Don't pretend to determine whether ansi2knr is needed

Configure

@@ -336,7 +336,6 @@ rm_try=''
 afs=''
 afsroot=''
 alignbytes=''
-ansi2knr=''
 archlib=''
 archlibexp=''
 d_archlib=''
@@ -8105,52 +8104,6 @@ esac
 set d_perl_otherlibdirs
 eval $setvar
 
-: Cruising for prototypes
-echo " "
-echo "Checking out function prototypes..." >&4
-$cat >prototype.c <<EOCP
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main(int argc, char *argv[]) {
-	exit(0);}
-EOCP
-if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
-	echo "Your C compiler appears to support function prototypes."
-	val="$define"
-else
-	echo "Your C compiler doesn't seem to understand function prototypes."
-	val="$undef"
-fi
-set prototype
-eval $setvar
-$rm -f prototype*
-
-: Check if ansi2knr is required
-case "$prototype" in
-"$define") ;;
-*)	ansi2knr='ansi2knr'
-	echo " "
-	cat <<EOM >&4
-
-$me:  FATAL ERROR:
-This version of $package can only be compiled by a compiler that
-understands function prototypes.  Unfortunately, your C compiler
-	$cc $ccflags
-doesn't seem to understand them.  Sorry about that.
-
-If GNU cc is available for your system, perhaps you could try that instead.
-
-Eventually, we hope to support building Perl with pre-ANSI compilers.
-If you would like to help in that effort, please contact <perlbug@perl.org>.
-
-Aborting Configure now.
-EOM
-	exit 2
-	;;
-esac
-
 : DTrace support
 dflt_dtrace='/usr/sbin/dtrace'
 $test -x /usr/bin/dtrace && dflt_dtrace='/usr/bin/dtrace'
@@ -10789,6 +10742,28 @@ eval $inlibc
 set asctime64 d_asctime64
 eval $inlibc
 
+: Cruising for prototypes
+echo " "
+echo "Checking out function prototypes..." >&4
+$cat >prototype.c <<EOCP
+#$i_stdlib I_STDLIB
+#ifdef I_STDLIB
+#include <stdlib.h>
+#endif
+int main(int argc, char *argv[]) {
+	exit(0);}
+EOCP
+if $cc $ccflags -c prototype.c >prototype.out 2>&1 ; then
+	echo "Your C compiler appears to support function prototypes."
+	val="$define"
+else
+	echo "Your C compiler doesn't seem to understand function prototypes."
+	val="$undef"
+fi
+set prototype
+eval $setvar
+$rm -f prototype*
+
 : see if POSIX threads are available
 set pthread.h i_pthread
 eval $inhdr
@@ -24120,7 +24095,6 @@ _o='$_o'
 afs='$afs'
 afsroot='$afsroot'
 alignbytes='$alignbytes'
-ansi2knr='$ansi2knr'
 aphostname='$aphostname'
 api_revision='$api_revision'
 api_subversion='$api_subversion'

Cross/cflags-cross-arm

@@ -148,7 +148,6 @@ if test -f .patch; then
   ccflags="-DPERL_PATCHNUM=`cat .patch` $ccflags"
 fi
 
-    : Can we perhaps use $ansi2knr here
     echo "$CROSSCC -c -DUSE_CROSS_COMPILE -DPERL_CORE $ccflags $stdflags $optimize $warn $extra"
     eval "$also "'"$CROSSCC -DUSE_CROSS_COMPILE -DPERL_CORE -c $ccflags $stdflags $optimize $warn $extra"'
 

Cross/config.sh-arm-linux

@@ -29,7 +29,6 @@ _o='.o'
 afs='false'
 afsroot='/afs'
 alignbytes='4'
-ansi2knr=''
 aphostname='/bin/hostname'
 api_revision='5'
 api_subversion='6'

Cross/config.sh-arm-linux-n770

@@ -29,7 +29,6 @@ _o='.armo'
 afs='false'
 afsroot='/afs'
 alignbytes='4'
-ansi2knr=''
 aphostname='/bin/hostname'
 api_revision='5'
 api_subversion='6'

NetWare/config.wc

@@ -18,7 +18,6 @@ _nlp='.nlp'
 _o='.obj'
 afs='false'
 alignbytes='8'
-ansi2knr=''
 aphostname=''
 api_revision='~PERL_API_REVISION~'
 api_subversion='~PERL_API_SUBVERSION~'

Porting/Glossary

@@ -41,10 +41,6 @@ alignbytes (alignbytes.U):
 	double-- or a long double when applicable. Usual values are
 	2, 4 and 8.  The default is eight, for safety.
 
-ansi2knr (ansi2knr.U):
-	This variable is set if the user needs to run ansi2knr.
-	Currently, this is not supported, so we just abort.
-
 aphostname (d_gethname.U):
 	This variable contains the command which can be used to compute the
 	host name. The command is fully qualified by its absolute path, to make

Porting/config.sh

@@ -36,7 +36,6 @@ _o='.o'
 afs='false'
 afsroot='/afs'
 alignbytes='8'
-ansi2knr=''
 aphostname='/bin/hostname'
 api_revision='5'
 api_subversion='6'

cflags.SH

@@ -527,7 +527,6 @@ for file do
     toke) optimize=-O0 ;;
     esac
 
-    # Can we perhaps use $ansi2knr here
     echo "$cc -c -DPERL_CORE $ccflags $stdflags $optimize $warn $extra"
 
     . $TOP/config.sh

plan9/config_sh.sample

@@ -29,7 +29,6 @@ _o='.o'
 afs='false'
 afsroot='/afs'
 alignbytes='4'
-ansi2knr=''
 aphostname='/bin/uname -n'
 api_revision='5'
 api_subversion='6'

uconfig64.sh

@@ -5,7 +5,6 @@ _o='.o'
 afs='false'
 afsroot='/afs'
 alignbytes='8'
-ansi2knr=''
 aphostname='/bin/hostname'
 archlib='/usr/local/lib/perl5/5.27/unknown'
 archlibexp='/usr/local/lib/perl5/5.27/unknown'

win32/config.ce

@@ -16,7 +16,6 @@ _exe='.exe'
 _o='.obj'
 afs='false'
 alignbytes='8'
-ansi2knr=''
 aphostname=''
 api_revision='~PERL_API_REVISION~'
 api_subversion='~PERL_API_SUBVERSION~'

win32/config.gc

@@ -16,7 +16,6 @@ _o='.o'
 afs='false'
 afsroot='/afs'
 alignbytes='8'
-ansi2knr=''
 aphostname=''
 api_revision='~PERL_API_REVISION~'
 api_subversion='~PERL_API_SUBVERSION~'

win32/config.vc

@@ -16,7 +16,6 @@ _o='.obj'
 afs='false'
 afsroot='/afs'
 alignbytes='8'
-ansi2knr=''
 aphostname=''
 api_revision='~PERL_API_REVISION~'
 api_subversion='~PERL_API_SUBVERSION~'