2003-06-04 Havoc Pennington <hp@pobox.com>
[platform/upstream/dbus.git] / configure.in
index 0238282..613bf2d 100644 (file)
@@ -3,7 +3,7 @@ AC_PREREQ(2.52)
 
 AC_INIT(dbus/dbus.h)
 
-AM_INIT_AUTOMAKE(dbus, 0.6)
+AM_INIT_AUTOMAKE(dbus, 0.11)
 
 AM_CONFIG_HEADER(config.h)
 
@@ -23,16 +23,24 @@ AC_ISC_POSIX
 AC_HEADER_STDC
 AM_PROG_LIBTOOL
 
-AC_ARG_ENABLE(qt,      [  --enable-qt      enable Qt-friendly client library],enable_qt=$enableval,enable_qt=auto)
-AC_ARG_ENABLE(glib,    [  --enable-glib    enable GLib-friendly client library],enable_glib=$enableval,enable_glib=auto)
-AC_ARG_ENABLE(tests,   [  --enable-tests   enable unit test code],enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
-AC_ARG_ENABLE(ansi,    [  --enable-ansi    enable -ansi -pedantic gcc flags],enable_ansi=$enableval,enable_ansi=no)
-AC_ARG_ENABLE(verbose-mode, [  --enable-verbose-mode support verbose debug mode],enable_verbose_mode=$enableval,enable_verbose_mode=yes)
-AC_ARG_ENABLE(asserts, [  --enable-asserts include assertion checks],enable_asserts=$enableval,enable_asserts=yes)
-AC_ARG_ENABLE(gcov,    [  --enable-gcov compile with coverage profiling instrumentation (gcc only)],enable_gcov=$enableval,enable_gcov=no)
-
-AC_ARG_WITH(xml,          [  --with-xml=[libxml/expat] XML library to use])
-AC_ARG_WITH(init-scripts, [  --with-init-scripts=[redhat] Style of init scripts to install])
+AC_ARG_ENABLE(qt,               [  --enable-qt           enable Qt-friendly client library],enable_qt=$enableval,enable_qt=auto)
+AC_ARG_ENABLE(glib,             [  --enable-glib         enable GLib-friendly client library],enable_glib=$enableval,enable_glib=auto)
+AC_ARG_ENABLE(tests,            [  --enable-tests        enable unit test code],enable_tests=$enableval,enable_tests=$USE_MAINTAINER_MODE)
+AC_ARG_ENABLE(ansi,             [  --enable-ansi         enable -ansi -pedantic gcc flags],enable_ansi=$enableval,enable_ansi=no)
+AC_ARG_ENABLE(verbose-mode,     [  --enable-verbose-mode support verbose debug mode],enable_verbose_mode=$enableval,enable_verbose_mode=$USE_MAINTAINER_MODE)
+AC_ARG_ENABLE(asserts,          [  --enable-asserts      include assertion checks],enable_asserts=$enableval,enable_asserts=$USE_MAINTAINER_MODE)
+AC_ARG_ENABLE(checks,           [  --enable-checks       include sanity checks on public API],enable_checks=$enableval,enable_checks=yes)
+AC_ARG_ENABLE(docs,             [  --enable-docs         build documentation (requires Doxygen and jade)],enable_docs=$enableval,enable_docs=auto)
+AC_ARG_ENABLE(gcov,             [  --enable-gcov         compile with coverage profiling instrumentation (gcc only)],enable_gcov=$enableval,enable_gcov=no)
+AC_ARG_ENABLE(abstract-sockets, [  --enable-abstract-sockets  use abstract socket namespace (linux only)],enable_abstract_sockets=$enableval,enable_abstract_sockets=auto)
+
+
+AC_ARG_WITH(xml,                [  --with-xml=[libxml/expat]           XML library to use])
+AC_ARG_WITH(init-scripts,       [  --with-init-scripts=[redhat]        Style of init scripts to install])
+AC_ARG_WITH(session-socket-dir, [  --with-session-socket-dir=[dirname] Where to put sockets for the per-login-session message bus])
+AC_ARG_WITH(test-socket-dir,    [  --with-test-socket-dir=[dirname]    Where to put sockets for make check])
+AC_ARG_WITH(system-pid-file,    [  --with-system-pid-file=[pidfile]    PID file for systemwide daemon])
+AC_ARG_WITH(system-socket,      [  --with-system-socket=[filename]     UNIX domain socket for systemwide daemon])
 
