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dnl Process this file with autoconf to produce a configure script.
dnl Original author: Michael Patra
dnl For detailed change history, see the git commit logs.

m4_define(WINE_VERSION,regexp(m4_include(VERSION),[version \([-.0-9A-Za-z]+\)],[\1]))

dnl autoconf versions before 2.63b don't have AS_VAR_APPEND or AS_VAR_IF
AC_PREREQ(2.63b)
AC_INIT([Wine],[WINE_VERSION],[wine-devel@winehq.org],[wine],[https://www.winehq.org])
AC_CONFIG_SRCDIR(server/atom.c)
AC_CONFIG_HEADERS(include/config.h)
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AC_CONFIG_AUX_DIR(tools)
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dnl **** Command-line arguments ****

AC_ARG_ENABLE(win16, AS_HELP_STRING([--disable-win16],[do not include Win16 support]))
AC_ARG_ENABLE(win64, AS_HELP_STRING([--enable-win64],[build a Win64 emulator on AMD64 (won't run Win32 binaries)]))
AC_ARG_ENABLE(tests, AS_HELP_STRING([--disable-tests],[do not build the regression tests]))
AC_ARG_ENABLE(build-id, AS_HELP_STRING([--enable-build-id],[include .buildid section in output objects]))
AC_ARG_ENABLE(maintainer-mode, AS_HELP_STRING([--enable-maintainer-mode],[enable maintainer-specific build rules]))
AC_ARG_ENABLE(silent-rules, AS_HELP_STRING([--enable-silent-rules],[use silent build rules (override: "make V=1")]))
AC_ARG_ENABLE(werror, AS_HELP_STRING([--enable-werror],[treat compilation warnings as errors]))
AC_ARG_WITH(alsa,      AS_HELP_STRING([--without-alsa],[do not use the Alsa sound support]))
AC_ARG_WITH(capi,      AS_HELP_STRING([--without-capi],[do not use CAPI (ISDN support)]))
AC_ARG_WITH(coreaudio, AS_HELP_STRING([--without-coreaudio],[do not use the CoreAudio sound support]),
            [if test "x$withval" = "xno"; then ac_cv_header_CoreAudio_CoreAudio_h=no; fi])
AC_ARG_WITH(cups,      AS_HELP_STRING([--without-cups],[do not use CUPS]))
AC_ARG_WITH(dbus,      AS_HELP_STRING([--without-dbus],[do not use DBus (dynamic device support)]))
AC_ARG_WITH(float-abi, AS_HELP_STRING([--with-float-abi=abi],[specify the ABI (soft|softfp|hard) for ARM platforms]))
AC_ARG_WITH(fontconfig,AS_HELP_STRING([--without-fontconfig],[do not use fontconfig]))
AC_ARG_WITH(freetype,  AS_HELP_STRING([--without-freetype],[do not use the FreeType library]))
AC_ARG_WITH(gettext,   AS_HELP_STRING([--without-gettext],[do not use gettext]))
AC_ARG_WITH(gettextpo, AS_HELP_STRING([--with-gettextpo],[use the GetTextPO library to rebuild po files]),
            [if test "x$withval" = "xno"; then ac_cv_header_gettext_po_h=no; fi])
AC_ARG_WITH(gphoto,    AS_HELP_STRING([--without-gphoto],[do not use gphoto (Digital Camera support)]))
AC_ARG_WITH(gnutls,    AS_HELP_STRING([--without-gnutls],[do not use GnuTLS (schannel support)]))
AC_ARG_WITH(gssapi,    AS_HELP_STRING([--without-gssapi],[do not use GSSAPI (Kerberos SSP support)]))
AC_ARG_WITH(gstreamer, AS_HELP_STRING([--without-gstreamer],[do not use GStreamer (codecs support)]))
AC_ARG_WITH(inotify,   AS_HELP_STRING([--without-inotify],[do not use inotify (filesystem change notifications)]))
AC_ARG_WITH(krb5,      AS_HELP_STRING([--without-krb5],[do not use krb5 (Kerberos)]))
AC_ARG_WITH(ldap,      AS_HELP_STRING([--without-ldap],[do not use LDAP]),
            [if test "x$withval" = "xno"; then ac_cv_header_ldap_h=no; ac_cv_header_lber_h=no; fi])
AC_ARG_WITH(mingw,     AS_HELP_STRING([--without-mingw],[do not use the MinGW cross-compiler]))
AC_ARG_WITH(netapi,    AS_HELP_STRING([--without-netapi],[do not use the Samba NetAPI library]))
AC_ARG_WITH(openal,    AS_HELP_STRING([--without-openal],[do not use OpenAL]),
            [if test "x$withval" = "xno"; then ac_cv_header_AL_al_h=no; ac_cv_header_OpenAL_al_h=no; fi])
AC_ARG_WITH(opencl,    AS_HELP_STRING([--without-opencl],[do not use OpenCL]),
            [if test "x$withval" = "xno"; then ac_cv_header_CL_cl_h=no; ac_cv_header_OpenCL_opencl_h=no; fi])
