Use INSTALL_SCRIPT, not INSTALL_PROGRAM, when installing scripts; fixes #1858

driver/mangler/Makefile

@@ -21,8 +21,8 @@ boot :: all
 endif
 
 binary-dist:
-	$(INSTALL_DIR)              $(BIN_DIST_DIR)/driver/mangler
-	$(INSTALL_DATA)    Makefile $(BIN_DIST_DIR)/driver/mangler/
-	$(INSTALL_PROGRAM) $(PROG)  $(BIN_DIST_DIR)/driver/mangler/
+	$(INSTALL_DIR)             $(BIN_DIST_DIR)/driver/mangler
+	$(INSTALL_DATA)   Makefile $(BIN_DIST_DIR)/driver/mangler/
+	$(INSTALL_SCRIPT) $(PROG)  $(BIN_DIST_DIR)/driver/mangler/
 
 include $(TOP)/mk/target.mk

driver/split/Makefile

@@ -16,8 +16,8 @@ INSTALL_LIBEXEC_SCRIPTS += $(PROG)
 CLEAN_FILES += $(PROG) $(PROG).prl
 
 binary-dist:
-	$(INSTALL_DIR)              $(BIN_DIST_DIR)/driver/split
-	$(INSTALL_DATA)    Makefile $(BIN_DIST_DIR)/driver/split/
-	$(INSTALL_PROGRAM) $(PROG)  $(BIN_DIST_DIR)/driver/split/
+	$(INSTALL_DIR)             $(BIN_DIST_DIR)/driver/split
+	$(INSTALL_DATA)   Makefile $(BIN_DIST_DIR)/driver/split/
+	$(INSTALL_SCRIPT) $(PROG)  $(BIN_DIST_DIR)/driver/split/
 
 include $(TOP)/mk/target.mk

utils/mkdirhier/Makefile

@@ -12,8 +12,8 @@ all::
 	$(EXECUTABLE_FILE) $(PROG)
 
 binary-dist:
-	$(INSTALL_DIR)              $(BIN_DIST_DIR)/utils/mkdirhier
-	$(INSTALL_DATA)    Makefile $(BIN_DIST_DIR)/utils/mkdirhier/
-	$(INSTALL_PROGRAM) $(PROG)  $(BIN_DIST_DIR)/utils/mkdirhier/
+	$(INSTALL_DIR)             $(BIN_DIST_DIR)/utils/mkdirhier
+	$(INSTALL_DATA)   Makefile $(BIN_DIST_DIR)/utils/mkdirhier/
+	$(INSTALL_SCRIPT) $(PROG)  $(BIN_DIST_DIR)/utils/mkdirhier/
 
 include $(TOP)/mk/target.mk