1dnl invoking this makes lmdb a requirement 2AC_DEFUN([PDNS_CHECK_LMDB], [ 3 AC_MSG_CHECKING([where to find the lmdb library and headers]) 4 AC_ARG_WITH([lmdb], 5 AS_HELP_STRING([--with-lmdb], [lmdb library to use @<:@default=auto@:>@]),[ 6 with_lmdb=$withval 7 ],[ 8 with_lmdb=auto 9 ]) 10 AC_MSG_RESULT([$with_lmdb]) 11 12 AS_IF([test "$with_lmdb" != "no"], [ 13 AS_IF([test "x$with_lmdb" = "xyes" -o "x$with_lmdb" = "xauto"], [ 14 PKG_CHECK_MODULES([LMDB], [lmdb], [ 15 AC_DEFINE([HAVE_LMDB], [1], [Define to 1 if you have LMDB]) 16 [HAVE_LMDB=1] 17 ], [ : ] 18 ) 19 ], [ 20 save_CPPFLAGS=$CPPFLAGS 21 save_LIBS=$LIBS 22 AS_IF([test -d "$with_lmdb/include"], [ 23 LMDB_CFLAGS="-I$with_lmdb/include" 24 LMDB_LIBS="-L$with_lmdb/lib" 25 ],[ 26 LMDB_CFLAGS="-I$with_lmdb" 27 LMDB_LIBS="-L$with_lmdb" 28 ]) 29 CPPFLAGS="$LMDB_CFLAGS" 30 LIBS="$LMDB_LIBS" 31 32 AC_SEARCH_LIBS([mdb_env_open], [lmdb], [ 33 AC_CHECK_HEADERS([lmdb.h], [ 34 dnl ac_cv_search_mdb_env_open contains '-llmdb' 35 LMDB_LIBS="$LMDB_LIBS $ac_cv_search_mdb_env_open" 36 AC_DEFINE([HAVE_LMDB], [1], [Define to 1 if you have LMDB]) 37 [HAVE_LMDB=1] 38 ], [ 39 AC_MSG_ERROR([lmdb headers not found in $with_lmdb]) 40 ]) 41 CPPFLAGS="$save_CPPFLAGS" 42 LIBS="$save_LIBS" 43 AC_SUBST([LMDB_CFLAGS]) 44 AC_SUBST([LMDB_LIBS]) 45 ]) 46 ]) 47 ]) 48 AM_CONDITIONAL([HAVE_LMDB], [test "x$LMDB_LIBS" != "x"]) 49]) 50