AC_ARG_WITH(opengl,    AS_HELP_STRING([--without-opengl],[do not use OpenGL]))
AC_ARG_WITH(osmesa,     AS_HELP_STRING([--without-osmesa],[do not use the OSMesa library]))
AC_ARG_WITH(oss,       AS_HELP_STRING([--without-oss],[do not use the OSS sound support]))
AC_ARG_WITH(pcap,      AS_HELP_STRING([--without-pcap],[do not use the Packet Capture library]),
            [if test "x$withval" = "xno"; then ac_cv_header_pcap_pcap_h=no; fi])
AC_ARG_WITH(pthread,   AS_HELP_STRING([--without-pthread],[do not use the pthread library]),
            [if test "x$withval" = "xno"; then ac_cv_header_pthread_h=no; fi])
AC_ARG_WITH(pulse,     AS_HELP_STRING([--without-pulse],[do not use PulseAudio sound support]))
AC_ARG_WITH(sane,      AS_HELP_STRING([--without-sane],[do not use SANE (scanner support)]))
AC_ARG_WITH(sdl,       AS_HELP_STRING([--without-sdl],[do not use SDL]))
AC_ARG_WITH(udev,      AS_HELP_STRING([--without-udev],[do not use udev (plug and play support)]))
AC_ARG_WITH(unwind,    AS_HELP_STRING([--without-unwind],[do not use the libunwind library (exception handling)]))
AC_ARG_WITH(usb,       AS_HELP_STRING([--without-usb],[do not use the libusb library]))
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AC_ARG_WITH(v4l2,      AS_HELP_STRING([--without-v4l2],[do not use v4l2 (video capture)]))
AC_ARG_WITH(vulkan,    AS_HELP_STRING([--without-vulkan],[do not use Vulkan]))
AC_ARG_WITH(xcomposite,AS_HELP_STRING([--without-xcomposite],[do not use the Xcomposite extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xcomposite_h=no; fi])
AC_ARG_WITH(xcursor,   AS_HELP_STRING([--without-xcursor],[do not use the Xcursor extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_Xcursor_Xcursor_h=no; fi])
AC_ARG_WITH(xfixes,  AS_HELP_STRING([--without-xfixes],[do not use Xfixes for clipboard change notifications]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xfixes_h=no; fi])
AC_ARG_WITH(xinerama,  AS_HELP_STRING([--without-xinerama],[do not use Xinerama (legacy multi-monitor support)]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xinerama_h=no; fi])
AC_ARG_WITH(xinput,    AS_HELP_STRING([--without-xinput],[do not use the Xinput extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XInput_h=no; fi])
AC_ARG_WITH(xinput2,   AS_HELP_STRING([--without-xinput2],[do not use the Xinput 2 extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XInput2_h=no; fi])
AC_ARG_WITH(xrandr,    AS_HELP_STRING([--without-xrandr],[do not use Xrandr (multi-monitor support)]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xrandr_h=no; fi])
AC_ARG_WITH(xrender,   AS_HELP_STRING([--without-xrender],[do not use the Xrender extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_Xrender_h=no; fi])
AC_ARG_WITH(xshape,    AS_HELP_STRING([--without-xshape],[do not use the Xshape extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_shape_h=no; fi])
AC_ARG_WITH(xshm,      AS_HELP_STRING([--without-xshm],[do not use XShm (shared memory extension)]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_XShm_h=no; fi])
AC_ARG_WITH(xxf86vm,   AS_HELP_STRING([--without-xxf86vm],[do not use XFree video mode extension]),
            [if test "x$withval" = "xno"; then ac_cv_header_X11_extensions_xf86vmode_h=no; ac_cv_header_X11_extensions_xf86vmproto_h=no; fi])
AC_ARG_WITH(system-dllpath,AS_HELP_STRING([--with-system-dllpath=PATH],[load external PE dependencies from colon-separated path PATH]),
            AC_SUBST(system_dllpath,[$withval]))
AC_ARG_WITH(wine-tools,AS_HELP_STRING([--with-wine-tools=DIR],[use Wine tools from directory DIR]))
AC_ARG_WITH(wine64,    AS_HELP_STRING([--with-wine64=DIR],[use the 64-bit Wine in DIR for a Wow64 build]))
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AC_SUBST(dlldir,[\${libdir}/wine])
AC_SUBST(fontdir,[\${datadir}/wine/fonts])
AC_SUBST(nlsdir,[\${datadir}/wine/nls])
AC_SUBST(srcdir)

