ITS#9327 - Fix stripping when cross-compiling

Probably-Signed-off-by: Dave Bender <bender@benegon.com>
[yann.morin.1998@free.fr: patch was made by Dave, but he
 forgot his SoB line, so I added it]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
[Retrieved from:
https://git.buildroot.net/buildroot/tree/package/openldap/0001-fix_cross_strip.patch

]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

build/shtool

@@ -993,7 +993,7 @@ install )
             if [ ".$opt_t" = .yes ]; then
                 echo "strip $dsttmp" 1>&2
             fi
-            strip $dsttmp || shtool_exit $?
+            $STRIP $dsttmp || shtool_exit $?
         fi
         if [ ".$opt_o" != . ]; then
             if [ ".$opt_t" = .yes ]; then

build/top.mk

@@ -59,7 +59,7 @@ INSTALL_PROGRAM = $(INSTALL)
 INSTALL_DATA = $(INSTALL) -m 644
 INSTALL_SCRIPT = $(INSTALL)
 
-STRIP = -s
+STRIP_OPTS = -s
 
 LINT = lint
 5LINT = 5lint

clients/tools/Makefile.in

@@ -129,7 +129,7 @@ install-local:	FORCE
 	-$(MKDIR) $(DESTDIR)$(bindir)
 	@(								\
 	    for prg in $(PROGRAMS); do					\
-		$(LTINSTALL) $(INSTALLFLAGS) $(STRIP) -m 755 $$prg$(EXEEXT)	\
+		$(LTINSTALL) $(INSTALLFLAGS) $(STRIP_OPTS) -m 755 $$prg$(EXEEXT)	\
 		    $(DESTDIR)$(bindir);				\
 	    done							\
 	)

configure.in

@@ -657,6 +657,15 @@ if test -z "${AR}"; then
 	fi
 fi
 
+if test -z "${STRIP}"; then
+	AC_CHECK_PROGS(STRIP,strip,missing)
+
+	if test "${STRIP}" = "missing" ; then
+		AC_MSG_ERROR([Unable to locate strip(1) or suitable replacement.  Check PATH or set STRIP.])
+	fi
+fi
+
+
 AC_LIBTOOL_WIN32_DLL
 AC_LIBTOOL_DLOPEN
 AC_PROG_MAKE_SET

servers/slapd/Makefile.in

@@ -372,7 +372,7 @@ install-local-srv: install-slapd install-tools \
 install-slapd: FORCE
 	-$(MKDIR) $(DESTDIR)$(libexecdir)
 	-$(MKDIR) $(DESTDIR)$(localstatedir)/run
-	$(LTINSTALL) $(INSTALLFLAGS) $(STRIP) -m 755 \
+	$(LTINSTALL) $(INSTALLFLAGS) $(STRIP_OPTS) -m 755 \
 		slapd$(EXEEXT) $(DESTDIR)$(libexecdir)
 	@for i in $(SUBDIRS); do \
 	    if test -d $$i && test -f $$i/Makefile ; then \