libstdc++-v3/

[pf3gnuchains/gcc-fork.git] / libstdc++-v3 / include / Makefile.am

diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 22ac39c..a867f00 100644 (file)
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1196,8 +1196,10 @@ install-headers:
        $(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${debug_builddir}
        for file in ${debug_headers}; do \
          $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${debug_builddir}; done
-       $(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${parallel_builddir}
-       for file in ${parallel_headers}; do \
+       parallel_headers_install='${parallel_headers}';\
+       test -z "$$parallel_headers_install" || \
+         $(mkinstalldirs) $(DESTDIR)${gxx_include_dir}/${parallel_builddir};\
+       for file in $$parallel_headers_install; do \
          $(INSTALL_DATA) $${file} $(DESTDIR)${gxx_include_dir}/${parallel_builddir}; done
        $(mkinstalldirs) $(DESTDIR)${host_installdir}
        for file in ${host_headers} ${host_headers_extra} \