nut/m4/nut_check_libfreeipmi.m4

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2011-09-29 18:14:46 +00:00
dnl Check for FreeIPMI (LIBFREEIPMI) compiler flags. On success, set
dnl nut_have_freeipmi="yes" and nut_ipmi_lib="FreeIPMI", and define WITH_IPMI,
dnl WITH_FREEIPMI, LIBIPMI_CFLAGS and LIBIPMI_LIBS. On failure, set
dnl nut_have_freeipmi="no".
dnl This macro can be run multiple times, but will do the checking only once.
AC_DEFUN([NUT_CHECK_LIBFREEIPMI],
[
if test -z "${nut_have_libfreeipmi_seen}"; then
nut_have_libfreeipmi_seen=yes
dnl save CFLAGS and LIBS
CFLAGS_ORIG="${CFLAGS}"
LIBS_ORIG="${LIBS}"
AC_MSG_CHECKING(for FreeIPMI version via pkg-config)
dnl pkg-config support requires Freeipmi 1.0.5, released on Thu Jun 30 2011
dnl but NUT should only require 0.8.5 or 1.0.1 (comment from upstream Al Chu)
FREEIPMI_VERSION="`pkg-config --silence-errors --modversion libfreeipmi 2>/dev/null`"
if test "$?" = "0" -a -n "${FREEIPMI_VERSION}"; then
CFLAGS="`pkg-config --silence-errors --cflags libfreeipmi libipmimonitoring 2>/dev/null`"
LIBS="`pkg-config --silence-errors --libs libfreeipmi libipmimonitoring 2>/dev/null`"
else
FREEIPMI_VERSION="none"
CFLAGS=""
LIBS="-lfreeipmi -lipmimonitoring"
fi
AC_MSG_RESULT(${FREEIPMI_VERSION} found)
dnl allow overriding FreeIPMI settings if the user knows best
AC_MSG_CHECKING(for FreeIPMI cflags)
AC_ARG_WITH(freeipmi-includes,
AS_HELP_STRING([@<:@--with-freeipmi-includes=CFLAGS@:>@], [include flags for the FreeIPMI library]),
[
case "${withval}" in
yes|no)
AC_MSG_ERROR(invalid option --with(out)-freeipmi-includes - see docs/configure.txt)
;;
*)
CFLAGS="${withval}"
;;
esac
], [])
AC_MSG_RESULT([${CFLAGS}])
AC_MSG_CHECKING(for FreeIPMI ldflags)
AC_ARG_WITH(freeipmi-libs,
AS_HELP_STRING([@<:@--with-freeipmi-libs=LIBS@:>@], [linker flags for the FreeIPMI library]),
[
case "${withval}" in
yes|no)
AC_MSG_ERROR(invalid option --with(out)-freeipmi-libs - see docs/configure.txt)
;;
*)
LIBS="${withval}"
;;
esac
], [])
AC_MSG_RESULT([${LIBS}])
dnl check if freeipmi is usable with our current flags
AC_CHECK_HEADERS(freeipmi/freeipmi.h, [nut_have_freeipmi=yes], [nut_have_freeipmi=no], [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADERS(ipmi_monitoring.h, [], [nut_have_freeipmi=no], [AC_INCLUDES_DEFAULT])
AC_SEARCH_LIBS([ipmi_ctx_create], [freeipmi], [], [nut_have_freeipmi=no])
dnl when version cannot be tested (prior to 1.0.5, with no pkg-config)
dnl we have to check for some specific functions
AC_SEARCH_LIBS([ipmi_ctx_find_inband], [freeipmi], [], [nut_have_freeipmi=no])
AC_SEARCH_LIBS([ipmi_fru_parse_ctx_create], [freeipmi], [], [nut_have_freeipmi=no])
AC_SEARCH_LIBS([ipmi_monitoring_init], [ipmimonitoring], [], [nut_have_freeipmi=no])
if test "${nut_have_freeipmi}" = "yes"; then
nut_with_ipmi="yes"
nut_ipmi_lib="(FreeIPMI)"
nut_have_libipmi="yes"
AC_DEFINE(WITH_IPMI, 1, [Define to enable IPMI support])
AC_DEFINE(WITH_FREEIPMI, 1, [Define to enable IPMI support using FreeIPMI])
LIBIPMI_CFLAGS="${CFLAGS}"
LIBIPMI_LIBS="${LIBS}"
fi
dnl restore original CFLAGS and LIBS
CFLAGS="${CFLAGS_ORIG}"
LIBS="${LIBS_ORIG}"
fi
])