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| author | Florian Weimer <fweimer@redhat.com> | 2021-07-09 20:09:14 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-07-09 20:09:14 +0200 |
| commit | 7c241325d67af9e24ff03d4c6f6280c17ea181f8 (patch) | |
| tree | 5667f94ae80c6e75dc1bac29ab4c51d48cfad084 /Makeconfig | |
| parent | dc76a059fded7a203c82dbb91d4fc1f43d3250db (diff) | |
Force building with -fno-common
As a result, is not necessary to specify __attribute__ ((nocommon))
on individual definitions.
GCC 10 defaults to -fno-common on all architectures except ARC,
but this change is compatible with older GCC versions and ARC, too.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Makeconfig b/Makeconfig index efc7351d71..68663d984e 100644 --- a/Makeconfig +++ b/Makeconfig @@ -923,8 +923,12 @@ ifeq "$(strip $(+cflags))" "" +cflags := $(default_cflags) endif # $(+cflags) == "" +# Force building with -fno-common because hidden_def, compat_symbol +# and other constructs do not work for common symbols (and would +# otherwise require specifying __attribute__ ((nocommon)) on a +# case-by-case basis). +cflags += $(cflags-cpu) $(+gccwarn) $(+merge-constants) $(+math-flags) \ - $(+stack-protector) + $(+stack-protector) -fno-common +gcc-nowarn := -w # Each sysdeps directory can contain header files that both will be |