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21 lines
672 B
CMake
21 lines
672 B
CMake
include(CheckCSourceCompiles)
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# Check whether the namser compatibility header is required
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# This can be the case on the Darwin platform
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check_c_source_compiles("
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#include <arpa/nameser.h>
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int main() { HEADER *hdr; int d = NS_IN6ADDRSZ; return 0; }"
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have_nameser_header)
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if (NOT have_nameser_header)
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check_c_source_compiles("
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#include <arpa/nameser.h>
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#include <arpa/nameser_compat.h>
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int main() { HEADER *hdr; int d = NS_IN6ADDRSZ; return 0; }"
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NEED_NAMESER_COMPAT_H)
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if (NOT NEED_NAMESER_COMPAT_H)
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message(FATAL_ERROR
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"Asynchronous DNS support compatibility check failed.")
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endif ()
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endif ()
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