#ifdef I_MATH
-#include <math.h>
-#endif
-int main() { return isnan(0.0); }
-EOCP
-set try
-if eval $compile; then
-	val="$define"
-	echo "You have isnan."
-else
-	val="$undef"
-	echo "You do not have isnan."
-fi
-$rm_try
-set d_isnan
-eval $setvar
-
-: see if this is a quadmath.h system
-set quadmath.h i_quadmath
-eval $inhdr
-
 : see if link exists
 set link d_link
 eval $inlibc
 
+: see if llrint exists
+set llrint d_llrint
+eval $inlibc
+
+: see if llround exists
+set llround d_llround
+eval $inlibc
+
 : see if localtime_r exists
 set localtime_r d_localtime_r
 eval $inlibc
@@ -16276,33 +16142,28 @@ EOCP
 esac
 $rm_try
 
-: see if localeconv exists
-set localeconv d_locconv
+: see if lockf exists
+set lockf d_lockf
 eval $inlibc
 
-: see if libc has the POSIX.1-2008 currency locale rules
-case "$d_locconv:$d_lc_monetary_2008" in
-  $define:)
-	$cat >try.c <<EOCP
-#include <locale.h>
-int main() {
-	struct lconv *lc = localeconv();
-	char int_p_cs_precedes = lc->int_p_cs_precedes;
-	return 0;
-}
-EOCP
-	set try
-	if eval $compile; then
-		d_lc_monetary_2008="$define"
-	else
-		d_lc_monetary_2008="$undef"
-	fi;
-	$rm_try
-	;;
-esac
+: see if log1p exists
+set log1p d_log1p
+eval $inlibc
 
-: see if lockf exists
-set lockf d_lockf
+: see if log2 exists
+set log2 d_log2
+eval $inlibc
+
+: see if logb exists
+set logb d_logb
+eval $inlibc
+
+: see if lrint exists
+set lrint d_lrint
+eval $inlibc
+
+: see if lround exists
+set lround d_lround
 eval $inlibc
 
 : see if prototype for lseek is available
@@ -16610,6 +16471,22 @@ eval $inlibc
 set munmap d_munmap
 eval $inlibc
 
+: see if nan exists
+set nan d_nan
+eval $inlibc
+
+: see if nearbyint exists
+set nearbyint d_nearbyint
+eval $inlibc
+
+: see if nextafter exists
+set nextafter d_nextafter
+eval $inlibc
+
+: see if nexttoward exists
+set nexttoward d_nexttoward
+eval $inlibc
+
 : see if nice exists
 set nice d_nice
 eval $inlibc
@@ -16622,6 +16499,10 @@ eval $inhdr
 set nl_langinfo d_nl_langinfo
 eval $inlibc
 
+: see if this is a quadmath.h system
+set quadmath.h i_quadmath
+eval $inhdr
+
 : check for volatile keyword
 echo " "
 echo 'Checking to see if your C compiler knows about "volatile"...' >&4
@@ -17586,14 +17467,56 @@ eval $inlibc
 set recvmsg d_recvmsg
 eval $inlibc
 
+: see if regcomp, regcmp, or re_comp exist, for regular pattern matching
+echo " "
+if set regcomp val -f d_regcomp; eval $csym; $val; then
+	echo 'regcomp() found.' >&4
+	d_regcomp="$define"
+	d_regcmp="$undef"
+	d_re_comp="$undef"
+elif set regcmp val -f d_regcmp; eval $csym; $val; then
+	echo 'regcmp() found.' >&4
+	d_regcmp="$define"
+	d_regcomp="$undef"
+	d_re_comp="$undef"
+elif set re_comp val -f d_re_comp; eval $csym; $val; then
+	echo 're_comp() found, assuming re_exec() also exists.' >&4
+	d_re_comp="$define"
+	d_regcomp="$undef"
+	d_regcmp="$undef"
+else
+	$cat >&4 <<EOM
+No regcomp(), regcmp() nor re_comp() found !! No regular pattern matching.
+EOM
+	d_regcmp="$undef"
+	d_re_comp="$undef"
+	d_regcomp="$undef"
+fi
+
+: see if remainder exists
+set remainder d_remainder
+eval $inlibc
+
+: see if remquo exists
+set remquo d_remquo
+eval $inlibc
+
 : see if rename exists
 set rename d_rename
 eval $inlibc
 
