Configure updates for intsize and ssizetype

5 files changed, 96 insertions, 21 deletions

diff --git a/Configure b/Configure
index bc7beb824f..c5fbe4e8c7 100755
--- a/Configure
+++ b/Configure
@@ -20,7 +20,7 @@
 
 # $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $
 #
-# Generated on Mon Jan 27 12:33:55 EST 1997 [metaconfig 3.0 PL60]
+# Generated on Sat Feb  1 00:26:40 EST 1997 [metaconfig 3.0 PL60]
 
 cat >/tmp/c1$$ <<EOF
 ARGGGHHHH!!!!!
@@ -505,6 +505,8 @@ i_varargs=''
 i_varhdr=''
 i_vfork=''
 intsize=''
+longsize=''
+shortsize=''
 libc=''
 libperl=''
 shrpenv=''
@@ -5725,32 +5727,57 @@ $rm -f set set.c
 set bzero d_bzero
 eval $inlibc
 
-: check for length of integer
+: check for lengths of integral types
 echo " "
 case "$intsize" in
 '')
 	echo "Checking to see how big your integers are..." >&4
-	$cat >try.c <<'EOCP'
+	$cat >intsize.c <<'EOCP'
 #include <stdio.h>
 main()
 {
-	printf("%d\n", sizeof(int));
+	printf("intsize=%d;\n", sizeof(int));
+	printf("longsize=%d;\n", sizeof(long));
+	printf("shortsize=%d;\n", sizeof(short));
+	fflush(stdout);
 	exit(0);
 }
 EOCP
-	if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then
-		intsize=`./try`
+#	If $libs contains -lsfio, and sfio is mis-configured, then it
+#	sometimes (apparently) runs and exits with a 0 status, but with no
+#	output!.  Thus we check with test -s whether we actually got any 
+#	output.  I think it has to do with sfio's use of _exit vs. exit,
+#	but I don't know for sure.  --Andy Dougherty  1/27/97.
+	if $cc $optimize $ccflags $ldflags -o intsize intsize.c $libs >/dev/null 2>&1 && 
+	./intsize > intsize.out 2>/dev/null && test -s intsize.out ; then
+		eval `$cat intsize.out`
 		echo "Your integers are $intsize bytes long."
+		echo "Your long integers are $longsize bytes long."
+		echo "Your short integers are $shortsize bytes long."
 	else
-		dflt='4'
-		echo "(I can't seem to compile the test program.  Guessing...)"
+		$cat >&4 <<EOM
+
+Help! I can't compile and run the intsize test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it.  Still, I'll try anyway.)
+
+EOM
+		dflt=4
 		rp="What is the size of an integer (in bytes)?"
 		. ./myread
 		intsize="$ans"
+		dflt=$intsize
+		rp="What is the size of a long integer (in bytes)?"
+		. ./myread
+		longsize="$ans"
+		dflt=2
+		rp="What is the size of a short integer (in bytes)?"
+		. ./myread
+		shortsize="$ans"
 	fi
 	;;
 esac
-$rm -f try.c try
+$rm -f intsize intsize.[co] intsize.out
 
 : see if signal is declared as pointer to function returning int or void
 echo " "
@@ -9031,23 +9058,31 @@ main()
 }
 EOM
 echo " "
-if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1  &&
-		./ssize > /dev/null 2>&1 ; then
-	ssizetype=`./ssize`
+#	If $libs contains -lsfio, and sfio is mis-configured, then it
+#	sometimes (apparently) runs and exits with a 0 status, but with no
+#	output!.  Thus we check with test -s whether we actually got any 
+#	output.  I think it has to do with sfio's use of _exit vs. exit,
+#	but I don't know for sure.  --Andy Dougherty  1/27/97.
+if $cc $optimize $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1  &&
+		./ssize > ssize.out 2>/dev/null && test -s ssize.out ; then
+	ssizetype=`$cat ssize.out`
 	echo "I'll be using $ssizetype for functions returning a byte count." >&4
 else
-	echo "(I can't compile and run the test program--please enlighten me!)"
-	$cat <<EOM
+	$cat >&4 <<EOM
+
+Help! I can't compile and run the ssize_t test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it.  Still, I'll try anyway.)
 
 I need a type that is the same size as $sizetype, but is guaranteed to
-be signed.  Common values are int and long.
+be signed.  Common values are ssize_t, int and long.
 
