Re: [PATCH 5.6.1] OS2 Configure

Message-ID: <20010624052440.A27698@math.ohio-state.edu>

p4raw-id: //depot/perl@10892

diff --git a/Configure b/Configure
index 9ba959e..9282908 100755 (executable)
--- 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 Jun 23 17:56:36 EET DST 2001 [metaconfig 3.0 PL70]
+# Generated on Sun Jun 24 18:18:07 EET DST 2001 [metaconfig 3.0 PL70]
 # (with additional metaconfig patches by perlbug@perl.org)
 
 cat >c1$$ <<EOF
@@ -1190,12 +1190,24 @@ config_args='$*'
 config_argc=$#
 EOSH
 argn=1
+args_exp=''
+args_sep=''
 for arg in "$@"; do
        cat >>cmdline.opt <<EOSH
 config_arg$argn='$arg'
 EOSH
+       # Extreme backslashitis: replace each ' by '"'"'
+       cat <<EOC | sed -e "s/'/'"'"'"'"'"'"'/g" > cmdl.opt
+$arg
+EOC
+       arg_exp=`cat cmdl.opt`
+       args_exp="$args_exp$args_sep'$arg_exp'"
        argn=`expr $argn + 1`
+       args_sep=' '
 done
+# args_exp is good for restarting self: eval "set X $args_exp"; shift; $0 "$@"
+# used by ./hints/os2.sh
+rm -f cmdl.opt
 
 : produce awk script to parse command line options
 cat >options.awk <<'EOF'

diff --git a/hints/os2.sh b/hints/os2.sh
index 09f82d5..57c3766 100644 (file)
--- a/hints/os2.sh
+++ b/hints/os2.sh
@@ -285,36 +285,110 @@ fi
 # Apply patches if needed
 case "$0$running_c_cmd" in
   *[/\\]Configure|*[/\\]Configure.|Configure|Configure.) # Skip Configure.cmd
-    if grep "^libnames" ./Configure > /dev/null; then
+    if test "Xyes" = "X$configure_cmd_loop"; then
+       cat <<EOC >&2
+!!!
+!!! PANIC: Loop of self-invocations detected, aborting!
+!!!
+EOC
+       exit 20
+    fi
+    configure_cmd_loop=yes
+    export configure_cmd_loop
+
+    configure_needs_patch=''
+    if test -s ./os2/diff.configure; then
+       if ! grep "^#OS2-PATCH-APPLIED" ./Configure > /dev/null; then
+           configure_needs_patch=yes       
+       fi
+    fi
+    if test -n "$configure_needs_patch"; then
        # Not patched!
+       # Restore the initial command line arguments
        if test -f ./Configure.cmd ; then
-           echo "!!!" >&2
-           echo "!!! I see that what is running is ./Configure." >&2
-           echo "!!! ./Configure is not patched, but ./Configure.cmd exists." >&2
-           echo "!!!" >&2
-           echo "!!! You are supposed to run Configure.cmd, not Configure" >&2
-           echo "!!!  after an automagic patching." >&2
-           echo "!!!" >&2
-           echo "!!! If you insist on running Configure, please" >&2
-           echo "!!!  patch it manually from ./os2/diff.configure." >&2
-           echo "!!!" >&2
+           cat <<EOC >&2
+!!!
+!!! I see that what is running is ./Configure.
+!!! ./Configure is not patched, but ./Configure.cmd exists.
+!!!
+!!! You are supposed to run Configure.cmd, not Configure
+!!!  after an automagic patching.
+!!!
+!!! If you insist on running Configure, you may
+!!!  patch it manually from ./os2/diff.configure.
+!!!
+!!! However, I went through incredible hoolahoops, and I expect I can
+!!!  auto-restart Configure.cmd myself.  I will start it with arguments:
+!!!
+!!!    Configure.cmd $args_exp
+!!!
+EOC
+           rp='Do you want to auto-restart Configure.cmd?'
+           dflt='y'
+           . UU/myread
+           case "$ans" in
+               [yY]) echo >&4 "Okay, continuing." ;;
+               *) echo >&4 "Okay, bye."
+                  exit 2
+                  ;;
+           esac
+           eval "set X $args_exp";
+           shift;
+           # Restore the output
+           exec Configure.cmd "$@" 1>&2
            exit 2
        fi
-       echo "!!!" >&2
-       echo "!!! You did not patch ./Configure!" >&2
-       echo "!!! I create Configure.cmd and patch it from ./os2/diff.configure." >&2
-       echo "!!!" >&2
-       echo "$gnupatch -b -p1 --output=Configure.cmd <./os2/diff.configure 2>&1 | tee 00_auto_patch" >&2
+       cat <<EOC >&2
+!!!
+!!! You did not patch ./Configure!
+!!! I can create Configure.cmd and patch it from ./os2/diff.configure with the command
+!!!
+!!!   $gnupatch -b -p1 --output=Configure.cmd <./os2/diff.configure 2>&1 | tee 00_auto_patch
+EOC
+       rp='Do you want to auto-patch Configure to Configure.cmd?'
+       dflt='y'
+       . UU/myread
+       case "$ans" in
+               [yY]) echo >&4 "Okay, continuing." ;;
+               *) echo >&4 "Okay, bye."
+                  exit 2
+                  ;;
+       esac
        ($gnupatch -b -p1 --output=Configure.cmd <./os2/diff.configure 2>&1 | tee 00_auto_patch) >&2
-       echo "!!!" >&2
-       echo "!!! The report of patching is copied to 00_auto_patch." >&2
-       echo "!!! Now you need to restart Configure.cmd with all the options" >&2
-       echo "!!!" >&2
+       cat <<EOC >&2
+!!!
+!!! The report of patching is copied to 00_auto_patch.
+!!! Now we need to restart Configure.cmd with all the options.
+!!!
+EOC
        echo "extproc sh" > Configure.ctm
-       cat Configure.cmd >> Configure.ctm && mv -f Configure.ctm Configure.cmd
-       exit 0
+       ( cat Configure.cmd >> Configure.ctm && mv -f Configure.ctm Configure.cmd ) || (echo "!!! Failure to add extproc-line to Configure.cmd." >&2 ; exit 21)
+       cat <<EOC >&2
+!!! I went through incredible hoolahoops, and I expect I can
+!!!  auto-restart Configure.cmd myself.  I will start it with arguments:
+!!!
+!!!    Configure.cmd $args_exp
+!!!
+EOC
+       rp='Do you want to auto-restart Configure.cmd?'
+       dflt='y'
+       . UU/myread
+       case "$ans" in
+               [yY]) echo >&4 "Okay, continuing." ;;
+               *) echo >&4 "Okay, bye."
+                  exit 2
+                  ;;
+       esac
+       eval "set X $args_exp";
+       shift;
+       exec Configure.cmd "$@" 1>&2
+       exit 2
     else
-       echo "!!! Apparently we are running a patched Configure." >&2
+       if test -s ./os2/diff.configure; then
+           echo "!!! Apparently we are running a patched Configure." >&2
+       else
+           echo "!!! Apparently there is no need to patch Configure." >&2
+       fi
     fi 
     ;;
   *) echo "!!! Apparently we are running a renamed Configure: '$0'." >&2