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path: root/devel/pam_wrapper/files/python-detection.patch
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From 6d25aa0f94a8fb7f263b88eb3b0c0d15c1d88ed6 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Tue, 3 Jul 2018 11:33:04 +0200
Subject: cmake: Fix python2 and python3 detection

Signed-off-by: Andreas Schneider <asn@samba.org>
---
 src/python/python2/CMakeLists.txt | 40 ++++++++++++++++++++++++---------------
 src/python/python3/CMakeLists.txt | 40 ++++++++++++++++++++++++---------------
 2 files changed, 50 insertions(+), 30 deletions(-)

diff --git a/src/python/python2/CMakeLists.txt b/src/python/python2/CMakeLists.txt
index faceec3..02b4063 100644
--- a/src/python/python2/CMakeLists.txt
+++ b/src/python/python2/CMakeLists.txt
@@ -1,23 +1,33 @@
 project(python2-pamtest C)
 
-unset(PYTHON_EXECUTABLE CACHE)
-unset(PYTHON_INCLUDE_DIR CACHE)
-unset(PYTHON_LIBRARY CACHE)
-unset(PYTHON_SITELIB CACHE)
-unset(PYTHONLIBS_FOUND CACHE)
-unset(PYTHONLIBS_VERSION_STRING CACHE)
+if (NOT PYTHON2_LIBRARY)
+    unset(PYTHON_EXECUTABLE CACHE)
+    unset(PYTHON_INCLUDE_DIR CACHE)
+    unset(PYTHON_LIBRARY CACHE)
+    unset(PYTHON_SITELIB CACHE)
+    unset(PYTHONLIBS_FOUND CACHE)
+    unset(PYTHONLIBS_VERSION_STRING CACHE)
 
-set(Python_ADDITIONAL_VERSIONS 2.7 2.6)
-find_package(PythonLibs)
-find_package(PythonInterp)
-find_package(PythonSiteLibs)
+    find_package(PythonLibs 2)
+    find_package(PythonInterp 2)
+    find_package(PythonSiteLibs 2)
 
-if (PYTHONLIBS_FOUND)
-    set(PYTHON2_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "PYTHON2_EXECUTABLE")
-    set(PYTHON2_INCLUDE_DIR ${PYTHON_INCLUDE_DIR})
-    set(PYTHON2_LIBRARY ${PYTHON_LIBRARY})
-    set(PYTHON2_SITELIB ${PYTHON_SITELIB})
+    if (PYTHONLIBS_FOUND)
+        set(PYTHON2_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "PYTHON2_EXECUTABLE")
+        set(PYTHON2_INCLUDE_DIR ${PYTHON_INCLUDE_DIR})
+        set(PYTHON2_LIBRARY ${PYTHON_LIBRARY})
+        set(PYTHON2_SITELIB ${PYTHON_SITELIB})
+    endif()
 
+    unset(PYTHON_EXECUTABLE CACHE)
+    unset(PYTHON_INCLUDE_DIR CACHE)
+    unset(PYTHON_LIBRARY CACHE)
+    unset(PYTHON_SITELIB CACHE)
+    unset(PYTHONLIBS_FOUND CACHE)
+    unset(PYTHONLIBS_VERSION_STRING CACHE)
+endif()
+
+if (PYTHON2_INCLUDE_DIR AND PYTHON2_LIBRARY AND PYTHON2_SITELIB)
     include_directories(${CMAKE_BINARY_DIR})
     include_directories(${pam_wrapper-headers_DIR})
     include_directories(${PYTHON2_INCLUDE_DIR})
diff --git a/src/python/python3/CMakeLists.txt b/src/python/python3/CMakeLists.txt
index 1e1599b..1a61303 100644
--- a/src/python/python3/CMakeLists.txt
+++ b/src/python/python3/CMakeLists.txt
@@ -1,23 +1,33 @@
 project(python3-pamtest C)
 
-unset(PYTHON_EXECUTABLE CACHE)
-unset(PYTHON_INCLUDE_DIR CACHE)
-unset(PYTHON_LIBRARY CACHE)
-unset(PYTHON_SITELIB CACHE)
-unset(PYTHONLIBS_FOUND CACHE)
-unset(PYTHONLIBS_VERSION_STRING CACHE)
+if (NOT PYTHON3_LIBRARY)
+    unset(PYTHON_EXECUTABLE CACHE)
+    unset(PYTHON_INCLUDE_DIR CACHE)
+    unset(PYTHON_LIBRARY CACHE)
+    unset(PYTHON_SITELIB CACHE)
+    unset(PYTHONLIBS_FOUND CACHE)
+    unset(PYTHONLIBS_VERSION_STRING CACHE)
 
-set(Python_ADDITIONAL_VERSIONS 3.8 3.7 3.6)
-find_package(PythonLibs)
-find_package(PythonInterp)
-find_package(PythonSiteLibs)
+    find_package(PythonLibs 3)
+    find_package(PythonInterp 3)
+    find_package(PythonSiteLibs 3)
 
-if (PYTHONLIBS_FOUND)
-    set(PYTHON3_LIBRARY ${PYTHON_LIBRARY})
-    set(PYTHON3_INCLUDE_DIR ${PYTHON_INCLUDE_DIR})
-    set(PYTHON3_SITELIB ${PYTHON_SITELIB})
-    set(PYTHON3_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "PYTHON3_EXECUTABLE")
+    if (PYTHONLIBS_FOUND)
+        set(PYTHON3_LIBRARY ${PYTHON_LIBRARY})
+        set(PYTHON3_INCLUDE_DIR ${PYTHON_INCLUDE_DIR})
+        set(PYTHON3_SITELIB ${PYTHON_SITELIB})
+        set(PYTHON3_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "PYTHON3_EXECUTABLE")
+    endif()
 
+    unset(PYTHON_EXECUTABLE CACHE)
+    unset(PYTHON_INCLUDE_DIR CACHE)
+    unset(PYTHON_LIBRARY CACHE)
+    unset(PYTHON_SITELIB CACHE)
+    unset(PYTHONLIBS_FOUND CACHE)
+    unset(PYTHONLIBS_VERSION_STRING CACHE)
+endif()
+
+if (PYTHON3_INCLUDE_DIR AND PYTHON3_LIBRARY AND PYTHON3_SITELIB)
     include_directories(${CMAKE_BINARY_DIR})
     include_directories(${pam_wrapper-headers_DIR})
     include_directories(${PYTHON3_INCLUDE_DIR})
-- 
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