 dnl DBUS_BUILD_TESTS controls unit tests built in to .c files 
 dnl and also some stuff in the test/ subdir
@@ -47,6 +55,9 @@ fi
 if test x$enable_asserts = xno; then
     AC_DEFINE(DBUS_DISABLE_ASSERT,1,[Disable assertion checking])
 fi
+if test x$enable_checks = xno; then
+    AC_DEFINE(DBUS_DISABLE_CHECKS,1,[Disable public API sanity checking])
+fi
 
 #### gcc warning flags
 
@@ -123,7 +134,22 @@ else
   fi
 fi
 
-#### Assorted checks
+changequote(,)dnl
+# let ourselves use our own unstable API
+CPPFLAGS="-DDBUS_API_SUBJECT_TO_CHANGE=1 $CPPFLAGS"
+# compress spaces in flags
+CFLAGS=`echo "$CFLAGS" | sed -e 's/ +/ /g'`
+CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/ +/ /g'`
+CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/ +/ /g'`
+changequote([,])dnl
+
+if test x$enable_gcov = xyes; then
+     ## so that config.h changes when you toggle gcov support
+     AC_DEFINE_UNQUOTED(DBUS_GCOV_ENABLED, 1, [Defined if gcov is enabled to force a rebuild due to config.h changing])
+fi
+AM_CONDITIONAL(DBUS_GCOV_ENABLED, test x$enable_gcov = xyes)
+
+#### Integer sizes 
 
 AC_CHECK_SIZEOF(char)
 AC_CHECK_SIZEOF(short)
@@ -133,9 +159,77 @@ AC_CHECK_SIZEOF(void *)
 AC_CHECK_SIZEOF(long long)
 AC_CHECK_SIZEOF(__int64)
 
+### See what our 64 bit type is called
+AC_MSG_CHECKING([64-bit integer type])
+
+case 8 in
+$ac_cv_sizeof_int)
+  dbusint64=int
+  dbusint64_constant='(val)'
+  dbusuint64_constant='(val)'
+  ;;
+$ac_cv_sizeof_long)
+  dbusint64=long
+  dbusint64_constant='(val##L)'
+  dbusuint64_constant='(val##UL)'
+  ;;
+$ac_cv_sizeof_long_long)
+  dbusint64='long long'
+  dbusint64_constant='(val##LL)'
+  dbusuint64_constant='(val##ULL)'
+  ;;
+$ac_cv_sizeof___int64)
+  dbusint64=__int64
+  dbusint64_constant='(val##i64)'
+  dbusuint64_constant='(val##ui64)'
+  ;;
+esac
+
+if test -z "$dbusint64" ; then
+        DBUS_INT64_TYPE="no_int64_type_detected"
+        DBUS_HAVE_INT64=0
+        DBUS_INT64_CONSTANT=
+        DBUS_UINT64_CONSTANT=
+        AC_MSG_RESULT([none found])
+else
+        DBUS_INT64_TYPE="$dbusint64"
+        DBUS_HAVE_INT64=1
+        DBUS_INT64_CONSTANT="$dbusint64_constant"
+        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
+        AC_MSG_RESULT($DBUS_INT64_TYPE)
+fi
+
+AC_SUBST(DBUS_INT64_TYPE)
+AC_SUBST(DBUS_INT64_CONSTANT)
+AC_SUBST(DBUS_UINT64_CONSTANT)
+AC_SUBST(DBUS_HAVE_INT64)
+
 ## byte order
 AC_C_BIGENDIAN
 
