######################################################################
# Autoconf initial setup
######################################################################

#[AC_]PACKAGE_NAME
#[AC_]PACKAGE_TARNAME
#[AC_]PACKAGE_VERSION
#[AC_]PACKAGE_STRING
#[AC_]PACKAGE_BUGREPORT
AC_INIT([FACT++],[1.0],[thomas.bretz@epfl.ch],[FACTpp],[http://fact.isdc.unige.ch/svn/trunk/FACT++/])
AC_PREREQ([2.65])
AC_CONFIG_FILES([Makefile])   # causes x/Makefile.in to be created if x/Makefile.am exists
#AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([.macro_dir])
AC_CONFIG_AUX_DIR([.aux_dir])

AC_PROG_CC([colorgcc gcc])
AC_PROG_CXX([colorgcc g++])

######################################################################
# GNUC extension support (needed for the evnt builder)
######################################################################

AC_USE_SYSTEM_EXTENSIONS(_GNU_SOURCE)

######################################################################
# Setup the libtool and the language
######################################################################

LT_INIT([disable-static])
AC_LANG(C++)
#AC_PATH_XTRA

######################################################################
# Automake initial setup
######################################################################

AM_INIT_AUTOMAKE([1.11 -Wall subdir-objects std-options no-define color-tests parallel-tests silent-rules])
AM_SILENT_RULES([yes])
AM_PROG_CC_C_O

######################################################################
# DOXYGEN SUPPORT
######################################################################

### FIXME: Need a configure commandline switch
DX_ENV_APPEND(EXTRACT_ALL, YES)
DX_ENV_APPEND(RECURSIVE,   YES)
DX_ENV_APPEND(ALL_GRAPHS,  NO)  # change to yes to switch on call(er) graphs

#DX_DOXYGEN_FEATURE(ON)
#DX_DOT_FEATURE(ON)               # sets HAVE_DOT
#DX_HTML_FEATURE(ON)              # sets GENERATE_HTML (default)
#DX_CHM_FEATURE(ON|OFF)           # sets GENERATE_HTMLHELP
#DX_CHI_FEATURE(ON|OFF)           # sets GENERATE_CHI
#DX_MAN_FEATURE(ON)               # sets GENERATE_MAN (segfaults)
#DX_RTF_FEATURE(ON|OFF)           # sets GENERATE_RTF
#DX_XML_FEATURE(ON|OFF)           # sets GENERATE_XML
#DX_PDF_FEATURE(ON|OFF)           # sets GENERATE_PDF (default)
DX_PS_FEATURE(OFF)                # sets GENERATE_PS  (default)
DX_INIT_DOXYGEN($PACKAGE_NAME)#, DOXYFILE-PATH, [OUTPUT-DIR])

#USE_HTAGS              = $(USE_HTAGS)

######################################################################
# pthread/Readline/NCurses (pthread needed by dim and boost)
######################################################################

AC_LANG_PUSH(C)

# Check for math library (some linux need this to compile cfitsio)
AC_CHECK_LIB([m],[cos])

# Needed to compile dim
ACX_PTHREAD

CPPFLAGS+=" "$PTHREAD_CFLAGS" "
LDFLAGS+=" "$PTHREAD_CFLAGS" "


# Needed to compile FACT++
AC_CHECK_READLINE

if test "x$have_readline" != "xyes"; then
   AC_MSG_ERROR([The readline library is not properly installed.])
fi

CPPFLAGS+=" "$READLINE_INCLUDES" "
LDFLAGS+=" "$READLINE_LIBS" "

# Needed to compile FACT++
AC_CHECK_HEADERS([panel.h],, 
   AC_MSG_ERROR([ncurses header not found]))
   
# Needed to compile FACT++
AC_CHECK_LIB(panel, update_panels,, 
   AC_MSG_ERROR([ncurses panel library not found]))

# Xm.h (lesstif/motif, needed to compile did)
AC_FIND_MOTIF

CPPFLAGS+=" "$MOTIF_INCL" "
LDFLAGS+=" "$MOTIF_LDFLAGS" "

