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Merge pull request #1411 from xu-cheng/homebrew-formula

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Let homebrew handle external resources download
This commit is contained in:
John Szakmeister
2014-11-07 08:50:13 -05:00
parent 6f8c916d84 9065898264
commit 07775c07c0
2 changed files with 34 additions and 2 deletions
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11
third-party/cmake/DownloadAndExtractFile.cmake vendored
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@@ -18,6 +18,15 @@ if(NOT DEFINED TARGET)
message(FATAL_ERROR "TARGET must be defined.")
endif()
set(SRC_DIR ${PREFIX}/src/${TARGET})
# Check whether the source has been downloaded. If true, skip it.
# Useful for external downloads like homebrew.
if(EXISTS "${SRC_DIR}" AND IS_DIRECTORY "${SRC_DIR}")
message(STATUS "${SRC_DIR} is found, skipping download and extraction. ")
return()
endif()
# Taken from ExternalProject_Add. Let's hope we can drop this one day when
# ExternalProject_Add allows you to disable SHOW_PROGRESS on the file download.
if(TIMEOUT)
@@ -71,8 +80,6 @@ endif()
message(STATUS "downloading... done")
set(SRC_DIR ${PREFIX}/src/${TARGET})
# Slurped from a generated extract-TARGET.cmake file.
message(STATUS "extracting...
src='${file}'