[CMake] cmake finds libxml2 but still says its missing

[Florian Lindner]

Am 08.05.2018 um 15:12 schrieb Rolf Eike Beer:
> Am 2018-05-08 14:51, schrieb Florian Lindner:
>> Hello,
>>
>> I try to compile my software like
>>
>> cmake -DCMAKE_TOOLCHAIN_FILE=../../toolchain.cmake -DBUILD_SHARED_LIBS=off ../..
>>
>>> cat ../../toolchain.cmake
>> SET(CMAKE_SYSTEM_NAME Hazelhen)
>> SET(CMAKE_C_COMPILER       cc)
>> SET(CMAKE_CXX_COMPILER     CC)
>> SET(CMAKE_Fortran_COMPILER ftn)
>>
>> which gives me the error:
>>
>> CMake Error at
>> /usr/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:148
>> (message):
>>   Could NOT find LibXml2 (missing: LIBXML2_LIBRARIES) (found version "2.9.4")
>> Call Stack (most recent call first):
>>   /usr/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:388
>> (_FPHSA_FAILURE_MESSAGE)
>>   /usr/share/cmake/Modules/FindLibXml2.cmake:69
>> (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
>>   CMakeLists.txt:73 (find_package)
> 
> It can determine the version, e.g. because it can ask pkg-config or finds the header, but it does not find the library
> to link to.

Ok, is there any way to get more information on that? CMakeOutput.log contains no reference at all to "xml".

The library files are there:

> ls /usr/lib/libxml*
/usr/lib/libxml2.so.2  /usr/lib/libxml2.so.2.9.4

>> I am a bit puzzled, because it says it found libxml 2.9.4, but then
>> again does not set the $LIBXML2_LIBRARIES.
>>
>> Usage is
>>
>> find_package(LibXml2 REQlesUIRED)
> 
> sure?

Haha, not really. Obviously was typing in the wrong window, in the file it's REQUIRED, of course.

> Eike

Best,
Florian