+#### Atomic integers (checks by Sebastian Wilhelmi for GLib)
+AC_MSG_CHECKING([whether to use inline assembler routines for atomic integers])
+have_atomic_inc=no
+if test x"$GCC" = xyes; then
+  case $host_cpu in
+    i386)
+      AC_MSG_RESULT([no])
+      ;;
+    i?86)
+      AC_MSG_RESULT([i486])
+      AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
+      have_atomic_inc=yes
+      ;;
+    *)
+      AC_MSG_RESULT([no])
+      ;;
+  esac
+fi
+if test x$have_atomic_inc = xyes ; then
+  AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
+fi
+
+#### Various functions
 AC_CHECK_LIB(socket,socket)
 AC_CHECK_LIB(nsl,gethostbyname)
 
@@ -225,6 +319,75 @@ if test x$dbus_have_struct_cmsgcred = xyes; then
 fi
 
 
+#### Abstract sockets
+
+AC_MSG_CHECKING(abstract socket namespace)
+AC_LANG_PUSH(C)
+AC_RUN_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <sys/types.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <errno.h>
+]],
+[[
+  int listen_fd;
+  struct sockaddr_un addr;
+  
+  listen_fd = socket (PF_UNIX, SOCK_STREAM, 0);
+  
+  if (listen_fd < 0)
+    {
+      fprintf (stderr, "socket() failed: %s\n", strerror (errno));
+      exit (1);
+    }
+
+  memset (&addr, '\0', sizeof (addr));
+  addr.sun_family = AF_UNIX;
+  strcpy (addr.sun_path, "X/tmp/dbus-fake-socket-path-used-in-configure-test");
+  addr.sun_path[0] = '\0'; /* this is what makes it abstract */
+  
+  if (bind (listen_fd, (struct sockaddr*) &addr, SUN_LEN (&addr)) < 0)
+    {
+       fprintf (stderr, "Abstract socket namespace bind() failed: %s\n", 
+                strerror (errno));
+       exit (1);
+    }
+  else 
+    exit (0);
+]])],
+              [have_abstract_sockets=yes],
+              [have_abstract_sockets=no])
+AC_LANG_POP(C)
+AC_MSG_RESULT($have_abstract_sockets)
+
+if test x$enable_abstract_sockets = xyes; then
+    if test x$have_abstract_sockets = xno; then
+       AC_MSG_ERROR([Abstract sockets explicitly required, and support not detected.])
+    fi
+fi
+
+if test x$enable_abstract_sockets = xno; then
+   have_abstract_sockets=no;
+fi
+
+if test x$have_abstract_sockets = xyes ; then
+   abstract_sockets=1
+   DBUS_PATH_OR_ABSTRACT=abstract
+else
+   abstract_sockets=0
+   DBUS_PATH_OR_ABSTRACT=path
+fi
+
+AC_DEFINE_UNQUOTED(HAVE_ABSTRACT_SOCKETS, $abstract_sockets, [Have abstract socket namespace])
+
+# this is used in addresses to prefer abstract, e.g. 
+# unix:path=/foo or unix:abstract=/foo 
+AC_SUBST(DBUS_PATH_OR_ABSTRACT)
+
 #### Sort out XML library
 
 # see what we have
@@ -318,9 +481,22 @@ AC_SUBST(DBUS_GLIB_THREADS_LIBS)
 
 # Qt detection
 have_qt=no
-if test -n "$QTDIR" -a -f $QTDIR/include/qglobal.h; then
+AC_MSG_CHECKING([for qglobal.h])
+if test -n "$QTDIR" -a -f "$QTDIR/include/qglobal.h"; then
     have_qt=yes
-    DBUS_QT_CXXFLAGS=-I$QTDIR/include
+    DBUS_QT_CXXFLAGS="-I$QTDIR/include"
+else
+    for dir in "${prefix}/include/qt" "/usr/include/qt-3.1" "/usr/include/qt3" "/usr/include/qt" "/usr/lib/qt/include"; do
+        if test -f "$dir/qglobal.h"; then
+            have_qt=yes
+            DBUS_QT_CXXFLAGS="-I$dir"
+       fi
+    done
+fi
+if test x"$have_qt" = x"yes"; then
+   AC_MSG_RESULT([found])
+else
+   AC_MSG_RESULT([not found])
 fi
 
