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cmake: Prefix all options with "SDL_"

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This makes it clear which options came from SDL's CMake project when
building SDL as a subdirectory of a parent CMake project.

Fixes #4139.
This commit is contained in:
Ryan C. Gordon
2021-10-05 10:43:35 -04:00
parent 172957387e
commit 7850d0cf6f
5 changed files with 286 additions and 278 deletions
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16
cmake/macros.cmake
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@@ -42,12 +42,18 @@ macro(MESSAGE_TESTED_OPTION _NAME)
if(${ARGC} EQUAL 2)
set(_PAD ${ARGV1})
endif()
if(NOT HAVE_${_NAME})
set(HAVE_${_NAME} OFF)
elseif("${HAVE_${_NAME}}" MATCHES "1|TRUE|YES|Y")
set(HAVE_${_NAME} ON)
string(SUBSTRING "${_NAME}" 0 4 _NAMESTART)
if(_NAMESTART STREQUAL "SDL_")
string(SUBSTRING "${_NAME}" 4 -1 _STRIPPEDNAME)
else()
set(_STRIPPEDNAME "${_NAME}")
endif()
message(STATUS " ${_NAME}${_PAD}(Wanted: ${_REQVALUE}): ${HAVE_${_NAME}}")
if(NOT HAVE_${_STRIPPEDNAME})
set(HAVE_${_STRIPPEDNAME} OFF)
elseif("${HAVE_${_STRIPPEDNAME}}" MATCHES "1|TRUE|YES|Y")
set(HAVE_${_STRIPPEDNAME} ON)
endif()
message(STATUS " ${_NAME}${_PAD}(Wanted: ${_REQVALUE}): ${HAVE_${_STRIPPEDNAME}}")
endmacro()
macro(LISTTOSTR _LIST _OUTPUT)