forked from osmocom/wireshark
234 lines
6.5 KiB
Plaintext
234 lines
6.5 KiB
Plaintext
# $Id: configure.in,v 1.50 2003/12/24 14:45:21 jmayer Exp $
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dnl
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dnl Process this file with autoconf 2.13 or later to produce a
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dnl configure script; 2.12 doesn't generate a "configure" script that
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dnl defines SHELL, and "Makefile.in" has
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dnl
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dnl SHELL = @SHELL@
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dnl
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dnl which requires it to be defined - and there may be other problems
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dnl with pre-2.13 "autoconf" as well.
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dnl
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AC_INIT(wtap.c)
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AC_PREREQ(2.13)
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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AM_INIT_AUTOMAKE(libwtap.a, 0.0.0)
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AM_CONFIG_HEADER(config.h)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_CPP
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AC_PROG_YACC
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AM_PROG_LEX
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AC_PROG_LIBTOOL
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AC_PATH_PROG(LEX, flex)
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AC_SUBST(FLEX_PATH)
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#
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# If we're running gcc, add '-Wall -W -Wcast-qual' to CFLAGS, and add
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# '-D_U_="__attribute__((unused))"' as well, so we can use _U_ to
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# flag unused function arguments and not get warnings about them.
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# If "--with-extra-gcc-checks" was specified, add "-Wcast-align"
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# as well. (Add more checks here in the future?)
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#
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# Otherwise, add '-D_U_=""', so that _U_ used to flag an unused function
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# argument will compile with non-GCC compilers.
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#
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AC_ARG_WITH(extra-gcc-checks,
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[ --with-extra-gcc-checks Do additional -W checks in GCC. [default=no]],
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[
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if test $withval != no
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then
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ethereal_extra_gcc_flags=" -Wcast-align -pedantic"
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fi
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],)
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AC_MSG_CHECKING(to see if we can add '-Wall -W -Wcast-qual$ethereal_extra_gcc_flags' to CFLAGS)
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if test x$GCC != x ; then
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CFLAGS="-D_U_=\"__attribute__((unused))\" -Wall -W -Wcast-qual$ethereal_extra_gcc_flags $CFLAGS"
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AC_MSG_RESULT(yes)
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else
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CFLAGS="-D_U_=\"\" $CFLAGS"
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AC_MSG_RESULT(no)
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fi
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#
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# Add any platform-specific compiler flags needed.
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#
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AC_MSG_CHECKING(for platform-specific compiler flags)
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if test "x$GCC" = x
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then
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#
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# Not GCC - assume it's the vendor's compiler.
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#
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case "$host_os" in
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hpux*)
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#
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# HP's ANSI C compiler; flags suggested by Jost Martin.
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# "-Ae" for ANSI C plus extensions such as "long long".
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# "+O2", for optimization. XXX - works with "-g"?
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#
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CFLAGS="-Ae +O2 $CFLAGS"
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AC_MSG_RESULT(HP ANSI C compiler - added -Ae +O2)
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;;
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darwin*)
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#
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# It may be called "cc", but it's really a GCC derivative
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# with a problematic special precompiler and precompiled
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# headers; turn off the special precompiler, as some
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# apparently-legal code won't compile with its precompiled
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# headers.
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#
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CFLAGS="-no-cpp-precomp $CFLAGS"
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AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
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;;
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*)
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AC_MSG_RESULT(none needed)
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;;
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esac
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else
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case "$host_os" in
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darwin*)
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#
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# See comments above about Apple's lovely C compiler.
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#
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CFLAGS="-no-cpp-precomp $CFLAGS"
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AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
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;;
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*)
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AC_MSG_RESULT(none needed)
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;;
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esac
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fi
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AC_ARG_ENABLE(profile-build,
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[ --enable-profile-build build profile-ready binaries. [default=no]],enable_profile_build=$enableval,enable_profile_build=no)
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AM_CONDITIONAL(USE_PROFILE_BUILD, test x$enable_profile_build = xyes)
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AC_MSG_CHECKING(if profile builds must be generated)
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if test "x$enable_profile_build" = "xyes" ; then
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if test -n "$GCC" ; then
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AC_MSG_RESULT(yes)
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CFLAGS=" -pg $CFLAGS"
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else
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AC_MSG_RESULT(no)
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echo "Building profile binaries currently only supported for GCC."
