[win32] various changes to make win32 build under the new Configure & co.

 - added byterun.c to core C build
 - makefile.mk now has a regen_config_h target to quickly update config_H.[bgv]c
   after adding new variables to config.[bgv]c
 - sig_name_init now has only the valid signals
 - we now have $Config{usethreads}
 - tested under the two commercial compilers w/ and w/o usethreads

p4raw-id: //depot/win32/perl@590

1 files changed, 1 insertions, 0 deletions

diff --git a/win32/makedef.pl b/win32/makedef.pl
index a7037ede85..276c2a9e78 100644
--- a/win32/makedef.pl
+++ b/win32/makedef.pl
@@ -27,6 +27,7 @@ open(CFG,'config.h') || die "Cannot open config.h:$!";
 while (<CFG>)
  {
   $define{$1} = 1 if /^\s*#\s*define\s+(MYMALLOC)\b/;
+  $define{$1} = 1 if /^\s*#\s*define\s+(USE_THREADS)\b/;
  }
 close(CFG);