dnl **** Check for some programs ****

AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CXX
dnl We can't use AC_PROG_CPP for winegcc, it uses by default $(CC) -E
AC_CHECK_TOOL(CPPBIN,cpp,cpp)
AC_DEFINE_UNQUOTED(EXEEXT,["$ac_exeext"],[Define to the file extension for executables.])
AC_CHECK_TOOL(LD,ld)
  *-mingw32*|*-cygwin*)
    enable_win16=${enable_win16:-no}
    if test "x$enable_win64" != "xyes" -a "$cross_compiling" != "yes"
      AC_CACHE_CHECK([whether $CC works], wine_cv_cc_m32,
          [AC_LINK_IFELSE([AC_LANG_PROGRAM()],[wine_cv_cc_m32=yes],[wine_cv_cc_m32=no])])
      test $wine_cv_cc_m32 != no || AC_MSG_ERROR([Cannot build a 32-bit program, you need to install 32-bit development libraries.])
      host_cpu="i386"
      TARGETFLAGS="$TARGETFLAGS -m32"
      PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/usr/lib/i386-linux-gnu/pkgconfig:/usr/lib32/pkgconfig:/usr/lib/pkgconfig}
      enable_win16=${enable_win16:-yes}
      with_unwind=${with_unwind:-no}
        AC_CACHE_CHECK([whether $CC supports __builtin_ms_va_list],wine_cv_builtin_ms_va_list,
            [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>]], [[void func(__builtin_ms_va_list *args);]])],
                          [wine_cv_builtin_ms_va_list=yes],[wine_cv_builtin_ms_va_list=no])])
        test $wine_cv_builtin_ms_va_list != no || AC_MSG_ERROR([You need gcc >= 4.4 or clang >= 3.8 to build Wine as 64-bit.])
      TARGETFLAGS="$TARGETFLAGS -m64"
      enable_wow64=${enable_wow64:-yes}
      enable_wow64win=${enable_wow64win:-yes}
      enable_wow64cpu=${enable_wow64cpu:-yes}
    AC_CACHE_CHECK([whether $CC supports Thumb-2],wine_cv_thumb2,
        [WINE_TRY_ASM_LINK([".syntax unified\n\t.thumb\n\tldm r0,{r0-r8}"],,,
                           [wine_cv_thumb2=yes],[wine_cv_thumb2=no])])
    if test x"$wine_cv_thumb2" = xyes
    then
        CFLAGS="$CFLAGS -mthumb"
        TARGETFLAGS="$TARGETFLAGS -mthumb"
    else
        CFLAGS="$CFLAGS -marm"
        TARGETFLAGS="$TARGETFLAGS -marm"
    case $with_float_abi in
      soft|softfp|hard)
        float_abi=$with_float_abi ;;
      *)
        case $host_os in
          *eabihf)
            float_abi=hard ;;
          *)
            float_abi=softfp
            saved_CFLAGS=$CFLAGS
            CFLAGS="$CFLAGS -mfloat-abi=$float_abi"
            AC_CACHE_CHECK([whether $CC supports -mfloat-abi=$float_abi],wine_cv_float_abi,
                [WINE_TRY_ASM_LINK(["vmrs r2,fpscr"],,,[wine_cv_float_abi=yes],[wine_cv_float_abi=no])])
            if test $wine_cv_float_abi = no
            then
                float_abi=soft
                WINE_WARNING([Floating point is not supported for this target. The resulting build won't be compatible with Windows ARM binaries.])
            fi
    CFLAGS="$CFLAGS -mfloat-abi=$float_abi"
    TARGETFLAGS="$TARGETFLAGS -mfloat-abi=$float_abi"
    enable_wow64=${enable_wow64:-yes}
    enable_wow64win=${enable_wow64win:-yes}
  i[[3456789]]86*)
    enable_win16=${enable_win16:-yes}
    with_unwind=${with_unwind:-no}
dnl enable_win16 defaults to yes on x86, to no on other CPUs
enable_win16=${enable_win16:-no}
enable_win64=${enable_win64:-no}
enable_wow64=${enable_wow64:-no}
enable_wow64win=${enable_wow64win:-no}
enable_wow64cpu=${enable_wow64cpu:-no}
dnl Disable winetest too if tests are disabled
enable_winetest=${enable_winetest:-$enable_tests}

dnl Some special cases for the 64-bit build
if test "x$enable_win64" = "xyes"
    test -z "$with_wine64" || AC_MSG_ERROR([--enable-win64 and --with-wine64 are mutually exclusive.
--enable-win64 should be used in the 64-bit build tree, --with-wine64 in the 32-bit Wow64 build tree.])
fi

case $build_os in
  cygwin*|mingw32*) AC_SUBST(toolsext,".exe") ;;
  *) AC_SUBST(toolsext,"") ;;
esac

AC_CACHE_CHECK([for the directory containing the Wine tools], wine_cv_toolsdir,
  [wine_cv_toolsdir="$with_wine_tools"
   if test -z "$with_wine_tools"; then
     if test "$cross_compiling" = "yes"; then
       AC_MSG_ERROR([you must use the --with-wine-tools option when cross-compiling.])
     elif test -n "$with_wine64"; then
       wine_cv_toolsdir="$with_wine64"
if test -z "$wine_cv_toolsdir"; then
    wine_makedep=tools/makedep$toolsext
elif test -d "$wine_cv_toolsdir/tools/winebuild"; then
    wine_makedep=$wine_cv_toolsdir/tools/makedep$toolsext
    enable_tools=${enable_tools:-no}
    test -f "$wine_makedep" || AC_MSG_ERROR([the Wine tools have not yet been built in $wine_cv_toolsdir])
else
    AC_MSG_ERROR([could not find Wine tools in $wine_cv_toolsdir])
fi
AC_SUBST(toolsdir,[$wine_cv_toolsdir])
AC_SUBST(MAKEDEP,[$wine_makedep])
AC_SUBST(RUNTESTFLAGS,["-q -P wine"])
AC_SUBST(SED_CMD,["LC_ALL=C sed -e 's,@bindir@,\${bindir},g' -e 's,@dlldir@,\${dlldir},g' -e 's,@PACKAGE_STRING@,$PACKAGE_STRING,g' -e 's,@PACKAGE_VERSION@,$PACKAGE_VERSION,g'"])
if test -n "$host_alias" -a "$host_alias" != "$build_alias"
    TARGETFLAGS="-b $host_alias $TARGETFLAGS"
dnl Check for flex
AC_CHECK_PROGS(FLEX,flex,none)
if test "$FLEX" = "none"
  AC_MSG_ERROR([no suitable flex found. Please install the 'flex' package.])
AC_CACHE_CHECK([whether flex is recent enough],wine_cv_recent_flex,
    [cat >conftest.l <<EOF
%top{
#include "prediluvian.h"
}
%%
EOF
    if $FLEX -t conftest.l >/dev/null 2>&AS_MESSAGE_LOG_FD
    then
      wine_cv_recent_flex=yes
    else
      wine_cv_recent_flex=no
    fi])
test $wine_cv_recent_flex != no || AC_MSG_ERROR([Your flex version is too old. Please install flex version 2.5.33 or newer.])
dnl Check for bison
AC_CHECK_PROGS(BISON,bison,none)
if test "$BISON" = "none"
then
  AC_MSG_ERROR([no suitable bison found. Please install the 'bison' package.])
fi
AC_CACHE_CHECK([whether bison is recent enough],wine_cv_recent_bison,
    [cat >conftest.y <<EOF
%define parse.error verbose
%%
empty: ;
EOF
    if $BISON conftest.y >/dev/null 2>&AS_MESSAGE_LOG_FD
    then
      wine_cv_recent_bison=yes
    else
      wine_cv_recent_bison=no
    fi])
test $wine_cv_recent_bison != no || AC_MSG_ERROR([Your bison version is too old. Please install bison version 3.0 or newer.])
AC_CHECK_TOOL(STRIP,strip,strip)
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AC_PROG_RANLIB
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AC_PROG_LN_S
AC_PATH_PROG(LDCONFIG, ldconfig, true, [/sbin /usr/sbin $PATH])
AC_CHECK_PROGS(MSGFMT, msgfmt, false)
WINE_PATH_PKG_CONFIG
if test "x$enable_maintainer_mode" != "xyes"
  FONTFORGE=""
  RSVG=""
  CONVERT=""
  ICOTOOL=""
  test "$srcdir" = . || AC_MSG_ERROR([Maintainer mode cannot work out of tree.])
  AC_CHECK_PROGS(FONTFORGE, fontforge, false)
  AC_CHECK_PROGS(RSVG, rsvg-convert rsvg, false)
  AC_CHECK_PROGS(CONVERT, convert, false)
  AC_CHECK_PROGS(ICOTOOL, icotool, false)
  test "$FONTFORGE" != "false" || AC_MSG_ERROR([You need fontforge to rebuild fonts in maintainer mode.])
  test "$RSVG" != "false" || AC_MSG_ERROR([You need rsvg to rebuild icons in maintainer mode.])