AM_COND_IF(HAS_LIBXP,, 
   AC_MSG_WARN([ Motif/lesstif not found!])
)

# Check for zlib and exit with error if not found (defines HAVE_LIBZ)
AC_CHECK_PACKAGE(zlib, inflateEnd, z, zlib.h,
		 HAVE_ZLIB=yes, HAVE_ZLIB=no)

# Check for GL and GLU needed for the raw event viewer
AC_CHECK_PACKAGE(GL, glLoadIdentity, GL, GL/gl.h, HAVE_GL=yes, HAVE_GL=no)
AC_CHECK_PACKAGE(GLU, gluNewTess, GLU, GL/glu.h, HAVE_GLU=yes, HAVE_GLU=no)

# Taken from http://code.google.com/p/autoconf-gl-macros/
#AX_CHECK_GL
#AX_CHECK_GLU
#AX_CHECK_GLUT

# Check for the fits header and zstream support from MARS
AC_CHECK_FILE(gui/RawEventsViewer/izstream.h, 
		HAVE_IZSTREAM_H=yes, HAVE_IZSTREAM_H=no)
AC_CHECK_FILE(gui/RawEventsViewer/fits.h, 
		HAVE_FITS_H=yes, HAVE_FITS_H=no)

# Needed to compile FACT++
AC_CHECK_PACKAGE(cfitsio, ffpss, cfitsio, fitsio.h, 
		 HAVE_CFITSIO=yes, HAVE_CFITSIO=no)

#AC_CHECK_HEADERS([fitsio.h],,AC_MSG_ERROR([cfitsio headers not found]))
#AC_CHECK_LIB([cfitsio], main,,AC_MSG_ERROR([cfitsio library not found]))

AC_LANG_POP

# Needed to compile FACT++
AC_CHECK_PACKAGE(ccfits, main, CCfits, CCfits/CCfits, 
		 HAVE_CCFITS=yes, HAVE_CCFITS=no)

#AC_CHECK_HEADERS([CCfits/CCfits],,
#   AC_MSG_ERROR(CCfits headers not found))
#AC_CHECK_LIB(CCfits, main,,
#   AC_MSG_ERROR(CCfits library not found))

######################################################################
# MySQL(++) SUPPORT
######################################################################

# Needed to compile FACT++
MYSQL_DEVEL
MYSQLPP_DEVEL

LDFLAGS+=" -lmysqlpp "

######################################################################
# BOOST SUPPORT
######################################################################

# Needed to compile FACT++
AX_BOOST_BASE([1.40], [],
   AC_MSG_ERROR([The boost C++ libraries (>=1.40) are not properly installed.])
)

AC_MSG_CHECKING([for BOOST_CPPFLAGS])
AC_MSG_RESULT([$BOOST_CPPFLAGS])

AC_MSG_CHECKING([for BOOST_LDFLAGS])
AC_MSG_RESULT([$BOOST_LDFLAGS])

# Keep this order AX_BOOST_FILESYSTEM needs AX_BOOST_SYSTEM_LIB
AX_BOOST_SYSTEM
AX_BOOST_ASIO
AX_BOOST_DATE_TIME
AX_BOOST_FILESYSTEM
AX_BOOST_PROGRAM_OPTIONS
AX_BOOST_REGEX
AX_BOOST_THREAD
#AX_BOOST_IOSTREAMS
#AX_BOOST_PYTHON
#AX_BOOST_SERIALIZATION
#AX_BOOST_SIGNALS
#AX_BOOST_TEST_EXEC_MONITOR
#AX_BOOST_UNIT_TEST_FRAMEWORK
#AX_BOOST_WAVE
#AX_BOOST_WSERIALIZATION

LDFLAGS+=" "$BOOST_LDFLAGS
LDFLAGS+=" "$BOOST_SYSTEM_LIB
LDFLAGS+=" "$BOOST_ASIO_LIB
LDFLAGS+=" "$BOOST_DATE_TIME_LIB
LDFLAGS+=" "$BOOST_FILESYSTEM_LIB
LDFLAGS+=" "$BOOST_PROGRAM_OPTIONS_LIB
LDFLAGS+=" "$BOOST_REGEX_LIB
LDFLAGS+=" "$BOOST_THREAD_LIB" "

