Configure jemalloc for cross-compilation to aarch64-apple-darwin

Author: shepmaster

.github/workflows/ci.yml

@@ -315,6 +315,7 @@ jobs:
               NO_LLVM_ASSERTIONS: 1
               NO_DEBUG_ASSERTIONS: 1
               DIST_REQUIRE_ALL_TOOLS: 1
+              JEMALLOC_SYS_WITH_LG_PAGE: 14
             os: macos-latest
           - name: x86_64-msvc-1
             env:

src/ci/github-actions/ci.yml

@@ -482,6 +482,14 @@ jobs:
               NO_LLVM_ASSERTIONS: 1
               NO_DEBUG_ASSERTIONS: 1
               DIST_REQUIRE_ALL_TOOLS: 1
+              # Corresponds to 16K page size
+              #
+              # Shouldn't be needed if jemalloc-sys is updated to
+              # handle this platform like iOS or if we build on
+              # aarch64-apple-darwin itself.
+              #
+              # https://github.com/gnzlbg/jemallocator/blob/c27a859e98e3cb790dc269773d9da71a1e918458/jemalloc-sys/build.rs#L237
+              JEMALLOC_SYS_WITH_LG_PAGE: 14
             <<: *job-macos-xl
 
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