[vlc-devel] [PATCH 4/5] configure: add an option to generate PDB files when building

Martin Storsjö martin at martin.st
Fri May 17 08:18:41 CEST 2019

On Fri, 17 May 2019, Steve Lhomme wrote:

> On 2019-05-16 21:35, Martin Storsjö wrote:
>> On Thu, 16 May 2019, Steve Lhomme wrote:
>>> This will only be enabled when building windows targets and will only 
>>> work when
>>> compiling with Clang.
>>> ---
>>> bin/Makefile.am   |  3 +++
>>> configure.ac      | 13 +++++++++++++
>>> lib/Makefile.am   |  3 +++
>>> modules/common.am |  3 +++
>>> src/Makefile.am   |  3 +++
>>> 5 files changed, 25 insertions(+)
>> Thanks; this patchset is much clearer.
>> However, if we'd go with tweaking the lld option (which is progressing 
>> fine upstream at https://reviews.llvm.org/D62004), we could get rid of 
>> patch 1 (the libtool patch) altogether, and get rid of all the changes 
>> to Makefile.am here, by just adding -Wl,-pdb= to the global LDFLAGS.
> One of the use of the libtool feature is that it handles the .pdb 
> cleaning with "make clean".

That's a valid point, but I don't see that handling in the libtool patch 
in 1/5 in the latest series? The same would be to have it go along with 
"make install" as well.

> I'm also not sure about pathes to find the .PDB when built with WSL (I 
> haven't tried it yet). So I prefer to put the PDB next to the DLL, in 
> the .libs folder. And that's a libtool folder, it's unknown to the 
> makefiles.

Yes, with the -Wl,-pdb= feature for implicitly naming the pdb file, it 
will go there. Libtool calls the real linker with "-o .libs/myplugin.dll", 
and the linker would in this case make the implicit pdb output name 

// Martin

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