[PATCH 5/7] newlib: drop cygnus EXEEXT hack

Now that we rely on AC_NO_EXECUTABLES to disable link tests, we don't
need this hack to disable exeext probing.
---
 newlib/acinclude.m4                              | 12 ------------
 newlib/configure                                 | 16 ++--------------
 newlib/libc/configure                            | 16 ++--------------
 newlib/libc/sys/linux/configure                  | 16 ++--------------
 newlib/libc/sys/linux/linuxthreads/configure     | 16 ++--------------
 .../sys/linux/linuxthreads/machine/configure     | 16 ++--------------
 .../linux/linuxthreads/machine/i386/configure    | 16 ++--------------
 newlib/libc/sys/linux/machine/configure          | 16 ++--------------
 newlib/libc/sys/linux/machine/i386/configure     | 16 ++--------------
 newlib/libc/sys/phoenix/configure                | 12 ------------
 newlib/libc/sys/phoenix/machine/arm/configure    | 12 ------------
 newlib/libc/sys/phoenix/machine/configure        | 12 ------------
 newlib/libm/configure                            | 16 ++--------------
 13 files changed, 18 insertions(+), 174 deletions(-)

diff --git a/newlib/acinclude.m4 b/newlib/acinclude.m4
index 8c5122b5fc2f..7795e580b715 100644
--- a/newlib/acinclude.m4
+++ b/newlib/acinclude.m4
@@ -138,18 +138,6 @@ ac_given_INSTALL=$INSTALL
 
 AM_MAINTAINER_MODE
 
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-  AC_EXEEXT
-  dummy_var=1
-fi
-
 . [$]{newlib_basedir}/configure.host
 
 NEWLIB_CFLAGS=${newlib_cflags}
-- 
2.34.1