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a19391b94b
With this correction, the configure tests should now be pulling in the correct user-specified libpcap headers
63 lines
1.7 KiB
CMake
63 lines
1.7 KiB
CMake
include(CheckFunctionExists)
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include(CheckCSourceCompiles)
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include(CheckIncludeFiles)
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set(CMAKE_REQUIRED_INCLUDES ${PCAP_INCLUDE_DIR})
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set(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARY})
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check_include_files(pcap-int.h HAVE_PCAP_INT_H)
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check_function_exists(pcap_freecode HAVE_LIBPCAP_PCAP_FREECODE)
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if (NOT HAVE_LIBPCAP_PCAP_FREECODE)
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set(DONT_HAVE_LIBPCAP_PCAP_FREECODE true)
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message(STATUS "No implementation for pcap_freecode()")
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endif ()
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check_c_source_compiles("
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#include <pcap.h>
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int main () {
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int snaplen;
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int linktype;
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struct bpf_program fp;
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int optimize;
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bpf_u_int32 netmask;
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char str[10];
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char error[1024];
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snaplen = 50;
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linktype = DLT_EN10MB;
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optimize = 1;
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netmask = 0L;
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str[0] = 'i'; str[1] = 'p'; str[2] = '\\\\0';
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(void)pcap_compile_nopcap(
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snaplen, linktype, &fp, str, optimize, netmask, &error);
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return 0;
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}
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" LIBPCAP_PCAP_COMPILE_NOPCAP_HAS_ERROR_PARAMETER)
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if (NOT LIBPCAP_PCAP_COMPILE_NOPCAP_HAS_ERROR_PARAMETER)
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# double check
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check_c_source_compiles("
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#include <pcap.h>
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int main () {
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int snaplen;
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int linktype;
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struct bpf_program fp;
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int optimize;
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bpf_u_int32 netmask;
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char str[10];
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snaplen = 50;
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linktype = DLT_EN10MB;
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optimize = 1;
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netmask = 0L;
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str[0] = 'i'; str[1] = 'p'; str[2] = '\\\\0';
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(void)pcap_compile_nopcap(snaplen, linktype, &fp, str, optimize, netmask);
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return 0;
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}
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" LIBPCAP_PCAP_COMPILE_NOPCAP_NO_ERROR_PARAMETER)
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if (NOT LIBPCAP_PCAP_COMPILE_NOPCAP_NO_ERROR_PARAMETER)
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message(FATAL_ERROR
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"Can't determine if pcap_compile_nopcap takes an error parameter")
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endif ()
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endif ()
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set(CMAKE_REQUIRED_INCLUDES)
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set(CMAKE_REQUIRED_LIBRARIES)
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