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prevent overriding declarations (#127)

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This commit is contained in:
Lars Melchior
2020-05-29 16:08:41 +02:00
committed by GitHub
parent 4425bd38cf
commit b31063d2ae
1 changed files with 4 additions and 3 deletions
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7
cmake/CPM.cmake
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@@ -28,7 +28,7 @@
cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
set(CURRENT_CPM_VERSION 0.26.1)
set(CURRENT_CPM_VERSION 0.26.2)
if(CPM_DIRECTORY)
if(NOT CPM_DIRECTORY STREQUAL CMAKE_CURRENT_LIST_DIR)
@@ -354,9 +354,10 @@ macro(cpm_export_variables name)
endmacro()
# declares a package, so that any call to CPMAddPackage for the
# package name will use these arguments instead
# package name will use these arguments instead.
# Previous declarations will not be overriden.
macro(CPMDeclarePackage Name)
if (NOT DEFINED "${CPM_DECLARATION_${Name}}")
if (NOT DEFINED "CPM_DECLARATION_${Name}")
set("CPM_DECLARATION_${Name}" "${ARGN}")
endif()
endmacro()