+: see if rint exists
+set rint d_rint
+eval $inlibc
+
 : see if rmdir exists
 set rmdir d_rmdir
 eval $inlibc
 
+: see if round exists
+set round d_round
+eval $inlibc
+
 : see if memory.h is available.
 val=''
 set memory.h val
@@ -17829,6 +17752,10 @@ echo " "
 set d_sbrkproto sbrk $i_unistd unistd.h
 eval $hasproto
 
+: see if scalbn exists
+set scalbn d_scalbn
+eval $inlibc
+
 : see if select exists
 set select d_select
 eval $inlibc
@@ -18927,6 +18854,10 @@ echo " "
 set d_sresuproto setresuid $i_unistd unistd.h
 eval $hasproto
 
+: see if stat exists
+set stat d_stat
+eval $inlibc
+
 : see if sys/stat.h is available
 set sys/stat.h i_sysstat
 eval $inhdr
@@ -19549,6 +19480,10 @@ echo " "
 set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
 eval $hasproto
 
+: see if tgamma exists
+set tgamma d_tgamma
+eval $inlibc
+
 : see if time exists
 echo " "
 if test "X$d_time" = X -o X"$timetype" = X; then
@@ -19634,6 +19569,10 @@ case "$d_tmpnam_r" in
 	;;
 esac
 
+: see if trunc exists
+set trunc d_trunc
+eval $inlibc
+
 : see if truncate exists
 set truncate d_truncate
 eval $inlibc
@@ -24028,14 +23967,15 @@ d_isfinite='$d_isfinite'
 d_isfinitel='$d_isfinitel'
 d_isinf='$d_isinf'
 d_isinfl='$d_isinfl'
+d_isless='$d_isless'
 d_isnan='$d_isnan'
 d_isnanl='$d_isnanl'
 d_isnormal='$d_isnormal'
 d_j0='$d_j0'
 d_j0l='$d_j0l'
 d_killpg='$d_killpg'
-d_lchown='$d_lchown'
 d_lc_monetary_2008='$d_lc_monetary_2008'
+d_lchown='$d_lchown'
 d_ldbl_dig='$d_ldbl_dig'
 d_ldexpl='$d_ldexpl'
 d_lgamma='$d_lgamma'
@@ -24049,7 +23989,6 @@ d_localtime64='$d_localtime64'
 d_localtime_r='$d_localtime_r'
 d_localtime_r_needs_tzset='$d_localtime_r_needs_tzset'
 d_locconv='$d_locconv'
-d_lgamma='$d_lgamma'
 d_lockf='$d_lockf'
 d_log1p='$d_log1p'
 d_log2='$d_log2'
@@ -24139,12 +24078,15 @@ d_pwquota='$d_pwquota'
 d_qgcvt='$d_qgcvt'
 d_quad='$d_quad'
 d_random_r='$d_random_r'
+d_re_comp='$d_re_comp'
 d_readdir64_r='$d_readdir64_r'
 d_readdir='$d_readdir'
 d_readdir_r='$d_readdir_r'
 d_readlink='$d_readlink'
 d_readv='$d_readv'
 d_recvmsg='$d_recvmsg'
+d_regcmp='$d_regcmp'
+d_regcomp='$d_regcomp'
 d_remainder='$d_remainder'
 d_remquo='$d_remquo'
 d_rename='$d_rename'
@@ -24228,6 +24170,7 @@ d_srand48_r='$d_srand48_r'
 d_srandom_r='$d_srandom_r'
 d_sresgproto='$d_sresgproto'
 d_sresuproto='$d_sresuproto'
+d_stat='$d_stat'
 d_statblks='$d_statblks'
 d_statfs_f_flags='$d_statfs_f_flags'
 d_statfs_s='$d_statfs_s'
@@ -24277,8 +24220,8 @@ d_times='$d_times'
 d_tm_tm_gmtoff='$d_tm_tm_gmtoff'
 d_tm_tm_zone='$d_tm_tm_zone'
 d_tmpnam_r='$d_tmpnam_r'
-d_truncate='$d_truncate'
 d_trunc='$d_trunc'
+d_truncate='$d_truncate'
 d_truncl='$d_truncl'
 d_ttyname_r='$d_ttyname_r'
 d_tzname='$d_tzname'