![Jörg Mayer](/assets/img/avatar_default.png)
configure option is given on the command line. The value of the arguement is passwd in the enableval variable. The 4th argument tells what to do in case no command line argument was given. This causes --disable-gtk2 (which is the default) to behave differently from the case when no option is given. I do not really understand where the difference in the behaviour of the generated codes comes from, but I definitely see a difference. Fixed all occurrences where the 3rd arguement was empty. svn path=/trunk/; revision=7044
218 lines
6 KiB
Text
218 lines
6 KiB
Text
# $Id: configure.in,v 1.45 2003/01/30 10:20:44 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 $withval != no
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then
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ethereal_extra_gcc_flags=" -Wcast-align"
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fi
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],)
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AC_MSG_CHECKING(to see if we can add '-Wall -W -Wcast-qual$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 $CFLAGS"
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AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
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;;
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*)
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AC_MSG_RESULT(none needed)
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;;
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esac
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fi
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AC_ARG_ENABLE(gtk2,
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[ --enable-gtk2 build Glib2/Gtk2+-based (t)ethereal. [default=no]],enable_gtk2=$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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