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dnl Blah blah standard autoconf
AC_INIT(Makefile.in)
dnl Host type
AC_CANONICAL_HOST
dnl Check for standard tools
AC_PROG_CC
# Liberated from ethereal's configure.in
#
# Add any platform-specific compiler flags needed.
#
AC_MSG_CHECKING(for platform-specific compiler flags)
if test "x$GCC" = x
then
#
# Not GCC - assume it's the vendor's compiler.
#
case "$host_os" in
hpux*)
#
# HP's ANSI C compiler; flags suggested by Jost Martin.
# "-Ae" for ANSI C plus extensions such as "long long".
# "+O2", for optimization. XXX - works with "-g"?
#
CFLAGS="-Ae +O2 $CFLAGS"
AC_MSG_RESULT(HP ANSI C compiler - added -Ae +O2)
;;
darwin*)
#
# It may be called "cc", but it's really a GCC derivative
# with a problematic special precompiler and precompiled
# headers; turn off the special precompiler, as some
# apparently-legal code won't compile with its precompiled
# headers.
#
CFLAGS="-no-cpp-precomp $CFLAGS"
LIBS="$LIBS -framework IOKit -framework CoreFoundation"
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX)
AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
darwin="yes"
;;
linux*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_LINUX, 1, Compiling for Linux OS)
linux="yes"
;;
freebsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_FREEBSD, 1, Compiling for FreeBSD)
;;
openbsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_OPENBSD, 1, Compiling for OpenBSD)
;;
cygwin*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_CYGWIN, 1, Compiling for Cygwin)
cygwin="yes"
;;
*)
AC_MSG_RESULT(none needed)
;;
esac
else
case "$host_os" in
solaris*)
# the X11 headers don't automatically include prototype info
# and a lot don't include the return type
CFLAGS="$CFLAGS -Wno-return-type -DFUNCPROTO=15"
AC_MSG_RESULT(GCC on Solaris - added -Wno-return-type -DFUNCPROTO=15)
;;
darwin*)
#
# See comments above about Apple's lovely C compiler.
#
CFLAGS="-no-cpp-precomp $CFLAGS"
LIBS="$LIBS -framework IOKit -framework CoreFoundation"
AC_DEFINE(SYS_DARWIN, 1, Compiling for OSX)
AC_MSG_RESULT(Apple GCC - added -no-cpp-precomp)
darwin="yes"
;;
linux*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_LINUX, 1, Compiling for Linux OS)
linux="yes"
;;
freebsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_FREEBSD, 1, Compiling for FreeBSD)
;;
openbsd*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_OPENBSD, 1, Compiling for OpenBSD)
;;
cygwin*)
AC_MSG_RESULT(none needed)
AC_DEFINE(SYS_CYGWIN, 1, Compiling for Cygwin)
cygwin="yes"
;;
*)
AC_MSG_RESULT(none needed)
;;
esac
fi
dnl Check for endian
AC_C_BIGENDIAN
dnl Check for headers and such
AC_HEADER_STDC
TARGETS="spectool_raw spectool_net"
AC_CHECK_HEADERS(stdio.h sys/types.h signal.h sys/socket.h pthread.h)
AC_CHECK_LIB([pthread], [pthread_create], AC_DEFINE(HAVE_LIBPTHREAD, 1, LibPthread)
LIBS="$LIBS -lpthread",
AC_MSG_ERROR(*** Pthreads required. Linking -lpthread failed.))
AC_CHECK_LIB([m], [pow], AC_DEFINE(HAVE_LIBM, 1, LibM)
LIBS="$LIBS -lm",
AC_MSG_ERROR(*** Math lib (libM) required. Linking -lm failed.))
dnl Look for LibUSB and validate its function
AC_CHECK_HEADER([usb.h], ,AC_MSG_ERROR(*** LibUSB required.))
AC_CHECK_LIB([usb], [usb_init], AC_DEFINE(HAVE_LIBUSB, 1, LibUSB) LIBS="$LIBS -lusb",
AC_MSG_ERROR(*** LibUSB required. Linking -lusb failed.))
dnl bsd/osx doesn't have this
AC_CHECK_HEADER([values.h], AC_DEFINE(HAVE_VALUES_H, 1, values.h header))
dnl Look for gtk-2.0
AC_CHECK_PROG(pkggtk2, [pkg-config gtk+-2.0], yes, no)
if test "$pkggtk2" = "yes" -a "$forcegtk" != "1"; then
GTK_CONFIG="pkg-config gtk+-2.0"
GTK2="yes"
else
AC_CHECK_PROG(gtkconf, [gtk-config], yes, no)
if test "$gtkconf" = "yes" -a "$forcegtk" != "2"; then
GTK_CONFIG="gtk-config"
else
AC_MSG_WARN(*** GTK does not appear to be installed. GTK client will not be built.)
fi
fi
dnl Try to link gtk/gdk
if test "$GTK_CONFIG"x != "x"; then
ocfl="$CFLAGS"
olfl="$LIBS"
CFLAGS="$CFLAGS `$GTK_CONFIG --cflags`"
LIBS="$LIBS `$GTK_CONFIG --libs`"
AC_MSG_CHECKING(that we can link gtk/gdk)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <usb.h>
#include <gtk/gtk.h>
]], [[
GdkPixmap *pxm;
]])],
[
AC_MSG_RESULT(yes)
],[
AC_MSG_RESULT(no)
GTK_CONFIG=""
AC_MSG_WARN(*** GTK present but could not link a test program ***)
CFLAGS="$ocfl"
LIBS="$olfl"
])
AC_CHECK_HEADER([cairo.h], , AC_MSG_WARN(*** cairo.h graphics header required for gtk UI) && GTK_CONFIG="")
if test "$GTK_CONFIG"x != "x"; then
AC_DEFINE(HAVE_GTK, 1, we have a gtk ui)
GTKLIBS="$LIBS"
LIBS="$olfl"
if test "$GTK2" = "yes"; then
TARGETS="$TARGETS spectool_gtk"
AC_DEFINE(HAVE_LIB_GTK2, 1, we have libgtk2.x)
else
AC_MSG_WARN(*** Gtk2 + Cairo is now required for the GTK ui)
fi
fi
fi
dnl Look for linux headers and if we can issue a HID release
AC_MSG_CHECKING([for Linux headers with DEVFS_DISCONNECT support])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <linux/usbdevice_fs.h>
#include <errno.h>
]], [[
int io = USBDEVFS_DISCONNECT;
]])],[linux_devfs_discon=yes],[linux_devfs_discon=no])
if test $linux_devfs_discon = "yes"; then
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_LINUX_DEVDISCONNECT, 1, system has HID DEVFS_DISCONNECT)
else
AC_MSG_RESULT([no])
fi
dnl Replace the values
AC_SUBST(TARGETS)
AC_SUBST(GTKLIBS)
AC_SUBST(CURSLIBS)
AC_SUBST(CFLAGS)
AC_CONFIG_HEADER(config.h)
dnl Write it
AC_OUTPUT(Makefile)
echo
echo
echo "*** Configuration complete"
echo "*** Check the configure output if a target you want is not configured."
echo "*** The following targets are configured: "
echo " $TARGETS"
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