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From: Brooks Davis <brooks@FreeBSD.org>
Date: Sun, 6 May 2018 16:00:01 +0000 (UTC)
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Subject: svn commit: r469235 - head/devel/llvm60/files
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Author: brooks
Date: Sun May  6 16:00:01 2018
New Revision: 469235
URL: https://svnweb.freebsd.org/changeset/ports/469235

Log:
  Work around a race in sphinx.
  
  Create the target directory before calling sphinx to render
  content into it.  Sphinx suffers from a race where it crashes with an
  exception if it tries to make a directory and someone else does first.
  
  PR:		227460
  Reported by:	ohartmann@walstatt.org
  MFH:		2018Q2

Added:
  head/devel/llvm60/files/patch-cmake_modules_AddSphinxTarget.cmake   (contents, props changed)

Added: head/devel/llvm60/files/patch-cmake_modules_AddSphinxTarget.cmake
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/devel/llvm60/files/patch-cmake_modules_AddSphinxTarget.cmake	Sun May  6 16:00:01 2018	(r469235)
@@ -0,0 +1,11 @@
+--- cmake/modules/AddSphinxTarget.cmake.orig
++++ cmake/modules/AddSphinxTarget.cmake
+@@ -29,6 +29,8 @@
+   endif()
+ 
+   add_custom_target(${SPHINX_TARGET_NAME}
++		    COMMAND ${CMAKE_COMMAND}
++                            -E make_directory ${SPHINX_BUILD_DIR}
+                     COMMAND ${SPHINX_EXECUTABLE}
+                             -b ${builder}
+                             -d "${SPHINX_DOC_TREE_DIR}"