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38 lines
1,014 B
CMake
38 lines
1,014 B
CMake
include(CheckCSourceCompiles)
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include(CheckPrototypeDefinition)
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include(CheckSymbolExists)
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include(CheckTypeSize)
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set(CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
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check_c_source_compiles("
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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int main() {
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return AI_ADDRCONFIG;
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}
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" HAVE_AI_ADDRCONFIG)
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check_prototype_definition("get_current_dir_name" "char *get_current_dir_name(void)" "NULL" "unistd.h" HAVE_GET_CURRENT_DIR_NAME)
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set(RT_LIBRARY "")
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check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME)
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if(NOT HAVE_CLOCK_GETTIME)
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set(RT_LIBRARY "rt")
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list(APPEND CMAKE_REQUIRED_LIBRARIES "rt")
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check_symbol_exists("clock_gettime" "time.h" HAVE_CLOCK_GETTIME_RT)
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if(NOT HAVE_CLOCK_GETTIME_RT)
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message(FATAL_ERROR "clock_gettime() not found")
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endif(NOT HAVE_CLOCK_GETTIME_RT)
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endif(NOT HAVE_CLOCK_GETTIME)
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set(CMAKE_EXTRA_INCLUDE_FILES "netinet/if_ether.h")
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check_type_size("struct ethhdr" SIZEOF_ETHHDR)
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string(COMPARE NOTEQUAL "${SIZEOF_ETHHDR}" "" HAVE_ETHHDR)
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