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FetchContent: Raise error if manually given source dir does not exist

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Fixes: #21208
This commit is contained in:
Craig Scott
2020-10-03 18:46:08 +10:00
parent 468bcc3291
commit b030a6af88
6 changed files with 32 additions and 0 deletions
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Modules/FetchContent.cmake
+6
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@@ -1052,6 +1052,12 @@ function(FetchContent_Populate contentName)
# The source directory has been explicitly provided in the cache,
# so no population is required. The build directory may still be specified
# by the declared details though.
if(NOT EXISTS "${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}")
message(FATAL_ERROR "Manually specified source directory is missing:\n"
" FETCHCONTENT_SOURCE_DIR_${contentNameUpper} --> ${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}")
endif()
set(${contentNameLower}_SOURCE_DIR "${FETCHCONTENT_SOURCE_DIR_${contentNameUpper}}")
cmake_parse_arguments(savedDetails "" "BINARY_DIR" "" ${contentDetails})