configure.ac

   1 AC_PREREQ(2.50)
   2 AC_INIT([onak],[0.4.0],[noodles-onak@earth.li])
   3 AC_CONFIG_SRCDIR(onak.c)
   4 AC_CONFIG_HEADER(config.h)
   5
   6 AC_PROG_CC
   7
   8 AC_C_BIGENDIAN
   9
  10 m4_include([m4/ax_lib_nettle.m4])
  11
  12 AX_LIB_NETTLE(auto)
  13
  14 dnl We should always have these backends available.
  15 backends="file fs keyd"
  16
  17 AC_CHECK_LIB(pq, PQsetdbLogin,[have_libpq="yes" backends="$backends pg"],have_libpq="no")
  18
  19 AC_CHECK_HEADER(db.h, have_db_h="yes", have_db_h="no")
  20 AC_MSG_CHECKING(for libdb version in db.h)
  21 printf "#include <db.h>\nDB_VERSION_MAJOR DB_VERSION_MINOR\n" >conftest.c
  22 set `eval $ac_cpp conftest.c | egrep '^ *[[0-9]] *'`; v="$1"; vv="$2"
  23 AC_MSG_RESULT($v.$vv)
  24 if test "$v" -ge 4; then
  25         for db in "db-$v.$vv" "db$v.$vv" "db-$v" "db$v" "db"; do
  26                 AC_MSG_CHECKING(for db_create in lib$db)
  27                 oldLIBS="$LIBS"
  28                 LIBS="$LIBS -l$db"
  29                 db4libs="-l$db"
  30                 AC_TRY_LINK([#include <db.h>], db_create(0, 0, 0),
  31                         have_libdb="yes", have_libdb="no")
  32                 AC_MSG_RESULT($have_libdb)
  33                 LIBS="$oldLIBS"
  34                 if test "$have_libdb" != "no"; then break; fi
  35         done
  36 fi
  37 if test "$have_libdb" = "yes" -a "$have_db_h" = "yes"; then
  38         AC_DEFINE(HAVE_LIBDB4, 1, [libdb found])
  39         backends="$backends db4"
  40 fi
  41
  42 AC_MSG_CHECKING(available backends)
  43 AC_MSG_RESULT($backends)
  44
  45 AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to dynamic.]), [], [enable_backend="dynamic"])
  46
  47 AC_ARG_ENABLE(keyd,AC_HELP_STRING([--enable-keyd],[Use keyd as the DB backend.]), [], [])
  48
  49 AC_MSG_CHECKING([which key database backend to use])
  50 AC_MSG_RESULT([$enable_backend])
  51 AC_CHECK_FILE([$srcdir/keydb_$enable_backend.c], ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
  52
  53 if test "x$enable_backend" = "xdb4"
  54 then
  55         if test "$have_libdb" = "no" -o "$have_db_h" = "no"; then
  56                 AC_MSG_ERROR(libdb not found.)
  57         fi
  58         LIBS="$LIBS $db4libs"
  59 else if test "x$enable_backend" = "xpg"
  60 then
  61         if test "$have_libpq" = "no"; then
  62                 AC_MSG_ERROR(libpq not found.)
  63         fi
  64         LIBS="$LIBS -lpq"
  65 fi
  66 fi
  67
  68 dnl If we are explicitly told which backend to use, only build that one.
  69 if test "x$enable_backend" = "xdb4"
  70 then
  71         backend="$enable_backend"
  72 fi
  73
  74 AC_SUBST(DBTYPE, $enable_backend)
  75 AC_SUBST(DB4LIBS, $db4libs)
  76 AC_SUBST(KEYD, $enable_keyd)
  77 AC_SUBST(BACKENDS, $backends)
  78
  79 AC_CONFIG_FILES(Makefile)
  80
  81 AC_OUTPUT