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Support EVAL CODE on CMake <3.18

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This commit is contained in:
Craig Hutchinson
2023-03-08 10:05:04 +00:00
committed by Craig Hutchinson
parent cbe5144f79
commit b847af65c0
1 changed files with 12 additions and 2 deletions
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14
cmake/CPM.cmake
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@@ -505,6 +505,16 @@ function(cpm_override_fetchcontent contentName)
set_property(GLOBAL PROPERTY ${propertyName} TRUE)
endfunction()
macro(cpm_cmake_eval)
set(__ARGN "${ARGN}")
if(COMMAND cmake_language)
cmake_language(EVAL CODE "${__ARGN}")
else()
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/eval.cmake "${__ARGN}")
include(${CMAKE_CURRENT_BINARY_DIR}/eval.cmake)
endif()
endmacro()
# Download and add a package from source
macro(CPMAddPackage)
set(__ARGN "${ARGN}")
@@ -518,7 +528,7 @@ macro(CPMAddPackage)
foreach(__ARG IN LISTS __ARGN)
string(APPEND __ARGN_Quoted " [==[${__ARG}]==]")
endforeach()
cmake_language(EVAL CODE "cpm_add_package_multi_arg( ${__ARGN_Quoted} )")
cpm_cmake_eval("cpm_add_package_multi_arg( ${__ARGN_Quoted} )")
endif()
endmacro()
@@ -944,7 +954,7 @@ function(cpm_declare_fetch PACKAGE VERSION INFO)
foreach(__item IN LISTS ARGN)
string(APPEND __argsQuoted " [==[${__item}]==]")
endforeach()
cmake_language(EVAL CODE "FetchContent_Declare(${PACKAGE} ${__argsQuoted} )")
cpm_cmake_eval("FetchContent_Declare(${PACKAGE} ${__argsQuoted} )")
endfunction()
# returns properties for a package previously defined by cpm_declare_fetch