[MacPorts] #62025: qemu fails to configure

[MacPorts]

#62025: qemu fails to configure
------------------------+--------------------
 Reporter:  mouse07410  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:
------------------------+--------------------
 MacOS 10.15.7, Xcode-12.3.

 {{{
 # QEMU configure log Sun Jan 10 14:38:39 EST 2021
 # Configured with:
 '/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_emulators_qemu/qemu/work/qemu-5.2.0/configure'
 '--prefix=/opt/local' '--cpu=x86_64' '--cc=/usr/bin/clang' '--
 objcc=/usr/bin/clang' '--host-cc=/usr/bin/clang' '--
 python=/opt/local/bin/python3.8' '--meson=internal' '--
 iasl=/usr/bin/false' '--enable-cocoa' '--disable-curses' '--disable-
 capstone' '--disable-sdl' '--disable-gtk' '--disable-opengl' '--enable-
 bzip2' '--disable-curl' '--disable-attr' '--disable-vde' '--disable-
 brlapi' '--disable-cap-ng' '--disable-spice' '--disable-libiscsi'
 '--disable-rbd' '--disable-smartcard' '--enable-libusb' '--disable-usb-
 redir' '--disable-seccomp' '--disable-linux-aio' '--disable-glusterfs'
 '--disable-rdma' '--disable-libssh' '--enable-vnc' '--disable-gnutls'
 '--disable-gcrypt' '--disable-nettle' '--disable-numa' '--disable-xen'
 '--disable-snappy' '--enable-lzo' '--disable-lzfse' '--enable-zstd'
 '--enable-gnutls' '--enable-vnc-sasl' '--enable-vnc-jpeg' '--enable-vnc-
 png' '--target-list=,x86_64-softmmu,arm-softmmu,aarch64-softmmu' '--extra-
 ldflags=-L/opt/local/lib -Wl,-headerpad_max_install_names'
 #

 funcs: do_compiler do_cc compile_object check_define main
 lines: 141 173 555 581 0
 /usr/bin/clang -pipe -Os
 -isysroot/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -arch x86_64
 -std=gnu99 -Wall -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
 -Wstrict-prototypes -Wredundant-decls -Wundef -Wwrite-strings -Wmissing-
 prototypes -fno-strict-aliasing -fno-common -fwrapv -c -o config-temp
 /qemu-conf.o config-temp/qemu-conf.c
 config-temp/qemu-conf.c:2:2: error: __linux__ not defined
 #error __linux__ not defined
  ^
 1 error generated.

 funcs: do_compiler do_cc compile_object check_define main
 .  .  .  .  .
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/62025>
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