+# This is the list of variables to export in the environment when
+# configuring subdirectories for the host system. It must also be
+# exported whenever recursing into a host directory in case that
+# directory's Makefile re-runs configure.
+HOST_EXPORTS = \
+ CC="$(CC)"; export CC; \
+ CFLAGS="$(CFLAGS)"; export CFLAGS; \
+ CONFIG_SHELL="$(SHELL)"; export CONFIG_SHELL; \
+ CXX="$(CXX)"; export CXX; \
+ CXXFLAGS="$(CXXFLAGS)"; export CXXFLAGS; \
+ AR="$(AR)"; export AR; \
+ AS="$(AS)"; export AS; \
+ CC_FOR_BUILD="$(CC_FOR_BUILD)"; export CC_FOR_BUILD; \
+ DLLTOOL="$(DLLTOOL)"; export DLLTOOL; \
+ LD="$(LD)"; export LD; \
+ LDFLAGS="$(LDFLAGS)"; export LDFLAGS; \
+ NM="$(NM)"; export NM; \
+ RANLIB="$(RANLIB)"; export RANLIB; \
+ WINDRES="$(WINDRES)"; export WINDRES; \
+ OBJCOPY="$(OBJCOPY)"; export OBJCOPY; \
+ OBJDUMP="$(OBJDUMP)"; export OBJDUMP;
+
+# Similar, for the gcc directory.
+GCC_HOST_EXPORTS = \
+ $(HOST_EXPORTS) \
+ TOPLEVEL_CONFIGURE_ARGUMENTS="$(TOPLEVEL_CONFIGURE_ARGUMENTS)"; export TOPLEVEL_CONFIGURE_ARGUMENTS; \
+ GMPLIBS="$(HOST_GMPLIBS)"; export GMPLIBS; \
+ GMPINC="$(HOST_GMPINC)"; export GMPINC;
+
+# Similar, for later GCC stages.
+STAGE_HOST_EXPORTS = \
+ $(GCC_HOST_EXPORTS) \
+ CC="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/"; export CC; \
+ CC_FOR_BUILD="$(STAGE_CC_WRAPPER) $$r/prev-gcc/xgcc$(exeext) -B$$r/prev-gcc/ -B$(build_tooldir)/bin/"; export CC_FOR_BUILD;