Dear All,
I use find_package(ZLIB) to detect zlib on Ubuntu 16.04 Linux.
I have a newer zlib in /data/thirdparty that I'd like to use. To
prefer my newer version I add -DCMAKE_PREFIX_PATH="/data/thirdparty".
In my understanding, the documentation says CMAKE_PREFIX_PATH is
searched first (1). But cmake behaves different than I'd expect:
It detects the system zlib first:
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.2.8")
And then complains that zlib exists twice:
CMake Warning at CMakeLists.txt:693 (add_library):
Cannot generate a safe runtime search path for target bdaimage because
files in some directories may conflict with libraries in implicit
directories:
runtime library [libz.so.1] in /usr/lib/x86_64-linux-gnu may be hidden by
files in:
/data/thirdparty/lib
Some of these libraries may not be found correctly.
Why am I misunderstanding the documentation? Is CMAKE_PREFIX_PATH
not preferred over system directories?
All the best,
Mario Emmenlauer
(1) https://cmake.org/cmake/help/v3.0/command/find_package.html
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BioDataAnalysis GmbH, Mario Emmenlauer Tel. Buero: +49-89-74677203
Balanstr. 43 mailto: memmenlauer * biodataanalysis.de
D-81669 München http://www.biodataanalysis.de/
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