acinclude.m4 (LIB_AC_PROG_CXX): Set CXX_libstdcxx from CXX.

	* acinclude.m4 (LIB_AC_PROG_CXX): Set CXX_libstdcxx from CXX.
	* aclocal.m4: Regenerated.
	* configure: Likewise.

From-SVN: r37263

libstdc++-v3/ChangeLog

 2000-11-04  Mark Mitchell  <mark@codesourcery.com>
 
+	* acinclude.m4 (LIB_AC_PROG_CXX): Set CXX_libstdcxx from CXX.
+	* aclocal.m4: Regenerated.
+	* configure: Likewise.
+
 	* acinclude.m4 (GLIBCPP_CHECK_CTYPE_SUPPORT): Fix punctuation in
 	use of `test'.
 	* aclocal.m4: Regenerated.

libstdc++-v3/acinclude.m4

@@ -90,7 +90,9 @@ dnl Fool anybody using AC_PROG_CXX.
 AC_PROVIDE([AC_PROG_CXX])
 # Use CXX_libstdcxx so that we do not cause CXX to be cached with the
 # flags that come in CXX while configuring libstdc++.  They're different
-# from those used for all other target libraries.
+# from those used for all other target libraries.  If CXX is set in
+# the environment, respect that here.
+CXX_libstdcxx=$CXX
 AC_CHECK_PROGS(CXX_libstdcxx, "$CXX" "$CCC" c++ g++ gcc CC cxx cc++, gcc)
 CXX=$CXX_libstdcxx
 AC_SUBST(CXX)

libstdc++-v3/aclocal.m4

@@ -102,7 +102,9 @@ dnl Fool anybody using AC_PROG_CXX.
 AC_PROVIDE([AC_PROG_CXX])
 # Use CXX_libstdcxx so that we do not cause CXX to be cached with the
 # flags that come in CXX while configuring libstdc++.  They're different
-# from those used for all other target libraries.
+# from those used for all other target libraries.  If CXX is set in
+# the environment, respect that here.
+CXX_libstdcxx=$CXX
 AC_CHECK_PROGS(CXX_libstdcxx, "$CXX" "$CCC" c++ g++ gcc CC cxx cc++, gcc)
 CXX=$CXX_libstdcxx
 AC_SUBST(CXX)