  dnl Check the imagemagick version
  if test "$CONVERT" = false
  then
    AC_MSG_ERROR([You need imagemagick to rebuild icons in maintainer mode.])
  else
    AC_MSG_CHECKING([for recent enough imagemagick])
    convert_version=`convert --version | head -n1`
    if test "x$convert_version" != "x"
    then
      convert_version_major=`expr "$convert_version" : '.* \([[0-9]]*\)\.[[0-9]]*'`
      convert_version_minor=`expr "$convert_version" : '.* [[0-9]]*\.\([[0-9]]*\)'`
      if test "$convert_version_major" -eq 6 -a "$convert_version_minor" -lt 6
      then
        CONVERT=false
      fi
    fi
    if test "$CONVERT" = false
    then
      AC_MSG_RESULT([no ($convert_version_major.$convert_version_minor)])
      AC_MSG_ERROR([You need imagemagick version 6.6 or newer to rebuild icons in maintainer mode.])
    else
      AC_MSG_RESULT([yes ($convert_version_major.$convert_version_minor)])
    fi
  fi

  dnl Check the icotool version
  if test "$ICOTOOL" = false
  then
    AC_MSG_ERROR([You need icotool to rebuild icons in maintainer mode.])
  else
    AC_MSG_CHECKING([for recent enough icotool])
    icotool_version=`icotool --version | head -n1`
    if test "x$icotool_version" != "x"
    then
      icotool_version_major=`expr "$icotool_version" : '.* \([[0-9]]*\)\.[[0-9]]*'`
      icotool_version_minor=`expr "$icotool_version" : '.* [[0-9]]*\.\([[0-9]]*\)'`
      if test "$icotool_version_major" -eq 0 -a "$icotool_version_minor" -lt 29
      then
        ICOTOOL=false
        WINE_WARNING([icotool version 0.29.0 or newer is needed to rebuild icons.])
      fi
    fi
    if test "$ICOTOOL" = false
    then
      AC_MSG_RESULT([no ($icotool_version_major.$icotool_version_minor)])
      AC_MSG_ERROR([You need icotool version 0.29.0 or newer to rebuild icons in maintainer mode.])
    else
      AC_MSG_RESULT([yes ($icotool_version_major.$icotool_version_minor)])
    fi
  fi

  dnl Maintainer mode requires gettext
  with_gettext=yes
  with_gettextpo=yes

  dnl Maintainer mode wants -Werror
  enable_werror=yes
test "x$with_gettext" != xno || MSGFMT=false
  AC_CACHE_CHECK([whether msgfmt supports contexts],wine_cv_msgfmt_contexts,
  [cat >conftest.po <<EOF
# comment
msgctxt "ctxt"
msgid "id"
msgstr "str"
EOF
  if $MSGFMT -o /dev/null conftest.po 2>&AS_MESSAGE_LOG_FD
  then
    wine_cv_msgfmt_contexts=yes
    wine_cv_msgfmt_contexts=no
  fi])
  test $wine_cv_msgfmt_contexts != no || MSGFMT=false
WINE_WARNING_WITH(gettext,[test "$MSGFMT" = false],
                  [gettext tools not found (or too old), translations won't be built.],
                  [enable_po])
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dnl **** Check for some libraries ****

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dnl Check for -li386 for NetBSD and OpenBSD
AC_CHECK_LIB(i386,i386_set_ldt,[AC_SUBST(I386_LIBS, "-li386")])
AC_SUBST(OPENGL_LIBS,"")
	AL/al.h \
	ApplicationServices/ApplicationServices.h \
	CoreAudio/CoreAudio.h \
	DiskArbitration/DiskArbitration.h \
	IOKit/hid/IOHIDLib.h \
	Security/Security.h \
	SystemConfiguration/SCDynamicStoreCopyDHCPInfo.h \
	SystemConfiguration/SCNetworkConfiguration.h \
	asm/types.h \
	linux/input.h \
	linux/ioctl.h \
	linux/major.h \
	linux/param.h \
	linux/serial.h \
	linux/types.h \
	lwp.h \
	mach-o/loader.h \
	machine/sysarch.h \
	mntent.h \
	netdb.h \
	netinet/in.h \
	netinet/in_systm.h \
	netinet/tcp.h \
	netinet/tcp_fsm.h \
	pcap/pcap.h \
	sched.h \
	scsi/scsi.h \
	scsi/scsi_ioctl.h \
	sys/filio.h \
	sys/ipc.h \
	sys/link.h \
	sys/modem.h \
	sys/scsiio.h \
	sys/shm.h \
	sys/signal.h \
	sys/sockio.h \
	sys/statvfs.h \
	sys/strtio.h \
	sys/syscall.h \
	sys/vnode.h \
	valgrind/memcheck.h \
dnl **** Checks for headers that depend on other ones ****

