Move all cmake files to cpp/cmake_modules, fix up sdist tarball so it can be built/installed

Change-Id: I1d0a8dcaa210d981e9e6b2d5ad28a9e32eb1bc70

python/CMakeLists.txt

@@ -21,7 +21,17 @@
 cmake_minimum_required(VERSION 2.7)
 project(pyarrow)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake_modules")
+# Running from a Python sdist tarball
+set(LOCAL_CMAKE_MODULES "${CMAKE_SOURCE_DIR}/cmake_modules")
+if (EXISTS "${LOCAL_CMAKE_MODULES}")
+  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LOCAL_CMAKE_MODULES})
+endif()
+
+# Running from a git source tree
+set(CPP_CMAKE_MODULES "${CMAKE_SOURCE_DIR}/../cpp/cmake_modules")
+if (EXISTS "${CPP_CMAKE_MODULES}")
+  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CPP_CMAKE_MODULES})
+endif()
 
 include(CMakeParseArguments)
 

python/MANIFEST.in

@@ -2,9 +2,8 @@ include README.md
 include LICENSE.txt
 
 global-include CMakeLists.txt
+graft pyarrow
 graft cmake_modules
-recursive-include src/pyarrow *.cc *.h
-recursive-include pyarrow *.pxd
 
 global-exclude *.so
 global-exclude *.pyc

python/cmake_modules

@@ -0,0 +1 @@
+../cpp/cmake_modules

python/cmake_modules/BuildUtils.cmake

@@ -1 +0,0 @@
-../../cpp/cmake_modules/BuildUtils.cmake

python/cmake_modules/CompilerInfo.cmake

@@ -1 +0,0 @@
-../../cpp/cmake_modules/CompilerInfo.cmake

python/cmake_modules/FindNumPy.cmake

@@ -1 +0,0 @@
-../../cpp/cmake_modules/FindNumPy.cmake

python/cmake_modules/FindPythonLibsNew.cmake

@@ -1 +0,0 @@
-../../cpp/cmake_modules/FindPythonLibsNew.cmake

python/cmake_modules/SetupCxxFlags.cmake

@@ -1 +0,0 @@
-../../cpp/cmake_modules/SetupCxxFlags.cmake