<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi all,<div class=""><br class=""></div><div class="">I have one of those complex interactions that results in an issue where it’s not clear to me which component is responsible.</div><div class=""><br class="">I have unit tests written using CTest that depend on Intel's MKL BLAS implementation. I use find_package(BLAS) and link the test executables to ${BLAS_LIBRARIES}. The test executables depend on the DYLD_LIBRARY_PATH to find the mkl libraries, rather than an embedded LC_RPATH.<br class=""><br class="">Unfortunately, because of Apple’s SIP, the DYLD_LIBRARY_PATH is not propagated to the ctest environment, so when it tries to run the tests it fails to link the MKL libraries.<br class=""><br class="">I need to get CMake to embed an external LC_PATH for test executables in the build directory.<br class=""><br class="">Here's a basic test executable (test.cpp)</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><pre class="prettyprinted lang-cpp prettyprint" style="margin-top: 0px; margin-bottom: 1em; padding: 12px 8px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: rgb(239, 240, 241); border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; color: rgb(57, 51, 24); overflow-wrap: normal; orphans: 2; widows: 2;"><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; vertical-align: baseline; box-sizing: inherit; white-space: inherit;" class=""><span class="com" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(133, 140, 147);">#include</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);"> </span><span class="str" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(125, 39, 39);"><mkl_cblas.h></span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">
</span><span class="typ" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(43, 145, 175);">int</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);"> main</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">()</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">{</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">
</span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(16, 16, 148);">return</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);"> </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">&</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">cblas_dgemm </span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">!=</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);"> </span><span class="kwd" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(16, 16, 148);">nullptr</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">;</span><span class="pln" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">
</span><span class="pun" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; box-sizing: inherit; color: rgb(48, 51, 54);">}</span></code></pre></blockquote></div><div class="">and here is the associated CMakeLists.txt</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><pre style="margin-top: 0px; margin-bottom: 1em; padding: 12px 8px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: rgb(239, 240, 241); border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; overflow-wrap: normal; color: rgb(36, 39, 41); orphans: 2; widows: 2;" class=""><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; vertical-align: baseline; box-sizing: inherit; white-space: inherit;" class="">cmake_minimum_required(VERSION 3.14.5)
project(blas LANGUAGES CXX)
include(CTest)
set(BLA_VENDOR Intel10_64lp_seq)
find_package(BLAS REQUIRED)
add_executable(test_blas test.cpp)
target_link_libraries(test_blas ${BLAS_LIBRARIES})
add_test(NAME test_direct COMMAND test_blas)</code></pre></blockquote><div class="">This finds MKL and builds and links the executable without any problem, and I can run it manually from my shell. But when I run with CTest I have the SIP issue because MacOS won’t propagate the necessary DYLD_LIBRARY_PATH into CTest’s environment.</div></div><div class=""><br class=""></div><div class=""><blockquote type="cite" class=""><pre style="margin-top: 0px; margin-bottom: 1em; padding: 12px 8px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: rgb(239, 240, 241); border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; overflow-wrap: normal; color: rgb(36, 39, 41); orphans: 2; widows: 2;" class=""><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; vertical-align: baseline; box-sizing: inherit; white-space: inherit;" class="">Lukes-MacBook:test ldalessa$ make test
Running tests...
Test project /Users/ldalessa/test
Start 1: test_direct
1/1 Test #1: test_direct ......................Child aborted***Exception: 0.01 sec
0% tests passed, 1 tests failed out of 1
Total Test time (real) = 0.01 sec
The following tests FAILED:
1 - test_direct (Child aborted)
Errors while running CTest
make: *** [test] Error 8
</code></pre></blockquote><br class=""><blockquote type="cite" class=""><pre style="margin-top: 0px; margin-bottom: 1em; padding: 12px 8px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; width: auto; max-height: 600px; overflow: auto; background-color: rgb(239, 240, 241); border-top-left-radius: 3px; border-top-right-radius: 3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px; overflow-wrap: normal; color: rgb(36, 39, 41); orphans: 2; widows: 2;" class=""><code style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant-ligatures: inherit; font-variant-position: inherit; font-variant-caps: inherit; font-variant-numeric: inherit; font-variant-alternates: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; vertical-align: baseline; box-sizing: inherit; white-space: inherit;" class="">Lukes-MacBook:test ldalessa$ cat Testing/Temporary/LastTest.log
Start testing: Jun 10 03:35 PDT
----------------------------------------------------------
1/1 Testing: test_direct
1/1 Test: test_direct
Command: "/Users/ldalessa/test/test_blas"
Directory: /Users/ldalessa/test
"test_direct" start time: Jun 10 03:35 PDT
Output:
----------------------------------------------------------
dyld: Library not loaded: @rpath/libmkl_intel_lp64.dylib
Referenced from: /Users/ldalessa/test/test_blas
Reason: image not found
<end of output>
Test time = 0.01 sec
----------------------------------------------------------
Test Failed.
"test_direct" end time: Jun 10 03:35 PDT
"test_direct" time elapsed: 00:00:00
----------------------------------------------------------
End testing: Jun 10 03:35 PDT
Lukes-MacBook:test ldalessa$ </code></pre></blockquote><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">My temporary workaround for this is currently to use Apple's Accelerate framework instead of MKL, which links using an embedded LC_PATH properly. The reason this isn’t adequate is that it is an intrusive solution. Intel's MKL uses different headers (</span><code style="margin: 0px; padding: 1px 5px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; background-color: rgb(239, 240, 241); color: rgb(36, 39, 41); orphans: 2; widows: 2;" class="">mkl_blas.h</code><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">, </span><code style="margin: 0px; padding: 1px 5px; border: 0px; font-variant-ligatures: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; font-family: Consolas, Menlo, Monaco, "Lucida Console", "Liberation Mono", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Courier New", monospace, sans-serif; font-size: 13px; vertical-align: baseline; box-sizing: inherit; background-color: rgb(239, 240, 241); color: rgb(36, 39, 41); orphans: 2; widows: 2;" class="">mkl_lapack.h</code><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">) and symbol names which are explicitly used in the source code, so I have to have extra configure-time and configured header changes to adapt the code base to Accelerate. We also don’t (and won’t) have verified and validated code with Accelerate so it’s not a long term solution to our issues. Disabling SIP is also a non-starter.</span></div></div><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">Thanks,</span></div><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">Luke</span></div><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div class=""><span style="color: rgb(36, 39, 41); font-family: Arial, "Helvetica Neue", Helvetica, sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><font color="#242729" face="Arial, Helvetica Neue, Helvetica, sans-serif" size="2" class="">(</font><a href="https://stackoverflow.com/questions/56524774/how-to-use-ctest-on-macos-without-disabling-sip-no-lc-path-is-set" style="font-family: Helvetica; font-size: 12px;" class="">https://stackoverflow.com/questions/56524774/how-to-use-ctest-on-macos-without-disabling-sip-no-lc-path-is-set</a><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px;" class="">)</span></span></div><div class=""><br class=""></div></body></html>