[MacPorts] #63469: gcc @7.5.0_2: Fails to link projects compiled with -fstack-protector-strong

[MacPorts]

#63469: gcc @7.5.0_2: Fails to link projects compiled with -fstack-protector-strong
--------------------------+--------------------
  Reporter:  evanmiller   |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.7.1
Resolution:               |   Keywords:
      Port:  gcc7 cmocka  |
--------------------------+--------------------

Comment (by evanmiller):

 Following your instructions, before the undefined symbol error I see

 {{{
 /opt/local/bin/gcc-mp-7 -pipe -Os -DNDEBUG -I/opt/local/include -arch ppc
 -mmacosx-version-min=10.4 -dynamiclib -Wl,-v
 -Wl,-headerpad_max_install_names -L/opt/local/lib
 -Wl,-headerpad_max_install_names -current_version 0.7.0 -o
 libcmocka.0.7.0.dylib -install_name /opt/local/lib/libcmocka.0.dylib
 CMakeFiles/cmocka.dir/cmocka.c.o
 collect2 version 7.5.0
 /opt/local/bin/ld -dynamic -dylib -dylib_current_version 0.7.0 -arch ppc
 -dylib_install_name /opt/local/lib/libcmocka.0.dylib -macosx_version_min
 10.4 -weak_reference_mismatches non-weak -o libcmocka.0.7.0.dylib
 -ldylib1.o -L/opt/local/lib -L/opt/local/lib/gcc7/gcc/ppc-apple-
 darwin8/7.5.0 -L/opt/local/lib/gcc7/gcc/ppc-apple-darwin8/7.5.0/../../..
 -v -headerpad_max_install_names -headerpad_max_install_names
 CMakeFiles/cmocka.dir/cmocka.c.o -lgcc_s.10.4 -lgcc_ext.10.4 -lgcc
 -lSystemStubs -lSystem -lef_ppc
 @(#)PROGRAM:ld  PROJECT:ld64-97.17
 configured to support archs: i386 x86_64 ppc ppc64 armv6 armv7
 Library search paths:
     /opt/local/lib
     /opt/local/lib/gcc7/gcc/ppc-apple-darwin8/7.5.0
     /opt/local/lib/gcc7
     /usr/lib
     /usr/local/lib
 Framework search paths:
     /Library/Frameworks/
     /System/Library/Frameworks/
 }}}

 So it looks like the search paths are correct but {{{-lssp}}} is not being
 passed in for whatever reason.

-- 
Ticket URL: <https://trac.macports.org/ticket/63469#comment:18>
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