On Thu, Jun 02, 2022 at 05:32:10PM +0200, Jan Beulich via Gcc-patches wrote:
> Using the system objcopy is wrong when other configure checks have
> probed a different set of binutils (I've noticed the problem on a system
> where the base objcopy can't deal with compressed debug sections).
> Arrange for the matching one to be picked up, first and foremost if an
> "in tree" one is available, by mirroring respective logic already
> present for nm.
>
> gcc/
>
> * Makefile.in (ORIGINAL_OBJCOPY_FOR_TARGET): New.
> * configure.ac: Check for objcopy, producing
> ORIGINAL_OBJCOPY_FOR_TARGET.
> * configure: Update accordingly.
> * exec-tool.in (ORIGINAL_OBJCOPY_FOR_TARGET): New.
> Handle objcopy.
This regressed
Executing on host: /home/jakub/src/gcc/obj44/gcc/xgcc
-B/home/jakub/src/gcc/obj44/gcc/ -fdiagnostics-plain-output -flto -g
-gsplit-dwarf -c -o c_lto_pr83719_0.o
/home/jakub/src/gcc/gcc/testsuite/gcc.dg/lto/pr83719_0.c (timeout = 300)
spawn -ignore SIGHUP /home/jakub/src/gcc/obj44/gcc/xgcc
-B/home/jakub/src/gcc/obj44/gcc/ -fdiagnostics-plain-output -flto -g
-gsplit-dwarf -c -o c_lto_pr83719_0.o
/home/jakub/src/gcc/gcc/testsuite/gcc.dg/lto/pr83719_0.c
cc1: note: '-gsplit-dwarf' is not supported with LTO, disabling
/home/jakub/src/gcc/obj44/gcc/objcopy: line 120: exec: --: invalid option
exec: usage: exec [-cl] [-a name] [command [argument ...]] [redirection ...]
compiler exited with status 1
FAIL: gcc.dg/lto/pr83719 c_lto_pr83719_0.o assemble, -flto -g -gsplit-dwarf
for me, both on x86_64-linux and i686-linux.
For some reason, I have
grep OBJCOPY *gcc/Makefile
gcc/Makefile:ORIGINAL_OBJCOPY_FOR_TARGET =
prev-gcc/Makefile:ORIGINAL_OBJCOPY_FOR_TARGET =
stage1-gcc/Makefile:ORIGINAL_OBJCOPY_FOR_TARGET =
Jakub
