X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Configure;h=4b55fa6d0b7b6051a9d791b7a8af11c3f7d592f1;hb=564319723c2c18fa4801cd77e0d203a582b4d5a3;hp=bb6251334f4bca12c89651ce41f472b044f92aa3;hpb=88d5303d191e58a0c71dd3c473c0a89f4f526d8c;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/Configure b/Configure
index bb62513..4b55fa6 100755
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
 
 # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
 #
-# Generated on Sat Aug 14 02:00:00 EET DST 1999 [metaconfig 3.0 PL70]
+# Generated on Mon Aug 30 22:33:03 EET DST 1999 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.com)
 
 cat >/tmp/c1$$ <<EOF
@@ -399,6 +399,7 @@ d_inetaton=''
 d_isascii=''
 d_killpg=''
 d_lchown=''
+d_ldbl_dig=''
 d_link=''
 d_locconv=''
 d_lockf=''
@@ -808,15 +809,6 @@ ssizetype=''
 startperl=''
 startsh=''
 stdchar=''
-d_fgetpos64=''
-d_fopen64=''
-d_freopen64=''
-d_fseek64=''
-d_fseeko64=''
-d_fsetpos64=''
-d_ftell64=''
-d_ftello64=''
-d_tmpfile64=''
 d_stdio_stream_array=''
 stdio_stream_array=''
 d_strtoull=''
@@ -3551,7 +3543,7 @@ privlib="$ans"
 privlibexp="$ansexp"
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installprivlib=`echo $privlibexp | sed 's#^$prefix#$installprefix#'`
+	installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
 else
 	installprivlib="$privlibexp"
 fi
@@ -3596,7 +3588,7 @@ else
 fi
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installarchlib=`echo $archlibexp | sed 's#^$prefix#$installprefix#'`
+	installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
 else
 	installarchlib="$archlibexp"
 fi
@@ -4159,7 +4151,7 @@ none) libs=' ';;
 *) libs="$ans";;
 esac
 
-: determine optimize, if desired, or use for debug flag also
+: determine optimization, if desired, or use for debug flag also
 case "$optimize" in
 ' '|$undef) dflt='none';;
 '') dflt='-O';;
@@ -4167,11 +4159,10 @@ case "$optimize" in
 esac
 $cat <<EOH
 
-Some C compilers have problems with their optimizers.  By default, $package
-compiles with the -O flag to use the optimizer.  Alternately, you might want
-to use the symbolic debugger, which uses the -g flag (on traditional Unix
-systems).  Either flag can be specified here.  To use neither flag, specify
-the word "none".
+By default, $package compiles with the -O flag to use the optimizer.
+Alternately, you might want to use the symbolic debugger, which uses
+the -g flag (on traditional Unix systems).  Either flag can be
+specified here.  To use neither flag, specify the word "none".
 
 EOH
 rp="What optimizer/debugger flag should be used?"
@@ -4185,7 +4176,7 @@ dflt=''
 : We will not override a previous value, but we might want to
 : augment a hint file
 case "$hint" in
-none|recommended)
+default|recommended)
 	case "$gccversion" in
 	1*) dflt='-fpcc-struct-return' ;;
 	esac
@@ -4200,6 +4191,25 @@ none|recommended)
 		fi
 		;;
 	esac
+	case "$gccversion" in
+	1*) ;;
+	2.[0-8]*) ;;
+	*) 	echo " "
+		echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
+		echo 'int main(void) { return 0; }' > gcctest.c
+		if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
+			echo "Yes, it does." 2>&1
+			case "$ccflags" in
+			*strict-aliasing*) 
+				echo "Leaving current flags $ccflags alone." 2>&1
+				;;
+			*) dflt="$dflt -fno-strict-aliasing" ;;
+			esac
+		else
+			echo "Nope, it doesn't, but that's ok." 2>&1
+		fi
+		;;
+	esac
 	;;
 esac
 
@@ -4241,7 +4251,7 @@ $define)
 esac
 
 case "$hint" in
-none|recommended) dflt="$ccflags $dflt" ;;
+default|recommended) dflt="$ccflags $dflt" ;;
 *) dflt="$ccflags";;
 esac
 
