AIX: Add an option to disable automatic exports from shared libraries

Since commit 0f150b69d3 (AIX: Explicitly compute shared object exports
for both XL and GNU, 2019-07-11, v3.16.0-rc1~418^2~2) we always export
all symbols from shared libraries by default.  Add a new target property
called `AIX_EXPORT_ALL_SYMBOLS` that can be explicitly set to OFF to
suppress this behavior and export no symbols by default.

Fixes: #20290
This commit is contained in:
Brad King
2020-01-30 09:10:58 -05:00
parent 67f30811ce
commit afcd9fe669
23 changed files with 102 additions and 5 deletions
@@ -0,0 +1,6 @@
CMAKE_AIX_EXPORT_ALL_SYMBOLS
----------------------------
Default value for :prop_tgt:`AIX_EXPORT_ALL_SYMBOLS` target property.
This variable is used to initialize the property on each target as it is
created.