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AC_DEFUN([FP_FIND_LIBNUMA],
[
dnl ** Have libnuma?
dnl --------------------------------------------------------------
AC_ARG_WITH([libnuma-libraries],
[AS_HELP_STRING([--with-libnuma-libraries=ARG],
[Find libraries for libnuma in ARG [default=system default]])
],
[
LibNumaLibDir="$withval"
LIBNUMA_LDFLAGS="-L$withval"
])
AC_SUBST(LibNumaLibDir)
AC_ARG_WITH([libnuma-includes],
[AS_HELP_STRING([--with-libnuma-includes=ARG],
[Find includes for libnuma in ARG [default=system default]])
],
[
LibNumaIncludeDir="$withval"
LIBNUMA_CFLAGS="-I$withval"
])
AC_SUBST(LibNumaIncludeDir)
HaveLibNuma=0
AC_ARG_ENABLE(numa,
[AS_HELP_STRING([--enable-numa],
[Enable NUMA memory policy and thread affinity support in the
runtime system via numactl's libnuma [default=auto]])])
if test "$enable_numa" != "no" ; then
CFLAGS2="$CFLAGS"
CFLAGS="$LIBNUMA_CFLAGS $CFLAGS"
LDFLAGS2="$LDFLAGS"
LDFLAGS="$LIBNUMA_LDFLAGS $LDFLAGS"
AC_CHECK_HEADERS([numa.h numaif.h])
if test "$ac_cv_header_numa_h$ac_cv_header_numaif_h" = "yesyes" ; then
AC_CHECK_LIB(numa, numa_available,HaveLibNuma=1)
fi
if test "$enable_numa:$HaveLibNuma" = "yes:0" ; then
AC_MSG_ERROR([Cannot find system libnuma (required by --enable-numa)])
fi
CFLAGS="$CFLAGS2"
LDFLAGS="$LDFLAGS2"
fi
AC_DEFINE_UNQUOTED([HAVE_LIBNUMA], [$HaveLibNuma], [Define to 1 if you have libnuma])
if test $HaveLibNuma = "1" ; then
AC_SUBST([UseLibNuma],[YES])
AC_SUBST([CabalHaveLibNuma],[True])
else
AC_SUBST([UseLibNuma],[NO])
AC_SUBST([CabalHaveLibNuma],[False])
fi
])
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