CPPFLAGS+=" "$BOOST_CPPFLAGS" "

#AC_CHECK_HEADERS(
#   [\
#      boost/bind.hpp \
#      boost/lexical_cast.hpp \
#      boost/filesystem.hpp \
#      boost/thread.hpp \
#      boost/function.hpp \
#      boost/regex.hpp \
#      boost/asio.hpp \
#      boost/enable_shared_from_this.hpp \
#      boost/asio/deadline_timer.hpp \
#      boost/date_time/posix_time/posix_time.hpp \
#      boost/date_time/local_time/local_time.hpp \
#      boost/date_time/gregorian/gregorian.hpp 
#   ], [],
#   [
#      echo "Error! At least one needed header of the boost C++ libararies is missing." 
#      exit -1
#   ]
#)

######################################################################
# QT4/GUI SUPPORT
######################################################################

AC_ARG_WITH([qt4], 
   [AS_HELP_STRING([--without-qt4], [Disable qt4, i.e. disable gui support.])],
   [], [QT4_DO_IT_ALL])

AC_CHECK_PACKAGE(QGL, main, QtOpenGL, QtOpenGL/QGlWidget)


######################################################################
# ROOT SUPPORT
######################################################################

AC_ARG_WITH([root], 
   [AS_HELP_STRING([--without-root], [Disable root, i.e. disable gui support.])],
   [], [ROOT_PATH([5.12/00])]
)

if test "$ROOTEXEC" != no ;
then

   ROOTCPPFLAGS=$ROOTCFLAGS" "$ROOTAUXCFLAGS
   ROOTLDFLAGS="-L"$ROOTLIBDIR" -lGQt "

   #AC_CHECK_PROG(HAVE_ROOT_QT, libGQt.so.$ROOTSOVERSION, yes, no, $ROOTLIBDIR)
   #AC_CHECK_PROG(HAVE_GQT,     libGQt.so.$ROOTSOVERSION, yes, no, $LD_LIBRARY_PATH)

   # It seems it dooesn't work on older root versions
   ROOT_FEATURE([qt], [HAVE_ROOT_QT=yes])

   AC_SUBST(ROOTCPPFLAGS)
   AC_SUBST(ROOTLDFLAGS)
fi


######################################################################
# Check if we have colordiff to colorize 'svn diff'
######################################################################

# Nice to have to support colored diff
AC_CHECK_PROG(COLORDIFF, colordiff,    colordiff, cat)
AC_CHECK_PROG(GROFF,     groff,        yes, no)
AC_CHECK_PROG(PS2PDF,    ps2pdf,       yes, no)
AC_CHECK_PROG(HELP2MAN,  help2man,     yes, no)

##########################################################################
# debug compilation support
##########################################################################
#
#AC_MSG_CHECKING([whether to build with debug information])
#AC_ARG_ENABLE([debug],
#    [AS_HELP_STRING([--enable-debug],
#        [enable debug data generation (def=no)])],
#    [debugit="$enableval"],
#    [debugit=no])
#AC_MSG_RESULT([$debugit])
#
#if test x"$debugit" = x"yes"; then
#    AC_DEFINE([DEBUG],[],[Debug Mode])
#    AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -Werror -Wno-uninitialized -O0"
#else
#    AC_DEFINE([NDEBUG],[],[No-debug Mode])
#    AM_CXXFLAGS="$AM_CXXFLAGS -O3"
#fi
#

##########################################################################
# produce conditionals for Makefile.am and for summary
##########################################################################