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fi
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else
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AC_MSG_RESULT(no)
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fi
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AC_ARG_ENABLE(gtk2,
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[ --enable-gtk2 build Glib2/Gtk2+-based (t)ethereal. [default=no]],enable_gtk2=$enableval,enable_gtk2=no)
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if test "x$enable_gtk2" = "xyes" ; then
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AM_PATH_GLIB_2_0(2.0.0, CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS", , gmodule)
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else
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AM_PATH_GLIB(1.2.0, CFLAGS="$CFLAGS $GLIB_CFLAGS" LIBS="$LIBS $GLIB_LIBS", , gmodule)
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fi
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dnl Look in /usr/local for header files and libraries ?
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AC_ARG_ENABLE(usr-local,
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[ --enable-usr-local look for headers and libs in /usr/local tree. [default=yes]],enable_usr_local=$enableval,enable_usr_local=yes)
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AC_MSG_CHECKING(whether to use /usr/local for headers and libraries)
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if test "x$enable_usr_local" = "xyes" ; then
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AC_MSG_RESULT(yes)
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#
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# Arrange that we search for header files in "/usr/local/include",
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# as various packages we use ("libpcap", "zlib") may have been installed
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# under "/usr/local/include".
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#
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# We do this after checking for GLib, so that "-I/usr/local/include"
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# comes after any "-I" flags added by "AM_PATH_GLIB"; if the user has
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# installed a pre-1.2.9 version of GLib, it'd probably go under
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# "/usr/local", and if they then install 1.2.9 or later without
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# uninstalling the pre-1.2.9 version, 1.2.9's header files won't be
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# in "/usr/local/include" (they're put in a separate directory so that
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# GLib 1.2[.x] and 1.3[.x]/2.x can coexist), and if we search
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# "/usr/local/include" before searching the directory "AM_PATH_GLIB"
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# specifies, we may pick up headers from the older version.
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#
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CFLAGS="$CFLAGS -I/usr/local/include"
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CPPFLAGS="$CPPFLAGS -I/usr/local/include"
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#
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# Arrange that we search for libraries in "/usr/local/lib", as we'll
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# be testing whether zlib has gzgets, and we need to be able to find
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# zlib even if it's in "/usr/local/lib".
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#
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# We do this after checking for GLib; see above.
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#
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LDFLAGS="$LDFLAGS -L/usr/local/lib"
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else
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AC_MSG_RESULT(no)
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fi
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dnl Checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS(sys/time.h netinet/in.h unistd.h fcntl.h sys/stat.h sys/types.h)
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# We must know our byte order
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AC_C_BIGENDIAN
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#
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# Look for libpcap, so we can include <pcap.h> in libpcap.c if it's
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# found.
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#
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# "--with-pcap" is merely done to allow the user to specify a directory
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# in which to look for <pcap.h> (and so that specifying it to the
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# top-level Ethereal configure script specifies it to the Wiretap
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# configure script as well); we search for it regardless of whether
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# "--without-pcap" was specified, as Wiretap isn't linked with it and
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# there's no benefit to not looking for the header.
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#
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AC_ARG_WITH(pcap,
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[ --with-pcap=DIR libpcap is located in directory DIR.],
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[
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if test $withval != yes -a $withval != no
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then
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pcap_dir=$withval
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fi
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],[
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pcap_dir=
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])
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AC_WIRETAP_PCAP_CHECK
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dnl zlib check
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AC_MSG_CHECKING(whether to use zlib for reading compressed capture files)
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AC_ARG_WITH(zlib,
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[ --with-zlib[=DIR] use zlib (located in directory DIR, if supplied) to read compressed data. [default=yes, if present]],
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[
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if test $withval = no
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then
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want_zlib=no
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elif test $withval = yes
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then
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want_zlib=yes
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else
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want_zlib=yes
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zlib_dir=$withval
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fi
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],[
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#
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# Use zlib if it's present, otherwise don't.
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#
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want_zlib=ifpresent
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zlib_dir=
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])
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if test "x$want_zlib" = "xno" ; then
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AC_MSG_RESULT(no)
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else
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AC_MSG_RESULT(yes)
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AC_WIRETAP_ZLIB_CHECK
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if test "x$want_zlib" = "xno" ; then
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AC_MSG_RESULT(zlib not found - disabling compressed capture file support)
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fi
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fi
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AC_OUTPUT(Makefile)
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