Merge pull request #80 from hjmjohnson/remove-compression-lib-dependance

ENH: Disable unnecessary compression support in LLVM build configuration

Author: thewtex

CMakeLists.txt

@@ -16,8 +16,9 @@ set(CMAKE_CXX_STANDARD "17")
 
 
 if(APPLE)
+  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.11 CACHE STRING "Set the minimum supported OSX target")
   set(osx_args
-    -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.11
+    -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=${CMAKE_OSX_DEPLOYMENT_TARGET}
     )
 endif()
 
@@ -94,6 +95,10 @@ else()
       -DLLVM_INCLUDE_DOCS:BOOL=OFF
       -DLLVM_ENABLE_OCAMLDOC:BOOL=OFF
       -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN:BOOL=ON
+      # Disable unneeded compression support in llvm
+      -DLLVM_USE_STATIC_ZSTD:BOOL=OFF
+      -DLLVM_ENABLE_ZLIB:BOOL=OFF
+      -DLLVM_ENABLE_ZSTD:BOOL=OFF
       ${osx_args}
     ${verbose_command}
     ${download_extract_timestamp_flag}