diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/users_guide/8.6.1-notes.rst | 5 | ||||
| -rw-r--r-- | docs/users_guide/phases.rst | 20 |
2 files changed, 19 insertions, 6 deletions
diff --git a/docs/users_guide/8.6.1-notes.rst b/docs/users_guide/8.6.1-notes.rst index 17617ac61a..1e3f509843 100644 --- a/docs/users_guide/8.6.1-notes.rst +++ b/docs/users_guide/8.6.1-notes.rst @@ -56,6 +56,11 @@ Compiler - GHC now supports British spelling of :extension:`GeneralizedNewtypeDeriving`. +- The code-generation effects of :ghc-flag:`-dynamic` can now be + enabled independently by the flag + :ghc-flag:`-fexternal-dynamic-refs`. If you don't know why you might + need this, you don't need it. + Runtime system ~~~~~~~~~~~~~~ diff --git a/docs/users_guide/phases.rst b/docs/users_guide/phases.rst index ad9daf1279..a2c25c79eb 100644 --- a/docs/users_guide/phases.rst +++ b/docs/users_guide/phases.rst @@ -580,6 +580,15 @@ Options affecting code generation Windows, position-independent code is never used so the flag is a no-op on that platform. +.. ghc-flag:: -fexternal-dynamic-refs + :shortdesc: Generate code for linking against dynamic libraries + :type: dynamic + :category: codegen + + When generating code, assume that entities imported from a + different module might be dynamically linked. This flag is enabled + automatically by :ghc-flag:`-dynamic`. + .. ghc-flag:: -fPIE :shortdesc: Generate code for a position-independent executable (where available) :type: dynamic @@ -596,12 +605,11 @@ Options affecting code generation :category: codegen :noindex: - When generating code, assume that entities imported from a different - package will be dynamically linked. This can reduce code size - tremendously, but may slow-down cross-package calls of non-inlined - functions. There can be some complications combining :ghc-flag:`-shared` - with this flag relating to linking in the RTS under Linux. See - :ghc-ticket:`10352`. + Build code for dynamic linking. This can reduce code size + tremendously, but may slow-down cross-module calls of non-inlined + functions. There can be some complications combining + :ghc-flag:`-shared` with this flag relating to linking in the RTS + under Linux. See :ghc-ticket:`10352`. Note that using this option when linking causes GHC to link against shared libraries. |