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Message-ID:	<416C0931.90006@gcc.gnu.org>
Date:	Tue, 12 Oct 2004 12:41:21 -0400
From:	Kelley Cook <kcook AT gcc DOT gnu DOT org>
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To:	cygwin AT sources DOT redhat DOT com, gcc-patches AT gcc DOT gnu DOT org
Subject:	[toplevel, Cygwin] Don't warn if both newlib and winsup are missing
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In July a patch was added to the Cygwin's toplevel that turns off newlib 
if winsup isn't also present.

In the review, a suggestion was made to warn when this was not the case 
and this was added and eventually committed.

The problem is when both cygwin and newlib are not present like when you 
build binutils or gcc under cygwin you now always get the warning.  
Though harmless, it annoys me.

So this simple patch suppresses that warning if there was no attempt to 
build newlib.

Tested in various combined trees using all four combinations with the 
following results:

a) newlib=no, winsup=no: No warning, neither built
b) newlib=yes, winsup=no: Warning, neither built
c) newlib=no, winsup=yes: No warning, winsup built
d) newlib=yes, winsup=yes: No warning, newlib and winsup built

There is no change in behaviour besides supressing the warning for case a).

OK to install?
Kelley Cook
(BTW no src cvswrite priv)


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2004-10-12  Kelley Cook  <kcook AT gcc DOT gnu DOT org>

	* configure.in (*-*-cygwin*): Supress warning when newlib not present.
	* configure: Regenerate.

*** ../gcc-orig/configure.in	Tue Oct  5 11:52:19 2004
--- configure.in	Tue Oct 12 12:08:02 2004
***************
*** 590,599 ****
      target_configdirs="$target_configdirs target-libtermcap target-winsup"
      noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
      # always build newlib if winsup directory is present.
!     if test -d "$srcdir/winsup"
!     then
        skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
!     else
        echo "Warning: winsup is missing so newlib can't be built."
      fi
  
--- 590,598 ----
      target_configdirs="$target_configdirs target-libtermcap target-winsup"
      noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
      # always build newlib if winsup directory is present.
!     if test -d "$srcdir/winsup"; then
        skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
!     elif test -d "$srcdir/newlib"; then
        echo "Warning: winsup is missing so newlib can't be built."
      fi
  


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