Fix installation when install-sh is not executable.

the nobase_* variables force the use of install-sh, without '${SHELL}'.
Use a more traditional approach, that uses the normally probed INSTALL
program. Problem noticed by oga@.

lib/libXpm/include/Makefile.am

@@ -1 +1,2 @@
-nobase_include_HEADERS = X11/xpm.h
+xpmincludedir = ${includedir}/X11
+xpminclude_HEADERS = X11/xpm.h

lib/libXpm/include/Makefile.in

@@ -37,8 +37,8 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 subdir = include
-DIST_COMMON = $(nobase_include_HEADERS) $(srcdir)/Makefile.am \
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
-	$(srcdir)/Makefile.in
+	$(xpminclude_HEADERS)
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ax_define_dir.m4 \
 	$(top_srcdir)/configure.ac
@@ -55,9 +55,9 @@ am__vpath_adj = case $$p in \
     *) f=$$p;; \
   esac;
 am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
-am__installdirs = "$(DESTDIR)$(includedir)"
+am__installdirs = "$(DESTDIR)$(xpmincludedir)"
-nobase_includeHEADERS_INSTALL = $(install_sh_DATA)
+xpmincludeHEADERS_INSTALL = $(INSTALL_HEADER)
-HEADERS = $(nobase_include_HEADERS)
+HEADERS = $(xpminclude_HEADERS)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -196,7 +196,8 @@ sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
-nobase_include_HEADERS = X11/xpm.h
+xpmincludedir = ${includedir}/X11
+xpminclude_HEADERS = X11/xpm.h
 all: all-am
 
 .SUFFIXES:
@@ -239,24 +240,22 @@ clean-libtool:
 distclean-libtool:
 	-rm -f libtool
 uninstall-info-am:
-install-nobase_includeHEADERS: $(nobase_include_HEADERS)
+install-xpmincludeHEADERS: $(xpminclude_HEADERS)
 	@$(NORMAL_INSTALL)
-	test -z "$(includedir)" || $(mkdir_p) "$(DESTDIR)$(includedir)"
+	test -z "$(xpmincludedir)" || $(mkdir_p) "$(DESTDIR)$(xpmincludedir)"
-	@$(am__vpath_adj_setup) \
+	@list='$(xpminclude_HEADERS)'; for p in $$list; do \
-	list='$(nobase_include_HEADERS)'; for p in $$list; do \
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-	  $(am__vpath_adj) \
+	  f=$(am__strip_dir) \
-	  echo " $(nobase_includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
+	  echo " $(xpmincludeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(xpmincludedir)/$$f'"; \
-	  $(nobase_includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+	  $(xpmincludeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(xpmincludedir)/$$f"; \
 	done
 
-uninstall-nobase_includeHEADERS:
+uninstall-xpmincludeHEADERS:
 	@$(NORMAL_UNINSTALL)
-	@$(am__vpath_adj_setup) \
+	@list='$(xpminclude_HEADERS)'; for p in $$list; do \
-	list='$(nobase_include_HEADERS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
-	  $(am__vpath_adj) \
+	  echo " rm -f '$(DESTDIR)$(xpmincludedir)/$$f'"; \
-	  echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(xpmincludedir)/$$f"; \
-	  rm -f "$(DESTDIR)$(includedir)/$$f"; \
 	done
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
@@ -339,7 +338,7 @@ check-am: all-am
 check: check-am
 all-am: Makefile $(HEADERS)
 installdirs:
-	for dir in "$(DESTDIR)$(includedir)"; do \
+	for dir in "$(DESTDIR)$(xpmincludedir)"; do \
 	  test -z "$$dir" || $(mkdir_p) "$$dir"; \
 	done
 install: install-am
@@ -385,7 +384,7 @@ info: info-am
 
 info-am:
 
-install-data-am: install-nobase_includeHEADERS
+install-data-am: install-xpmincludeHEADERS
 
 install-exec-am:
 
@@ -411,19 +410,19 @@ ps: ps-am
 
 ps-am:
 
-uninstall-am: uninstall-info-am uninstall-nobase_includeHEADERS
+uninstall-am: uninstall-info-am uninstall-xpmincludeHEADERS
 
 .PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
 	clean-libtool ctags distclean distclean-generic \
 	distclean-libtool distclean-tags distdir dvi dvi-am html \
 	html-am info info-am install install-am install-data \
 	install-data-am install-exec install-exec-am install-info \
-	install-info-am install-man install-nobase_includeHEADERS \
+	install-info-am install-man install-strip \
-	install-strip installcheck installcheck-am installdirs \
+	install-xpmincludeHEADERS installcheck installcheck-am \
-	maintainer-clean maintainer-clean-generic mostlyclean \
+	installdirs maintainer-clean maintainer-clean-generic \
-	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \
-	tags uninstall uninstall-am uninstall-info-am \
+	ps ps-am tags uninstall uninstall-am uninstall-info-am \
-	uninstall-nobase_includeHEADERS
+	uninstall-xpmincludeHEADERS
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.