[MacPorts] #63038: clang12: please re-enable the +analyzer as a default variant

[MacPorts]

#63038: clang12: please re-enable the +analyzer as a default variant
-------------------------+----------------------
  Reporter:  mouse07410  |      Owner:  kencu
      Type:  request     |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  clang-12    |
-------------------------+----------------------

Comment (by mouse07410):

 Well, trying {{{ build-scan make}}} for Crypto++ failed (in a way I don't
 quite understand):
 {{{
 $ cat ~/src/cryptopp/scan-report.txt
 /opt/local/libexec/llvm-12/bin/scan-view:9: DeprecationWarning: the imp
 module is deprecated in favour of importlib; see the module's
 documentation for alternative uses
   import imp
 Traceback (most recent call last):
   File "/opt/local/libexec/llvm-12/bin/scan-view", line 150, in <module>
     main()
   File "/opt/local/libexec/llvm-12/bin/scan-view", line 147, in main
     run(port, args, args.root)
   File "/opt/local/libexec/llvm-12/bin/scan-view", line 74, in run
     import ScanView
   File "/opt/local/libexec/llvm-12/bin/../share/scan-view/ScanView.py",
 line 29, in <module>
     import Reporter
 ModuleNotFoundError: No module named 'Reporter'
 WARNING: Unable to detect that server started.
 $
 }}}

 Here's how that report was generated:
 {{{
 $ sudo port select --list clang
 Enter PIN for 'Certificate For PIV Authentication (Blumenthal, Uri
 (UR20980))':
 Available versions for clang:
         apple-clang (active)
         mp-clang-10
         mp-clang-11
         mp-clang-9.0
         none
 $ scan-build-mp-12 make
 scan-build: Using '/opt/local/libexec/llvm-12/bin/clang' for static
 analysis
 Using testing flags: -std=gnu++17 -O3 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 Running make again to see what failed
 TestPrograms/test_x86_sse2.cpp:5:5: warning: Value stored to 'x' is never
 read [deadcode.DeadStores]
     x=_mm_add_epi64(x,x);
     ^ ~~~~~~~~~~~~~~~~~~
 1 warning generated.

 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c cryptlib.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c cpu.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c integer.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c 3way.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c adler32.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c algebra.cpp
 /opt/local/libexec/llvm-12/bin/../libexec/c++-analyzer
 -DCRYPTOPP_DISABLE_ASM -fPIC -fno-common -pipe -std=gnu++17 -O3
 -march=native -isysroot
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
 -c algparam.cpp
 In file included from algparam.cpp:3:
 In file included from ./pch.h:14:
 In file included from ./config.h:22:
 In file included from ./config_align.h:27:
 In file included from ./config_cxx.h:37:
 In file included from
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/string:506:
 In file included from
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/string_view:175:
 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1/__string:58:10:
 fatal error: 'cstdio' file not found
 #include <cstdio>     // For EOF.
          ^~~~~~~~
 1 error generated.
 make: *** [GNUmakefile:1790: algparam.o] Error 1
 scan-build: Analysis run complete.
 scan-build: 2 bugs found.
 scan-build: Run 'scan-view
 /var/folders/c6/lnc_0m093ys8w16md_fm1mnxhtfnj8/T/scan-
 build-2021-06-13-211957-91810-1' to examine bug reports.
 $ scan-view-mp-12 /var/folders/c6/lnc_0m093ys8w16md_fm1mnxhtfnj8/T/scan-
 build-2021-06-13-211957-91810-1 > scan-report.txt 2>&1
 }}}

 As far as I can tell, Xcode-12.5 does **not** include {{{build-scan}}} or
 {{{scan-view}}}.

-- 
Ticket URL: <https://trac.macports.org/ticket/63038#comment:27>
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