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@@ -28,10 +28,6 @@
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include(CMakeParseArguments)
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-if(NOT DEFINED EP_LIST_SEPARATOR)
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- set(EP_LIST_SEPARATOR "^^")
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-endif()
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-
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#.rst:
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# Global Variables
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# ^^^^^^^^^^^^^^^^
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@@ -67,6 +63,50 @@ endif()
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#
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# This variable can be set to explicitly identify the name of the top-level project.
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# If not set, it default to the value of ``CMAKE_PROJECT_NAME``.
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+if(NOT DEFINED SUPERBUILD_TOPLEVEL_PROJECT)
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+ if(NOT DEFINED CMAKE_PROJECT_NAME)
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+ message(FATAL_ERROR "Failed to initialize variable SUPERBUILD_TOPLEVEL_PROJECT. Variable CMAKE_PROJECT_NAME is not defined.")
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+ endif()
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+ set(SUPERBUILD_TOPLEVEL_PROJECT ${CMAKE_PROJECT_NAME})
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+endif()
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+
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+#.rst:
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+# .. cmake:variable:: EP_LIST_SEPARATOR
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+#
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+# This variable is used to separate list items when passed in various external project
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+# ``..._COMMAND`` options.
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+#
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+# If defaults to ``^^``.
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+if(NOT DEFINED EP_LIST_SEPARATOR)
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+ set(EP_LIST_SEPARATOR "^^")
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+endif()
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+
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+
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+#.rst:
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+# .. cmake:variable:: EP_GIT_PROTOCOL
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+#
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+# The value of this variable is controled by the option ``<SUPERBUILD_TOPLEVEL_PROJECT>_USE_GIT_PROTOCOL``
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+# automatically defined by including this CMake module. Setting this option allows to update the value of
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+# ``EP_GIT_PROTOCOL`` variable.
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+#
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+# If enabled, the variable ``EP_GIT_PROTOCOL`` is set to ``git``. Otherwise, it is set to ``https``.
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+# The option is enabled by default.
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+#
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+# The variable ``EP_GIT_PROTOCOL`` can be used when adding external project. For example:
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+#
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+# .. code-block:: cmake
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+#
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+# ExternalProject_Add(${proj}
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+# ${${proj}_EP_ARGS}
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+# GIT_REPOSITORY "${EP_GIT_PROTOCOL}://github.com/Foo/Foo.git"
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+# [...]
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+# )
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+#
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+option(${SUPERBUILD_TOPLEVEL_PROJECT}_USE_GIT_PROTOCOL "If behind a firewall turn this off to use https instead." ON)
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+set(EP_GIT_PROTOCOL "git")
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+if(NOT ${SUPERBUILD_TOPLEVEL_PROJECT}_USE_GIT_PROTOCOL)
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+ set(EP_GIT_PROTOCOL "https")
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+endif()
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# Compute -G arg for configuring external projects with the same CMake generator:
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if(CMAKE_EXTRA_GENERATOR)
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@@ -99,8 +139,7 @@ set(EP_CMAKE_GENERATOR_TOOLSET "${CMAKE_GENERATOR_TOOLSET}")
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# .. code-block:: cmake
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#
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# PROJECTS corresponds to a list of <projectname> that will be added using 'ExternalProject_Add' function.
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-# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'
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-# Otherwise, it defaults to 'CMAKE_PROJECT_NAME'.
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+# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'.
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# If instead 'ALL_PROJECTS' is specified, the variables and labels will be passed to all projects.
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#
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# VARS is an expected list of variables specified as <varname>:<vartype> to pass to <projectname>
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@@ -272,8 +311,7 @@ set(_ALL_PROJECT_IDENTIFIER "ALLALLALL")
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# )
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#
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# PROJECTS corresponds to a list of <projectname> that will be added using 'ExternalProject_Add' function.
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-# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'
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-# Otherwise, it defaults to 'CMAKE_PROJECT_NAME'.
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+# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'.
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# If instead 'ALL_PROJECTS' is specified, the variables and labels will be passed to all projects.
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#
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# VARS is an expected list of variables specified as <varname>:<vartype> to pass to <projectname>
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@@ -291,11 +329,7 @@ function(_sb_append_to_cmake_args)
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cmake_parse_arguments(_sb "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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if(NOT _sb_PROJECTS AND NOT _sb_ALL_PROJECTS)
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- if(SUPERBUILD_TOPLEVEL_PROJECT)
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- set(_sb_PROJECTS ${SUPERBUILD_TOPLEVEL_PROJECT})
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- else()
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- set(_sb_PROJECTS ${CMAKE_PROJECT_NAME})
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- endif()
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+ set(_sb_PROJECTS ${SUPERBUILD_TOPLEVEL_PROJECT})
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endif()
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if(_sb_ALL_PROJECTS)
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@@ -337,8 +371,7 @@ endfunction()
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# .. code-block:: cmake
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#
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# PROJECTS corresponds to a list of <projectname> that will be added using 'ExternalProject_Add' function.
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-# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'
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-# Otherwise, it defaults to 'CMAKE_PROJECT_NAME'.
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+# If not specified and called within a project file, it defaults to the value of 'SUPERBUILD_TOPLEVEL_PROJECT'.
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# If instead 'ALL_PROJECTS' is specified, the variables and labels will be passed to all projects.
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#
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# LABELS is a list of label to pass to the <projectname> as CMake CACHE args of the
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@@ -432,7 +465,7 @@ function(_sb_get_external_project_arguments proj varname)
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# USES_TERMINAL_* options were introduced in CMake 3.4
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foreach(step IN ITEMS DOWNLOAD UPDATE CONFIGURE BUILD TEST INSTALL)
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list(APPEND _ep_arguments
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- USES_TERMINAL_${step}
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+ USES_TERMINAL_${step} 1
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)
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endforeach()
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endif()
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Jean-Christophe Fillion-Robin