@@ -4706,7 +4716,7 @@ case "$vendorprefix" in
 	vendorlibexp="$ansexp"
 	: Change installation prefix, if necessary.
 	if $test X"$prefix" != X"$installprefix"; then
-		installvendorlib=`echo $vendorlibexp | $sed 's#^$prefix#$installprefix#'`
+		installvendorlib=`echo $vendorlibexp | $sed "s#^$prefix#$installprefix#"`
 	else
 		installvendorlib="$vendorlibexp"
 	fi
@@ -4769,7 +4779,7 @@ binexp="$ansexp"
 : Change installation prefix, if necessary.
 : XXX Bug? -- ignores Configure -Dinstallprefix setting.
 if $test X"$prefix" != X"$installprefix"; then
-	installbin=`echo $binexp | sed 's#^$prefix#$installprefix#'`
+	installbin=`echo $binexp | sed "s#^$prefix#$installprefix#"`
 else
 	installbin="$binexp"
 fi
@@ -5751,7 +5761,7 @@ esac
 
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installman1dir=`echo $man1direxp | $sed 's#^$prefix#$installprefix#'`
+	installman1dir=`echo $man1direxp | $sed "s#^$prefix#$installprefix#"`
 else
 	installman1dir="$man1direxp"
 fi
@@ -5894,7 +5904,7 @@ esac
 
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installman3dir=`echo $man3direxp | $sed 's#^$prefix#$installprefix#'`
+	installman3dir=`echo $man3direxp | $sed "s#^$prefix#$installprefix#"`
 else
 	installman3dir="$man3direxp"
 fi
@@ -6326,7 +6336,7 @@ scriptdir="$ans"
 scriptdirexp="$ansexp"
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installscript=`echo $scriptdirexp | sed 's#^$prefix#$installprefix#'`
+	installscript=`echo $scriptdirexp | sed "s#^$prefix#$installprefix#"`
 else
 	installscript="$scriptdirexp"
 fi
@@ -6391,7 +6401,7 @@ sitelib="$ans"
 sitelibexp="$ansexp"
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installsitelib=`echo $sitelibexp | sed 's#^$prefix#$installprefix#'`
+	installsitelib=`echo $sitelibexp | sed "s#^$prefix#$installprefix#"`
 else
 	installsitelib="$sitelibexp"
 fi
@@ -6421,7 +6431,7 @@ sitearch="$ans"
 sitearchexp="$ansexp"
 : Change installation prefix, if necessary.
 if $test X"$prefix" != X"$installprefix"; then
-	installsitearch=`echo $sitearchexp | sed 's#^$prefix#$installprefix#'`
+	installsitearch=`echo $sitearchexp | sed "s#^$prefix#$installprefix#"`
 else
 	installsitearch="$sitearchexp"
 fi
@@ -6441,13 +6451,8 @@ esac
 rp='Try to use long doubles if available?'
 . ./myread
 case "$ans" in
-y|Y) 
-	val="$define"
-	ccflags="$ccflags -DUSE_LONG_DOUBLE"
-	;;     
-*)      
-	val="$undef"
-	;;
+y|Y) 	val="$define"	;;
+*)      val="$undef"	;;
 esac
 set uselongdouble
 eval $setvar
@@ -6923,7 +6928,7 @@ $rm -f try.c try
 
 : check for long doubles
 echo " "
-echo $n "Checking to see if your system supports long doubles...$c" >&4
+echo $n "Checking to see if your system supports long double...$c" >&4
 echo 'long double foo() { long double x; x = 7.0; return x; }' > try.c
 if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
 	val="$define"
@@ -8520,52 +8525,6 @@ eval $inlibc
 set fsetpos d_fsetpos
 eval $inlibc
 
