config.gcc (msp430*-*-*): Enable initfini_array by default unless explicitly disabled with...

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

	* config.gcc (msp430*-*-*): Enable initfini_array by default unless
	explicitly disabled with --disable-initfini-array.

From-SVN: r273774

gcc/ChangeLog

 2019-07-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
+	* config.gcc (msp430*-*-*): Enable initfini_array by default unless
+	explicitly disabled with --disable-initfini-array.
+
+2019-07-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
 	* config/msp430/msp430.h (ENDFILE_SPEC): Wrap uses of crtn*.o in
 	if-exists.
 

gcc/config.gcc

@@ -2512,6 +2512,12 @@ msp430*-*-*)
 	cxx_target_objs="msp430-c.o"
 	tmake_file="${tmake_file} msp430/t-msp430"
 	extra_gcc_objs="driver-msp430.o"
+	# Enable .init_array unless it has been explicitly disabled.
+	# The MSP430 EABI mandates the use of .init_array, and the Newlib CRT code
+	# since mid-2019 expects it.
+	if test x${disable_initfini_array} != xyes; then
+		gcc_cv_initfini_array=yes
+	fi
 	;;
 nds32*-*-*)
 	target_cpu_default="0"