 dnl linking to kdecore will give us a bit of help from libtool
@@ -328,10 +504,10 @@ if (! kde-config >& /dev/null); then
     have_qt=no
 else
     kdelibs=`kde-config --install lib --expandvars 2>/dev/null`
-    if test -z $kdelibs -a -f $kdelibs/libkdecore.la; then
+    if test -z $kdelibs -o ! -f $kdelibs/libkdecore.la; then
         have_qt=no
     else
-        DBUS_QT_LIBS=$kdelibs/libkdecore.la
+        DBUS_QT_LIBS="$kdelibs/libkdecore.la"
     fi
 fi
 
@@ -355,12 +531,64 @@ dnl Qt flags
 AC_SUBST(DBUS_QT_CXXFLAGS)
 AC_SUBST(DBUS_QT_LIBS)
 
-##### Set up location for system bus socket
-## name of socket relative to localstatedir
-DBUS_SYSTEM_SOCKET=run/dbus/system_bus_socket
-AC_SUBST(DBUS_SYSTEM_SOCKET)
+### X11 detection
+AC_PATH_XTRA
+
+## for now enable_x11 just tracks have_x11, 
+## there's no --enable-x11
+if test x$no_x = xyes ; then
+   have_x11=no
+   enable_x11=no
+else
+   have_x11=yes
+   enable_x11=yes
+fi
+
+if test x$enable_x11 = xyes ; then
+   AC_DEFINE(DBUS_BUILD_X11,1,[Build X11-dependent code])
+   DBUS_X_LIBS="$X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
+   DBUS_X_CFLAGS="$X_CFLAGS"
+else
+   DBUS_X_LIBS=
+   DBUS_X_CFLAGS=
+fi
+
+AC_SUBST(DBUS_X_CFLAGS)
+AC_SUBST(DBUS_X_LIBS)
+
+### Documentation
+
+AC_PATH_PROG(DOXYGEN, doxygen, no)
+AC_PATH_PROG(DB2HTML, db2html, no)
+
+AC_MSG_CHECKING([whether to build documentation])
+
+if test x$DOXYGEN = xno -o x$DB2HTML = xno ; then
+    have_docs_tools=no
+else
+    have_docs_tools=yes
+fi
+
+if test x$enable_docs = xauto ; then
+    if test x$have_docs_tools = xno ; then
+        enable_docs=no
+    else
+        enable_docs=yes
+    fi
+fi
+
+if test x$enable_docs = xyes; then
+    if test x$have_docs_tools = xno; then
+       AC_MSG_ERROR([Building docs explicitly required, but Doxygen or db2html not found])
+    fi
+fi
+
+AM_CONDITIONAL(DBUS_DOCS_ENABLED, test x$enable_docs = xyes)
+AC_MSG_RESULT(yes)
 
 #### find the actual value for $prefix that we'll end up with
+##   (I know this is broken and should be done in the Makefile, but
+##    that's a major pain and almost nobody actually seems to care)
 REAL_PREFIX=
 if test "x$prefix" = "xNONE"; then
   REAL_PREFIX=$ac_default_prefix
@@ -391,18 +619,51 @@ EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
 prefix=$old_prefix
 AC_SUBST(EXPANDED_BINDIR)
 
