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[Bug binutils/23299] New: macOS: objcopy renders object files unusable
From: |
mephi42 at gmail dot com |
Subject: |
[Bug binutils/23299] New: macOS: objcopy renders object files unusable |
Date: |
Sun, 17 Jun 2018 00:59:55 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=23299
Bug ID: 23299
Summary: macOS: objcopy renders object files unusable
Product: binutils
Version: 2.31 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: mephi42 at gmail dot com
Target Milestone: ---
$ cat main.c
int main() {}
$ gcc -c main.c
$ gcc main.o -o main
$ binutils-gdb/binutils/objcopy main.o main1.o
$ gcc main1.o -o main1
ld: object file main1.o was built for different x86_64 sub-type (-2147483645)
than link command line (3) file 'main1.o' for architecture x86_64
Culprit:
--- a/bfd/mach-o-x86-64.c
+++ b/bfd/mach-o-x86-64.c
@@ -54,7 +54,7 @@ bfd_mach_o_x86_64_mkobject (bfd *abfd)
mdata->header.magic = BFD_MACH_O_MH_MAGIC_64;
mdata->header.cputype = BFD_MACH_O_CPU_TYPE_X86_64;
mdata->header.cpusubtype =
- BFD_MACH_O_CPU_SUBTYPE_X86_ALL | BFD_MACH_O_CPU_SUBTYPE_LIB64;
+ BFD_MACH_O_CPU_SUBTYPE_X86_ALL;
mdata->header.byteorder = BFD_ENDIAN_LITTLE;
mdata->header.version = 2;
I'm not proposing to commit this, since I don't know what this flag is for -
the following patch just demonstrates that removing it makes things work in
this particular case. The proper fix might be to copy cpusubtype from ibfd to
obfd, but I'm not sure what would be the right place for this.
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- [Bug binutils/23299] New: macOS: objcopy renders object files unusable,
mephi42 at gmail dot com <=
- [Bug binutils/23299] macOS: objcopy renders object files unusable, nickc at redhat dot com, 2018/06/18
- [Bug binutils/23299] macOS: objcopy renders object files unusable, mephi42 at gmail dot com, 2018/06/18
- [Bug binutils/23299] macOS: objcopy renders object files unusable, mephi42 at gmail dot com, 2018/06/18
- [Bug binutils/23299] macOS: objcopy renders object files unusable, nickc at redhat dot com, 2018/06/19
- [Bug binutils/23299] macOS: objcopy renders object files unusable, mephi42 at gmail dot com, 2018/06/19
- [Bug binutils/23299] macOS: objcopy renders object files unusable, cvs-commit at gcc dot gnu.org, 2018/06/20
- [Bug binutils/23299] macOS: objcopy renders object files unusable, nickc at redhat dot com, 2018/06/20