Tweak for no-libio-install

[Chip Salzenberg]

If src/Makefile decides that it doesn't need to install any libio
files, it dies with a shell syntax error.  Here's a (semi-tested) patch.

2000-02-23  Chip Salzenberg  <chip@valinux.com>

	* src/Makefile.am (myinstallheaders): Cope with empty
	$(libio_headers).

Index: Makefile.am
===================================================================
RCS file: /cvs/libstdc++/libstdc++/src/Makefile.am,v
retrieving revision 1.78
diff -u -2 -r1.78 Makefile.am
--- Makefile.am	2000/02/19 22:50:35	1.78
+++ Makefile.am	2000/02/23 08:31:55
@@ -49,5 +49,5 @@
 	      $(AC_CXXFLAGS) $(OPTIMIZE_CXXFLAGS)
 
-CXXLINK = $(LIBTOOL) --mode=link $(CC) $(AM_CXXFLAGS) $(LDFLAGS) -o $@
+CXXLINK = $(LIBTOOL) --mode=link "$(CC)" $(AM_CXXFLAGS) $(LDFLAGS) -o $@
 
 LIBIO_INCLUDES = @BUILD_LIBIO_INCLUDE@ -I$(top_srcdir)/libio 
@@ -135,7 +135,6 @@
 if GLIBCPP_NEED_LIBIO 
 libio_headers = \
-	$(top_builddir)/libio/_G_config.h $(top_srcdir)/libio/libio.h
-else
-libio_headers =
+	$(top_builddir)/libio/_G_config.h \
+	$(top_srcdir)/libio/libio.h
 endif
 
@@ -189,18 +188,22 @@
 
 myinstallheaders: $(headers:%=$(myincludep)%)
-	if test -z "$(MULTISUBDIR)"; then \
+ ifdef MULTISUBDIR
+	@true
+ else
 	for i in $(std_headers); do \
 	  echo "$(INSTALL_DATA) $(top_srcdir)/std/$$i $(myincludep)"; \
 	        $(INSTALL_DATA) $(top_srcdir)/std/$$i $(myincludep); \
-	done; \
+	done
 	for i in $(generated_headers); do \
 	  echo "$(INSTALL_DATA) $(top_builddir)/$$i $(myincludep)bits/"; \
 	        $(INSTALL_DATA) $(top_builddir)/$$i $(myincludep)bits/; \
-	done; \
+	done
+if GLIBCPP_NEED_LIBIO 
 	for i in $(libio_headers); do \
 	  echo "$(INSTALL_DATA) $$i $(myincludep)"; \
 	        $(INSTALL_DATA) $$i $(myincludep); \
-	done; \
-	fi;
+	done
+endif
+ endif
 
 $(headers:%=$(myincludep)%): $(myincludep)%: %


-- 
Chip Salzenberg              - a.k.a. -              <chip@valinux.com>
"I wanted to play hopscotch with the impenetrable mystery of existence,
    but he stepped in a wormhole and had to go in early."  // MST3K