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authorGeorg-Johann Lay <avr@gjlay.de>2017-07-05 13:57:28 +0000
committerGeorg-Johann Lay <gjl@gcc.gnu.org>2017-07-05 13:57:28 +0000
commit98f9d0ca902c48b58d3d9adee53c3a1800fd3e6d (patch)
treeb40fcdc59b02e071b810915d50a83ea9a4ea7524 /gcc/configure
parente60226ffa0cc0eff39141a4954a506484c17fda4 (diff)
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Graceful degrade if Binutils PR21472 is not available.
gcc/ Graceful degrade if Binutils PR21472 is not available. PR target/81072 * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3 .rodata in flash test fails. (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes. * confgure: Regenerate. * config.in: Regenerate. * config/avr/avr.c (avr_asm_named_section) [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger __do_copy_data for stuff in .rodata if flash_pm_offset = 0. (avr_asm_init_sections): Same. From-SVN: r250000
Diffstat (limited to 'gcc/configure')
-rwxr-xr-xgcc/configure15
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/configure b/gcc/configure
index 317517c..4c5900f 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -24851,29 +24851,32 @@ EOF
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- if test -f conftest.nm
+ if test -s conftest.nm
then
if grep ' R xxvaryy' conftest.nm > /dev/null; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
$as_echo "yes" >&6; }
- rm -f conftest.s conftest.o conftest.elf conftest.nm
+
+$as_echo "#define HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH 1" >>confdefs.h
+
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no: avrxmega3 .rodata located in RAM" >&5
$as_echo "no: avrxmega3 .rodata located in RAM" >&6; }
echo "$as_me: nm output was" >&5
cat conftest.nm >&5
- rm -f conftest.s conftest.o conftest.elf conftest.nm
avr_ld_ver="`$gcc_cv_ld -v | sed -e 's:^.* ::'`"
- as_fn_error "support for avrxmega3 needs Binutils 2.29 or higher (have $avr_ld_ver)" "$LINENO" 5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: support for avrxmega3 .rodata in flash needs Binutils 2.29 or higher (have $avr_ld_ver)" >&5
+$as_echo "$as_me: WARNING: support for avrxmega3 .rodata in flash needs Binutils 2.29 or higher (have $avr_ld_ver)" >&2;}
fi
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: test failed" >&5
$as_echo "test failed" >&6; }
echo "$as_me: failed program was" >&5
cat conftest.s >&5
- rm -f conftest.s conftest.o conftest.elf
- as_fn_error "see \`config.log' for details" "$LINENO" 5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: see \`config.log' for details" >&5
+$as_echo "$as_me: WARNING: see \`config.log' for details" >&2;}
fi
+ rm -f conftest.s conftest.o conftest.elf conftest.nm
;;
cris-*-*)