From: nobu.nokada@...
Date: 2004-09-01T10:34:12+09:00
Subject: Re: Followup on HPUX build issue

Hi,

At Wed, 1 Sep 2004 05:55:10 +0900,
nesius wrote in [ruby-talk:111144]:
> The test is:
> $CC -o conftest $CFLAGS -lutil -E conftest.c
> 
> -E tells both gcc and ansic to dump the pre-processor output.
> gcc interprets -o as a directive to dump the output into conftest.
> /opt/ansic/bin/cc, when it sees -E, does not understand -o.
> it just dumps the output to stdout.   A better way to do this
> when using ansic is to use the '-P' directive, like so:
> $CC $CFLAGS -P conftest.c.  The preprocessor output will
> be put into conftest.i.

Thank you, I got it.  RUBY_CPPOUTFILE in configure.in seems not
to be working.

Try this patch with deleting config.cache file.


Index: configure.in
===================================================================
RCS file: /cvs/ruby/src/ruby/configure.in,v
retrieving revision 1.245
diff -u -2 -p -r1.245 configure.in
--- configure.in	30 Aug 2004 06:16:29 -0000	1.245
+++ configure.in	1 Sep 2004 01:31:31 -0000
@@ -23,4 +23,5 @@ AC_DEFUN(RUBY_CPPOUTFILE,
 CPPFLAGS='-o conftest.i'
 AC_TRY_CPP([], rb_cv_cppoutfile=yes, rb_cv_cppoutfile=no)
+test -f conftest.i || rb_cv_cppoutfile=no
 CPPFLAGS=$cppflags
 rm -f conftest*])


-- 
Nobu Nakada