dnl Process with autoconf to generate configure script   -*- sh -*-

AC_INIT(src/main.C)
AC_PREREQ(2.13) dnl We want to use autoconf 2.13
AM_CONFIG_HEADER(src/config.h)
dnl This is a trick to make autoheader do the right thing
dnl AM_CONFIG_HEADER(src/config.h)
AC_CONFIG_AUX_DIR(config)

PACKAGE=lyx${program_suffix}
VERSION="1.3.1cvs"
LYX_CHECK_VERSION

AC_CANONICAL_SYSTEM

LYX_VERSION_SUFFIX

AM_INIT_AUTOMAKE($lyxname, $VERSION)

# The list of languages known to LyX
# This is needed by GNU gettext
ALL_LINGUAS="bg ca cs da de es eu fi fr he hu it nl no pl pt ro ru sk sl sv tr wa"

# fix the value of the prefixes.
test "x$prefix" = xNONE && prefix=$ac_default_prefix
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'

### Set the execute permissions of the various scripts correctly
for file in config/install-sh config/mkinstalldirs lib/configure ; do
  chmod 755 ${srcdir}/${file}
done

### Check for programs
AC_PROG_MAKE_SET
AC_PROG_INSTALL
#AC_PROG_RANLIB
AC_CHECK_PROG(KPSEWHICH, kpsewhich, kpsewhich, :)
if test "x$KPSEWHICH" = xkpsewhich ; then
    AC_DEFINE(HAVE_KPSEWHICH, 1,
    [Define this if you have the kpsewhich program working on your system.])
fi
AC_CHECK_PROGS(M4, gm4 gnum4 m4, m4)

# Work around a problem in automake 1.4: when invoking install-strip,
# INSTALL_PROGRAM is changed to 'install -s', and since
# INSTALL_SCRIPT==INSTALL_PROGRAM, we get errors with fileutils-4.0
# which returns an error condition when stripping fails.
INSTALL_SCRIPT='${INSTALL}'

### we will also need a C compiler to compile GNU gettext
AC_PROG_CC

### check for special systems
AC_ISC_POSIX
AC_AIX

### Check for program extensions (.exe or nothing)
AC_EXEEXT

### check which frontend we want to use
LYX_USE_FRONTEND

### Check for a C++ compiler
LYX_PROG_CXX
### Some checks on what the C++ compiler can(not) do
AC_LANG_CPLUSPLUS
dnl we do not need that currently (and probably all our supported
dnl compiler allow that)
dnl LYX_CXX_PARTIAL
LYX_CXX_EXPLICIT
LYX_CXX_STL_STRING
LYX_CXX_GOOD_STD_STRING
LYX_CXX_CHEADERS
LYX_CXX_GLOBAL_CSTD
LYX_STD_COUNT
dnl we disable rtti for now
dnl LYX_CXX_RTTI
AC_CHECK_HEADERS(ostream istream sstream locale limits)
LYX_CXX_STL_MODERN_STREAMS

### and now some special lyx flags.
AC_ARG_ENABLE(assertions,
  [  --enable-assertions     add runtime sanity checks in the program],,
  [if test $lyx_devel_version = yes -o $lyx_prerelease = yes ; then
	enable_assertions=yes;
    else
	enable_assertions=no;
    fi;])
if test "x$enable_assertions" = xyes ; then
   lyx_flags="$lyx_flags assertions"
   AC_DEFINE(ENABLE_ASSERTIONS,1,
    [Define if you want assertions to be enabled in the code])
fi

### Library Files
dnl by testing these we check if it is ok to have
dnl -lc and -lm as args to the compiler
AC_CHECK_LIB(m, sin)
AC_CHECK_LIB(c, fopen)

### Add extra directories to check for libraries.
LYX_WITH_DIR([extra-lib],[extra library directory],extra_lib, NONE)
LYX_LOOP_DIR($lyx_cv_extra_lib,LYX_ADD_LIB_DIR(lyx_ldflags,$dir))
test ! x"$lyx_ldflags" = x && LDFLAGS="$lyx_ldflags $LDFLAGS"

### Add extra directories to check for include files.
LYX_WITH_DIR([extra-inc],[extra include directory],extra_inc, NONE)
LYX_LOOP_DIR($lyx_cv_extra_inc,LYX_ADD_INC_DIR(lyx_cppflags,$dir))
test ! x"$lyx_cppflags" = x && CPPFLAGS="$lyx_cppflags $CPPFLAGS"

