demo/tut3.c: memset options to 0 before modifying
[comedilib.git] / configure.ac
index 1acc52e7d913117d4e714475cd1d45d7f16cf4fa..ffb85a7e34fccbf50cfd3d8905f2bfb2390c106f 100644 (file)
@@ -1,12 +1,3 @@
-
-AC_INIT([comedilib], [0.8.1])
-AC_CANONICAL_TARGET([])
-
-AC_CONFIG_AUX_DIR([.])
-#COMEDILIB_DEBUG="-Wall -Werror"
-COMEDILIB_DEBUG="-Wall"
-AM_INIT_AUTOMAKE([-Wall -Werror])
-
 # libtool version: current:revision:age
 #
 # If the library source code has changed at all since the last update, then
@@ -21,10 +12,59 @@ AM_INIT_AUTOMAKE([-Wall -Werror])
 # If any interfaces have been removed since the last public release, then set
 # age to 0.
 #
-# AS_LIBTOOL arguments are (prefix, current, revision, age)
-AS_LIBTOOL(COMEDILIB, 8, 1, 8)
+# In summary:
+#
+#  If any interface has been changed or removed, `c:r:a' becomes `c+1:0:0';
+#  else if any interface has been added, `c:r:a' becomes `c+1:0:a+1';
+#  else, `c:r:a' becomes `c:r+1:a'.
+#
+m4_define([comedilib_lt_current], [10])
+m4_define([comedilib_lt_revision], [0])
+m4_define([comedilib_lt_age], [10])
+
 #libscxi c:r:a
-SCXI_SO_VERSION=8:0:8
+m4_define([scxi_lt_current], [9])
+m4_define([scxi_lt_revision], [0])
+m4_define([scxi_lt_age], [9])
+
+# comedilib version: major.minor.micro
+#
+# Currently:
+#  * 'major' may be incremented at the whim of the maintainers.
+#  * 'minor' is libtool 'current' minus the value of 'current' when major
+#    changed (comedilib_major_base_current).
+#  * 'micro' is libtool 'revision'.
+
+# Manually set 'comedilib_major_base_current' to new 'comedilib_lt_current'
+# whenever 'comedilib_version_major' is incremented below.
+m4_define([comedilib_major_base_current], [0])
+
+m4_define([comedilib_version_major], [0])
+m4_define([comedilib_version_minor],
+         [m4_eval(comedilib_lt_current - comedilib_major_base_current)])
+m4_define([comedilib_version_micro], [comedilib_lt_revision])
+m4_define([comedilib_pkg_version],
+         [comedilib_version_major.comedilib_version_minor.comedilib_version_micro])
+
+AC_INIT([comedilib], [comedilib_pkg_version])
+AC_CANONICAL_TARGET([])
+
+COMEDILIB_VERSION_MAJOR=comedilib_version_major
+COMEDILIB_VERSION_MINOR=comedilib_version_minor
+COMEDILIB_VERSION_MICRO=comedilib_version_micro
+AC_SUBST(COMEDILIB_VERSION_MAJOR)
+AC_SUBST(COMEDILIB_VERSION_MINOR)
+AC_SUBST(COMEDILIB_VERSION_MICRO)
+
+AC_CONFIG_MACRO_DIR([m4])
+AC_CONFIG_AUX_DIR([.])
+#COMEDILIB_DEBUG="-Wall -Werror"
+COMEDILIB_DEBUG="-Wall"
+AM_INIT_AUTOMAKE([-Wall -Werror])
+
+# AS_LIBTOOL arguments are (prefix, current, revision, age)
+AS_LIBTOOL(COMEDILIB, comedilib_lt_current, comedilib_lt_revision, comedilib_lt_age)
+SCXI_SO_VERSION=scxi_lt_current:scxi_lt_revision:scxi_lt_age
 AC_SUBST(SCXI_SO_VERSION)
 
 AM_CONFIG_HEADER(config.h)
@@ -43,11 +83,34 @@ AC_PROG_LIBTOOL
 
 AC_HEADER_STDC([])
 
