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CMake: Resolve code duplication by use of a macro

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This commit is contained in:
Sebastian Pipping 2019-07-09 23:09:51 +02:00
parent dfef43bf9b
commit a33e021955
1 changed files with 12 additions and 16 deletions
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28
expat/CMakeLists.txt
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@ -109,23 +109,19 @@ endif(BUILD_tests)
include(${CMAKE_CURRENT_LIST_DIR}/ConfigureChecks.cmake)
macro(evaluate_detection_results use_ref have_ref thing_lower thing_title)
if(${use_ref} AND NOT (${use_ref} STREQUAL "AUTO") AND NOT ${have_ref})
message(SEND_ERROR
"Use of ${thing_lower} was enforced by ${use_ref}=ON but it could not be found.")
elseif(NOT ${use_ref} AND ${have_ref})
message("${thing_title} was found but it will not be used due to ${use_ref}=OFF.")
set(${have_ref} 0)
endif()
endmacro()
if(NOT WIN32)
if(USE_GETRANDOM AND NOT (USE_GETRANDOM STREQUAL "AUTO") AND NOT HAVE_GETRANDOM)
message(SEND_ERROR
"Use of function getrandom was enforced by USE_GETRANDOM=ON but it could not be found.")
elseif(NOT USE_GETRANDOM AND HAVE_GETRANDOM)
message("Function getrandom was found but it will not be used due to USE_GETRANDOM=OFF.")
set(HAVE_GETRANDOM 0)
endif()
if(USE_SYS_GETRANDOM AND NOT (USE_SYS_GETRANDOM STREQUAL "AUTO") AND NOT HAVE_SYSCALL_GETRANDOM)
message(SEND_ERROR
"Use of syscall SYS_getrandom was enforced by USE_SYS_GETRANDOM=ON but it could not be found.")
elseif(NOT USE_SYS_GETRANDOM AND HAVE_SYSCALL_GETRANDOM)
message("Syscall SYS_getrandom was found but it will not be used due to USE_SYS_GETRANDOM=OFF.")
set(HAVE_SYSCALL_GETRANDOM 0)
endif()
evaluate_detection_results(USE_GETRANDOM HAVE_GETRANDOM "function getrandom" "Function getrandom")
evaluate_detection_results(USE_SYS_GETRANDOM HAVE_SYSCALL_GETRANDOM "syscall SYS_getrandom" "Syscall SYS_getrandom")
endif()