nut/m4/nut_check_libpowerman.m4
2011-01-26 10:35:08 +01:00

59 lines
1.7 KiB
Text

dnl Check for LIBPOWERMAN compiler flags. On success, set nut_have_libpowerman="yes"
dnl and set LIBPOWERMAN_CFLAGS and LIBPOWERMAN_LIBS. On failure, set
dnl nut_have_libpowerman="no". This macro can be run multiple times, but will
dnl do the checking only once.
AC_DEFUN([NUT_CHECK_LIBPOWERMAN],
[
if test -z "${nut_have_libpowerman_seen}"; then
nut_have_libpowerman_seen=yes
dnl save CFLAGS and LIBS
CFLAGS_ORIG="${CFLAGS}"
LIBS_ORIG="${LIBS}"
AC_MSG_CHECKING(for libpowerman cflags)
AC_ARG_WITH(powerman-includes,
AS_HELP_STRING([@<:@--with-powerman-includes=CFLAGS@:>@], [include flags for the libpowerman library]),
[
case "${withval}" in
yes|no)
AC_MSG_ERROR(invalid option --with(out)-powerman-includes - see docs/configure.txt)
;;
*)
CFLAGS="${withval}"
;;
esac
], [CFLAGS="`pkg-config --silence-errors --cflags libpowerman 2>/dev/null`"])
AC_MSG_RESULT([${CFLAGS}])
AC_MSG_CHECKING(for libpowerman libs)
AC_ARG_WITH(powerman-libs,
AS_HELP_STRING([@<:@--with-powerman-libs=LIBS@:>@], [linker flags for the libpowerman library]),
[
case "${withval}" in
yes|no)
AC_MSG_ERROR(invalid option --with(out)-powerman-libs - see docs/configure.txt)
;;
*)
LIBS="${withval}"
;;
esac
], [LIBS="`pkg-config --silence-errors --libs libpowerman 2>/dev/null`"])
AC_MSG_RESULT([${LIBS}])
dnl check if libpowerman is usable
AC_CHECK_HEADERS(libpowerman.h, [nut_have_libpowerman=yes], [nut_have_libpowerman=no], [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS(pm_connect, [], [nut_have_libpowerman=no])
if test "${nut_have_libpowerman}" = "yes"; then
LIBPOWERMAN_CFLAGS="${CFLAGS}"
LIBPOWERMAN_LIBS="${LIBS}"
fi
dnl restore original CFLAGS and LIBS
CFLAGS="${CFLAGS_ORIG}"
LIBS="${LIBS_ORIG}"
fi
])