cirrus.yml: Split FreeBSD job into two parts

The FreeBSD jobs currently hit the 1h time limit in the Cirrus-CI.
We have to split the build targets here to make sure that the job
finishes in time again. According to the Cirrus-CI docs and some
tests that I did, it also seems like the total amount of CPUs that
can be used for FreeBSD jobs is limited to 8, so each job now only
gets 4 CPUs. That increases the compilation time of each job a little
bit, but it still seems to be better to run two jobs with 4 CPUs each
in parallel than to run two jobs with 8 CPUs sequentially.

Message-Id: <20200831154405.229706-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

.cirrus.yml

@@ -1,20 +1,40 @@
 env:
   CIRRUS_CLONE_DEPTH: 1
 
-freebsd_12_task:
+freebsd_1st_task:
   freebsd_instance:
     image_family: freebsd-12-1
-    cpu: 8
-    memory: 8G
+    cpu: 4
+    memory: 4G
   install_script: ASSUME_ALWAYS_YES=yes pkg bootstrap -f ; pkg install -y
     bash curl cyrus-sasl git glib gmake gnutls gsed
     nettle perl5 pixman pkgconf png usbredir
   script:
     - mkdir build
     - cd build
-    - ../configure --enable-werror || { cat config.log; exit 1; }
-    - gmake -j8
-    - gmake V=1 check
+    - ../configure --disable-user --target-list-exclude='alpha-softmmu
+        ppc64-softmmu ppc-softmmu riscv32-softmmu riscv64-softmmu s390x-softmmu
+        sparc64-softmmu sparc-softmmu x86_64-softmmu i386-softmmu'
+        --enable-werror || { cat config.log; exit 1; }
+    - gmake -j$(sysctl -n hw.ncpu)
+    - gmake -j$(sysctl -n hw.ncpu) check
+
+freebsd_2nd_task:
+  freebsd_instance:
+    image_family: freebsd-12-1
+    cpu: 4
+    memory: 4G
+  install_script: ASSUME_ALWAYS_YES=yes pkg bootstrap -f ; pkg install -y
+    bash curl cyrus-sasl git glib gmake gnutls gtk3 gsed libepoxy mesa-libs
+    nettle perl5 pixman pkgconf png SDL2 usbredir
+  script:
+    - ./configure --enable-werror --target-list='alpha-softmmu ppc64-softmmu
+        ppc-softmmu riscv32-softmmu riscv64-softmmu s390x-softmmu
+        sparc64-softmmu sparc-softmmu x86_64-softmmu i386-softmmu
+        sparc-bsd-user sparc64-bsd-user x86_64-bsd-user i386-bsd-user'
+        || { cat config.log; exit 1; }
+    - gmake -j$(sysctl -n hw.ncpu)
+    - gmake -j$(sysctl -n hw.ncpu) check
 
 macos_task:
   osx_instance: