X-Git-Url: https://the.earth.li/gitweb/?a=blobdiff_plain;f=configure.ac;h=0e67c09c9ea954f6d0a68ef9fc07a7b02d0ebfc5;hb=adc800dbc424a1e246dd4a82a0c2e88eeda25531;hp=e41971bfc26f11173138513cc4c39badb315bc52;hpb=321e011925f486709cadd1ab873e8847fc84cbca;p=onak.git

diff --git a/configure.ac b/configure.ac
index e41971b..0e67c09 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,30 +1,99 @@
 AC_PREREQ(2.50)
-AC_INIT([onak],[0.3.0],[noodles-onak@earth.li])
-
+AC_INIT([onak],[0.5.0],[noodles-onak@earth.li])
+AC_CONFIG_SRCDIR(onak.c)
 AC_CONFIG_HEADER(config.h)
 
 AC_PROG_CC
+AC_PROG_CC_C99
 
 AC_C_BIGENDIAN
 
-AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to db3.]), [], [enable_backend="db3"])
+m4_include([m4/ax_lib_nettle.m4])
+
+AX_LIB_NETTLE(auto)
+AC_CHECK_HEADER([systemd/sd-daemon.h], [
+	AC_CHECK_LIB([systemd-daemon], [sd_listen_fds],
+		[AC_DEFINE([HAVE_SYSTEMD], [1], [sd_listen_fds is available])
+		AC_SUBST([SYSTEMD_LIBS], [-lsystemd-daemon])
+	],
+	AC_CHECK_LIB([systemd], [sd_listen_fds],
+		[AC_DEFINE([HAVE_SYSTEMD], [1], [sd_listen_fds is available])
+		AC_SUBST([SYSTEMD_LIBS], [-lsystemd])
+	])
+	)
+])
+
+dnl We should always have these backends available.
+backends="file fs keyd stacked"
+
+LIBCURL_CHECK_CONFIG(,,[have_libcurl="yes" backends="$backends hkp"],have_libcurl="no")
+
+AC_CHECK_LIB(pq, PQsetdbLogin,[have_libpq="yes" backends="$backends pg"],have_libpq="no")
+
+AC_CHECK_HEADER(db.h, have_db_h="yes", have_db_h="no")
+AC_MSG_CHECKING(for libdb version in db.h)
+printf "#include <db.h>\nDB_VERSION_MAJOR DB_VERSION_MINOR\n" >conftest.c
+set `eval $ac_cpp conftest.c | egrep '^ *[[0-9]] *'`; v="$1"; vv="$2"
+AC_MSG_RESULT($v.$vv)
+if test "$v" -ge 4; then
+	for db in "db-$v.$vv" "db$v.$vv" "db-$v" "db$v" "db"; do
+		AC_MSG_CHECKING(for db_create in lib$db)
+		oldLIBS="$LIBS"
+		LIBS="$LIBS -l$db"
+		db4libs="-l$db"
+		AC_TRY_LINK([#include <db.h>], db_create(0, 0, 0),
+			have_libdb="yes", have_libdb="no")
+		AC_MSG_RESULT($have_libdb)
+		LIBS="$oldLIBS"
+		if test "$have_libdb" != "no"; then break; fi
+	done
+fi
+if test "$have_libdb" = "yes" -a "$have_db_h" = "yes"; then
+	AC_DEFINE(HAVE_LIBDB4, 1, [libdb found])
+	backends="$backends db4"
+fi
+
+AC_MSG_CHECKING(available backends)
+AC_MSG_RESULT($backends)
+
+AC_ARG_ENABLE(backend,AC_HELP_STRING([--enable-backend=<backend>],[Choose the backend database to use. Defaults to dynamic.]), [], [enable_backend="dynamic"])
+
+AC_ARG_ENABLE(keyd,AC_HELP_STRING([--enable-keyd],[Use keyd as the DB backend.]), [], [])
 
 AC_MSG_CHECKING([which key database backend to use])
 AC_MSG_RESULT([$enable_backend])
-AC_CHECK_FILE(keydb_$enable_backend.c, ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
+AC_CHECK_FILE([$srcdir/keydb_$enable_backend.c], ,AC_MSG_ERROR([non existent key database backend $enable_backend]))
 
-if test "x$enable_backend" = "xdb3"
+if test "x$enable_backend" = "xdb4"
 then
-	AC_CHECK_LIB(db3, db_env_create,,
-		AC_MSG_ERROR([cannot compile DB3 backend without libdb3]))
+	if test "$have_libdb" = "no" -o "$have_db_h" = "no"; then
+		AC_MSG_ERROR(libdb not found.)
+	fi
+	LIBS="$LIBS $db4libs"
 else if test "x$enable_backend" = "xpg"
 then
-	AC_CHECK_LIB(pq, PQsetdbLogin,,
-		AC_MSG_ERROR([cannot compile PostgreSQL backend without libpq]))
+	if test "$have_libpq" = "no"; then
+		AC_MSG_ERROR(libpq not found.)
+	fi
+	LIBS="$LIBS -lpq"
+fi
+fi
+
+dnl If we are explicitly told which backend to use, only build that one.
+if test "x$enable_backend" = "xdb4"
+then
+	backend="$enable_backend"
 fi
+
+dnl Fallback for autoconf before 2.70
+if test "x$runstatedir" = x; then
+	AC_SUBST([runstatedir], ["$localstatedir/run"])
 fi
 
 AC_SUBST(DBTYPE, $enable_backend)
+AC_SUBST(DB4LIBS, $db4libs)
+AC_SUBST(KEYD, $enable_keyd)
+AC_SUBST(BACKENDS, $backends)
 
 AC_CONFIG_FILES(Makefile)