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# https://github.com/google/nsync
set(GOOGLE_NSYNC_PREFIX "/usr" CACHE PATH "Where to find Google NSync library")
function(_GoogleNSync_import)
# Find the header & lib
find_library(GoogleNSync_C_LIB
NAMES nsync
PATHS "${GOOGLE_NSYNC_PREFIX}/lib"
)
find_library(GoogleNSync_CPP_LIB
NAMES nsync_cpp
PATHS "${GOOGLE_NSYNC_PREFIX}/lib"
)
find_path(GoogleNSync_INCLUDE_DIR
NAMES nsync.h
PATHS "${GOOGLE_NSYNC_PREFIX}/include"
)
message(STATUS "GoogleNSync_C_LIB: ${GoogleNSync_C_LIB}")
message(STATUS "GoogleNSync_CPP_LIB: ${GoogleNSync_CPP_LIB}")
message(STATUS "GoogleNSync_INCLUDE_DIR: ${GoogleNSync_INCLUDE_DIR}")
set(GoogleNSync_FOUND TRUE)
if(NOT GoogleNSync_C_LIB)
set(GoogleNSync_FOUND FALSE)
endif(NOT GoogleNSync_C_LIB)
if(NOT GoogleNSync_CPP_LIB)
set(GoogleNSync_FOUND FALSE)
endif(NOT GoogleNSync_CPP_LIB)
if(NOT GoogleNSync_INCLUDE_DIR)
set(GoogleNSync_FOUND FALSE)
endif(NOT GoogleNSync_INCLUDE_DIR)
unset(MESSAGE)
list(APPEND MESSAGE "Found Google NSync")
if(NOT GoogleNSync_FOUND)
list(APPEND MESSAGE ": FALSE")
else(NOT GoogleNSync_FOUND)
list(APPEND MESSAGE " (include: ${GoogleNSync_INCLUDE_DIR} library: ${GoogleNSync_C_LIB} ${GoogleNSync_CPP_LIB})")
# Add target
if(NOT TARGET google_nsync)
# NOTE IMPORTED target may be more appropriate for this case
add_library(google_nsync INTERFACE)
target_link_libraries(google_nsync INTERFACE ${GoogleNSync_C_LIB} ${GoogleNSync_CPP_LIB})
target_include_directories(google_nsync INTERFACE ${GoogleNSync_INCLUDE_DIR})
add_library(Google::NSync ALIAS google_nsync)
endif(NOT TARGET google_nsync)
endif(NOT GoogleNSync_FOUND)
message(STATUS ${MESSAGE})
set(GoogleNSync_FOUND ${GoogleNSync_FOUND} PARENT_SCOPE)
endfunction(_GoogleNSync_import)
_GoogleNSync_import()
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