AM_CONDITIONAL(HAS_COLORDIFF, [test "$COLORDIFF" = colordiff])
AM_CONDITIONAL(HAS_GROFF,     [test "$GROFF" = yes])
AM_CONDITIONAL(HAS_PS2PDF,    [test "$PS2PDF" = yes])
AM_CONDITIONAL(HAS_HELP2MAN,  [test "$HELP2MAN" = yes])
AM_CONDITIONAL(HAS_DOXYGEN,   [test -n "$DX_DOXYGEN"])
AM_CONDITIONAL(HAS_DOT,       [test -n "$DX_DOT"])
AM_CONDITIONAL(HAS_COLORGCC,  [test "$GCC" = colorgcc])
AM_CONDITIONAL(HAS_QT4,       [test -n "$QT4_VERSION"])
AM_CONDITIONAL(HAS_ROOT,      [test "$ROOTEXEC" != no])
AM_CONDITIONAL(HAS_ROOT_QT,   [test "$HAVE_ROOT_QT" = yes])
AM_CONDITIONAL(HAS_GUI,       [test "$QT4_VERSION" -a "$HAVE_ROOT_QT" = yes])
AM_CONDITIONAL(HAS_CFITSIO,   [test "$HAVE_CFITSIO" = yes])
AM_CONDITIONAL(HAS_CCFITS,    [test "$HAVE_CCFITS" = yes])
AM_CONDITIONAL(HAS_FITS,      [test "$HAVE_CFITSIO" = yes -a "$HAVE_CCFITS" = yes])
AM_CONDITIONAL(HAS_ZLIB,      [test "$HAVE_ZLIB" = yes])
AM_CONDITIONAL(HAS_IZSTREAM_H,[test "$HAVE_IZSTREAM_H" = yes])
AM_CONDITIONAL(HAS_FITS_H,    [test "$HAVE_FITS_H" = yes])
AM_CONDITIONAL(HAS_GL,        [test "$HAVE_GL" = yes])
AM_CONDITIONAL(HAS_GLU,       [test "$HAVE_GLU" = yes])

AM_CONDITIONAL(HAS_VIEWER,    [test "$QT4_VERSION" -a "$HAVE_FITS_H" = yes -a "$HAVE_GL" = yes -a "$HAVE_GLU" = yes])

AM_CONDITIONAL(IS_FALSE,      [test "x" = "y"])
AM_CONDITIONAL(IS_TRUE,       [test "x" = "x"])

AM_COND_IF(HAS_FITS, [AC_DEFINE(HAVE_FITS)], )
AM_COND_IF(HAS_ROOT, [AC_DEFINE(HAVE_ROOT)], )

AM_COND_IF(HAS_FITS_H, [
   AM_COND_IF(HAS_IZSTREAM_H, [
      AM_COND_IF(HAS_ZLIB, [AC_DEFINE(HAVE_ZLIB)], )
   ])
],)


##########################################################################
# print summary
##########################################################################