AC_CHECK_HEADERS([sys/conf.h sys/mount.h sys/statfs.h sys/user.h sys/vfs.h],,,
dnl check for broken Linux sysctl.h that causes deprecation warnings
saved_sysctl_h_CFLAGS=$CFLAGS
test "x${GCC}" != xyes || CFLAGS="$CFLAGS -Werror"
AC_CHECK_HEADERS([sys/sysctl.h],,,
    [#include <sys/types.h>
     #ifdef HAVE_SYS_PARAM_H
     # include <sys/param.h>
     #endif])
CFLAGS=$saved_sysctl_h_CFLAGS

AC_CHECK_HEADERS(\
	netinet/ip.h \
	net/if.h \
	net/if_arp.h \
	net/if_dl.h \
	net/if_types.h \
	net/route.h \
	netinet/if_ether.h \
	netinet/in_pcb.h \
	netinet/ip_icmp.h \
	netinet/ip_var.h \
	netinet/udp.h \
     # include <sys/socketvar.h>
     #ifdef HAVE_NET_ROUTE_H
     # include <net/route.h>
     #endif
     #ifdef HAVE_NETINET_IN_SYSTM_H
     # include <netinet/in_systm.h>
     #endif
     #ifdef HAVE_NET_IF_H
     # include <net/if.h>
     #endif
     #ifdef HAVE_NETINET_IP_H
     # include <netinet/ip.h>
AC_CHECK_HEADERS([netinet/udp_var.h netinet/icmp_var.h netinet/icmp6.h netinet/tcp_var.h ],,,
    [#include <sys/types.h>
     # include <sys/socketvar.h>
     #endif
     # include <netinet/in.h>
     #endif
     #ifdef HAVE_NETINET_IN_SYSTM_H
     # include <netinet/in_systm.h>
     #endif
     #ifdef HAVE_NETINET_IP_H
     # include <netinet/ip.h>
     #endif
     #ifdef HAVE_NETINET_IP_VAR_H
     # include <netinet/ip_var.h>
     #endif
     #ifdef HAVE_NETINET_IP_ICMP_H
     # include <netinet/ip_icmp.h>
     #endif
     #ifdef HAVE_NETINET_UDP_H
     # include <netinet/udp.h>
     #endif
     #ifdef HAVE_NETINET_TCP_H
     # include <netinet/tcp.h>
     #endif])
AC_CHECK_HEADERS([linux/ipx.h linux/irda.h linux/rtnetlink.h],,,
    [#include <sys/types.h>
     #ifdef HAVE_ASM_TYPES_H
     # include <asm/types.h>
     #endif
     #ifdef HAVE_LINUX_TYPES_H
     # include <linux/types.h>
AC_CHECK_HEADERS([resolv.h],,,
    [#include <sys/types.h>
AC_CHECK_HEADERS([ifaddrs.h],,,[#include <sys/types.h>])

AC_CHECK_HEADERS(sys/ucontext.h,,,[#include <signal.h>])
AC_CHECK_HEADERS([sys/thr.h],,,
[#include <sys/types.h>
#ifdef HAVE_SYS_UCONTEXT_H
#include <sys/ucontext.h>
AC_CHECK_HEADERS([pthread_np.h],,,
[#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#endif])

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AC_CHECK_HEADERS([linux/videodev2.h],,,
#include <sys/types.h>
#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif])

AC_CHECK_HEADERS([libprocstat.h],,,
[#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_QUEUE_H
#include <sys/queue.h>
#endif])

