/\=/ does not require \ even in older awk

[metaconfig.git] / U / perl / Checkcc.U

diff --git a/U/perl/Checkcc.U b/U/perl/Checkcc.U
index 9bffda7..dadfe01 100644 (file)
--- a/U/perl/Checkcc.U
+++ b/U/perl/Checkcc.U
@@ -2,11 +2,11 @@
 ?RCS: $Id$
 ?RCS:
 ?RCS: Copyright (c) 2000, Jarkko Hietaniemi
-?RCS: 
-?X: 
+?RCS:
+?X:
 ?X: This unit produces a bit of shell code that must be dotted in order
 ?X: to make quick check on whether the current C compiler is working.
-?X:    
+?X:
 ?MAKE:Checkcc ccname ccversion: rm cat test Myread startsh
 ?MAKE: -pick add $@ %<
 ?S:ccname:
@@ -67,11 +67,11 @@ EOM
                # The most common problem is -D_REENTRANT for threads.
                # This heuristic catches that case, but gets false positives
                # if -Dusethreads was not actually specified.  Better to
-               # bail out here with a useful message than fail 
+               # bail out here with a useful message than fail
                # mysteriously later. Should we perhaps just try to
                # re-invoke Configure -Dcc=gcc config_args ?
                if $test -f usethreads.cbu; then
-                       $cat >&4 <<EOM 
+                       $cat >&4 <<EOM
 
 *** However, any setting of the C compiler flags (e.g. for thread support)
 *** will be lost.  It may be necessary for you to restart Configure and
@@ -90,10 +90,10 @@ EOM
                     if $test -f UU/myread; then
                         . ./UU/myread
                     else
-                        echo "Cannot find myread, sorry.  Aborting." >&2
+                        echo "Cannot find myread, sorry.  Aborting." >&4
                         exit 1
                     fi
-                fi  
+                fi
                 case "$ans" in
                 [yY]*) cc=gcc; ccname=gcc; ccflags=''; despair=no;
                 esac
@@ -109,9 +109,9 @@ cat <<EOS >checkcc
 $startsh
 EOS
 cat <<'EOSC' >>checkcc
-case "$cc" in        
+case "$cc" in
 '') ;;
-*)  $rm -f try try.*              
+*)  $rm -f try try.*
     $cat >try.c <<EOM
 int main(int argc, char *argv[]) {
   return 0;
@@ -123,7 +123,7 @@ EOM
         if $test X"$despair" = Xyes; then
            echo "Uh-oh, the C compiler '$cc' doesn't seem to be working." >&4
         fi
-        $cat >&4 <<EOM         
+        $cat >&4 <<EOM
 You need to find a working C compiler.
 Either (purchase and) install the C compiler supplied by your OS vendor,
 or for a free C compiler try http://gcc.gnu.org/