AC_OUTPUT

AC_MSG_NOTICE()
AC_MSG_NOTICE(============================== summary =============================)
AC_MSG_NOTICE()
AC_MSG_NOTICE([ CPPFLAGS = $CPPFLAGS])
AC_MSG_NOTICE()
AC_MSG_NOTICE([ LDFLAGS  = $LDFLAGS])
AC_MSG_NOTICE()
AC_MSG_NOTICE(--------------------------------------------------------------------)
AC_MSG_NOTICE()
AC_MSG_NOTICE([ BOOST_CPPFLAGS = $BOOST_CPPFLAGS])
AC_MSG_NOTICE([ BOOST_LDFLAGS  = $BOOST_LDFLAGS])
AC_MSG_NOTICE()
AM_COND_IF(HAS_QT4, [
   AC_MSG_NOTICE(--------------------------------------------------------------------)
   AC_MSG_NOTICE()
   AC_MSG_NOTICE([ QT4_VERSION  = $QT4_VERSION])
   AC_MSG_NOTICE()
   AC_MSG_NOTICE([ QT4_LIB      = $QT4_LIB])
   AC_MSG_NOTICE([ QT4_LDFLAGS  = $QT4_LDFLAGS])
   AC_MSG_NOTICE([ QT4_INCLUDES = $QT4_INCLUDES])
   AC_MSG_NOTICE()
   AC_MSG_NOTICE([ MOC4 = $MOC4])
   AC_MSG_NOTICE([ UIC4 = $UIC4])
   AC_MSG_NOTICE([ RCC4 = $RCC4])
   AC_MSG_NOTICE()
],[])
AM_COND_IF(HAS_ROOT, [
   AC_MSG_NOTICE(--------------------------------------------------------------------)
   AC_MSG_NOTICE()
   AC_MSG_NOTICE([ ROOTVERSION   = $ROOTVERSION])
   AC_MSG_NOTICE()
   AC_MSG_NOTICE([ ROOTEXEC      = $ROOTEXEC])
   AC_MSG_NOTICE([ ROOTCONF      = $ROOTCONF])
   AC_MSG_NOTICE([ ROOTCINT      = $ROOTCINT])
   AC_MSG_NOTICE([ ROOTCPPFLAGS  = $ROOTCPPFLAGS])
   AC_MSG_NOTICE([ ROOTLDFLAGS   = $ROOTLDFLAGS])
   AC_MSG_NOTICE()
],[])
AC_MSG_NOTICE(--------------------------------------------------------------------)
AC_MSG_NOTICE()
AC_MSG_NOTICE([ zlib                   / 'zlib.h'          found: $HAVE_ZLIB])
AC_MSG_NOTICE([ gui/RawEventsViewer/izstream.h             found: $HAVE_IZSTREAM_H])
AC_MSG_NOTICE([ gui/RawEventsViewer/fits.h                 found: $HAVE_FITS_H])
AC_MSG_NOTICE([ GL                     / GL/gl.h           found: $HAVE_GL])
AC_MSG_NOTICE([ GLU                    / GL/glu.h          found: $HAVE_GLU])
AC_MSG_NOTICE([ cfitsio                / 'fitsio.h'        found: $HAVE_CFITSIO])
AC_MSG_NOTICE([ CCfits                 / 'CCfits/CCfits'   found: $HAVE_CCFITS])
AM_COND_IF(HAS_LIBXP,
   AC_MSG_NOTICE([ Motif/lesstif          / 'Xm/Xm.h' 'libXp' found: yes]),
   AC_MSG_NOTICE([ Motif/lesstif          / 'Xm/Xm.h' 'libXp' found: no])
)

AM_COND_IF(HAS_LIBXP,
   AC_MSG_NOTICE([ Motif/lesstif          / 'Xm/Xm.h' 'libXp' found: yes]),
   AC_MSG_NOTICE([ Motif/lesstif          / 'Xm/Xm.h' 'libXp' found: no])
)
AM_COND_IF(HAS_COLORDIFF,
   AC_MSG_NOTICE([ colored svn diff       / 'colordiff'       found: yes]),
   AC_MSG_NOTICE([ colored svn diff       / 'colordiff'       found: no])
)
AM_COND_IF(HAS_HELP2MAN,[
   AC_MSG_NOTICE([ man-pages enabled      / 'help2man'        found: $HELP2MAN])
   AM_COND_IF(HAS_GROFF,
      AC_MSG_NOTICE([ build of html enabled  / 'groff'           found: yes])
      AC_MSG_NOTICE([ build of pdf  enabled  / 'ps2pdf'          found: $PS2PDF]),
      AC_MSG_NOTICE([ build of html and pdf  / 'groff'           found: no])
   )
],[
   AC_MSG_NOTICE([ man, html, pdf enabled / 'help2man'        found: no])
])   

