OSX: ld: unknown option: -no_compact_unwind

[erling_andersen]

When build an apllication with Intel C 13 on MAC OSX I get

ld: unknown option: -no_compact_unwind

The problem occurs on Lion i.e. 10.7. I have googled for answer but have not had any luck. ANy suggestions?

[Milind_Kulkarni__Int]

does this happen with "hello world"? would be good to send code that has problem. are you using some option -no_compact_unwind in command-line. check the whole & make script. if you use configure script or something, might have added -Wl,-no_compact_unwind somewhere? I think this option just shortens size of executable. check command-line to see where come from, and remove that for workaround. if its simply a warning, you can neglect it, or disable using some pragma or compile option -wd <...> if all this does not work, you can check with gcc or old intel compiler and let know if it is regression, and probably a few detail more that can help us help you more.

[erling_andersen]

Below is my link line. I do not include -no_compact_unwind anywhere. /remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/bin/intel64/icc -gcc-name=/Developer/usr/bin/gcc-4.2 -gcc-version=420 -install_name @rpath/libmosek64.7.0.dylib -single_module -current_version 7.0.21 -exported_symbols_list /home/eda/mosekprj/dev/bld/rungsted/devel/default/intelc-13.0.0/def/mosekdll.def -pthread -B/Developer/usr -dynamiclib -o bld/rungsted/devel/default/intelc-13.0.0/dll/unmodified-dylib/libmosek64.7.0.dylib bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/mosekexception.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/aossm.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/basord.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bheap.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bigint.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bool.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bsimplex.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bsto.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bvector.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dcevd.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/debugfac.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/detectnet.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dlman.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/depri.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dsimplex.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dualize.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dupsub.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/extendedprec.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/fileext.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/genutils.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/graphpar.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/graph.o 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bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/symschur-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/chfactor-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dchblas-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/densefac-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/psschur-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/lrvector.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/mathkernel_generic-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/nfac-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/densemath-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/parreorder-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/dlinklist-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/bufstack-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/buffers-generic-omp.o bld/rungsted/devel/default/intelc-13.0.0/dll/mosek-objs/denseldl-generic-omp.o extern/flexlm/src/11.10.0/osx64x86/lm_new.o extern/flexlm/src/11.10.0/osx64x86/liblmgr.a extern/flexlm/src/11.10.0/osx64x86/libcrvs.a extern/flexlm/src/11.10.0/osx64x86/libsb.a extern/flexlm/src/11.10.0/osx64x86/libnoact.a extern/flexlm/src/11.10.0/osx64x86/liblmgr_dongle_stub.a bld/rungsted/devel/default/intelc-13.0.0/src/mosek/mosekbld.o bld/rungsted/devel/default/intelc-13.0.0/lib/libmskmio.a bld/rungsted/devel/default/intelc-13.0.0/lib/libsysinfo.a bld/rungsted/devel/default/intelc-13.0.0/lib/libz.a /remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/mkl/lib/libmkl_core.a /remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/mkl/lib/libmkl_sequential.a /remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/mkl/lib/libmkl_intel_lp64.a /Developer/usr/lib/gcc/i686-apple-darwin9/4.2.1/x86_64/libgcc.a -L/remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/mkl/lib -Lextern/lindo/osx64x86 -L/home/eda/mosekprj/dev/bld/rungsted/devel/default/intelc-13.0.0/lib -L/Developer/usr/lib/gcc/i686-apple-darwin9/4.2.1/x86_64 -L/remote/public/macosx/x86/opt/intel/composer_xe_2013.0.088/compiler/lib/ -liomp5 -framework IOKit -framework CoreFoundation -framework Coreservices ld: unknown option: -no_compact_unwind scons: *** [bld/rungsted/devel/default/intelc-13.0.0/dll/unmodified-dylib/libmosek64.7.0.dylib] Error

[Judith_W_Intel]

This might have something do with our fix for: http://software.intel.com/en-us/articles/ipo-warning-11015-warning-unknown-option-no_compact_unwind I see the code below in the icc driver code where it is purposely adding that option... I think the real question is why your linker is not accepting the option. What version of "ld" are you using (Do a ld -v)? if (OPT_macosx_version_val >= 1060 && (OPT_create_lib_val != CREATE_LIB_STATIC || !link_libtool_static_flag)) { // For Snow Leopard and above pass -no_compact_unwind to the linker // to suppress warnings about inability to compact // __eh_frame (CQ160101), and avoid linker fails // during parsing of __eh_frame (CQ139410). // // NOTE: if we are using libtool to create a static // library, then we cannot use -no_compact_unwind (CQ151036). // v_add_member(av, _T("-no_compact_unwind"), MT_OPTION); }

[William_M_1]

Did you correspond with William M. Create a two way exchange of ideas? Did anyone receive a communication from William M. prior to this one, all remarks are confidential. The only other person/s to see it would be properly appointed representative or Intel. I am not such a designee. If any of you wish I can enlist the aid of Intel tech support

[William_M_1]

Have any of you had contact with WilliamM. where it initiated William M.'s message?

[erling_andersen]

I think we use Xcode 3.1. eda@gentofte:~$ ld -v @(#)PROGRAM:ld PROJECT:ld64-97.17 llvm version 2.8svn [The William stuff above I have no clue about what is.]

[Judith_W_Intel]

Thank you. I don't have access to the relevant operating system to confirm the problem but I entered DPD200238582 in our bug tracking database for the compiler team to investigate. It sounds like the Gnu linker has this option but the llvm linker does not.

[erling_andersen]

Is there way way I can see which ld INTEL C is picking up? There are multiple lds on the system.

[Judith_W_Intel]

Yes add the -dryrun option to your command line and it will show you what commands the driver is executing, i.e.: -dryrun show driver tool commands but do not execute tools

[EAnde4]

Do you know something more now?

[SergeyKostrov]

>>...Do you know something more now? Do you want to know status of DPD200238582 problem, or something else? Please clarify.

[EAnde4]

The have solved the issue myself. I did not use the llvm-gcc but a true gcc. That does not work.