### Add both includes and libraries
LYX_WITH_DIR([extra-prefix],[extra lib+include directory],extra_prefix, NONE, ${prefix})
LYX_LOOP_DIR($lyx_cv_extra_prefix,[
LYX_ADD_INC_DIR(CPPFLAGS,$dir/include)
  LYX_ADD_LIB_DIR(LDFLAGS,$dir/lib)])

AC_ARG_WITH(aiksaurus,
  [  --without-aiksaurus     do not use the Aiksaurus library],
  [lyx_use_aiksaurus=$withval])
if test x$lyx_use_aiksaurus != xno; then
AC_CHECK_LIB(Aiksaurus, main,
	[AC_DEFINE(HAVE_LIBAIKSAURUS,,[Define this if you have the AikSaurus library])
	 AIKSAURUS_LIBS="-lAiksaurus -lbz2"
	],,"-lbz2")
fi
AC_SUBST(AIKSAURUS_LIBS)

### Setup libtool
AC_DISABLE_SHARED
AC_LIBTOOL_WIN32_DLL
#AM_PROG_LIBTOOL
LYX_PROG_LIBTOOL

### Check if we want pspell libraries
CHECK_WITH_PSPELL

### Check for X libraries
# The real thing.
AC_PATH_XTRA
LIBS="$X_PRE_LIBS $LIBS $X_LIBS -lX11 $X_EXTRA_LIBS"
# Since solaris X headers use int as implicit return type and modern
# gcc's do not like that, let's use -isystem instead of -I.
# We should test for gcc version and see whether it supports -isystem,
# but since at least gcc 2.6.x supports it and it is still too old for
# us, it seems we are safe.
if test -n "$GXX" ; then
  X_CFLAGS=`echo ${X_CFLAGS} | sed -e 's/-I/-isystem /'`
fi
CPPFLAGS="$CPPFLAGS $X_CFLAGS"

### check which frontend we want to use

#LYX_USE_FRONTEND
dnl The code below is not in a macro, because this would cause big
dnl problems with the AC_REQUIRE contained in KDE_DO_IT_ALL.
case "$lyx_use_frontend" in
  xforms)
	LYX_PATH_XPM
	LYX_PATH_XFORMS
	LYX_CHECK_XFORMS_IMAGE_LOADER
	FRONTEND="xforms"
        RPM_FRONTEND="xforms"
        RPM_FRONTEND_DEPS='libforms >= 1.0'
	FRONTEND_GUILIB="xforms/*.lo xforms/forms/*.lo"
	FRONTEND_INCLUDES="-I\$(srcdir)/xforms"
	FRONTEND_LIBS="@XFORMS_IMAGE_LIB@ @XFORMS_LIB@ @XPM_LIB@"
	FRONTEND_INFO="    libXpm version:               ${XPM_VERSION}\n\
    libforms version:             ${XFORMS_VERSION}\n"
	;;
dnl   gnome)
dnl # Leaving these tests in means that they are performed twice for the
dnl # xforms frontend. No, I don't understand why :-(
dnl # Angus 16 Dec 2002.
dnl #     LYX_PATH_XPM
dnl #     LYX_PATH_XFORMS
dnl #     LYX_CHECK_XFORMS_IMAGE_LOADER
dnl     PKG_CHECK_MODULES(GNOME_FRONTEND, gtkmm-2.0 libglademm-2.0)
dnl     AC_SUBST(GNOME_FRONTEND_CFLAGS)
dnl     AC_SUBST(GNOME_FRONTEND_LIBS)

dnl     FRONTEND="xforms gnome"
dnl     FRONTEND_GUILIB="gnome/*.lo"
dnl     FRONTEND_LDFLAGS="${GNOME_FRONTEND_LIBS}"
dnl     FRONTEND_INCLUDES="-I\${srcdir}/gnome -I\${srcdir}/xforms ${GNOME_FRONTEND_CFLAGS} "
dnl     FRONTEND_LIBS="@XPM_LIB@ @XFORMS_LIB@ ${GNOME_FRONTEND_LIBS}";;
  qt)
    QT_DO_IT_ALL
    RPM_FRONTEND="qt"
    RPM_FRONTEND_DEPS='qt >= 2.2.1'
    FRONTEND="qt2"
    FRONTEND_GUILIB="qt2/*.lo qt2/ui/*.lo qt2/moc/*.lo qt2/ui/moc/*.lo"
    FRONTEND_LDFLAGS="\$(QT_LDFLAGS)"
    FRONTEND_INCLUDES="-I\${srcdir}/qt2 \$(QT_INCLUDES)"
    FRONTEND_LIBS="\$(QT_LIB)"
    FRONTEND_INFO="    Qt version:                   ${QT_VERSION}\n"
    ;;
  *)
    LYX_ERROR(Unknown frontend $lyx_use_frontend);;
esac

