Revert:
2008-10-24 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.tpl (HOST_EXPORTS): Correct CPPFLAGS typo.
* Makefile.in: Regenerated.
2008-10-22 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.def (flags_to_pass): Add CPPFLAGS_FOR_BUILD and CPPFLAGS.
* Makefile.tpl (BUILD_EXPORTS): Set CPPFLAGS.
(EXTRA_BUILD_FLAGS): Correct typo. Pass CPPFLAGS.
(HOST_EXPORTS): Pass CPPFLAGS.
(CPPFLAGS_FOR_BUILD, CPPFLAGS, CPPFLAGS_FOR_TARGET): Define.
(LDFLAGS_FOR_TARGET): Initialize from configure script.
(EXTRA_TARGET_FLAGS): Set CPPFLAGS.
* Makefile.in, configure: Regenerated.
* configure.ac: Set CPPFLAGS_FOR_TARGET, LDFLAGS_FOR_TARGET,
and CPPFLAGS_FOR_BUILD.