Hi,
I am using g++ 3.3 on os X 10.3.9. I have created my own library
using
ar ruv *.o files
After this I try to compile a test program using,
g++ -pg -O -Wno-deprecated -ansi -pedantic -o test test.C
-DANSI_HEADERS -D_G_HAVE_BOOL -I. -I/ALLINCLUDEDIRS -lmylib -llpsolve51
-lm -L.
And the compilation works fine.
But when i try to run the executable ./test, I get the following error
message:
dyld: ./test_grid can't open library: liblpsolve51.dylib (No such file
or directory, errno = 2)
Trace/BPT trap
The library liblpsolve.dylib is NOT located in the current directory. I tried checking the value of LD_LIBRARY_PATH using echo$LD_LIBRARY_PATH, but nothing showed up.
It seems that LD_LIBRARY_PATH is not set, and moreover I am not even sure if it is used on darwin? On posting to a newsgroup, I was told that I need DYLD_LIBRARY_PATH instead. On doing echo $DYLD_LIBRARY_PATH I do not see any paths. Isn't a default value set for them already?
How can I resolve this problem?
thanks,
amit.
I am using g++ 3.3 on os X 10.3.9. I have created my own library
using
ar ruv *.o files
After this I try to compile a test program using,
g++ -pg -O -Wno-deprecated -ansi -pedantic -o test test.C
-DANSI_HEADERS -D_G_HAVE_BOOL -I. -I/ALLINCLUDEDIRS -lmylib -llpsolve51
-lm -L.
And the compilation works fine.
But when i try to run the executable ./test, I get the following error
message:
dyld: ./test_grid can't open library: liblpsolve51.dylib (No such file
or directory, errno = 2)
Trace/BPT trap
The library liblpsolve.dylib is NOT located in the current directory. I tried checking the value of LD_LIBRARY_PATH using echo$LD_LIBRARY_PATH, but nothing showed up.
It seems that LD_LIBRARY_PATH is not set, and moreover I am not even sure if it is used on darwin? On posting to a newsgroup, I was told that I need DYLD_LIBRARY_PATH instead. On doing echo $DYLD_LIBRARY_PATH I do not see any paths. Isn't a default value set for them already?
How can I resolve this problem?
thanks,
amit.
Macos Dynamic Library Search Path
I have the following shared libraries linked in my executable:
$ otool -L myexe
mds:
libchartdir.4.dylib (compatibility version 4.0.0, current version 4.1.0)
/opt/local/lib/libQuantLib-0.9.0.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/libboost_date_time-1_34_1.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/libboost_program_options-1_34_1.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/liblog4cpp.4.dylib (compatibility version 5.0.0, current version 5.6.0)
/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
/System/Library/Frameworks/Carbon.framework/Versions/A/Carbon (compatibility version 2.0.0, current version 128.0.0)
/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 11.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.3.11)
/System/Library/Frameworks/QuickTime.framework/Versions/A/QuickTime (compatibility version 1.0.0, current version 861.0.0)
/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.4.0)
/usr/local/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0)
libchartdir, the first library in the otool list, does not have an absolute path set. I have to set the DYLD_FALLBACK_LIBRARY_PATH to /opt/local/lib to let dyld find it at runtime.
What makes the other libraries installed under /opt/local/lib (QuantLib, boost) have their path recorded in the executable?
$ otool -L myexe
mds:
libchartdir.4.dylib (compatibility version 4.0.0, current version 4.1.0)
/opt/local/lib/libQuantLib-0.9.0.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/libboost_date_time-1_34_1.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/libboost_program_options-1_34_1.dylib (compatibility version 0.0.0, current version 0.0.0)
/opt/local/lib/liblog4cpp.4.dylib (compatibility version 5.0.0, current version 5.6.0)
/System/Library/Frameworks/IOKit.framework/Versions/A/IOKit (compatibility version 1.0.0, current version 275.0.0)
/System/Library/Frameworks/Carbon.framework/Versions/A/Carbon (compatibility version 2.0.0, current version 128.0.0)
/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa (compatibility version 1.0.0, current version 11.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 88.3.11)
/System/Library/Frameworks/QuickTime.framework/Versions/A/QuickTime (compatibility version 1.0.0, current version 861.0.0)
/System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL (compatibility version 1.0.0, current version 1.0.0)
/System/Library/Frameworks/AGL.framework/Versions/A/AGL (compatibility version 1.0.0, current version 1.0.0)
/usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.4.0)
/usr/local/lib/libgcc_s.1.dylib (compatibility version 1.0.0, current version 1.0.0)
libchartdir, the first library in the otool list, does not have an absolute path set. I have to set the DYLD_FALLBACK_LIBRARY_PATH to /opt/local/lib to let dyld find it at runtime.
What makes the other libraries installed under /opt/local/lib (QuantLib, boost) have their path recorded in the executable?
Dynamic Library Download
Nov 05, 2010 Note that if the 'loader' is an application rather than a plug-in, the @loaderpath ends up being equivalent to @executablepath. New in Mac OS X 10.5 Leopard is @rpath. Key points: @rpath instructs the dynamic linker to search a list of paths in order to locate the framework; critically, this list is embedded in the loading application. Since MKL 10.x, Intel Compiler for Mac OS intergate MKL as part of product. Please refer to Intel Compiler User and Reference Guide =Building Applications with Xcode. IDE' or 'Configuring the Apple Xcode. Labview packed library. Developer Software to Link with Intel MKL' section in MKL user guide for more details.
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