diff options
Diffstat (limited to 'docs')
-rw-r--r-- | docs/yaml/functions/shared_module.yaml | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/docs/yaml/functions/shared_module.yaml b/docs/yaml/functions/shared_module.yaml index ff374e7..20bd5c4 100644 --- a/docs/yaml/functions/shared_module.yaml +++ b/docs/yaml/functions/shared_module.yaml @@ -15,12 +15,18 @@ description: | notes: - | - *Linking to a shared module is deprecated, and will be an error in the future*. - It used to be allowed because it was the only way to have a shared-library-like target that + *Linking to a shared module on platforms other than Android is deprecated, and will be an error + in the future*. + It was previously allowed because it was the only way to have a shared-library-like target that contained references to undefined symbols. However, since 0.40.0, the `override_options:` - [[build_target]] keyword argument can be used to create such a [[shared_library]], and shared - modules have other characteristics that make them incompatible with linking, such as a lack of - SONAME. Linking to shared modules also does not work on some platforms, such as on macOS / iOS. + [[build_target]] keyword argument can be used to create such a [[shared_library]] by passing + `override_options: 'b_lundef=false'`. Shared modules have other characteristics that make + them incompatible with linking, such as a lack of SONAME. + On macOS and iOS, linking to shared modules is disallowed by the linker, so we disallow it at + configure time. + On Android, if a shared module `foo` uses symbols from another shared module `bar`, `foo` must + also be linked to `bar`. Hence, linking one shared module to another will always be allowed when + building for Android. posargs_inherit: _build_target_base varargs_inherit: _build_target_base |