-
-if $test X"$use64bits" = X"$define"; then
-	: see if fgetpos64 exists
-	set fgetpos64 d_fgetpos64
-	eval $inlibc
-
-	: see if fopen64 exists
-	set freopen64 d_fopen64
-	eval $inlibc
-
-	: see if freopen64 exists
-	set freopen64 d_freopen64
-	eval $inlibc
-
-	: see if fseek64 exists
-	set fseek64 d_fseek64
-	eval $inlibc
-
-	: see if fseeko64 exists
-	set fseeko64 d_fseeko64
-	eval $inlibc
-
-	: see if fsetpos64 exists
-	set fsetpos64 d_fsetpos64
-	eval $inlibc
-
-	: see if ftell64 exists
-	set ftell64 d_ftell64
-	eval $inlibc
-
-	: see if ftello64 exists
-	set ftello64 d_ftello64
-	eval $inlibc
-
-	: see if tmpfile64 exists
-	set tmpfile64 d_tmpfile64
-	eval $inlibc
-else
-	val="$undef"
-	for xxx in d_fgetpos64 d_fopen64 d_freopen64 d_fseek64 d_fseeko64 d_fsetpos64 d_ftell64 d_ftello64 d_tmpfile64
-	do
-		set $xxx
-		eval $setvar
-	done
-fi
-
 : see if this is a sys/param system
 set sys/param.h i_sysparam
 eval $inhdr
@@ -9014,6 +8973,33 @@ fi
 set d_lchown
 eval $setvar
 
+: See if number of significant digits in a double precision number is known
+echo " "
+$cat >ldbl_dig.c <<EOM
+#$i_limits I_LIMITS
+#$i_float I_FLOAT
+#ifdef I_LIMITS
+#include <limits.h>
+#endif
+#ifdef I_FLOAT
+#include <float.h>
+#endif
+#ifdef LDBL_DIG
+printf("Contains LDBL_DIG");
+#endif
+EOM
+$cppstdin $cppflags $cppminus < ldbl_dig.c >ldbl_dig.E 2>/dev/null
+if $contains 'LDBL_DIG' ldbl_dig.E >/dev/null 2>&1; then
+	echo "LDBL_DIG found." >&4
+	val="$define"
+else
+	echo "LDBL_DIG NOT found." >&4
+	val="$undef"
+fi
+$rm -f ldbl_dig.?
+set d_ldbl_dig
+eval $setvar
+
 : see if link exists
 set link d_link
 eval $inlibc
@@ -13392,24 +13378,16 @@ d_fcntl='$d_fcntl'
 d_fd_macros='$d_fd_macros'
 d_fd_set='$d_fd_set'
 d_fds_bits='$d_fds_bits'
-d_fgetpos64='$d_fgetpos64'
 d_fgetpos='$d_fgetpos'
 d_flexfnam='$d_flexfnam'
 d_flock='$d_flock'
-d_fopen64='$d_fopen64'
 d_fork='$d_fork'
 d_fpathconf='$d_fpathconf'
 d_fpos64_t='$d_fpos64_t'
-d_freopen64='$d_freopen64'
-d_fseek64='$d_fseek64'
-d_fseeko64='$d_fseeko64'
 d_fseeko='$d_fseeko'
-d_fsetpos64='$d_fsetpos64'
 d_fsetpos='$d_fsetpos'
 d_fstatfs='$d_fstatfs'
 d_fstatvfs='$d_fstatvfs'
-d_ftell64='$d_ftell64'
-d_ftello64='$d_ftello64'
 d_ftello='$d_ftello'
 d_ftime='$d_ftime'
 d_getgrent='$d_getgrent'
@@ -13453,6 +13431,7 @@ d_iovec_s='$d_iovec_s'
 d_isascii='$d_isascii'
 d_killpg='$d_killpg'
 d_lchown='$d_lchown'
+d_ldbl_dig='$d_ldbl_dig'
 d_link='$d_link'
 d_llseek='$d_llseek'
 d_locconv='$d_locconv'
@@ -13597,7 +13576,6 @@ d_telldir='$d_telldir'
 d_telldirproto='$d_telldirproto'
 d_time='$d_time'
 d_times='$d_times'
-d_tmpfile64='$d_tmpfile64'
 d_truncate='$d_truncate'
 d_tzname='$d_tzname'
 d_umask='$d_umask'