BLD: fix arrow build

tacaswell · tacaswell · commit dcbe6892f640 · 2026-03-19T11:08:33.000-04:00
diff --git a/build_py_env.xsh b/build_py_env.xsh
@@ -303,21 +303,7 @@ def pandas_build(**kwargs):
     return ret
 
 def build_pyarrow(**kwargs):
-    patch = """diff --git a/cpp/cmake_modules/Findlz4Alt.cmake b/cpp/cmake_modules/Findlz4Alt.cmake
-index 77a22957f..ce35d81eb 100644
---- a/cpp/cmake_modules/Findlz4Alt.cmake
-+++ b/cpp/cmake_modules/Findlz4Alt.cmake
-@@ -33,6 +33,9 @@ if(lz4_FOUND)
-   if(NOT TARGET LZ4::lz4 AND TARGET lz4::lz4)
-     add_library(LZ4::lz4 ALIAS lz4::lz4)
-   endif()
-+  if(NOT TARGET LZ4::lz4 AND TARGET LZ4::lz4_shared)
-+    add_library(LZ4::lz4 ALIAS LZ4::lz4_shared)
-+  endif()
-   return()
- endif()
 
-"""
     auto_main(**kwargs)
     git stash
     git clean -xfd
@@ -326,23 +312,22 @@ index 77a22957f..ce35d81eb 100644
     $PARQUET_TEST_DATA=$PWD+"/cpp/submodules/parquet-testing/data"
     $PARQUET_TEST_DATA
     $ARROW_TEST_DATA=$PWD+"/testing/data"
-    cd ../
-    mkdir dist
-    $ARROW_HOME=$PWD +'/dist'
-    $PREFIX = $(python -c "import sysconfig;print(sysconfig.get_path('data'))") + '/lib'
-    $LD_LIBRARY_PATH= [$PWD+"/dist/lib"]
-    $CMAKE_PREFIX_PATH=[$ARROW_HOME]
-    # patch from Arch packages
-    # patch < lz4-cmake.patch  -p 1
-    cmake -S arrow/cpp -B arrow/cpp/build \
+    $PREFIX = $(python -c "import sysconfig;print(sysconfig.get_path('data'))")
+    mkdir cpp/build
+    # $CMAKE_PREFIX_PATH=[$ARROW_HOME]
+    cmake -S cpp -B cpp/build \
                -DCMAKE_INSTALL_PREFIX=$PREFIX \
                --preset ninja-release-python
-    cmake --build arrow/cpp/build --target install -j
-    pushd arrow/python
+    cmake --build cpp/build --target install -j
+    pushd python
     git clean -xfd
     $PYARROW_WITH_PARQUET=1
     $PYARROW_WITH_DATASET=1
     $PYARROW_PARALLEL=25
+    $LD_LIBRARY_PATH= [$PREFIX + '/lib']
+    $CPATH=[$PREFIX + '/include']
+    print(${'LD_LIBRARY_PATH'})
+    print(${'CPATH'})
     return !(pip install -v . --no-build-isolation)
 
 def build_yarl(name, **kwargs):
