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Make cmake's check_const_exists() rely on cache

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(cherry picked from commit 4c61a04cd5207f2140b65f955559aa4ffc848e9c)
This commit is contained in:
Azat Khuzhin 2018-10-18 23:16:05 +03:00 committed by Azat Khuzhin
parent 3f692fff32
commit 235b55215b
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1 changed files with 16 additions and 14 deletions
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2
cmake/CheckConstExists.cmake
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@ -1,6 +1,7 @@
include(CheckCSourceCompiles) include(CheckCSourceCompiles)
macro(check_const_exists CONST FILES VARIABLE) macro(check_const_exists CONST FILES VARIABLE)
if (NOT DEFINED ${VARIABLE})
set(check_const_exists_source "") set(check_const_exists_source "")
foreach(file ${FILES}) foreach(file ${FILES})
set(check_const_exists_source set(check_const_exists_source
@ -20,4 +21,5 @@ macro(check_const_exists CONST FILES VARIABLE)
set(${VARIABLE} 0 CACHE INTERNAL "Have const ${CONST}") set(${VARIABLE} 0 CACHE INTERNAL "Have const ${CONST}")
message(STATUS "Looking for ${CONST} - not found") message(STATUS "Looking for ${CONST} - not found")
endif() endif()
endif()
endmacro(check_const_exists) endmacro(check_const_exists)