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

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dnl Check for LIBPOWERMAN compiler flags. On success, set nut_have_libpowerman="yes"
dnl and set LIBPOWERMAN_CFLAGS and LIBPOWERMAN_LDFLAGS. 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 "${nut_have_libpowerman_seen}"; then
nut_have_libpowerman_seen=yes
dnl save CFLAGS and LDFLAGS
CFLAGS_ORIG="${CFLAGS}"
LDFLAGS_ORIG="${LDFLAGS}"
AC_MSG_CHECKING(for libpowerman cflags)
AC_ARG_WITH(powerman-includes, [
AC_HELP_STRING([--with-powerman-includes=CFLAGS], [include flags for the libpowerman library])
], [CFLAGS="${withval}"], [CFLAGS="`pkg-config --silence-errors --cflags libpowerman`"])
AC_MSG_RESULT([${CFLAGS}])
AC_MSG_CHECKING(for libpowerman libs)
AC_ARG_WITH(powerman-libs, [
AC_HELP_STRING([--with-powerman-libs=LDFLAGS], [linker flags for the libpowerman library])
], [LDFLAGS="${withval}"], [LDFLAGS="`pkg-config --silence-errors --libs libpowerman`"])
AC_MSG_RESULT([${LDFLAGS}])
dnl check if libpowerman is usable
AC_CHECK_HEADERS(libpowerman.h, [nut_have_libpowerman=yes], [nut_have_libpowerman=no], [AC_INCLUDES_DEFAULT])
AC_CHECK_FUNCS(pm_connect, [], [nut_have_libpowerman=no])
if test "${nut_have_libpowerman}" = "yes"; then
LIBPOWERMAN_CFLAGS="${CFLAGS}"
LIBPOWERMAN_LDFLAGS="${LDFLAGS}"
fi
dnl restore original CFLAGS and LDFLAGS
CFLAGS="${CFLAGS_ORIG}"
LDFLAGS="${LDFLAGS_ORIG}"
fi
])