AC_SUBST(LDDLLFLAGS,"")
AC_SUBST(UNIXDLLFLAGS,"-fPIC")
AC_SUBST(UNIXLDFLAGS,["-shared -Wl,-Bsymbolic -Wl,-soname,\$(UNIXLIB)"])
AC_SUBST(TOP_INSTALL_LIB,"")
AC_SUBST(TOP_INSTALL_DEV,"")
AC_SUBST(WINEPRELOADER_LDFLAGS,"")
wine_binary="wine"
test "x$enable_win64" != "xyes" || wine_binary="wine64"
AC_SUBST(WINELOADER_PROGRAMS,"$wine_binary")
libwine_soversion=`expr $libwine_version : '\([[0-9]]*\)\..*'`
case $host_os in
  cygwin*|mingw32*)
    AC_CHECK_TOOL(DLLTOOL,dlltool,false)
    dnl Disable stdcall fixups to catch prototype mismatches
    case $host_cpu in
      *i[[3456]]86*) WINE_TRY_CFLAGS([-Wl,--disable-stdcall-fixup],
                                     [LDDLLFLAGS="-Wl,--disable-stdcall-fixup"]) ;;
    dnl Disable modules that can't be used on Windows
    enable_loader=${enable_loader:-no}
    enable_server=${enable_server:-no}
    dnl Disable dependencies that are not useful on Windows
    with_x=${with_x:-no}
    with_pthread=${with_pthread:-no}
    AC_LANG_PUSH([Objective C])
        AC_CHECK_HEADERS(Metal/Metal.h)
    AC_LANG_POP([Objective C])
    AC_SUBST(COREFOUNDATION_LIBS,"-framework CoreFoundation")
    AC_SUBST(IOKIT_LIBS,"-framework IOKit -framework CoreFoundation")
    AC_SUBST(APPLICATIONSERVICES_LIBS,"-framework ApplicationServices")
    AC_SUBST(CORESERVICES_LIBS,"-framework CoreServices")
    AC_SUBST(APPKIT_LIBS,"-framework AppKit")
    AC_SUBST(SYSTEMCONFIGURATION_LIBS,"-framework SystemConfiguration")
    WINELOADER_LDFLAGS="-Wl,-pie,-segalign,0x1000,-pagezero_size,0x1000,-sectcreate,__TEXT,__info_plist,loader/wine_info.plist"
    WINEPRELOADER_LDFLAGS="-nostartfiles -nodefaultlibs -e _start -ldylib1.o -Wl,-image_base,0x7d400000,-segalign,0x1000,-pagezero_size,0x1000,-sectcreate,__TEXT,__info_plist,loader/wine_info.plist,-segaddr,WINE_4GB_RESERVE,0x100000000"
    WINE_TRY_CFLAGS([-Wl,-no_new_main -e _main],
                    [WINEPRELOADER_LDFLAGS="-Wl,-no_new_main $WINEPRELOADER_LDFLAGS"
                     WINE_TRY_CFLAGS([-Wl,-no_new_main -e _main -mmacosx-version-min=10.7 -nostartfiles -nodefaultlibs],
                                     [WINEPRELOADER_LDFLAGS="-mmacosx-version-min=10.7 $WINEPRELOADER_LDFLAGS"],
                                     [wine_can_build_preloader=no])],
                    [WINE_TRY_CFLAGS([-mmacosx-version-min=10.7 -nostartfiles -nodefaultlibs],
                                     [WINEPRELOADER_LDFLAGS="-mmacosx-version-min=10.7 $WINEPRELOADER_LDFLAGS"],
                                     [wine_can_build_preloader=no])])
    if test "$wine_can_build_preloader" = "yes"
    then
        WINE_TRY_CFLAGS([-Wl,-no_pie],
                        [WINEPRELOADER_LDFLAGS="-Wl,-no_pie $WINEPRELOADER_LDFLAGS"])
        test "$wine_binary" = wine || WINE_IGNORE_FILE("loader/wine-preloader")
        WINELOADER_PROGRAMS="$WINELOADER_PROGRAMS $wine_binary-preloader"
    else
        WINE_WARNING([can't build Wine preloader; many programs won't work])
    fi
    if test "$ac_cv_header_DiskArbitration_DiskArbitration_h" = "yes"
    then
        dnl DiskArbitration API is not public on Darwin < 8.0, use it only if header found
        AC_SUBST(DISKARBITRATION_LIBS,"-framework DiskArbitration -framework CoreFoundation")
    if test "$ac_cv_header_Security_Security_h" = "yes"
    then
        AC_SUBST(SECURITY_LIBS,"-framework Security -framework CoreFoundation")
    if test "$ac_cv_header_CoreAudio_CoreAudio_h" = "yes"
        AC_SUBST(COREAUDIO_LIBS,"-framework CoreFoundation -framework CoreAudio -framework AudioUnit -framework AudioToolbox -framework CoreMIDI")
        enable_winecoreaudio_drv=${enable_winecoreaudio_drv:-yes}
    if test "$ac_cv_header_OpenAL_al_h" = "yes"
    then
        AC_DEFINE_UNQUOTED(HAVE_OPENAL,1,[Define to 1 if OpenAL is available])
        ac_cv_lib_openal=yes
    if test "$ac_cv_header_OpenCL_opencl_h" = "yes"
    then
        ac_cv_lib_OpenCL_clGetPlatformInfo=yes
    fi
    if test "$ac_cv_header_IOKit_hid_IOHIDLib_h" = "yes"
    then
        ac_save_LIBS="$LIBS"
        AC_CHECK_FUNCS(IOHIDManagerCreate)
        LIBS="$ac_save_LIBS"
    fi
    if test "$ac_cv_header_Metal_Metal_h" = "yes"
    then
        AC_SUBST(METAL_LIBS,"-framework Metal")
    dnl Check for MTLDevice registryID property
    if test "$ac_cv_header_Metal_Metal_h" = "yes"
    then
        AC_MSG_CHECKING([whether MTLDevice protocol supports registryID property])
        AC_LANG_PUSH([Objective C])
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Metal/Metal.h>]], [[id<MTLDevice> device; device.registryID;]])],
                              [AC_MSG_RESULT(yes)
                               AC_DEFINE(HAVE_MTLDEVICE_REGISTRYID, 1, [Define if MTLDevice protocol has registryID property.])],
                              [AC_MSG_RESULT(no)])
        AC_LANG_POP([Objective C])
    fi

    dnl Enable Mac driver on Mac OS X 10.6 or later
    if test "$ac_cv_header_ApplicationServices_ApplicationServices_h" = "yes"
    then
        ac_save_LIBS="$LIBS"
        AC_CHECK_FUNC(CGDisplayModeGetWidth,enable_winemac_drv=${enable_winemac_drv:-yes})
        LIBS="$ac_save_LIBS"
    fi

    UNIXLDFLAGS="-dynamiclib -install_name @rpath/\$(UNIXLIB) -Wl,-rpath,@loader_path\/"
    AC_SUBST(LIBWINE_SHAREDLIB,"libwine.$libwine_version.dylib")
    AC_SUBST(LIBWINE_LDFLAGS,["-dynamiclib -install_name @rpath/libwine.$libwine_soversion.dylib -Wl,-rpath,@loader_path/ -compatibility_version $libwine_soversion -current_version $libwine_version"])
    AC_SUBST(WINELOADER_DEPENDS,"wine_info.plist")
    TOP_INSTALL_LIB="$TOP_INSTALL_LIB libs/wine/libwine.$libwine_version.dylib libs/wine/libwine.$libwine_soversion.dylib"
    AC_DEFINE(_GNU_SOURCE,1,[Define to 1 to enable GNU extensions on Linux])
    LDEXECFLAGS="-Wl,-pie"
    enable_wineandroid_drv=${enable_wineandroid_drv:-yes}
    WINE_TRY_CFLAGS([-Wl,-z,defs],[UNIXLDFLAGS="$UNIXLDFLAGS -Wl,-z,defs"])
    WINE_TRY_CFLAGS([-fPIC -Wl,--export-dynamic],[WINELOADER_LDFLAGS="-Wl,--export-dynamic"])
    WINEPRELOADER_LDFLAGS="-static -nostartfiles -nodefaultlibs -Wl,-Ttext=0x7d400000"
    WINE_CHECK_SONAME(EGL,eglGetProcAddress)
    WINE_CHECK_SONAME(GLESv2,glFlush)

