Avoid non-portable "` ... \"...\" ... `" nesting

* configure.ac:
* Makefile.in (install-arch-indep, install-etcdoc, install-info):
* lib-src/Makefile.in ($(DESTDIR)${archlibdir}):
* nt/Makefile.in ($(DESTDIR)${archlibdir}):
Avoid non-portable "`\" nesting.

2 files changed, 5 insertions, 1 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index 35672f22d64..44d7260dead 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,5 +1,8 @@
 2013-10-24  Glenn Morris  <rgm@gnu.org>
 
+        * Makefile.in ($(DESTDIR)${archlibdir}):
+        Avoid non-portable "`\" nesting.
+
         * Makefile.in (abs_top_srcdir): New, set by configure.
 
 2013-10-23  Glenn Morris  <rgm@gnu.org>
diff --git a/lib-src/Makefile.in b/lib-src/Makefile.in
index 3843f549679..b765668aebc 100644
--- a/lib-src/Makefile.in
+++ b/lib-src/Makefile.in
@@ -234,7 +234,8 @@ $(DESTDIR)${archlibdir}: all
         @echo
         @echo "Installing utilities run internally by Emacs."
         umask 022; ${MKDIR_P} "$(DESTDIR)${archlibdir}"
-        if [ "`cd \"$(DESTDIR)${archlibdir}\" && /bin/pwd`" != "`/bin/pwd`" ]; then \
+        exp_archlibdir=`cd "$(DESTDIR)${archlibdir}" && /bin/pwd`; \
+        if [ "$$exp_archlibdir" != "`/bin/pwd`" ]; then \
           for file in ${UTILITIES}; do \
             $(INSTALL_PROGRAM) $(INSTALL_STRIP) $$file "$(DESTDIR)${archlibdir}/$$file" ; \
           done ; \