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Expand CPM_SOURCE_CACHE path provided as a configure argument (#186)

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Otherwise if one configures with -DCPM_SOURCE_CACHE=~/something (tilde to be expanded to $HOME), https://gitlab.kitware.com/cmake/cmake/-/issues/21729 hits, EXISTS always fails, and file(DOWNLOAD) fails
This commit is contained in:
Borislav Stanimirov
2021-01-21 17:31:55 +02:00
committed by GitHub
parent ab6e8d6d8c
commit fe8d15ba82
1 changed files with 2 additions and 0 deletions
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2
cmake/get_cpm.cmake
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@@ -1,6 +1,8 @@
set(CPM_DOWNLOAD_VERSION 1.0.0-development-version)
if(CPM_SOURCE_CACHE)
# Expand relative path. This is important if the provided path contains a tilde (~)
get_filename_component(CPM_SOURCE_CACHE ${CPM_SOURCE_CACHE} ABSOLUTE)
set(CPM_DOWNLOAD_LOCATION "${CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")
elseif(DEFINED ENV{CPM_SOURCE_CACHE})
set(CPM_DOWNLOAD_LOCATION "$ENV{CPM_SOURCE_CACHE}/cpm/CPM_${CPM_DOWNLOAD_VERSION}.cmake")