    if test "x$exec_prefix" = xNONE
    then
      case $host_cpu in
        *i[[3456]]86*) exec_prefix='${prefix}/x86' ;;
        *x86_64*)      exec_prefix='${prefix}/x86_64' ;;
        *arm*)         exec_prefix='${prefix}/armeabi-v7a' ;;
        *aarch64*)     exec_prefix='${prefix}/arm64-v8a' ;;
      esac
    fi
    AC_DEFINE(_GNU_SOURCE,1,[Define to 1 to enable GNU extensions on Linux])
    test "$ac_cv_sys_file_offset_bits" = 64 && AC_DEFINE(_TIME_BITS,64,[Define to 64 to enable 64-bit time_t on Linux])
    case $host_cpu in
      *i[[3456789]]86*)
        DLLFLAGS="$DLLFLAGS -fno-PIC"
        LDDLLFLAGS="-fno-PIC"
        WINE_TRY_CFLAGS([-fno-PIC -Wl,-z,notext],[LDDLLFLAGS="$LDDLLFLAGS -Wl,-z,notext"])
        ;;
        DLLFLAGS="$DLLFLAGS -fPIC"
        LDDLLFLAGS="-fPIC" ;;
    LIBWINE_LDFLAGS="-shared -Wl,-soname,libwine.so.$libwine_soversion"
    echo '{ global: *; };' >conftest.map
    WINE_TRY_CFLAGS([-shared -Wl,--version-script=conftest.map],
                    [LIBWINE_LDFLAGS="$LIBWINE_LDFLAGS -Wl,--version-script=\$(srcdir)/wine.map"])
    rm -f conftest.map
    WINE_TRY_CFLAGS([-Wl,-z,defs],[UNIXLDFLAGS="$UNIXLDFLAGS -Wl,-z,defs"])
    WINE_TRY_CFLAGS([-Wl,--export-dynamic],[WINELOADER_LDFLAGS="-Wl,--export-dynamic"])
    WINEPRELOADER_LDFLAGS="-static -nostartfiles -nodefaultlibs -Wl,-Ttext=0x7d400000"
    case $host_cpu in
      *i[[3456789]]86* | x86_64 | *aarch64* | arm*)
        WINE_TRY_CFLAGS([-Wl,-Ttext-segment=0x7bc00000],
                        [case $host_os in
                         freebsd* | kfreebsd*-gnu) WINELOADER_LDFLAGS="$WINELOADER_LDFLAGS -Wl,-Ttext-segment=0x60000000" ;;
                         *) WINELOADER_LDFLAGS="$WINELOADER_LDFLAGS -Wl,-Ttext-segment=0x7d000000" ;;
                         esac],
                        [WINE_TRY_CFLAGS([-Wl,--section-start,.interp=0x7d000400],
                                         [case $host_os in
                                            freebsd* | kfreebsd*-gnu) WINELOADER_LDFLAGS="$WINELOADER_LDFLAGS -Wl,--section-start,.interp=0x60000400" ;;
                                            *) WINELOADER_LDFLAGS="$WINELOADER_LDFLAGS -Wl,--section-start,.interp=0x7d000400" ;;
                                         esac])
                         AC_PATH_PROG(PRELINK, prelink, false, [/sbin /usr/sbin $PATH])
                         if test "x$PRELINK" = xfalse
                         then
                             WINE_WARNING([prelink not found and linker does not support relocation, base address of core dlls won't be set correctly.])
                         fi])
        WINE_TRY_CFLAGS([-Wl,-z,max-page-size=0x1000],
                        [WINELOADER_LDFLAGS="$WINELOADER_LDFLAGS -Wl,-z,max-page-size=0x1000"])
        ;;
    esac
    AC_SUBST(LIBWINE_SHAREDLIB,"libwine.so.$libwine_version")
    AC_SUBST(LIBWINE_DEPENDS,"wine.map")
    TOP_INSTALL_LIB="$TOP_INSTALL_LIB libs/wine/libwine.so.$libwine_version libs/wine/libwine.so.$libwine_soversion"
enable_winecoreaudio_drv=${enable_winecoreaudio_drv:-no}
enable_wineandroid_drv=${enable_wineandroid_drv:-no}
enable_winemac_drv=${enable_winemac_drv:-no}
dnl Check for cross compiler to build test programs
    case "x$with_mingw" in
      x|xyes) WINE_CHECK_MINGW_PROG(CROSSCC,false) ;;
      *) CROSSCC=$with_mingw ;;
    esac
        AC_SUBST(CROSSCFLAGS,${CROSSCFLAGS:-"-g -O2"})
        AC_SUBST(EXTRACROSSCFLAGS,"-D__WINE_PE_BUILD -Wall")
        AC_SUBST(CROSSLDFLAGS)
        AC_CACHE_CHECK([whether $CROSSCC works], wine_cv_crosscc,
            [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],[wine_cv_crosscc=yes],[wine_cv_crosscc=no])])
        if test $wine_cv_crosscc = yes
        then
            set x $CROSSCC
            shift
            while test $# -ge 1
            do
                case "$1" in
                    *-gcc) CROSSTARGET=`expr "$1" : '\(.*\)-gcc'` ;;
                    *-clang) CROSSTARGET=`expr "$1" : '\(.*\)-clang'` ;;
                esac
                shift
            done

