* [PATCH] ld: Add --undefined-version
@ 2022-10-13 20:13 Fangrui Song
2022-10-13 22:47 ` Alan Modra
0 siblings, 1 reply; 2+ messages in thread
From: Fangrui Song @ 2022-10-13 20:13 UTC (permalink / raw)
To: binutils; +Cc: Fangrui Song
From: Fangrui Song <i@maskray.me>
This cancels a previous --no-undefined-version.
gold has had --undefined-version for a long time.
---
ld/ldlex.h | 1 +
ld/lexsup.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/ld/ldlex.h b/ld/ldlex.h
index 57ade1f754b..894582595c1 100644
--- a/ld/ldlex.h
+++ b/ld/ldlex.h
@@ -120,6 +120,7 @@ enum option_values
#if SUPPORT_ERROR_HANDLING_SCRIPT
OPTION_ERROR_HANDLING_SCRIPT,
#endif
+ OPTION_UNDEFINED_VERSION,
OPTION_NO_UNDEFINED_VERSION,
OPTION_DEFAULT_SYMVER,
OPTION_DEFAULT_IMPORTED_SYMVER,
diff --git a/ld/lexsup.c b/ld/lexsup.c
index 299371fb775..5053e784b75 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -396,6 +396,8 @@ static const struct ld_option ld_options[] =
OPTION_ERROR_HANDLING_SCRIPT},
'\0', N_("SCRIPT"), N_("Provide a script to help with undefined symbol errors"), TWO_DASHES},
#endif
+ { {"undefined-version", no_argument, NULL, OPTION_UNDEFINED_VERSION},
+ '\0', NULL, N_("Allow undefined version"), EXACTLY_TWO_DASHES },
{ {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
'\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
{ {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
@@ -1088,6 +1090,9 @@ parse_args (unsigned argc, char **argv)
break;
#endif
+ case OPTION_UNDEFINED_VERSION:
+ link_info.allow_undefined_version = true;
+ break;
case OPTION_NO_UNDEFINED_VERSION:
link_info.allow_undefined_version = false;
break;
--
2.38.0.413.g74048e4d9e-goog
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] ld: Add --undefined-version
2022-10-13 20:13 [PATCH] ld: Add --undefined-version Fangrui Song
@ 2022-10-13 22:47 ` Alan Modra
0 siblings, 0 replies; 2+ messages in thread
From: Alan Modra @ 2022-10-13 22:47 UTC (permalink / raw)
To: Fangrui Song; +Cc: binutils
On Thu, Oct 13, 2022 at 01:13:32PM -0700, Fangrui Song via Binutils wrote:
> From: Fangrui Song <i@maskray.me>
>
> This cancels a previous --no-undefined-version.
> gold has had --undefined-version for a long time.
OK.
--
Alan Modra
Australia Development Lab, IBM
^ permalink raw reply [flat|nested] 2+ messages in thread
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