-COMEDILIB_CFLAGS="$COMEDILIB_CFLAGS -I\$(top_srcdir)/include $COMEDILIB_DEBUG"
+AX_TLS
+
+COMEDILIB_CFLAGS="$COMEDILIB_CFLAGS -I\$(top_srcdir)/include -I\$(top_builddir)/include $COMEDILIB_DEBUG"
 COMEDILIB_LIBS="$COMEDILIB_LIBS \$(top_builddir)/lib/libcomedi.la -lm"
 AC_SUBST(COMEDILIB_CFLAGS)
 AC_SUBST(COMEDILIB_LIBS)
 
+# autoconf backwards compatibility
+if test "$datarootdir" = ""; then
+       datarootdir='${datadir}'
+       AC_SUBST(datarootdir)
+fi
+
+if test "$docdir" = ""; then
+       docdir='${datarootdir}/doc/${PACKAGE}'
+       AC_SUBST(docdir)
+fi
+
+if test "$htmldir" = ""; then
+       htmldir='${docdir}'
+       AC_SUBST(htmldir)
+fi
+
+if test "$pdfdir" = ""; then
+       pdfdir='${docdir}'
+       AC_SUBST(pdfdir)
+fi
+
 #swig
 AC_PATH_PROG(SWIG, swig, "no")
 if test "$SWIG" == "no" ; then
@@ -55,7 +118,9 @@ if test "$SWIG" == "no" ; then
 fi
 
 #python
-AC_ARG_ENABLE([python-binding],[  --disable-python-binding     Disable building of Python binding],
+AC_ARG_ENABLE([python-binding],
+       [AS_HELP_STRING([--disable-python-binding],
+               [Disable building of Python binding])],
        [ENABLE_PYTHON=$enableval],[ENABLE_PYTHON="yes"])
 if test "$ENABLE_PYTHON" == "yes" && test "$SWIG" != "no"; then
        AM_PATH_PYTHON
@@ -70,8 +135,10 @@ AS_COMPILER_FLAG([-Wno-unused-function],[PYTHON_QUIET="$PYTHON_QUIET -Wno-unused
 AC_SUBST(PYTHON_QUIET)
 
 # ruby
-AC_ARG_ENABLE([ruby-binding], [  --disable-ruby-binding        Disable building of Ruby binding],
-       [ENABLE_RUBY=$enableval], [ENABLE_RUBY="yes"])
+AC_ARG_ENABLE([ruby-binding],
+       [AS_HELP_STRING([--enable-ruby-binding],
+               [Enable building of Ruby binding])],
+       [ENABLE_RUBY=$enableval], [ENABLE_RUBY="no"])
 if test "$ENABLE_RUBY" == "yes" && test "$SWIG" != "no"; then
        AC_PATH_PROG(RUBY, ruby, no)
        if test "$RUBY" != "no" ; then
@@ -98,102 +165,117 @@ fi
 AC_SUBST(RUBY_CONFIG_OPTIONS)
 
 # scxi
-AC_ARG_ENABLE([scxi], [  --enable-scxi  Enable SCXI convenience library],
+AC_ARG_ENABLE([scxi],
+       [AS_HELP_STRING([--enable-scxi], [Enable SCXI convenience library])],
        [ENABLE_SCXI=$enableval], [ENABLE_SCXI="no"])
 AM_CONDITIONAL(BUILD_SCXI, [test "$ENABLE_SCXI" == "yes"])
 
 # docbook
-AC_ARG_ENABLE([docbook],[  --disable-docbook-binding        Disable docbook],[ENABLE_DOCBOOK=$enableval],[ENABLE_DOCBOOK="yes"])
-
-if test "$ENABLE_DOCBOOK" == "yes"; then
-       AC_PATH_PROG(DOCBOOK2MAN, docbook2man, no)
-       if test "$DOCBOOK2MAN" = "no" ; then
-               AC_MSG_WARN([docbook2man not found, will not be able to rebuild man pages])
-       fi
-else
-       DOCBOOK2MAN="no"
-fi
-AM_CONDITIONAL(HAVE_DOCBOOK2MAN, [test "$DOCBOOK2MAN" != "no"])
+AC_ARG_ENABLE([docbook],
+       [AS_HELP_STRING([--disable-docbook], [Disable docbook])],
+       [ENABLE_DOCBOOK=$enableval],[ENABLE_DOCBOOK="yes"])
 