            dnl Check if cross compiler supports -target argument
            llvm_target=$CROSSTARGET
            if test -z "$llvm_target"
            then
                case $host_cpu in
                *i[[3456789]]86*) llvm_target=i686-windows ;;
                *) llvm_target=$host_cpu-windows ;;
            case $llvm_target in
            *windows) llvm_cflags="$llvm_cflags -Wl,-subsystem:console" ;;
            esac
            WINE_TRY_CROSSCFLAGS([-target $llvm_target $llvm_cflags],
                                 [CROSSTARGET=$llvm_target
                                  EXTRACROSSCFLAGS="$EXTRACROSSCFLAGS -target $CROSSTARGET"
                                  CFLAGS="$CFLAGS $llvm_cflags"])
        AC_MSG_CHECKING([for $CROSSCC option to enable C99 features])
        AC_CACHE_VAL([wine_cv_crosscc_c99],
            [wine_cv_crosscc_c99=no
             for arg in '' '-std=gnu99'
             do
                 CC="$CROSSCC $arg"
                 AC_COMPILE_IFELSE([AC_LANG_SOURCE([$ac_c_conftest_c99_program])],
                                   [wine_cv_crosscc_c99=$arg],[wine_cv_crosscc_c99=no])
                 test "x$wine_cv_crosscc_c99" != xno && break
             done])
        case "x$wine_cv_crosscc_c99" in
          x) AC_MSG_RESULT([none needed]) ;;
          xno) AC_MSG_RESULT([unsupported]) ;;
          x*) AC_MSG_RESULT([$wine_cv_crosscc_c99])
              CROSSCC="$CROSSCC $wine_cv_crosscc_c99" ;;
        esac

        WINE_TRY_CROSSCFLAGS([-fno-strict-aliasing])
        dnl clang needs to be told to fail on unknown options
        WINE_TRY_CROSSCFLAGS([-Werror=unknown-warning-option],[CFLAGS="$CFLAGS -Werror=unknown-warning-option"])
        WINE_TRY_CROSSCFLAGS([-Werror=ignored-optimization-argument],[CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"])
        WINE_TRY_CROSSCFLAGS([-Wdeclaration-after-statement])
        WINE_TRY_CROSSCFLAGS([-Wempty-body])
        WINE_TRY_CROSSCFLAGS([-Wignored-qualifiers])
        WINE_TRY_CROSSCFLAGS([-Winit-self])
        WINE_TRY_CROSSCFLAGS([-Wpacked-not-aligned],[EXTRACROSSCFLAGS="$EXTRACROSSCFLAGS -Wno-packed-not-aligned"])
        WINE_TRY_CROSSCFLAGS([-Wpragma-pack],[EXTRACROSSCFLAGS="$EXTRACROSSCFLAGS -Wno-pragma-pack"])
        WINE_TRY_CROSSCFLAGS([-Wshift-overflow=2])
        WINE_TRY_CROSSCFLAGS([-Wstrict-prototypes])
        WINE_TRY_CROSSCFLAGS([-Wtype-limits])
        WINE_TRY_CROSSCFLAGS([-Wunused-but-set-parameter])
        WINE_TRY_CROSSCFLAGS([-Wvla])
        WINE_TRY_CROSSCFLAGS([-Wwrite-strings])
        WINE_TRY_CROSSCFLAGS([-Wpointer-arith])
        WINE_TRY_CROSSCFLAGS([-Wlogical-op])
        WINE_TRY_CROSSCFLAGS([-Wabsolute-value])

        case $host_cpu in
          *i[[3456789]]86*) WINE_TRY_CROSSCFLAGS([-fno-omit-frame-pointer]) ;;
          x86_64) WINE_TRY_CROSSCFLAGS([-Wno-format])
                  WINE_TRY_CROSSCFLAGS([-Wformat-overflow])
                  WINE_TRY_CROSSCFLAGS([-Wnonnull])
                  WINE_TRY_CROSSCFLAGS([-mcx16]) ;;
          aarch64) WINE_TRY_CROSSCFLAGS([-Wno-format]) ;;
        dnl Determine debug info format
        AC_SUBST(CROSSDEBUG)
        if test -z "$CROSSDEBUG"
        then
          for ac_flag in $CROSSCFLAGS; do
            case $ac_flag in
             -gdwarf*)    CROSSDEBUG=dwarf ;;
             -gcodeview)  CROSSDEBUG=pdb ;;
             -g)          CROSSDEBUG=${CROSSDEBUG:-dwarf} ;;
            esac
          done
        fi

        ac_debug_format_seen=""
        for ac_flag in $CROSSCFLAGS; do
          case $ac_flag in
           -gdwarf*|-gcodeview)  ac_debug_format_seen=$ac_flag ;;
          esac
        done
        if test "x$ac_debug_format_seen" = x
        then
          case $CROSSDEBUG in
            *dwarf)  WINE_TRY_CROSSCFLAGS([-gdwarf-4]) ;;
            pdb)     WINE_TRY_CROSSCFLAGS([-gcodeview]) ;;
          esac
        fi
        WINE_TRY_CROSSCFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])

        if test "x$enable_werror" = "xyes"
        then
            WINE_TRY_CROSSCFLAGS([-Werror])
        fi
        if test "x$enable_build_id" = "xyes"
        then
            WINE_TRY_CROSSCFLAGS([-Wl,--build-id], [CROSSCFLAGS="$CROSSCFLAGS -Wl,--build-id"
                            CROSSLDFLAGS="$CROSSLDFLAGS -Wl,--build-id"])
        fi