forked from osmocom/wireshark
83 lines
2.3 KiB
Plaintext
83 lines
2.3 KiB
Plaintext
dnl Macros that test for specific features.
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dnl This file is part of the Autoconf packaging for Ethereal.
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dnl Copyright (C) 1998-2000 by Gerald Combs.
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dnl
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dnl $Id: acinclude.m4,v 1.12 2001/09/28 05:41:45 guy Exp $
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dnl
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#
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# AC_WIRETAP_PCAP_CHECK
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#
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AC_DEFUN(AC_WIRETAP_PCAP_CHECK,
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[
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if test -z "$pcap_dir"
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then
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#
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# The user didn't specify a directory in which libpcap resides;
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# we assume that the current library search path will work,
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# but we may have to look for the header in a "pcap"
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# subdirectory of "/usr/include" or "/usr/local/include",
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# as some systems apparently put "pcap.h" in a "pcap"
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# subdirectory, and we also check "$prefix/include".
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#
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# XXX - should we just add "$prefix/include" to the include
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# search path?
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#
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AC_MSG_CHECKING(for extraneous pcap header directories)
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found_pcap_dir=""
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for pcap_dir in /usr/include/pcap /usr/local/include/pcap $prefix/include
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do
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if test -d $pcap_dir ; then
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CFLAGS="$CFLAGS -I$pcap_dir"
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CPPFLAGS="$CPPFLAGS -I$pcap_dir"
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found_pcap_dir=" $found_pcap_dir -I$pcap_dir"
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fi
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done
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if test "$found_pcap_dir" != "" ; then
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AC_MSG_RESULT(found --$found_pcap_dir added to CFLAGS)
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else
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AC_MSG_RESULT(not found)
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fi
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else
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#
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# The user specified a directory in which libpcap resides,
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# so add the "include" subdirectory of that directory to
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# the include file search path.
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#
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# XXX - if there's also a libpcap in a directory that's
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# already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't
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# make us find the version in the specified directory,
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# as the compiler and/or linker will search that other
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# directory before it searches the specified directory.
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#
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CFLAGS="$CFLAGS -I$pcap_dir/include"
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CPPFLAGS="$CPPFLAGS -I$pcap_dir/include"
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fi
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# Pcap header check
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AC_CHECK_HEADERS(pcap.h)
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])
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#
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# AC_WIRETAP_ZLIB_CHECK
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#
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AC_DEFUN(AC_WIRETAP_ZLIB_CHECK,
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[
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AC_CHECK_HEADER(zlib.h,,enable_zlib=no)
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if test x$enable_zlib != xno
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then
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#
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# Well, we at least have the zlib header file.
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#
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# Check for "gzseek()" in zlib, because we need it, but
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# some older versions of zlib don't have it. It appears
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# from the zlib ChangeLog that any released version of zlib
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# with "gzseek()" should have the other routines we
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# depend on, such as "gztell()" and "zError()".
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#
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AC_CHECK_LIB(z, gzseek,,enable_zlib=no)
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fi
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])
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