backport: re PR target/30417 (Section .data cannot be moved with -mmcu=atmega88)

	Backport from 2016-06-21 trunk r237639.
	PR target/30417
	* config/avr/driver-avr.c (avr_device_to_data_start):
	Wrap -Tdata into %{!Tdata:...}.

From-SVN: r237643

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3785897a57e31dcaf2ae7a325c37cfd9a071caf9..dbe7301ef91376c6e741ea79d14def9bf76cdb3e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
+
+       Backport from 2016-06-21 trunk r237639.
+
+       PR target/30417
+       * config/avr/driver-avr.c (avr_device_to_data_start):
+       Wrap -Tdata into %{!Tdata:...}.
+
 2016-06-21  Georg-Johann Lay  <avr@gjlay.de>
 
        PR target/71103

diff --git a/gcc/config/avr/driver-avr.c b/gcc/config/avr/driver-avr.c
index 2d95f1b797c00f926ad6f47f2603cb415d33e1df..4a8797515354af0371493445141502f9325573a3 100644 (file)
--- a/gcc/config/avr/driver-avr.c
+++ b/gcc/config/avr/driver-avr.c
@@ -101,7 +101,7 @@ avr_device_to_data_start (int argc, const char **argv)
   snprintf (data_section_start_str, sizeof(data_section_start_str) - 1,
             "0x%lX", data_section_start);
   
-  return concat ("-Tdata ", data_section_start_str, NULL);    
+  return concat ("%{!Tdata:-Tdata ", data_section_start_str, "}", NULL);
 }
 
 /* Returns command line parameters that describe the device startfile.  */