configure.ac

   1 AC_PREREQ(2.50)
   2 AC_INIT([onak],[0.4.1],[noodles-onak@earth.li])
   3 AC_CONFIG_SRCDIR(onak.c)
   4 AC_CONFIG_HEADER(config.h)
   5
   6 AC_PROG_CC
   7 AC_PROG_CC_C99
   8
   9 AC_C_BIGENDIAN
  10
  11 m4_include([m4/ax_lib_nettle.m4])
  12
  13 AX_LIB_NETTLE(auto)
  14
  15 dnl We should always have these backends available.
  16 backends="file fs keyd"
  17
  18 AC_CHECK_LIB(pq, PQsetdbLogin,[have_libpq="yes" backends="$backends pg"],have_libpq="no")
  19
  20 AC_CHECK_HEADER(db.h, have_db_h="yes", have_db_h="no")
  21 AC_MSG_CHECKING(for libdb version in db.h)
  22 printf "#include <db.h>\nDB_VERSION_MAJOR DB_VERSION_MINOR\n" >conftest.c
  23 set `eval $ac_cpp conftest.c | egrep '^ *[[0-9]] *'`; v="$1"; vv="$2"
  24 AC_MSG_RESULT($v.$vv)
  25 if test "$v" -ge 4; then
  26         for db in "db-$v.$vv" "db$v.$vv" "db-$v" "db$v" "db"; do
  27                 AC_MSG_CHECKING(for db_create in lib$db)
  28                 oldLIBS="$LIBS"
  29                 LIBS="$LIBS -l$db"
  30                 db4libs="-l$db"
  31                 AC_TRY_LINK([#include <db.h>], db_create(0, 0, 0),
  32                         have_libdb="yes", have_libdb="no")
  33                 AC_MSG_RESULT($have_libdb)
  34                 LIBS="$oldLIBS"
  35                 if test "$have_libdb" != "no"; then break; fi
  36         done
  37 fi
  38 if test "$have_libdb" = "yes" -a "$have_db_h" = "yes"; then
  39         AC_DEFINE(HAVE_LIBDB4, 1, [libdb found])
  40         backends="$backends db4"
  41 fi
  42
  43 AC_MSG_CHECKING(available backends)
  44 AC_MSG_RESULT($backends)
  45
  46 AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to dynamic.]), [], [enable_backend="dynamic"])
  47
  48 AC_ARG_ENABLE(keyd,AC_HELP_STRING([--enable-keyd],[Use keyd as the DB backend.]), [], [])
  49
  50 AC_MSG_CHECKING([which key database backend to use])
  51 AC_MSG_RESULT([$enable_backend])
  52 AC_CHECK_FILE([$srcdir/keydb_$enable_backend.c], ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
  53
  54 if test "x$enable_backend" = "xdb4"
  55 then
  56         if test "$have_libdb" = "no" -o "$have_db_h" = "no"; then
  57                 AC_MSG_ERROR(libdb not found.)
  58         fi
  59         LIBS="$LIBS $db4libs"
  60 else if test "x$enable_backend" = "xpg"
  61 then
  62         if test "$have_libpq" = "no"; then
  63                 AC_MSG_ERROR(libpq not found.)
  64         fi
  65         LIBS="$LIBS -lpq"
  66 fi
  67 fi
  68
  69 dnl If we are explicitly told which backend to use, only build that one.
  70 if test "x$enable_backend" = "xdb4"
  71 then
  72         backend="$enable_backend"
  73 fi
  74
  75 AC_SUBST(DBTYPE, $enable_backend)
  76 AC_SUBST(DB4LIBS, $db4libs)
  77 AC_SUBST(KEYD, $enable_keyd)
  78 AC_SUBST(BACKENDS, $backends)
  79
  80 AC_CONFIG_FILES(Makefile)
  81
  82 AC_OUTPUT