configure.ac

   1 AC_PREREQ(2.50)
   2 AC_INIT([onak],[0.5.0],[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 AC_CHECK_HEADER([systemd/sd-daemon.h], [
  15         AC_CHECK_LIB([systemd-daemon], [sd_listen_fds],
  16                 [AC_DEFINE([HAVE_SYSTEMD], [1], [sd_listen_fds is available])
  17                 AC_SUBST([SYSTEMD_LIBS], [-lsystemd-daemon])
  18         ],
  19         AC_CHECK_LIB([systemd], [sd_listen_fds],
  20                 [AC_DEFINE([HAVE_SYSTEMD], [1], [sd_listen_fds is available])
  21                 AC_SUBST([SYSTEMD_LIBS], [-lsystemd])
  22         ])
  23         )
  24 ])
  25
  26 dnl We should always have these backends available.
  27 backends="file fs keyd stacked"
  28
  29 LIBCURL_CHECK_CONFIG(,,[have_libcurl="yes" backends="$backends hkp"],have_libcurl="no")
  30
  31 AC_CHECK_LIB(pq, PQsetdbLogin,[have_libpq="yes" backends="$backends pg"],have_libpq="no")
  32
  33 AC_CHECK_HEADER(db.h, have_db_h="yes", have_db_h="no")
  34 AC_MSG_CHECKING(for libdb version in db.h)
  35 printf "#include <db.h>\nDB_VERSION_MAJOR DB_VERSION_MINOR\n" >conftest.c
  36 set `eval $ac_cpp conftest.c | egrep '^ *[[0-9]] *'`; v="$1"; vv="$2"
  37 AC_MSG_RESULT($v.$vv)
  38 if test "$v" -ge 4; then
  39         for db in "db-$v.$vv" "db$v.$vv" "db-$v" "db$v" "db"; do
  40                 AC_MSG_CHECKING(for db_create in lib$db)
  41                 oldLIBS="$LIBS"
  42                 LIBS="$LIBS -l$db"
  43                 db4libs="-l$db"
  44                 AC_TRY_LINK([#include <db.h>], db_create(0, 0, 0),
  45                         have_libdb="yes", have_libdb="no")
  46                 AC_MSG_RESULT($have_libdb)
  47                 LIBS="$oldLIBS"
  48                 if test "$have_libdb" != "no"; then break; fi
  49         done
  50 fi
  51 if test "$have_libdb" = "yes" -a "$have_db_h" = "yes"; then
  52         AC_DEFINE(HAVE_LIBDB4, 1, [libdb found])
  53         backends="$backends db4"
  54 fi
  55
  56 AC_MSG_CHECKING(available backends)
  57 AC_MSG_RESULT($backends)
  58
  59 AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to dynamic.]), [], [enable_backend="dynamic"])
  60
  61 AC_ARG_ENABLE(keyd,AC_HELP_STRING([--enable-keyd],[Use keyd as the DB backend.]), [], [])
  62
  63 AC_MSG_CHECKING([which key database backend to use])
  64 AC_MSG_RESULT([$enable_backend])
  65 AC_CHECK_FILE([$srcdir/keydb_$enable_backend.c], ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
  66
  67 if test "x$enable_backend" = "xdb4"
  68 then
  69         if test "$have_libdb" = "no" -o "$have_db_h" = "no"; then
  70                 AC_MSG_ERROR(libdb not found.)
  71         fi
  72         LIBS="$LIBS $db4libs"
  73 else if test "x$enable_backend" = "xpg"
  74 then
  75         if test "$have_libpq" = "no"; then
  76                 AC_MSG_ERROR(libpq not found.)
  77         fi
  78         LIBS="$LIBS -lpq"
  79 fi
  80 fi
  81
  82 dnl If we are explicitly told which backend to use, only build that one.
  83 if test "x$enable_backend" = "xdb4"
  84 then
  85         backend="$enable_backend"
  86 fi
  87
  88 dnl Fallback for autoconf before 2.70
  89 if test "x$runstatedir" = x; then
  90         AC_SUBST([runstatedir], ["$localstatedir/run"])
  91 fi
  92
  93 AC_SUBST(DBTYPE, $enable_backend)
  94 AC_SUBST(DB4LIBS, $db4libs)
  95 AC_SUBST(KEYD, $enable_keyd)
  96 AC_SUBST(BACKENDS, $backends)
  97
  98 AC_CONFIG_FILES(Makefile)
  99
 100 AC_OUTPUT