Fix octopus binary "invalid instruction" (-march too new) (#11822)

* This attempts to make the binary more portable by only requiring Sandybridge.

* Fix march set to native

recipes/octopus/fix_march_set_to_native.patch

@@ -0,0 +1,12 @@
+diff -rNu octopus-0.5.2-beta.orig/src/CMakeLists.txt octopus-0.5.2-beta/src/CMakeLists.txt
+--- octopus-0.5.2-beta.orig/src/CMakeLists.txt	2018-10-29 08:36:32.000000000 -0600
++++ octopus-0.5.2-beta/src/CMakeLists.txt	2018-11-13 15:54:06.000000000 -0700
+@@ -639,7 +639,7 @@
+ else()
+     add_executable(octopus main.cpp ${OCTOPUS_SOURCES} ${INCLUDE_SOURCES})
+     target_compile_features(octopus PRIVATE cxx_thread_local)
+-    target_compile_options(octopus PRIVATE -ffast-math -funroll-loops -march=native)
++    target_compile_options(octopus PRIVATE -ffast-math -funroll-loops)
+     target_include_directories(octopus PUBLIC ${octopus_SOURCE_DIR}/lib ${octopus_SOURCE_DIR}/src)
+     target_link_libraries(octopus tandem ranger)
+     if (NOT BUILD_SHARED_LIBS)

recipes/octopus/meta.yaml

@@ -7,14 +7,16 @@ package:
   version: {{ version }}
 
 build:
-  number: 0
+  number: 1
   # Not building on osx CircleCI and unsure how to fix; does not pick
   # up 7.2 compilers
   skip: true # [osx]
 
 source:
   url: https://github.com/luntergroup/{{ name }}/archive/v0.5.2-beta.tar.gz
   sha256: {{ sha256 }}
+  patches:
+    - fix_march_set_to_native.patch
 
 requirements:
   build: