* build-make, cross-make: Delete file.
* configure.in: Set and substitute CROSS, ALL,
SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_PREFIX_1, HOST_CC,
HOST_CFLAGS, STMP_FIXINC, and STMP_FIXPROTO depending on
whether build == host and host == target. Do not
AC_SUBST_FILE build_overrides or cross_overrides. Do not
AC_SUBST cross_defines or extra_c_flags.
* Makefile.in (NATIVE_SYSTEM_HEADER_DIR): New.
(SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_CC, HOST_PREFIX,
HOST_PREFIX_1, HOST_CFLAGS, ALL, INTERNAL_CFLAGS): Set
partially or completely with autoconf-substituted @variable@
notation.
(INSTALL_TARGET, @cross_defines@, @cross_overrides@,
@build_overrides@, @extra_c_flags@, all.build, install-build,
install-cross-rest, install-float-h-cross): Deleted.
(install-normal): Rename to install. Delete old "install"
indirection rule.
* ada/Makefile.in, ch/Makefile.in: Don't set ALL. Delete
@cross_defines@, @cross_overrides@, @build_overrides@ stanzas.
INTERNAL_CFLAGS is now @CROSS@ -DIN_GCC; update comment.
From-SVN: r47617