 if test "$ENABLE_DOCBOOK" == "yes"; then
-       AC_PATH_PROG(DOCBOOK2PDF, docbook2pdf, no)
-       if test "$DOCBOOK2PDF" = "no" ; then
-               AC_MSG_WARN([docbook2pdf not found, will not be able to rebuild pdf documentation])
+       AC_PATH_PROG(XMLTO, xmlto, no)
+       if test "$XMLTO" = "no" ; then
+               AC_MSG_WARN([xmlto not found, will not be able to rebuild documentation])
        fi
 else
-       DOCBOOK2PDF="no"
+       XMLTO="no"
 fi
-AM_CONDITIONAL(HAVE_DOCBOOK2PDF, [test "$DOCBOOK2PDF" != "no"])
-
 
-if test "$ENABLE_DOCBOOK" == "yes"; then
-       AC_PATH_PROG(DOCBOOK2HTML, docbook2html, no)
-       if test "$DOCBOOK2HTML" = "no" ; then
-               AC_MSG_WARN([docbook2html not found, will not be able to rebuild html documentation])
-       fi
+if test "$XMLTO" != "no"; then
+       AC_ARG_WITH([pdf-backend],
+               [AS_HELP_STRING([--with-pdf-backend=[[yes|no|dblatex|fop|default]]],
+                       [Enable or disable PDF generation with backend])],
+               [WITH_PDF_BACKEND=$withval],[WITH_PDF_BACKEND="yes"])
+       case "$WITH_PDF_BACKEND" in
+       no)
+               PDF_BACKEND="no"
+               ;;
+       yes)
+               # Prefer dblatex, then default backend.
+               # Could use [dblatex fop] to prefer dblatex or fop.
+               AC_CHECK_PROGS([PDF_BACKEND], [dblatex], [default])
+               # The default backend is broken, so avoid it for now.
+               if test "$PDF_BACKEND" = "default"; then
+                       AC_MSG_WARN([Default PDF backend is broken, disabling PDF generation])
+                       AC_MSG_WARN([(dblatex is recommended for PDF generation)])
+                       PDF_BACKEND="no"
+               fi
+               if test "$PDF_BACKEND" != "no"; then
+                       AC_MSG_NOTICE([Will use $PDF_BACKEND backend for PDF generation])
+               fi
+               ;;
+       default)
+               # Use xmlto's default backend.
+               PDF_BACKEND="default"
+               ;;
+       dblatex|fop)
+               AC_CHECK_PROG([PDF_BACKEND], [$WITH_PDF_BACKEND],
+                       [$WITH_PDF_BACKEND], [no])
+               if test "$PDF_BACKEND" = "no"; then
+                       AC_MSG_WARN([$WITH_PDF_BACKEND not found, disabling PDF generation])
+               fi
+               ;;
+       *)
+               AC_MSG_WARN([Bad --with-pdf-backend option, disabling PDF generation])
+               PDF_BACKEND="no"
+               ;;
+       esac
 else
-       DOCBOOK2HTML="no"
+       PDF_BACKEND="no"
 fi
-AM_CONDITIONAL(HAVE_DOCBOOK2HTML, [test "$DOCBOOK2HTML" != "no"])
-
+case $PDF_BACKEND in
+fop|default)
+       AC_MSG_WARN([$PDF_BACKEND PDF backend might not work.  --without-pdf-backend disables PDF generation.])
+       ;;
+esac
+AM_CONDITIONAL(HAVE_XMLTO, [test "$XMLTO" != "no"])
+AM_CONDITIONAL(BUILD_PDF, [test "$PDF_BACKEND" != "no"])
+AM_CONDITIONAL(BUILD_PDF_USING_DBLATEX, [test "$PDF_BACKEND" = "dblatex"])
+AM_CONDITIONAL(BUILD_PDF_USING_FOP, [test "$PDF_BACKEND" = "fop"])
 
 pcmciadir="\${sysconfdir}/pcmcia"
 AC_SUBST(pcmciadir)
 
-
+# firmware
+AC_ARG_ENABLE([firmware],
+       [AS_HELP_STRING([--disable-firmware], [Disable installation of firmware files])],
+       [ENABLE_FIRMWARE=$enableval],[ENABLE_FIRMWARE="yes"])
 
