[cmake-developers] [CMake 0015034]: target_link_libraries omits some dependencies

[Mantis Bug Tracker]

The following issue has been SUBMITTED. 
====================================================================== 
http://www.cmake.org/Bug/view.php?id=15034 
====================================================================== 
Reported By:                Glenn Coombs
Assigned To:                
====================================================================== 
Project:                    CMake
Issue ID:                   15034
Category:                   CMake
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     new
====================================================================== 
Date Submitted:             2014-07-23 04:56 EDT
Last Modified:              2014-07-23 04:56 EDT
====================================================================== 
Summary:                    target_link_libraries omits some dependencies
Description: 
The target_link_libraries command fails to add the specified linker option under
some conditions.

Steps to Reproduce: 
Save the example CMakeLists.txt file attached to this ticket and then run these
commands:

mkdir build
cd build
cmake ..
make VERBOSE=yes

The link command generated for my_lib_shared is as follows:

gcc -fPIC -shared -Wl,-soname,libmy_lib_shared.so 
-o libmy_lib_shared.so CMakeFiles/my_lib_shared.dir/my_lib_shared.c.o 
libsome_lib_1.a 
-Wl,-whole-archive libsome_lib_3.a -Wl,-no-whole-archive
libsome_lib_2.a 
-Wl,-whole-archive libsome_lib_4.a
libsome_lib_5.a

which is incorrect.  The lib4 line should include a -no-whole-archive option on
the end.  If you comment line 25 and uncomment line 26 in the CMakeLists.txt
then the correct output is generated:

gcc -fPIC -shared -Wl,-soname,libmy_lib_shared.so -o 
libmy_lib_shared.so CMakeFiles/my_lib_shared.dir/my_lib_shared.c.o
libsome_lib_1.a 
-Wl,-whole-archive libsome_lib_3.a -Wl,-no-whole-archive 
libsome_lib_2.a 
-Wl,-whole-archive libsome_lib_4.a -Wl,-Qy,-no-whole-archive
libsome_lib_5.a

For some reason the -no-whole-archive is omitted unless another option precedes
it.
====================================================================== 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2014-07-23 04:56 Glenn Coombs   New Issue                                    
2014-07-23 04:56 Glenn Coombs   File Added: CMakeLists.txt                    
======================================================================