msp430.h (ENDFILE_SPEC): Wrap uses of crtn*.o in if-exists.

2019-07-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* config/msp430/msp430.h (ENDFILE_SPEC): Wrap uses of crtn*.o in
	if-exists.

From-SVN: r273773

gcc/ChangeLog

+2019-07-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
+	* config/msp430/msp430.h (ENDFILE_SPEC): Wrap uses of crtn*.o in
+	if-exists.
+
 2019-07-24  Martin Sebor  <msebor@redhat.com>
 
 	PR driver/80545

gcc/config/msp430/msp430.h

@@ -49,7 +49,7 @@ extern bool msp430x;
 
 /* -lgcc is included because crtend.o needs __mspabi_func_epilog_1.  */
 #undef  ENDFILE_SPEC
-#define ENDFILE_SPEC "%{!minrt:crtend.o%s} %{minrt:crtn-minrt.o%s}%{!minrt:crtn.o%s} -lgcc"
+#define ENDFILE_SPEC "%{!minrt:crtend.o%s} %{minrt:%:if-exists(crtn-minrt.o%s)}%{!minrt:%:if-exists(crtn.o%s)} -lgcc"
 
 #define ASM_SPEC "-mP " /* Enable polymorphic instructions.  */ \
   "%{mcpu=*:-mcpu=%*}%{!mcpu=*:%{mmcu=*:-mmcu=%*}} " /* Pass the CPU type on to the assembler.  */ \