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@@ -54,7 +54,7 @@
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# BINARY_DIR = <base>/Build/<name>
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# INSTALL_DIR = <base>/Install/<name>
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# If no PREFIX, EP_PREFIX, or EP_BASE is specified then the default
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-# is to set PREIFX to "<name>-prefix".
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+# is to set PREFIX to "<name>-prefix".
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# Relative paths are interpreted with respect to the build directory
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# corresponding to the source directory in which ep_add is invoked.
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#
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@@ -88,6 +88,7 @@
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# It stores property values in variables of the same name.
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# Property names correspond to the keyword argument names of 'ep_add'.
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+
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# Pre-compute a regex to match documented keywords for each command.
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file(STRINGS "${CMAKE_CURRENT_LIST_FILE}" lines LIMIT_COUNT 100
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REGEX "^# ( \\[[A-Z_]+ [^]]*\\] +#.*$|[a-z_]+\\()")
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@@ -112,6 +113,7 @@ if(_ep_func)
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set(_ep_keywords_${_ep_func} "${_ep_keywords_${_ep_func}})$")
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endif()
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+
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function(_ep_parse_arguments f name ns args)
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# Transfer the arguments to this function into target properties for the
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# new custom target we just added so that we can set up all the build steps
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@@ -164,6 +166,7 @@ function(_ep_parse_arguments f name ns args)
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endforeach()
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endfunction(_ep_parse_arguments)
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+
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define_property(DIRECTORY PROPERTY "EP_BASE" INHERITED
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BRIEF_DOCS "Base directory for External Project storage."
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FULL_DOCS
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@@ -178,6 +181,121 @@ define_property(DIRECTORY PROPERTY "EP_PREFIX" INHERITED
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"ExternalProject module."
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)
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+
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+function(_ep_write_downloadfile_script script_filename remote local timeout)
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+ if(NOT timeout)
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+ set(timeout 30)
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+ endif()
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+
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+ file(WRITE ${script_filename}
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+"message(STATUS \"downloading...
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+ src='${remote}'
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+ dst='${local}'\")
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+
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+file(DOWNLOAD
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+ \"${remote}\"
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+ \"${local}\"
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+ TIMEOUT ${timeout}
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+ STATUS status
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+ LOG log)
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+
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+list(GET status 0 status_code)
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+list(GET status 1 status_string)
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+
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+if(NOT status_code EQUAL 0)
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+ message(FATAL_ERROR \"error: downloading '${remote}' failed
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+ status_code: \${status_code}
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+ status_string: \${status_string}
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+ log: \${log}
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+\")
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+endif()
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+
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+message(STATUS \"downloading... done\")
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+"
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+)
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+
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+endfunction(_ep_write_downloadfile_script)
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+
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+
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+function(_ep_write_extractfile_script script_filename filename tmp directory)
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+ set(args "")
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+
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+ if(filename MATCHES ".tar$")
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+ set(args xf)
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+ endif()
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+
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+ if(filename MATCHES ".tgz$")
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+ set(args xfz)
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+ endif()
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+
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+ if(filename MATCHES ".tar.gz$")
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+ set(args xfz)
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+ endif()
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+
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+ if(args STREQUAL "")
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+ message(SEND_ERROR "error: do not know how to extract '${filename}' -- known types are .tar, .tgz and .tar.gz")
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+ return()
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+ endif()
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+
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+ file(WRITE ${script_filename}
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+"# Make file names absolute:
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+#
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+get_filename_component(filename \"${filename}\" ABSOLUTE)
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+get_filename_component(tmp \"${tmp}\" ABSOLUTE)
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+get_filename_component(directory \"${directory}\" ABSOLUTE)
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+
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+message(STATUS \"extracting...
