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make the tool to be cross compilable.

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Upstream-Status: Pending

Index: mkelfImage/configure.ac
===================================================================
--- mkelfImage.orig/configure.ac	2012-07-14 14:04:48.964898667 -0700
+++ mkelfImage/configure.ac	2012-07-14 14:10:47.800916083 -0700
@@ -70,6 +70,9 @@
 		AC_MSG_ERROR([cc not found])
 	fi
 	eval "${with_default}_CC='$CC'"
+	if test "x$HOST_CC" = 'x'; then
+		AC_CHECK_PROG([HOST_CC], [$CC], [$CC], [gcc], [$PATH])
+	fi
 	AC_PROG_CPP
 	if test "$CPP" = no; then
 		AC_MSG_ERROR([cpp not found])
@@ -172,7 +175,6 @@
 
 dnl ---Output variables...
 
-HOST_CC=$CC
 HOST_CFLAGS="$HOST_CFLAGS -O2 -Wall \$(HOST_CPPFLAGS)"
 
 dnl TODO: figure out how to set these appropriately for compilers other than gcc
Index: mkelfImage/linux-i386/Makefile
===================================================================
--- mkelfImage.orig/linux-i386/Makefile	2012-07-14 14:04:48.964898667 -0700
+++ mkelfImage/linux-i386/Makefile	2012-07-14 14:04:49.032898671 -0700
@@ -4,7 +4,7 @@
 
 $(LI386_OBJ)/mkelf-linux-i386.o: $(LI386_DIR)/mkelf-linux-i386.c $(LI386_DIR)/convert.bin.c $(LI386_DEP)
 	$(MKDIR) -p $(@D)
-	$(HOST_CC) $(HOST_CFLAGS) -c -g $< -o $@
+	$(CC) $(HOST_CFLAGS) -c -g $< -o $@
 
 
 ifdef I386_CC
Index: mkelfImage/linux-ia64/Makefile
===================================================================
--- mkelfImage.orig/linux-ia64/Makefile	2012-07-14 14:04:48.964898667 -0700
+++ mkelfImage/linux-ia64/Makefile	2012-07-14 14:04:49.032898671 -0700
@@ -4,7 +4,7 @@
 
 $(LIA64_OBJ)/mkelf-linux-ia64.o: $(LIA64_DIR)/mkelf-linux-ia64.c $(LIA64_DIR)/convert.bin.c $(LIA64_DEP)
 	$(MKDIR) -p $(@D)
-	$(HOST_CC) $(HOST_CFLAGS) -c -g $< -o $@
+	$(CC) $(HOST_CFLAGS) -c -g $< -o $@
 
 ifdef IA64_CC
 
Index: mkelfImage/main/Makefile
===================================================================
--- mkelfImage.orig/main/Makefile	2012-07-14 14:04:48.964898667 -0700
+++ mkelfImage/main/Makefile	2012-07-14 14:04:49.032898671 -0700
@@ -4,11 +4,11 @@
 
 $(OBJDIR)/sbin/mkelfImage: $(MKELF_OBJS) $(DEPS)
 	$(MKDIR) -p $(@D)
-	$(HOST_CC) $(HOST_CFLAGS) $(MKELF_OBJS) -o $@ $(LIBS)
+	$(CC) $(HOST_CFLAGS) $(MKELF_OBJS) -o $@ $(LIBS)
 
 $(OBJDIR)/main/mkelfImage.o: main/mkelfImage.c include/mkelfImage.h $(DEPS)
 	$(MKDIR) -p $(@D)
-	$(HOST_CC) $(HOST_CFLAGS) -c $< -o $@
+	$(CC) $(HOST_CFLAGS) -c $< -o $@
 
 $(OBJDIR)/man/man8/mkelfImage.8: main/mkelfImage.man
 	$(MKDIR) -p $(@D)