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author | Ralf Habacker <ralf.habacker@freenet.de> | 2023-01-12 12:28:35 +0100 |
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committer | Ralf Habacker <ralf.habacker@freenet.de> | 2023-01-17 14:23:02 +0100 |
commit | 22d8ff63f5b740eae7c502ba520151c14b0252ab (patch) | |
tree | b11c38c032704437efaec1b0ea81d6863e491e24 /Help/prop_tgt/DEFINE_SYMBOL.rst | |
parent | 304f13330587aa182863eff83dae3c715e3fdc89 (diff) | |
download | cmake-22d8ff63f5b740eae7c502ba520151c14b0252ab.tar.gz |
Help: add notes for POSIX platforms to the DEFINE_SYMBOL target property
Fixes #24310
Diffstat (limited to 'Help/prop_tgt/DEFINE_SYMBOL.rst')
-rw-r--r-- | Help/prop_tgt/DEFINE_SYMBOL.rst | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Help/prop_tgt/DEFINE_SYMBOL.rst b/Help/prop_tgt/DEFINE_SYMBOL.rst index eb7f93735c..775cf898cb 100644 --- a/Help/prop_tgt/DEFINE_SYMBOL.rst +++ b/Help/prop_tgt/DEFINE_SYMBOL.rst @@ -8,4 +8,10 @@ compiling sources in a shared library. If not set here then it is set to ``target_EXPORTS`` by default (with some substitutions if the target is not a valid C identifier). This is useful for headers to know whether they are being included from inside their library or outside to -properly setup dllexport/dllimport decorations. +properly setup dllexport/dllimport decorations on Windows. + +On POSIX platforms, this can optionally be used to control the visibility +of symbols. + +CMake provides support for such decorations with the :module:`GenerateExportHeader` +module. |