+old_exec_prefix=${exec_prefix}
+test "x$exec_prefix" = xNONE && eval exec_prefix=${prefix}
+eval EXPANDED_LIBDIR=${libdir}
+exec_prefix=${old_exec_prefix}
+AC_SUBST(EXPANDED_LIBDIR)
+
+#### Check our operating system
+operating_system=unknown
+if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
+   operating_system=redhat
+fi
+
 #### Sort out init scripts
 
 if test x$with_init_scripts = x; then
-        if test -f /etc/redhat-release || test -f $EXPANDED_SYSCONFDIR/redhat-release ; then
-                with_init_scripts=redhat
-        else
-                with_init_scripts=none
-        fi
+    if test xredhat = x$operating_system ; then
+        with_init_scripts=redhat
+    else
+        with_init_scripts=none
+    fi
 fi
 
 AM_CONDITIONAL(DBUS_INIT_SCRIPTS_RED_HAT, test x$with_init_scripts = xredhat)
 
+
+##### Set up location for system bus socket
+if ! test -z "$with_system_socket"; then
+   DBUS_SYSTEM_SOCKET=$with_system_socket
+else
+   DBUS_SYSTEM_SOCKET=${EXPANDED_LOCALSTATEDIR}/run/dbus/system_bus_socket
+fi
+
+AC_SUBST(DBUS_SYSTEM_SOCKET)
+
+#### Set up the pid file
+if ! test -z "$with_system_pid_file"; then
+   DBUS_SYSTEM_PID_FILE=$with_system_pid_file
+elif test x$operating_system = xredhat ; then
+   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/messagebus.pid
+else
+   DBUS_SYSTEM_PID_FILE=${EXPANDED_LOCALSTATEDIR}/run/dbus/pid
+fi
+
+AC_SUBST(DBUS_SYSTEM_PID_FILE)
+
 #### Tell tests where to find certain stuff in builddir
 ABSOLUTE_TOP_BUILDDIR=`cd ${ac_top_builddir}. && pwd`
 
@@ -419,55 +680,111 @@ TEST_PATH(EXIT_BINARY, test-exit)
 TEST_PATH(SEGFAULT_BINARY, test-segfault)
 TEST_PATH(SLEEP_FOREVER_BINARY, test-sleep-forever)
 
+#### Find socket directories
+if ! test -z "$TMPDIR" ; then
+   DEFAULT_SOCKET_DIR=$TMPDIR
+elif ! test -z "$TEMP" ; then
+   DEFAULT_SOCKET_DIR=$TEMP
+elif ! test -z "$TMP" ; then
+   DEFAULT_SOCKET_DIR=$TMP
+else
+   DEFAULT_SOCKET_DIR=/tmp
+fi
+
+if ! test -z "$with_test_socket_dir" ; then
+   TEST_SOCKET_DIR="$with_test_socket_dir"
+else
+   TEST_SOCKET_DIR=$DEFAULT_SOCKET_DIR
+fi
+AC_SUBST(TEST_SOCKET_DIR)
+AC_DEFINE_UNQUOTED(DBUS_TEST_SOCKET_DIR, "$TEST_SOCKET_DIR", [Where to put test sockets])
+
+if ! test -z "$with_session_socket_dir" ; then
+   DBUS_SESSION_SOCKET_DIR="$with_session_socket_dir"
+else
+   DBUS_SESSION_SOCKET_DIR=$DEFAULT_SOCKET_DIR
+fi
+AC_DEFINE_UNQUOTED(DBUS_SESSION_SOCKET_DIR, "$DBUS_SESSION_SOCKET_DIR", [Where per-session bus puts its sockets])
+AC_SUBST(DBUS_SESSION_SOCKET_DIR)
+
+
+
 AC_OUTPUT([
 Doxyfile
+dbus/dbus-arch-deps.h
 bus/system.conf
 bus/session.conf
 bus/messagebus
+bus/dbus-daemon-1.1
 Makefile
 dbus/Makefile
 glib/Makefile
 qt/Makefile
 bus/Makefile
+tools/Makefile
 test/Makefile
 doc/Makefile
-dbus-1.0.pc
-dbus-glib-1.0.pc
+dbus-1.pc
+dbus-glib-1.pc
 test/data/valid-config-files/debug-allow-all.conf
+test/data/valid-config-files/debug-allow-all-sha1.conf
 test/data/valid-service-files/debug-echo.service
+test/data/valid-service-files/debug-segfault.service
 ])
 
