nut/m4/nut_check_libhal.m4
2010-03-26 00:20:59 +01:00

138 lines
4.5 KiB
Text

dnl Check for LIBHAL compiler flags. On success, set nut_have_libhal="yes"
dnl and set LIBHAL_CFLAGS and LIBHAL_LDFLAGS. On failure, set
dnl nut_have_libhal="no". This macro can be run multiple times, but will
dnl do the checking only once.
dnl NUT requires HAL version 0.5.8 at least
AC_DEFUN([NUT_CHECK_LIBHAL],
[
if test -z "${nut_have_libhal_seen}"; then
nut_have_libhal_seen=yes
CFLAGS_ORIG="${CFLAGS}"
LDFLAGS_ORIG="${LDFLAGS}"
AC_MSG_CHECKING(for libhal version via pkg-config (0.5.8 minimum required))
HAL_VERSION=`pkg-config --silence-errors --modversion hal`
if test "$?" = "0"; then
if pkg-config --atleast-version=0.5.8 hal; then
AC_MSG_RESULT(${HAL_VERSION} found)
nut_have_libhal=yes
dnl also get cflags from glib-2.0 to workaround a bug in dbus-glib
AC_MSG_CHECKING(for libhal cflags via pkg-config)
CFLAGS=`pkg-config --silence-errors --cflags hal dbus-glib-1`
if test "$?" = "0"; then
AC_MSG_RESULT(${CFLAGS})
else
AC_MSG_RESULT(not found)
nut_have_libhal=no
fi
dnl also get libs from glib-2.0 to workaround a bug in dbus-glib
AC_MSG_CHECKING(for libhal ldflags via pkg-config)
LDFLAGS=`pkg-config --silence-errors --libs hal dbus-glib-1`
if test "$?" = "0"; then
AC_MSG_RESULT(${LDFLAGS})
else
AC_MSG_RESULT(not found)
nut_have_libhal=no
fi
else
AC_MSG_RESULT(${HAL_VERSION} is too old)
nut_have_libhal=no
fi
else
AC_MSG_RESULT(not found)
nut_have_libhal=check
fi
dnl try again using defaults if pkg-config is not available
if test "${nut_have_libhal}" = "check"; then
CFLAGS="-DDBUS_API_SUBJECT_TO_CHANGE -I/usr/include/hal -I/usr/include/dbus-1.0 -I/usr/lib/dbus-1.0/include"
LDFLAGS="-lhal -ldbus-1 -lpthread"
AC_CHECK_HEADERS(libhal.h, [nut_have_libhal=yes], [nut_have_libhal=no], [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS(libhal_device_new_changeset, [], [nut_have_libhal=no])
fi
if test "${nut_have_libhal}" = "yes"; then
LIBHAL_CFLAGS="${CFLAGS}"
LIBHAL_LDFLAGS="${LDFLAGS}"
dnl this will only work as of HAL 0.5.9
AC_MSG_CHECKING(for libhal user via pkg-config)
HAL_USER=`pkg-config --silence-errors --variable=haluser hal`
if test -n "$HAL_USER"; then
AC_MSG_RESULT(${HAL_USER})
else
HAL_USER="haldaemon"
AC_MSG_RESULT(using default (${HAL_USER}))
fi
AC_DEFINE_UNQUOTED(HAL_USER, "${HAL_USER}", [HAL user])
dnl the device match key changed with HAL 0.5.11
AC_MSG_CHECKING(for hal-${HAL_VERSION} device match key)
HAL_DEVICE_MATCH_KEY=`pkg-config --silence-errors --atleast-version=0.5.11 hal`
if test "$?" != "0"; then
HAL_DEVICE_MATCH_KEY="info.bus"
else
HAL_DEVICE_MATCH_KEY="info.subsystem"
fi
AC_MSG_RESULT(${HAL_DEVICE_MATCH_KEY})
AC_DEFINE_UNQUOTED(HAL_DEVICE_MATCH_KEY, "${HAL_DEVICE_MATCH_KEY}", [HAL device match key])
dnl Determine installation paths for callout and .fdi
dnl As per HAL spec, §5 Callouts and §2 Device Information Files
dnl - addon install path: $libdir/hal
AC_MSG_CHECKING(for libhal Callouts path)
HAL_CALLOUTS_PATH=`pkg-config --silence-errors --variable=libexecdir hal`
if test -n "$HAL_CALLOUTS_PATH"; then
AC_MSG_RESULT(${HAL_CALLOUTS_PATH})
else
# fallback to detecting the right path
if (test -d "${libdir}/hal"); then
# For Debian
HAL_CALLOUTS_PATH="${libdir}/hal"
AC_MSG_RESULT(${HAL_CALLOUTS_PATH})
elif (test -d "/usr/libexec"); then
# For RedHat
HAL_CALLOUTS_PATH="${libexecdir}"
AC_MSG_RESULT(${HAL_CALLOUTS_PATH})
elif (test -d "/usr/lib/hal"); then
# For OpenSUSE
HAL_CALLOUTS_PATH="${libdir}/hal"
AC_MSG_RESULT(${HAL_CALLOUTS_PATH})
else
# FIXME
HAL_CALLOUTS_PATH="${libdir}/hal"
AC_MSG_RESULT(using default (${HAL_CALLOUTS_PATH}))
fi
fi
dnl - fdi install path: $datarootdir/hal/fdi/information/20thirdparty
AC_MSG_CHECKING(for libhal Device Information path)
HAL_FDI_PATH=`pkg-config --silence-errors --variable=hal_fdidir hal`
if test -n "$HAL_FDI_PATH"; then
HAL_FDI_PATH="${HAL_FDI_PATH}/information/20thirdparty"
AC_MSG_RESULT(${HAL_FDI_PATH})
else
# seems supported everywhere
HAL_FDI_PATH="${datarootdir}/hal/fdi/information/20thirdparty"
AC_MSG_RESULT(${HAL_FDI_PATH})
fi
fi
CFLAGS="${CFLAGS_ORIG}"
LDFLAGS="${LDFLAGS_ORIG}"
dnl - test for g_timeout_add_seconds availability
AC_MSG_CHECKING([if GLib is version 2.14.0 or newer])
if pkg-config --silence-errors --atleast-version=2.14.0 glib-2.0; then
AC_DEFINE(HAVE_GLIB_2_14, 1, [Define to 1 if GLib is version 2.14 or newer])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
])