[CMake] [Digital Signature Failure] find_library not finding libraries - why?
Dvir Yitzchaki
Dvir.Yitzchaki at ceva-dsp.com
Thu Nov 9 03:06:16 EST 2017
I think you should either use the full file name, e.g. libClp.so or just use Clp.
See https://cmake.org/cmake/help/latest/command/find_library.html
Regards,
Dvir
From: CMake [mailto:cmake-bounces at cmake.org] On Behalf Of cornelis at bockemuehl.ch
Sent: Thursday, November 9, 2017 01:03
To: cmake at cmake.org
Subject: [Digital Signature Failure] [CMake] find_library not finding libraries - why?
In a CMakeLists.txt I have the following lines of code:
# with this the user will be asked for a path that has then
# lib64 other subdirectories that are specified below
FIND_PATH(CLP_DIR libClp)
SET(CLP_LIB ${CLP_DIR}/lib64)
# after the user specified CLP_DIR this shows what is expected:
# the full path to the libraries, but...
message(AUTHOR_WARNING ${CLP_LIB})
# with the following I think I cannot indicate more clearly where the libraries actually are:
FIND_LIBRARY(CLP_LIBRARY NAMES libClp PATHS ${CLP_LIB} NO_DEFAULT_PATH)
FIND_LIBRARY(COINUTILS_LIBRARY NAMES libCoinUtils PATHS ${CLP_LIB} NO_DEFAULT_PATH)
FIND_LIBRARY(OSI_LIBRARY NAMES libOsi PATHS ${CLP_LIB} NO_DEFAULT_PATH)
FIND_LIBRARY(OSICLP_LIBRARY NAMES libOsiClp PATHS ${CLP_LIB} NO_DEFAULT_PATH)
# ...here everything comes as -NOTFOUND
message(AUTHOR_WARNING ${CLP_LIBRARY})
message(AUTHOR_WARNING ${COINUTILS_LIBRARY})
message(AUTHOR_WARNING ${OSI_LIBRARY})
message(AUTHOR_WARNING ${OSICLP_LIBRARY})
A dir for the indicated directory shows the following files:
-rwxrwxrwx 1 cornelis users 907 8. Nov 18:37 libClp.la
lrwxrwxrwx 1 cornelis users 42 8. Nov 18:37 libClp.so -> libClp.so.1.13.11
lrwxrwxrwx 1 cornelis users 42 8. Nov 18:37 libClp.so.1 -> libClp.so.1.13.11
-rwxrwxrwx 1 cornelis users 1887336 8. Nov 18:37 libClp.so.1.13.11
-rwxrwxrwx 1 cornelis users 1010 8. Nov 18:37 libClpSolver.la
lrwxrwxrwx 1 cornelis users 54 8. Nov 18:37 libClpSolver.so -> libClpSolver.so.1.13.11
lrwxrwxrwx 1 cornelis users 54 8. Nov 18:37 libClpSolver.so.1 -> libClpSolver.so.1.13.11
-rwxrwxrwx 1 cornelis users 415224 8. Nov 18:37 libClpSolver.so.1.13.11
-rwxrwxrwx 1 cornelis users 870 8. Nov 18:37 libCoinUtils.la
lrwxrwxrwx 1 cornelis users 54 8. Nov 18:37 libCoinUtils.so -> libCoinUtils.so.3.10.14
lrwxrwxrwx 1 cornelis users 54 8. Nov 18:37 libCoinUtils.so.3 -> libCoinUtils.so.3.10.14
-rwxrwxrwx 1 cornelis users 1416632 8. Nov 18:37 libCoinUtils.so.3.10.14
-rwxrwxrwx 1 cornelis users 1059 8. Nov 18:37 libOsiClp.la
lrwxrwxrwx 1 cornelis users 48 8. Nov 18:37 libOsiClp.so -> libOsiClp.so.1.13.11
lrwxrwxrwx 1 cornelis users 48 8. Nov 18:37 libOsiClp.so.1 -> libOsiClp.so.1.13.11
-rwxrwxrwx 1 cornelis users 350080 8. Nov 18:37 libOsiClp.so.1.13.11
-rwxrwxrwx 1 cornelis users 1038 8. Nov 18:37 libOsiCommonTests.la
lrwxrwxrwx 1 cornelis users 62 8. Nov 18:37 libOsiCommonTests.so -> libOsiCommonTests.so.1.12.9
lrwxrwxrwx 1 cornelis users 62 8. Nov 18:37 libOsiCommonTests.so.1 -> libOsiCommonTests.so.1.12.9
-rwxrwxrwx 1 cornelis users 619392 8. Nov 18:37 libOsiCommonTests.so.1.12.9
-rwxrwxrwx 1 cornelis users 905 8. Nov 18:37 libOsi.la
lrwxrwxrwx 1 cornelis users 40 8. Nov 18:37 libOsi.so -> libOsi.so.1.12.9
lrwxrwxrwx 1 cornelis users 40 8. Nov 18:37 libOsi.so.1 -> libOsi.so.1.12.9
-rwxrwxrwx 1 cornelis users 400776 8. Nov 18:37 libOsi.so.1.12.9
drwxrwxrwx 1 cornelis users 4096 8. Nov 18:37 pkgconfig
so the libraries are obviously there!
Questions:
What am I doing wrong?
What did I possibly misunderstand regarding the find_library command?
Thanks for any helpful hints!
Cornelis
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