From e698299e4f2aade0f526dbeb5ea9f7a3a5117527 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Tue, 19 May 2015 15:56:28 +1000
Subject: CMake: install Python executable when its bundled

---
 build_files/cmake/Modules/FindPythonLibsUnix.cmake | 35 +++++++++++++++-------
 1 file changed, 25 insertions(+), 10 deletions(-)

(limited to 'build_files')

diff --git a/build_files/cmake/Modules/FindPythonLibsUnix.cmake b/build_files/cmake/Modules/FindPythonLibsUnix.cmake
index 555ca4cf0a0..e4236fb4c24 100644
--- a/build_files/cmake/Modules/FindPythonLibsUnix.cmake
+++ b/build_files/cmake/Modules/FindPythonLibsUnix.cmake
@@ -66,6 +66,14 @@ IF(DEFINED PYTHON_LIBPATH)
   SET(_IS_LIB_PATH_DEF ON)
 ENDIF()
 
+STRING(REPLACE "." "" _PYTHON_VERSION_NO_DOTS ${PYTHON_VERSION})
+
+SET(_python_SEARCH_DIRS
+  ${PYTHON_ROOT_DIR}
+  "$ENV{HOME}/py${_PYTHON_VERSION_NO_DOTS}"
+  "/opt/py${_PYTHON_VERSION_NO_DOTS}"
+  "/opt/lib/python-${PYTHON_VERSION}"
+)
 
 # only search for the dirs if we havn't already
 IF((NOT _IS_INC_DEF) OR (NOT _IS_INC_CONF_DEF) OR (NOT _IS_LIB_DEF) OR (NOT _IS_LIB_PATH_DEF))
@@ -75,14 +83,7 @@ IF((NOT _IS_INC_DEF) OR (NOT _IS_INC_CONF_DEF) OR (NOT _IS_LIB_DEF) OR (NOT _IS_
     "dm;dmu;du;d" # debug
   )
 
-  STRING(REPLACE "." "" _PYTHON_VERSION_NO_DOTS ${PYTHON_VERSION})
 
-  SET(_python_SEARCH_DIRS
-    ${PYTHON_ROOT_DIR}
-    "$ENV{HOME}/py${_PYTHON_VERSION_NO_DOTS}"
-    "/opt/py${_PYTHON_VERSION_NO_DOTS}"
-    "/opt/lib/python-${PYTHON_VERSION}"
-  )
 
   FOREACH(_CURRENT_ABI_FLAGS ${_python_ABI_FLAGS})
     #IF(CMAKE_BUILD_TYPE STREQUAL Debug)
@@ -147,6 +148,7 @@ IF((NOT _IS_INC_DEF) OR (NOT _IS_INC_CONF_DEF) OR (NOT _IS_LIB_DEF) OR (NOT _IS_
     ENDIF()
 
     IF(PYTHON_LIBRARY AND PYTHON_LIBPATH AND PYTHON_INCLUDE_DIR AND PYTHON_INCLUDE_CONFIG_DIR)
+      SET(_PYTHON_ABI_FLAGS "${_CURRENT_ABI_FLAGS}")
       break()
     ELSE()
       # ensure we dont find values from 2 different ABI versions
@@ -169,7 +171,6 @@ IF((NOT _IS_INC_DEF) OR (NOT _IS_INC_CONF_DEF) OR (NOT _IS_LIB_DEF) OR (NOT _IS_
   UNSET(_CURRENT_PATH)
 
   UNSET(_python_ABI_FLAGS)
-  UNSET(_python_SEARCH_DIRS)
 ENDIF()
 
 UNSET(_IS_INC_DEF)
@@ -201,14 +202,28 @@ IF(PYTHONLIBSUNIX_FOUND)
   # XXX No more valid with debian-like py3.4 packages...
 #  GET_FILENAME_COMPONENT(PYTHON_LIBPATH ${PYTHON_LIBRARY} PATH)
 
-  # not used
-  # SET(PYTHON_BINARY ${PYTHON_EXECUTABLE} CACHE STRING "")
+  # not required for build, just used when bundling Python.
+  FIND_PROGRAM(
+    PYTHON_EXECUTABLE
+    NAMES
+      "python${PYTHON_VERSION}${_PYTHON_ABI_FLAGS}"
+      "python${PYTHON_VERSION}"
+      "python"
+    HINTS
+      ${_python_SEARCH_DIRS}
+    PATH_SUFFIXES bin
+  )
 ENDIF()
 
+UNSET(_PYTHON_VERSION_NO_DOTS)
+UNSET(_PYTHON_ABI_FLAGS)
+UNSET(_python_SEARCH_DIRS)
+
 MARK_AS_ADVANCED(
   PYTHON_INCLUDE_DIR
   PYTHON_INCLUDE_CONFIG_DIR
   PYTHON_LIBRARY
   PYTHON_LIBPATH
   PYTHON_SITE_PACKAGES
+  PYTHON_EXECUTABLE
 )
-- 
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