From 2a134bd58fa95c2bee43611b86a3e479a3f989cf Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Wed, 3 Aug 2011 20:17:48 -0700
Subject: cmake: moved unique target macro into python where its used
---
cmake/Modules/GrPython.cmake | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
(limited to 'cmake/Modules/GrPython.cmake')
diff --git a/cmake/Modules/GrPython.cmake b/cmake/Modules/GrPython.cmake
index 8cffd7a010..f54dbc9ba7 100644
--- a/cmake/Modules/GrPython.cmake
+++ b/cmake/Modules/GrPython.cmake
@@ -51,10 +51,6 @@ ENDIF(PYTHON_EXECUTABLE)
#make the path to the executable appear in the cmake gui
SET(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE} CACHE FILEPATH "python interpreter")
-IF(NOT PYTHONINTERP_FOUND)
- MESSAGE(FATAL_ERROR "Error: Python interpretor required by the build system.")
-ENDIF(NOT PYTHONINTERP_FOUND)
-
########################################################################
# Check for the existence of a python module:
# - desc a string description of the check
@@ -94,6 +90,19 @@ print sysconfig.get_python_lib(plat_specific=True, prefix='')
)
FILE(TO_CMAKE_PATH ${GR_PYTHON_DIR} GR_PYTHON_DIR)
+########################################################################
+# Create an always-built target with a unique name
+# Usage: GR_UNIQUE_TARGET(<description> <dependencies list>)
+########################################################################
+FUNCTION(GR_UNIQUE_TARGET desc)
+ FILE(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
+ EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib
+unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5]
+print(re.sub('\\W', '_', '${desc} ${reldir} ' + unique))"
+ OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE)
+ ADD_CUSTOM_TARGET(${_target} ALL DEPENDS ${ARGN})
+ENDFUNCTION(GR_UNIQUE_TARGET)
+
########################################################################
# Install python sources (also builds and installs byte-compiled python)
########################################################################
@@ -163,7 +172,6 @@ FUNCTION(GR_PYTHON_INSTALL)
ENDIF()
- INCLUDE(GrMiscUtils) #unique target
GR_UNIQUE_TARGET("pygen" ${python_install_gen_targets})
ENDFUNCTION(GR_PYTHON_INSTALL)
--
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