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+ src='\${filename}'
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+ dst='\${directory}'\")
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+
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+# Prepare a space for extracting:
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+#
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+set(i 1)
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+while(EXISTS \"\${tmp}/extract\${i}\")
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+ math(EXPR i \"\${i} + 1\")
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+endwhile()
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+set(ut_dir \"\${tmp}/extract\${i}\")
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+file(MAKE_DIRECTORY \"\${ut_dir}\")
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+
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+# Extract it:
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+#
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+message(STATUS \"extracting... [tar ${args}]\")
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+execute_process(COMMAND \${CMAKE_COMMAND} -E tar ${args} \${filename}
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+ WORKING_DIRECTORY \${ut_dir}
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+ RESULT_VARIABLE rv)
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+
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+if(NOT rv EQUAL 0)
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+ message(STATUS \"extracting... [error clean up]\")
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+ file(REMOVE_RECURSE \"\${ut_dir}\")
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+ message(FATAL_ERROR \"error: extract of '\${filename}' failed\")
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+endif()
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+
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+# Analyze what came out of the tar file:
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+#
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+message(STATUS \"extracting... [analysis]\")
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+file(GLOB contents \"\${ut_dir}/*\")
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+list(LENGTH contents n)
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+if(NOT n EQUAL 1 OR NOT IS_DIRECTORY \"\${contents}\")
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+ set(contents \"\${ut_dir}\")
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+endif()
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+
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+# Copy \"the one\" directory to the final directory:
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+#
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+message(STATUS \"extracting... [copy]\")
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+file(COPY \"\${contents}/\" DESTINATION \${directory})
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+
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+# Clean up:
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+#
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+message(STATUS \"extracting... [clean up]\")
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+file(REMOVE_RECURSE \"\${ut_dir}\")
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+
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+message(STATUS \"extracting... done\")
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+"
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+)
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+
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+endfunction(_ep_write_extractfile_script)
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+
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+
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function(_ep_set_directories name)
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get_property(prefix TARGET ${name} PROPERTY _EP_PREFIX)
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if(NOT prefix)
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@@ -248,6 +366,7 @@ function(_ep_set_directories name)
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endforeach()
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endfunction(_ep_set_directories)
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+
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function(ep_get name)
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foreach(var ${ARGN})
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string(TOUPPER "${var}" VAR)
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@@ -259,6 +378,7 @@ function(ep_get name)
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endforeach()
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endfunction(ep_get)
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+
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function(_ep_get_configure_command_id name cfg_cmd_id_var)
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get_target_property(cmd ${name} _EP_CONFIGURE_COMMAND)
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@@ -284,6 +404,7 @@ function(_ep_get_configure_command_id name cfg_cmd_id_var)
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endif()
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endfunction(_ep_get_configure_command_id)
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+
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function(_ep_get_build_command name step cmd_var)
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set(cmd "${${cmd_var}}")
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if(NOT cmd)
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@@ -332,6 +453,7 @@ function(_ep_get_build_command name step cmd_var)
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set(${cmd_var} "${cmd}" PARENT_SCOPE)
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endfunction(_ep_get_build_command)
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+
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function(ep_add_step name step)
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set(cmf_dir ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles)
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ep_get(${name} stamp_dir)
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@@ -412,6 +534,7 @@ function(ep_add_step name step)
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)
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endfunction(ep_add_step)
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+
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function(_ep_add_mkdir_command name)
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ep_get(${name}
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source_dir binary_dir install_dir stamp_dir download_dir tmp_dir)
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@@ -426,6 +549,7 @@ function(_ep_add_mkdir_command name)
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)
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endfunction(_ep_add_mkdir_command)
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+
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function(_ep_add_download_command name)
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ep_get(${name} source_dir stamp_dir download_dir tmp_dir)
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@@ -517,7 +641,8 @@ function(_ep_add_download_command name)
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message(FATAL_ERROR "Could not extract tarball filename from url:\n ${url}")
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endif()
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set(file ${download_dir}/${fname})
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- set(cmd ${CMAKE_COMMAND} -Dremote=${url} -Dlocal=${file} -P ${CMAKE_ROOT}/Modules/DownloadFile.cmake
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+ _ep_write_downloadfile_script("${stamp_dir}/download-${name}.cmake" "${url}" "${file}")
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+ set(cmd ${CMAKE_COMMAND} -P ${stamp_dir}/download-${name}.cmake
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COMMAND)
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set(comment "Performing download step (download and extract) for '${name}'")
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else()
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@@ -525,7 +650,8 @@ function(_ep_add_download_command name)
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set(comment "Performing download step (extract) for '${name}'")
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endif()
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# TODO: Support other archive formats.
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- list(APPEND cmd ${CMAKE_COMMAND} -Dfilename=${file} -Dtmp=${tmp_dir} -Ddirectory=${source_dir} -P ${CMAKE_ROOT}/Modules/UntarFile.cmake)
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+ _ep_write_extractfile_script("${stamp_dir}/extract-${name}.cmake" "${file}" "${tmp_dir}" "${source_dir}")
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+ list(APPEND cmd ${CMAKE_COMMAND} -P ${stamp_dir}/extract-${name}.cmake)
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endif()
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else()
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message(SEND_ERROR "error: no download info for '${name}'")
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@@ -679,6 +805,7 @@ function(_ep_add_install_command name)
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)
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endfunction(_ep_add_install_command)
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+
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function(ep_add name)
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# Add a custom target for the external project.
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set(cmf_dir ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles)
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David Cole