 # new udev hotplug
-AC_ARG_WITH([udev-hotplug], [  --with-udev-hotplug=[[/lib]]    enable udev hotplug],
+AC_ARG_WITH([udev-hotplug],
+       [AS_HELP_STRING([--with-udev-hotplug=[[/lib]]], [enable udev hotplug])],
        [ENABLE_UDEVHOTPLUG=$withval], [ENABLE_UDEVHOTPLUG="no"])
 AM_CONDITIONAL(INSTALL_UDEVHOTPLUG, [test "$ENABLE_UDEVHOTPLUG" != "no"])
 if test "$ENABLE_UDEVHOTPLUG" != "no"; then
-       udevrulesdir="\${sysconfdir}/udev/rules.d/"
        if  test "$ENABLE_UDEVHOTPLUG" == "yes"; then
                AC_MSG_ERROR([udev-hotplug needs a path as an argument (usually: --enable-udev-hotplug=/lib).])
        fi
        if test "$ENABLE_UDEVHOTPLUG" != "/lib"; then
                AC_MSG_WARN([Installing the udev scripts in the non-standard location: $ENABLE_UDEVHOTPLUG (should be --enable-udev-hotplug=/lib)])
        fi
-       if test "$sysconfdir" != "/etc"; then
-               AC_MSG_WARN([udev hotplug works only if sysconfdir is set to /etc.])
-       fi
-       udevfirmwaredir="$ENABLE_UDEVHOTPLUG/firmware"
+       udevrulesdir="$ENABLE_UDEVHOTPLUG/udev/rules.d/"
        udevscriptsdir="$ENABLE_UDEVHOTPLUG/udev"
        AC_SUBST(udevrulesdir)
-       AC_SUBST(udevfirmwaredir)
        AC_SUBST(udevscriptsdir)
+       if test "$ENABLE_FIRMWARE" == "yes"; then
+       udevfirmwaredir="$ENABLE_UDEVHOTPLUG/firmware"
+       AC_SUBST(udevfirmwaredir)
+       fi
 else
        ENABLE_UDEVHOTPLUG="no"
 fi
 
-
-# old hotplug mechanism
-AC_ARG_ENABLE([etc-hotplug], [  --enable-etc-hotplug    enable old hotplug in /etc/hotplug],
-       [ENABLE_ETCHOTPLUG=$enableval], [ENABLE_ETCHOTPLUG="no"])
-AM_CONDITIONAL(INSTALL_ETCHOTPLUG, [test "$ENABLE_ETCHOTPLUG" != "no"])
-
-if test "$ENABLE_ETCHOTPLUG" != "no"; then
-#see: http://linux-hotplug.sourceforge.net/
-#the hotplug expects the device dependent scripts here:
-       usbhotplugdir="\${sysconfdir}/hotplug/usb"
-       AC_SUBST(usbhotplugdir)
-
-#firmware for the hotplug script
-#see: http://linux-hotplug.sourceforge.net/
-       usbfirmwaredir="\${datadir}/usb"
-       AC_SUBST(usbfirmwaredir)
-       if test "$sysconfdir" != "/etc"; then
-               AC_MSG_WARN([hotplug works only if sysconfdir is set to /etc.])
-       fi
-fi
-
-if test "$ENABLE_ETCHOTPLUG" = "no" && test "$ENABLE_UDEVHOTPLUG" = "no" ; then
-               AC_MSG_WARN([No hotplug mechanism will we installed. Consult ./configure --help if you want hotplug.])
+if test "$ENABLE_UDEVHOTPLUG" = "no" ; then
+               AC_MSG_WARN([No hotplug mechanism will be installed. Consult ./configure --help if you want hotplug.])
 fi
 
 AC_CONFIG_FILES(
 Makefile
 comedi_config/Makefile
+comedi_board_info/Makefile
 c++/Makefile
 c++/include/Makefile
 etc/Makefile
@@ -202,10 +284,12 @@ etc/hotplug/Makefile
 etc/hotplug/usb/Makefile
 etc/hotplug/usb/usbdux/Makefile
 etc/hotplug/usb/usbduxfast/Makefile
+etc/hotplug/usb/usbduxsigma/Makefile
 etc/udev/Makefile
 doc/Makefile
 demo/Makefile
 include/Makefile
+include/comedilib_version.h
 lib/Makefile
 man/Makefile
 scxi/Makefile