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f1e14eee66
When building trunk on openSUSE Leap 15.3 with system gcc 7.5.0, I run into:
...
In file included from ../bfd/bfd.h:46:0,
from gdb/defs.h:37,
from gdb/debuginfod-support.c:19:
gdb/debuginfod-support.c: In function ‘bool debuginfod_is_enabled()’:
gdb/../include/diagnostics.h:42:3: error: unknown option after \
‘#pragma GCC diagnostic’ kind [-Werror=pragmas]
_Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored option))
^
gdb/../include/diagnostics.h:80:3: note: in expansion of macro \
‘DIAGNOSTIC_IGNORE’
DIAGNOSTIC_IGNORE ("-Wstringop-overread")
^~~~~~~~~~~~~~~~~
gdb/debuginfod-support.c:201:4: note: in expansion of macro \
‘DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD’
DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
^
...
The problem is that the warning -Wstringop-overread has been introduced for
gcc 11, and we can only tell gcc to ignore if it knows about it.
Fix this by guarding the DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD definition in
diagnostics.c with '#if __GNUC__ >= 11'.
Tested on x86_64-linux, by completing a build.
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| .. | ||
| aout | ||
| cgen | ||
| coff | ||
| elf | ||
| gdb | ||
| mach-o | ||
| opcode | ||
| sim | ||
| som | ||
| vms | ||
| alloca-conf.h | ||
| ansidecl.h | ||
| bfdlink.h | ||
| binary-io.h | ||
| bout.h | ||
| ChangeLog | ||
| ChangeLog-0415 | ||
| ChangeLog-2016 | ||
| ChangeLog-2017 | ||
| ChangeLog-2018 | ||
| ChangeLog-2019 | ||
| ChangeLog-2020 | ||
| ChangeLog-9103 | ||
| collectorAPI.h | ||
| COPYING | ||
| COPYING3 | ||
| ctf-api.h | ||
| ctf.h | ||
| demangle.h | ||
| diagnostics.h | ||
| dis-asm.h | ||
| dwarf2.def | ||
| dwarf2.h | ||
| dyn-string.h | ||
| environ.h | ||
| fibheap.h | ||
| filenames.h | ||
| floatformat.h | ||
| fnmatch.h | ||
| fopen-bin.h | ||
| fopen-same.h | ||
| fopen-vms.h | ||
| gcc-c-fe.def | ||
| gcc-c-interface.h | ||
| gcc-cp-fe.def | ||
| gcc-cp-interface.h | ||
| gcc-interface.h | ||
| getopt.h | ||
| hashtab.h | ||
| hp-symtab.h | ||
| leb128.h | ||
| libcollector.h | ||
| libfcollector.h | ||
| libiberty.h | ||
| longlong.h | ||
| lto-symtab.h | ||
| MAINTAINERS | ||
| md5.h | ||
| oasys.h | ||
| objalloc.h | ||
| obstack.h | ||
| os9k.h | ||
| partition.h | ||
| plugin-api.h | ||
| progress.h | ||
| safe-ctype.h | ||
| sha1.h | ||
| simple-object.h | ||
| sort.h | ||
| splay-tree.h | ||
| symcat.h | ||
| timeval-utils.h | ||
| vtv-change-permission.h | ||
| xregex2.h | ||
| xregex.h | ||
| xtensa-config.h | ||
| xtensa-isa-internal.h | ||
| xtensa-isa.h | ||