[MacPorts] #59253: libgcc9/gcc9: build fails with clang-9.0 during build of gencondmd: Undefined symbols for architecture x86_64: "ix86_binary_operator_ok(rtx_code, machine_mode, rtx_def**)"

[MacPorts]

#59253: libgcc9/gcc9: build fails with clang-9.0 during build of gencondmd:
Undefined symbols for architecture x86_64:
"ix86_binary_operator_ok(rtx_code, machine_mode, rtx_def**)"
---------------------------+--------------------
  Reporter:  kencu         |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  libgcc9 gcc9  |
---------------------------+--------------------

Comment (by kencu):

 {{{
 /opt/local/bin/clang++-mp-9.0 -arch x86_64 -std=gnu++98   -g  -DIN_GCC
 -fno-strict-aliasing -fno-exceptions -fno-rtti -fasynchronous-unwind-
 tables -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
 -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long
 -Wno-variadic-macros -Wno-overlength-strings -fno-common  -DHAVE_CONFIG_H
 -DGENERATOR_FILE -fno-PIE -Wl,-no_pie -L/opt/local/lib
 -Wl,-headerpad_max_install_names
 -Wl,-syslibroot,/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk
 -no-pie -o build/gencondmd \
             build/gencondmd.o ../build-x86_64-apple-
 darwin18/libiberty/libiberty.a
 clang: warning: argument unused during compilation: '-no-pie' [-Wunused-
 command-line-argument]
 Undefined symbols for architecture x86_64:
   "ix86_binary_operator_ok(rtx_code, machine_mode, rtx_def**)", referenced
 from:
       ___cxx_global_var_init.95 in gencondmd.o
 ... and more
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59253#comment:1>
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