I tried that but then target_link_libraries will automatically add “-l” in
front of every additional flag I pass. Is there a way to pass other flags
without having it changed them?
i.e.:
target_link_libraries(${PROJECT_NAME} -Wl,--start-group foo bar -Wl,--end-group)
…ends up like this in the linker command line:
-l”-Wl,--start-group” –lfoo –lbar –l”-Wl,--end-group”
So how do you preserve other flags so that it ends up like this:
-Wl,--start-group –lfoo –lbar -Wl,--end-group
From: Justin Borodinsky [mailto:[email protected]]
Sent: Thursday, January 8, 2015 10:18 PM
To: Robert Goulet
Cc: Robert Maynard; [email protected]
Subject: Re: [cmake-developers] target_link_libraries and
--start-group/--end-group ?
I had a similar problem, and I found that passing the extra flags, along with
the libraries, to target_link_libraries directly worked.
On Tue, Jan 6, 2015 at 3:50 PM, Robert Goulet
<[email protected]<mailto:[email protected]>> wrote:
Thanks Robert,
But it doesn’t seems to work when building for NVidia NSight Android platform
using Visual Studio IDE. Is there a way to add custom flags before and after
the flags set by target_link_libraries? I tried CMAKE_LINK_EXE_FLAGS but it
doesn’t work. Thanks!
From: Robert Maynard
[mailto:[email protected]<mailto:[email protected]>]
Sent: Monday, January 5, 2015 4:22 PM
To: Robert Goulet
Cc: [email protected]<mailto:[email protected]>
Subject: Re: [cmake-developers] target_link_libraries and
--start-group/--end-group ?
I believe what you want to do is bring the libraries in as imported targets and
set the target property IMPORTED_LINK_INTERFACE_MULTIPLICITY (
http://www.cmake.org/cmake/help/v3.0/prop_tgt/IMPORTED_LINK_INTERFACE_MULTIPLICITY.html
).
By default the value should be 2 which means that we will list all static
libraries twice, but you might need to increase the value.
I would also read the resolution of bug 14463
(http://public.kitware.com/Bug/view.php?id=14463) for a quick explanation of
how the target_link_libraries order determines the static link ordering.
On Mon, Jan 5, 2015 at 2:09 PM, Robert Goulet
<[email protected]<mailto:[email protected]>> wrote:
Hi,
My project needs to link with an external library which actually consist of a
set of libraries. Adding these libs using target_link_libraries should be
working just fine but unfortunately these libs have a bunch of circular
dependencies, so it fails. In the makefile, we link with these libs using this
syntax:
-Wl,--start-group …libs… -Wl,--end-group
…so that the linker is able to correctly find all symbols. What’s the proper
way to deal with this using CMake? I tried to add the group flags to
target_link_libraries but it does not work. Thanks!
Robert Goulet
Senior Software Developer
Games Solutions Group
Autodesk Media & Entertainment
MAIN +1 514 393 1616<tel:%2B1%20514%20393%201616>
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MOBILE +1 438 397 4075<tel:%2B1%20438%20397%204075>
Autodesk, Inc.
10 Rue Duke
Montreal, QC, H3C 2L7
www.autodesk.com<http://www.autodesk.com/>
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