bump llvm_version

Author: h-vetinari

recipe/conda_build_config.yaml

@@ -6,10 +6,6 @@ libarrow_all:
 
 # on osx, keep this in sync with llvm_version in meta.yaml.
 c_compiler_version:            # [osx]
-  - 18                         # [osx]
+  - 19                         # [osx]
 cxx_compiler_version:          # [osx]
-  - 18                         # [osx]
-c_compiler:            # [win]
-  - vs2022             # [win]
-cxx_compiler:          # [win]
-  - vs2022             # [win]
+  - 19                         # [osx]

recipe/meta.yaml

@@ -3,7 +3,7 @@
 {% set build_ext_version = "5.0.0" %}
 {% set build_ext = "cuda" if cuda_enabled else "cpu" %}
 {% set proc_build_number = "0" %}
-{% set llvm_version = "18" %}
+{% set llvm_version = "19" %}
 
 # see https://github.com/apache/arrow/blob/apache-arrow-10.0.1/cpp/CMakeLists.txt#L88-L90
 {% set so_version = (version.split(".")[0] | int * 100 + version.split(".")[1] | int) ~ "." ~ version.split(".")[2] ~ ".0" %}