curses.h and new cpp from gcc-5 and above

[Dr. Werner Fink]

Hi,

with new gcc suite it is required to use -P option if used for generating
curses.h as otherwise cpp line markers will bewilder the awk used in
MKlib_gen.sh

See attached patch from our gcc people

Werner

-- 
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr

--- ncurses/Makefile.in.orig    2015-01-21 13:27:02.427199242 +0100
+++ ncurses/Makefile.in 2015-01-21 13:27:11.946311063 +0100
@@ -219,7 +219,7 @@
        sh -e $(srcdir)/run_cmd.sh $(tinfo)/MKfallback.sh $(TERMINFO) 
$(TERMINFO_SRC) $(TIC_PATH) $(FALLBACK_LIST) >$@
 
 ./lib_gen.c : $(base)/MKlib_gen.sh ../include/curses.h
-       sh -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS)" "$(AWK)" generated 
<../include/curses.h >$@
+       sh -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS) -P" "$(AWK)" generated 
<../include/curses.h >$@
 
 init_keytry.h: make_keys$(BUILD_EXEEXT) keys.list
        ./make_keys$(BUILD_EXEEXT) keys.list > $@

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