+### FIXME it's bizarre that have_qt and have_glib are used
+### instead of enable_ - should fix things so that enable 
+### is always whether it's enabled, and have is always whether 
+### it was found.
+
 dnl ==========================================================================
 echo "
                     D-BUS $VERSION
                   ==============
 
-       prefix:                 ${prefix}
-       source code location:   ${srcdir}
-       compiler:               ${CC}
-       cflags:                 ${CFLAGS}
-
-        Maintainer mode:        ${USE_MAINTAINER_MODE}
-        gcc coverage profiling: ${enable_gcov}
-        Building unit tests:    ${enable_tests}
-        Building verbose mode:  ${enable_verbose_mode}
-        Building assertions:    ${enable_asserts}
-        Building Qt bindings:   ${have_qt}
-        Building GLib bindings: ${have_glib}
-        Using XML parser:       ${with_xml}
-        System bus socket:      ${EXPANDED_LOCALSTATEDIR}/${DBUS_SYSTEM_SOCKET}
-        Init scripts style:     ${with_init_scripts}
+       prefix:                   ${prefix}
+       source code location:     ${srcdir}
+       compiler:                 ${CC}
+       cflags:                   ${CFLAGS}
+       cppflags:                 ${CPPFLAGS}
+       cxxflags:                 ${CXXFLAGS}
+        Doxygen:                  ${DOXYGEN}
+        db2html:                  ${DB2HTML}
+
+        Maintainer mode:          ${USE_MAINTAINER_MODE}
+        gcc coverage profiling:   ${enable_gcov}
+        Building unit tests:      ${enable_tests}
+        Building verbose mode:    ${enable_verbose_mode}
+        Building assertions:      ${enable_asserts}
+        Building checks:          ${enable_checks}
+        Building Qt bindings:     ${have_qt}
+        Building GLib bindings:   ${have_glib}
+        Building X11 code:        ${enable_x11}
+        Building documentation:   ${enable_docs}
+        Using XML parser:         ${with_xml}
+        Init scripts style:       ${with_init_scripts}
+        Abstract socket names:    ${have_abstract_sockets}
+        System bus socket:        ${DBUS_SYSTEM_SOCKET}
+        System bus PID file:      ${DBUS_SYSTEM_PID_FILE}
+        Session bus socket dir:   ${DBUS_SESSION_SOCKET_DIR}
+        'make check' socket dir:  ${TEST_SOCKET_DIR}
 "
 
 if test x$enable_tests = xyes; then
         echo "NOTE: building with unit tests increases the size of the installed library and renders it insecure."
 fi
+if test x$enable_tests = xyes -a x$enable_asserts = xno; then
+        echo "NOTE: building with unit tests but without assertions means tests may not properly report failures (this configuration is only useful when doing something like profiling the tests)"
+fi
 if test x$enable_gcov = xyes; then
         echo "NOTE: building with coverage profiling is definitely for developers only."
 fi
 if test x$enable_verbose_mode = xyes; then
-        echo "NOTE: building with verbose mode increases library size, may slightly increase security risk, and may cause a slight performance decrease, but aids debugging."
+        echo "NOTE: building with verbose mode increases library size, may slightly increase security risk, and decreases performance."
 fi
 if test x$enable_asserts = xyes; then
-        echo "NOTE: building with assertions increases library size, but will help a lot when tracking down bugs in software using D-BUS."
+        echo "NOTE: building with assertions increases library size and decreases performance."
+fi
+if test x$enable_checks = xno; then
+        echo "NOTE: building without checks for arguments passed to public API makes it harder to debug apps using D-BUS, but will slightly decrease D-BUS library size and _very_ slightly improve performance."
 fi