### Check for xforms and xpm (only if X has been found).
if test "$have_x" = no ; then
LYX_ERROR(dnl
[Cannot find X window libraries and/or headers. Check your installation.
   If you use a Linux system, check that you have installed
   the development tools.])
fi

### Setup GNU gettext
dnl GNU gettext is written in C
AC_LANG_C
# Some tests that may be useful for gettext
AC_C_CONST
AC_C_INLINE
# Do the real setup now
AM_GNU_GETTEXT
# a hack for those who try to change LyX, but do not have gettext installed
case  "${XGETTEXT}" in
 *:) XGETTEXT='cp ${srcdir}/lyx.pot ./${PACKAGE}.po ; :'
esac

AC_SUBST(LINGUAS)

AC_LANG_CPLUSPLUS

# some standard header files
AC_HEADER_DIRENT
AC_HEADER_MAJOR
AC_CHECK_HEADERS(sys/time.h sys/types.h sys/select.h strings.h locale.h)

# some standard structures
AC_HEADER_STAT
AC_HEADER_TIME

# some standard types
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_UID_T

AC_CHECK_FUNCS(snprintf vsnprintf strerror)
LYX_CHECK_DECL(snprintf, stdio.h)
LYX_CHECK_DECL(vsnprintf, stdio.h)
LYX_CHECK_DECL(istreambuf_iterator, iterator)

dnl This is a slight hack: the tests generated by autoconf 2.52 do not
dnl work correctly because of some conflict with stdlib.h with g++ 2.96
dnl We aim to remove this eventually, since we should test as much as
dnl possible with the compiler which will use the functions (JMarc)
AC_LANG_C
AC_CHECK_FUNCS(memmove memset strchr putenv setenv mkfifo mkstemp mktemp)
AC_LANG_CPLUSPLUS

dnl Until this is fixed in autoconf we provide our own version
LYX_FUNC_SELECT_ARGTYPES

dnl check whether we have to work around solaris broken putenv()
LYX_FUNC_PUTENV_ARGTYPE


LYX_CHECK_DECL_HDRS(mkstemp,[unistd.h stdlib.h])

### Some information on what just happened
real_bindir=`eval "echo \`eval \"echo ${bindir}\"\`"`
real_datadir=`eval "echo \`eval \"echo ${datadir}/${PACKAGE}\"\`"`
VERSION_INFO="Configuration\n\
  Host type:                      ${host}\n\
  Special build flags:           ${lyx_flags}\n\
  C   Compiler:                   ${CC}\n\
  C   Compiler flags:             ${CFLAGS}\n\
  C++ Compiler:                   ${CXX} ${CXX_VERSION}\n\
  C++ Compiler flags:             ${CXXFLAGS}\n\
  Linker flags:                   ${LDFLAGS}\n\
  Frontend:                       ${lyx_use_frontend}\n\
${FRONTEND_INFO}\
  LyX binary dir:                 ${real_bindir}\n\
  LyX files dir:                  ${real_datadir}\n"


AC_SUBST(VERSION_INFO)
AC_SUBST(RPM_FRONTEND, 'xforms')
AC_SUBST(RPM_FRONTEND_DEPS, 'libforms >= 1.0')

### Finish the work.
AC_CONFIG_SUBDIRS(lib lib/reLyX)
AC_OUTPUT([Makefile \
       boost/Makefile \
       boost/libs/Makefile \
       boost/libs/regex/Makefile \
       boost/libs/regex/src/Makefile \
       boost/libs/signals/Makefile \
       boost/libs/signals/src/Makefile \
       config/Makefile \
       development/Makefile \
       development/lyx.spec \
       lib/Makefile \
       intl/Makefile \
       po/Makefile.in \
       sourcedoc/Doxyfile \
       sourcedoc/Makefile \
       src/Makefile \
       src/version.C \
       src/mathed/Makefile \
       src/graphics/Makefile \
       src/insets/Makefile \
       src/support/Makefile \
       src/frontends/Makefile \
       src/frontends/controllers/Makefile \
       src/frontends/xforms/Makefile \
       src/frontends/xforms/forms/Makefile \
       src/frontends/qt2/Makefile \
       src/frontends/qt2/moc/Makefile \
       src/frontends/qt2/ui/Makefile \
       src/frontends/qt2/ui/moc/Makefile \
       src/frontends/gnome/Makefile \
])

# show version information
echo
printf "$VERSION_INFO"
echo

# Display a final warning if there has been a LYX_ERROR
LYX_CHECK_ERRORS