 EOM
 	rp="What signed type is the same size as $sizetype?"
 	. ./myread
 	ssizetype="$ans"
 fi
-$rm -f ssize ssize.[co]
+$rm -f ssize ssize.[co] ssize.out
 
 : see what type of char stdio uses.
 echo " "
@@ -10161,6 +10196,7 @@ ln='$ln'
 lns='$lns'
 locincpth='$locincpth'
 loclibpth='$loclibpth'
+longsize='$longsize'
 lp='$lp'
 lpr='$lpr'
 ls='$ls'
@@ -10235,6 +10271,7 @@ sh='$sh'
 shar='$shar'
 sharpbang='$sharpbang'
 shmattype='$shmattype'
+shortsize='$shortsize'
 shrpenv='$shrpenv'
 shsharp='$shsharp'
 sig_name='$sig_name'
diff --git a/MANIFEST b/MANIFEST
index 4693eed926..7383f1d970 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -278,6 +278,7 @@ lib/AnyDBM_File.pm	Perl module to emulate dbmopen
 lib/AutoLoader.pm	Autoloader base class
 lib/AutoSplit.pm	Split up autoload functions
 lib/Benchmark.pm	Measure execution time
+lib/Bundle/CPAN.pm	The CPAN bundle
 lib/CPAN.pm		Interface to Comprehensive Perl Archive Network
 lib/CPAN/FirstTime.pm	Utility for creating CPAN config files
 lib/CPAN/Nox.pm		Runs CPAN while avoiding compiled extensions
@@ -770,7 +771,7 @@ win32/bin/search.bat	Win32 port
 win32/bin/test.bat	Win32 port
 win32/bin/webget.bat	Win32 port
 win32/bin/www.pl	Win32 port
-win32/config.h		Win32 port
+win32/config.H		Win32 config header (suffix not ".h" for metaconfig)
 win32/config.w32	Win32 port
 win32/dl_win32.xs	Win32 port
 win32/dosish.diff	Win32 port
diff --git a/config_H b/config_H
index 2b6834b2e5..39dd436b90 100644
--- a/config_H
+++ b/config_H
@@ -1261,10 +1261,20 @@
 /*#define I_VFORK	/ **/
 
 /* INTSIZE:
- *	This symbol contains the size of an int, so that the C preprocessor
- *	can make decisions based on it.
+ *	This symbol contains the value of sizeof(int) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* LONGSIZE:
+ *	This symbol contains the value of sizeof(long) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* SHORTSIZE:
+ *	This symbol contains the value of sizeof(short) so that the C
+ *	preprocessor can make decisions based on it.
  */
 #define INTSIZE 4		/**/
+#define LONGSIZE 4		/**/
+#define SHORTSIZE 2		/**/
 
 /* Off_t:
  *	This symbol holds the type used to declare offsets in the kernel.
diff --git a/config_h.SH b/config_h.SH
index 9b9236e125..893e71eb42 100755
--- a/config_h.SH
+++ b/config_h.SH
@@ -1275,10 +1275,20 @@ sed <<!GROK!THIS! >config.h -e 's!^#undef\(.*/\)\*!/\*#define\1 \*!' -e 's!^#un-
 #$i_vfork I_VFORK	/**/
 
 /* INTSIZE:
- *	This symbol contains the size of an int, so that the C preprocessor
- *	can make decisions based on it.
+ *	This symbol contains the value of sizeof(int) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* LONGSIZE:
+ *	This symbol contains the value of sizeof(long) so that the C
+ *	preprocessor can make decisions based on it.
+ */
+/* SHORTSIZE:
+ *	This symbol contains the value of sizeof(short) so that the C
+ *	preprocessor can make decisions based on it.
  */
 #define INTSIZE $intsize		/**/
+#define LONGSIZE $longsize		/**/
+#define SHORTSIZE $shortsize		/**/
 
 /* Off_t:
  *	This symbol holds the type used to declare offsets in the kernel.
diff --git a/handy.h b/handy.h
index 056bf2c8a1..efb4f03541 100644
--- a/handy.h
+++ b/handy.h
@@ -81,6 +81,23 @@
    standard library calls (where we pass an I32 and the library is
    expecting an int), but the disadvantage that an I32 is not 32 bits.
    Andy Dougherty	August 1996
+
+   In the future, we may perhaps want to think about something like
+    #if INTSIZE == 4
+	typedef I32 int;
+    #else
+    #  if LONGSIZE == 4
+	    typedef I32 long;
+    #  else
+    #    if SHORTSIZE == 4
+	    typedef I32 short;
+    #    else
+	    typedef I32 int;
+    #    endif
+    #  endif
+    #endif
+   For the moment, these are mentioned here so metaconfig will
+   construct Configure to figure out the various sizes.
 */
 
 typedef char		I8;