AM_COND_IF(HAS_DOXYGEN,
   AC_MSG_NOTICE([ doxygen docu enabled   / 'doxygen'         found: $DX_DOXYGEN]),
   AC_MSG_NOTICE([ doxygen docu enabled   / 'doxygen'         found: no])
)
AM_COND_IF(HAS_DOT,
   AC_MSG_NOTICE([ doxygen graphs enabled / 'dot' (graphviz)  found: $DX_DOT]),
   AC_MSG_NOTICE([ doxygen graphs enabled / 'dot' (graphviz)  found: no])
)
AM_COND_IF(HAS_QT4,
   AC_MSG_NOTICE([ QT4 support enabled    /  QT4 toolkit      found: yes]),
   AC_MSG_NOTICE([ QT4 support enabled    /  QT4 toolkit      found: no])
)
AC_MSG_NOTICE([ ROOT support enabled   /  root >= 5.12/00  found: $ROOTEXEC])
AM_COND_IF(HAS_ROOT_QT,
   AC_MSG_NOTICE([ ROOT built with --with-qt                  found: yes]),
   AC_MSG_NOTICE([ ROOT built with --with-qt                  found: no])
)
AC_MSG_NOTICE()
AC_MSG_NOTICE(--------------------------------------------------------------------)
AC_MSG_NOTICE()
AC_MSG_NOTICE([Suggestions and hints:])
AC_MSG_NOTICE()
AC_MSG_NOTICE([ - Add 'V=1' to you make-call to switch on verbose output.])
AC_MSG_NOTICE([ - Do not try to create man-pages with doxygen,])
AC_MSG_NOTICE([   it does most probably not work.])
AM_COND_IF(HAS_COLORGCC,,
   AC_MSG_NOTICE([ - Install colorgcc to get colored compiler output.])
)
AC_MSG_NOTICE([ - If you send me a bug report about:])
AC_MSG_NOTICE([   + configure: please attach the file config.log])
AC_MSG_NOTICE([   + make: please send me the output of 'make V=1'])
AC_MSG_NOTICE()
AC_MSG_NOTICE(--------------------------------------------------------------------)
AC_MSG_NOTICE()
AC_MSG_NOTICE([Some interesting build targets:])
AC_MSG_NOTICE()
AC_MSG_NOTICE([ diff:          colored 'svn diff' if colordiff is installed])
AM_COND_IF(HAS_HELP2MAN,[
   AC_MSG_NOTICE([ program.man:   build man-page from 'program --help'])
   AC_MSG_NOTICE([                (display with 'man ./program.man')])
   AM_COND_IF(HAS_GROFF,[
      AC_MSG_NOTICE([ program.html:  build html page from man-page])
      AM_COND_IF(HAS_PS2PDF,
         AC_MSG_NOTICE([ program.pdf:   build pdf documentation from man page])
      )
   ])
])
AM_COND_IF(HAS_DOXYGEN,
   AC_MSG_NOTICE([ doxygen-run:   build html documentation with doxygen])
   AC_MSG_NOTICE([ doxygen-doc:   build html and pdf documentation with doxygen])
)
AC_MSG_NOTICE([ man:           build all buildable documentation])
AC_MSG_NOTICE()
AC_MSG_NOTICE(--------------------------------------------------------------------)
AC_MSG_NOTICE()
AM_COND_IF(HAS_FITS_H, [
   AM_COND_IF(HAS_ZLIB,, 
      AC_MSG_WARN([ zlib not found. Support for .fits.gz in viewer disabled.])
   )
   AM_COND_IF(HAS_IZSTREAM_H,, 
      AC_MSG_WARN([ Mars izstream.h not found in gui/RawEventsViewer. Support for .fits.gz disabled.])
   )
], 
   AC_MSG_WARN([ Mars fits.h not found in gui/RawEventsViewer. Target 'viewer' disabled.])
)
AM_COND_IF(HAS_LIBXP,, 
   AC_MSG_WARN([ Motif/lesstif not found. The dim gui did will not be built!])
)
AM_COND_IF(HAS_FITS,, 
   AC_MSG_WARN([ FITS support disabled. cfitsio/CCfits missing!])
)
AM_COND_IF(HAS_ROOT,  
   [AM_COND_IF(HAS_ROOT_QT,, 
      AC_MSG_WARN([ root found but it was built without the --with-qt option])
   )]
)
AM_COND_IF(HAS_GL,,  AC_MSG_WARN([ GL not found - viewer will be disabled.]))
AM_COND_IF(HAS_GLU,, AC_MSG_WARN([ GLU not found - viewer will be disabled.]))

AM_COND_IF(HAS_QT4, [], 
      AC_MSG_WARN([ QT4 missing: fact and viewer GUI disabled!])
)
AM_COND_IF(HAS_GUI, [], 
      AC_MSG_WARN([ Either QT4 or qt-root is missing: fact GUI disabled!])
)
AC_MSG_NOTICE()