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| author | Brad King <brad.king@kitware.com> | 2019-06-26 11:11:27 +0000 |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2019-06-26 07:11:34 -0400 |
| commit | c92f5f6a7325c8a6c3b07d7a36a94c474d7ea977 (patch) | |
| tree | 8a5a6fa38d09329eb1cc0711420e2f8db43b87c1 /Modules/FindMatlab.cmake | |
| parent | d770b9521292a9dbb6a2d20e4779afa379b79699 (diff) | |
| parent | c2595a4958963e3cdd5276420a15a7735176c50d (diff) | |
| download | cmake-c92f5f6a7325c8a6c3b07d7a36a94c474d7ea977.tar.gz | |
Merge topic 'FindMatlab/issue-19279-mex-compilation-error-on-attribute'
c2595a4958 FindMatlab: removing spaces in compiler define
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !3473
Diffstat (limited to 'Modules/FindMatlab.cmake')
| -rw-r--r-- | Modules/FindMatlab.cmake | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Modules/FindMatlab.cmake b/Modules/FindMatlab.cmake index b36dbf7822..5138f2a41f 100644 --- a/Modules/FindMatlab.cmake +++ b/Modules/FindMatlab.cmake @@ -1057,7 +1057,7 @@ function(matlab_add_mex) # This one is weird, it might be a bug in <mex.h> for R2018b. When compiling with # -fvisibility=hidden, the symbol `mexFunction` cannot be exported. Reading the # source code for <mex.h>, it seems that the preprocessor macro `MW_NEEDS_VERSION_H` - # needs to be defined for `__attribute__ ((visibility("default")))` to be added + # needs to be defined for `__attribute__((visibility("default")))` to be added # in front of the declaration of `mexFunction`. In previous versions of MATLAB this # was not the case, there `DLL_EXPORT_SYM` needed to be defined. # Adding `-fvisibility=hidden` to the `mex` command causes the build to fail. @@ -1093,11 +1093,13 @@ function(matlab_add_mex) set(_link_flags "${_link_flags} -Wl,${_export_flag_name},${_file}") endforeach() + # The `mex` command doesn't add this define. It is specified here in order + # to export the symbol in case the client code decides to hide its symbols set_target_properties(${${prefix}_NAME} PROPERTIES - DEFINE_SYMBOL "DLL_EXPORT_SYM=__attribute__ ((visibility (\"default\")))" + DEFINE_SYMBOL "DLL_EXPORT_SYM=__attribute__((visibility(\"default\")))" LINK_FLAGS "${_link_flags}" - ) # The `mex` command doesn't add this define. Is it necessary? + ) endif() |