allow to override cmake's Python search order, to enforce the version

selected by pkgsrc
this automatically affects pkgs which use FIND_PACKAGE(PythonInterp)
or FIND_PACKAGE(PythonLibs)

devel/cmake/Makefile

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.47 2010/01/17 12:02:12 wiz Exp $
+# $NetBSD: Makefile,v 1.48 2010/02/12 13:45:54 drochner Exp $
 
 DISTNAME=	cmake-${CMAKE_API}.0
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	devel
 MASTER_SITES=	http://www.cmake.org/files/v2.8/
 
@@ -39,6 +39,9 @@ SUBST_MESSAGE.cmake=	Fixing X11 prefix.
 SUBST_FILES.cmake+=	Modules/Platform/UnixPaths.cmake
 SUBST_VARS.cmake=	X11BASE
 
+post-patch:
+	${RM} ${WRKSRC}/Modules/*.orig
+
 .include "../../devel/ncurses/buildlink3.mk"
 .include "../../devel/zlib/buildlink3.mk"
 .include "../../textproc/xmlrpc-c/buildlink3.mk"

devel/cmake/distinfo

@@ -1,6 +1,8 @@
-$NetBSD: distinfo,v 1.21 2009/11/25 19:08:18 adam Exp $
+$NetBSD: distinfo,v 1.22 2010/02/12 13:45:54 drochner Exp $
 
 SHA1 (cmake-2.8.0.tar.gz) = c35cb0d787c53aee768b154f05b68d3a20eccb3d
 RMD160 (cmake-2.8.0.tar.gz) = 27e80a14b4970d85b12aaf18fbe738c02dc0620f
 Size (cmake-2.8.0.tar.gz) = 3553247 bytes
 SHA1 (patch-aa) = b093f4992a7fea099d7c26a90b150ac0d057067a
+SHA1 (patch-ab) = f7372942f7e28b01c26794ce1a94914b68d1b24e
+SHA1 (patch-ac) = e5127b9e28375528e977898c59cb6b5044d76ebe

devel/cmake/patches/patch-ab

@@ -0,0 +1,21 @@
+$NetBSD: patch-ab,v 1.8 2010/02/12 13:45:54 drochner Exp $
+
+--- Modules/FindPythonInterp.cmake.orig	2009-11-13 18:32:52.000000000 +0000
++++ Modules/FindPythonInterp.cmake
+@@ -19,8 +19,15 @@
+ # (To distributed this file outside of CMake, substitute the full
+ #  License text for the above reference.)
+ 
++# for pkgsrc: force Python version (set in pyversion.mk)
++IF(DEFINED PYVERSSUFFIX)
++  SET(_VERSIONS python${PYVERSSUFFIX})
++ELSE(DEFINED PYVERSSUFFIX)
++  SET(_VERSIONS python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python2.0 python1.6 python1.5 python)
++ENDIF(DEFINED PYVERSSUFFIX)
++
+ FIND_PROGRAM(PYTHON_EXECUTABLE
+-  NAMES python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python2.0 python1.6 python1.5 python
++  NAMES ${_VERSIONS}
+   PATHS
+   [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.6\\InstallPath]
+   [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\2.5\\InstallPath]

devel/cmake/patches/patch-ac

@@ -0,0 +1,20 @@
+$NetBSD: patch-ac,v 1.4 2010/02/12 13:45:54 drochner Exp $
+
+--- Modules/FindPythonLibs.cmake.orig	2009-11-13 18:32:52.000000000 +0000
++++ Modules/FindPythonLibs.cmake
+@@ -27,7 +27,14 @@ INCLUDE(CMakeFindFrameworks)
+ # Search for the python framework on Apple.
+ CMAKE_FIND_FRAMEWORKS(Python)
+ 
+-FOREACH(_CURRENT_VERSION 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5)
++# for pkgsrc: force Python version (set in pyversion.mk)
++IF(DEFINED PYVERSSUFFIX)
++  SET(_VERSIONS ${PYVERSSUFFIX})
++ELSE(DEFINED PYVERSSUFFIX)
++  SET(_VERSIONS 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5)
++ENDIF(DEFINED PYVERSSUFFIX)
++
++FOREACH(_CURRENT_VERSION ${_VERSIONS})
+   STRING(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
+   IF(WIN32)
+     FIND_LIBRARY(PYTHON_DEBUG_LIBRARY

lang/python/pyversion.mk

@@ -1,4 +1,4 @@
-# $NetBSD: pyversion.mk,v 1.79 2010/02/10 19:16:48 joerg Exp $
+# $NetBSD: pyversion.mk,v 1.80 2010/02/12 13:45:54 drochner Exp $
 
 # This file determines which Python version is used as a dependency for
 # a package.
@@ -175,5 +175,9 @@ PRINT_PLIST_AWK+=	/^${PYLIB:S|/|\\/|g}/ \
 .endif
 
 ALL_ENV+=	PYTHON=${PYTHONBIN}
+.if defined(USE_CMAKE)
+# used by FindPythonInterp.cmake and FindPythonLibs.cmake
+CMAKE_ARGS+=	-DPYVERSSUFFIX:STRING=${PYVERSSUFFIX}
+.endif
 
 .endif	# PYTHON_PYVERSION_MK