1dnl SMB Build Environment make Checks 2dnl ------------------------------------------------------- 3dnl Copyright (C) Stefan (metze) Metzmacher 2004 4dnl Copyright (C) Jelmer Vernooij 2005 5dnl Released under the GNU GPL 6dnl ------------------------------------------------------- 7dnl 8 9AC_PATH_PROG(MAKE,make) 10 11AC_CACHE_CHECK([whether we have GNU make], samba_cv_gnu_make, [ 12if $ac_cv_path_MAKE --version | head -1 | grep GNU 2>/dev/null >/dev/null 13then 14 samba_cv_gnu_make=yes 15else 16 samba_cv_gnu_make=no 17fi 18]) 19 20GNU_MAKE=$samba_cv_gnu_make 21AC_SUBST(GNU_MAKE) 22 23if test "x$GNU_MAKE" = x"yes"; then 24 AC_CACHE_CHECK([GNU make version], samba_cv_gnu_make_version,[ 25 samba_cv_gnu_make_version=`$ac_cv_path_MAKE --version | head -1 | cut -d " " -f 3 2>/dev/null` 26 ]) 27 GNU_MAKE_VERSION=$samba_cv_gnu_make_version 28 AC_SUBST(GNU_MAKE_VERSION) 29fi 30 31 32new_make=no 33AC_MSG_CHECKING([for GNU make >= 3.81]) 34if test x$GNU_MAKE = x"yes"; then 35 if $PERL -e " \$_ = '$GNU_MAKE_VERSION'; s/@<:@^\d\.@:>@.*//g; exit (\$_ < 3.81);"; then 36 new_make=yes 37 fi 38fi 39AC_MSG_RESULT($new_make) 40automatic_dependencies=no 41AX_CFLAGS_GCC_OPTION([-M -MT conftest.d -MF conftest.o], [], [ automatic_dependencies=$new_make ], []) 42AC_MSG_CHECKING([Whether to use automatic dependencies]) 43AC_ARG_ENABLE(automatic-dependencies, 44[ --enable-automatic-dependencies Enable automatic dependencies], 45[ automatic_dependencies=$enableval ], 46[ automatic_dependencies=no ]) 47AC_MSG_RESULT($automatic_dependencies) 48AC_SUBST(automatic_dependencies) 49