Date: Fri, 7 Dec 2018 11:43:29 -0700 From: Gary Aitken <freebsd@dreamchaser.org> To: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: -lfoo vs /usr/local/lib/libfoo.so Message-ID: <4e4f02e8-18b5-4e3e-2887-922946498bf1@dreamchaser.org>
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In trying to build a dev version of a port, the cmake script includes many libraries explicitly, and one (-lhdf5-18) using -l: /usr/bin/c++ -fPIC -Wall -Wextra -Wno-write-strings -O2 -pipe -I/usr/local/include/hdf5-18 -fstack-protector -isystem /usr/local/include -fno-strict-aliasing -isystem /usr/local/include -std=c++11 -Wno-undefined-var-template -D_OCC64 -O2 -pipe -I/usr/local/include/hdf5-18 -fstack-protector -isystem /usr/local/include -fno-strict-aliasing -isystem /usr/local/include -Wl,--no-undefined -shared -Wl,-soname,libFreeCADBase.so -o ../../lib/libFreeCADBase.so ... a bunch of .o files ... -Wl,-rpath,/usr/local/lib:/usr/local/lib/qt4: -lhdf5-18 /usr/local/lib/libpython2.7.so ... <more .so files> ... -lpthread -lz /usr/local/lib/qt4/libQtCore.so The above command fails with "/usr/bin/ld: cannot find -lhdf5-18" although /usr/local/lib/libhdf5-18.so exists and the rpath flag indicates /usr/local/lib If I replace -lhdf5-18 with /usr/local/lib/libhdf5-18.so it works. Curiously (to me) -lpthread and -lz are apparently working correctly, or at least aren't being mis-interpreted. I've tried tweaking the command to use -Wl,-lhdf5-18 but that fails also. Can anyone explain to me what's going on? Gary
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