[MacPorts] #57152: clang: asan does not work

[MacPorts]

#57152: clang: asan does not work
----------------------------------------------+----------------------
  Reporter:  akimd                            |      Owner:  jeremyhu
      Type:  defect                           |     Status:  assigned
  Priority:  Normal                           |  Milestone:
 Component:  ports                            |    Version:  2.5.3
Resolution:                                   |   Keywords:
      Port:  clang-devel clang-6.0 clang-7.0  |
----------------------------------------------+----------------------

Comment (by kencu):

 We have adjusted the rpaths for an issue like this before. Clearly still
 needs some tweaking. Thanks.

 It's looking here:
 {{{
 /opt/local/libexec/llvm-7.0/lib/libclang_rt.asan_osx_dynamic.dylib
 }}}

 But the library is really here:
 {{{
 /opt/local/libexec/llvm-7.0/lib/clang/7.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
 }}}
 Here's full output from the build/link line:
 {{{
 $ clang++ -v -Wl,"-v" -fsanitize=address foo.cc
 clang version 7.0.0 (tags/RELEASE_700/final)
 Target: x86_64-apple-darwin18.0.0
 Thread model: posix
 InstalledDir: /opt/local/libexec/llvm-7.0/bin
  "/opt/local/libexec/llvm-7.0/bin/clang" -cc1 -triple x86_64-apple-
 macosx10.14.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-
 usage -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -discard-
 value-names -main-file-name foo.cc -mrelocation-model pic -pic-level 2
 -mthread-model posix -mdisable-fp-elim -masm-verbose -munwind-tables
 -target-cpu penryn -dwarf-column-info -debugger-tuning=lldb -target-
 linker-version 409.12 -v -resource-dir
 /opt/local/libexec/llvm-7.0/lib/clang/7.0.0 -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
 -I/usr/local/include -stdlib=libc++ -fdeprecated-macro -fdebug-
 compilation-dir /Users/cunningh -ferror-limit 19 -fmessage-length 185
 -fsanitize=address -fsanitize-
 blacklist=/opt/local/libexec/llvm-7.0/lib/clang/7.0.0/share/asan_blacklist.txt
 -fsanitize-address-use-after-scope -fsanitize-address-globals-dead-
 stripping -fno-assume-sane-operator-new -stack-protector 1 -fblocks
 -fencode-extended-block-signature -fregister-global-dtors-with-atexit
 -fobjc-runtime=macosx-10.14.0 -fcxx-exceptions -fexceptions -fmax-type-
 align=16 -fdiagnostics-show-option -fcolor-diagnostics -o
 /var/folders/hp/684rvltd0c127nmt0bh3bpzm0000gn/T/foo-409159.o -x c++
 foo.cc
 clang -cc1 version 7.0.0 based upon LLVM 7.0.0 default target x86_64
 -apple-darwin18.0.0
 ignoring nonexistent directory "/usr/local/include"
 ignoring nonexistent directory
 "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include/c++/v1"
 ignoring nonexistent directory
 "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/local/include"
 ignoring nonexistent directory
 "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/Library/Frameworks"
 #include "..." search starts here:
 #include <...> search starts here:
  /opt/local/libexec/llvm-7.0/include/c++/v1
  /opt/local/libexec/llvm-7.0/lib/clang/7.0.0/include
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/include
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks
 (framework directory)
 End of search list.
  "/opt/local/libexec/llvm-7.0/bin/ld" -demangle -lto_library
 /opt/local/libexec/llvm-7.0/lib/libLTO.dylib -no_deduplicate -dynamic
 -arch x86_64 -macosx_version_min 10.14.0 -syslibroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk
 -o a.out -v /var/folders/hp/684rvltd0c127nmt0bh3bpzm0000gn/T/foo-409159.o
 -L/usr/local/lib -lc++
 /opt/local/libexec/llvm-7.0/lib/clang/7.0.0/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
 -rpath @executable_path -rpath
 /opt/local/libexec/llvm-7.0/lib/clang/7.0.0/lib/darwin -lSystem
 /opt/local/libexec/llvm-7.0/lib/clang/7.0.0/lib/darwin/libclang_rt.osx.a
 @(#)PROGRAM:ld  PROJECT:ld64-409.12
 BUILD 02:04:28 Aug 14 2018
 configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 x86_64h
 armv6m armv7k armv7m armv7em arm64e arm64_32
 Library search paths:
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/usr/lib
 Framework search paths:
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk/System/Library/Frameworks/


 $ ./a.out
 dyld: Library not loaded:
 /opt/local/libexec/llvm-7.0/lib/libclang_rt.asan_osx_dynamic.dylib
   Referenced from: /Users/cunningh/./a.out
   Reason: image not found
 Abort trap: 6
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/57152#comment:2>
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