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

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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
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3
Source/cmMakefileExecutableTargetGenerator.cxx
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@@ -196,6 +196,8 @@ void cmMakefileExecutableTargetGenerator::WriteDeviceExecutableRule(
this->CreateObjectLists(useLinkScript, false, useResponseFileForObjects,
buildObjs, depends, useWatcomQuote);
std::string const& aixExports = this->GetAIXExports(this->GetConfigName());
cmRulePlaceholderExpander::RuleVariables vars;
std::string objectDir = this->GeneratorTarget->GetSupportDirectory();
@@ -219,6 +221,7 @@ void cmMakefileExecutableTargetGenerator::WriteDeviceExecutableRule(
cmOutputConverter::SHELL);
vars.Language = linkLanguage.c_str();
vars.AIXExports = aixExports.c_str();
vars.Objects = buildObjs.c_str();
vars.ObjectDir = objectDir.c_str();
vars.Target = target.c_str();