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

AC_INIT(src/lyx.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)
LYX_GET_VERSION(${srcdir}/src/version.h)

AC_CANONICAL_SYSTEM
AC_VALIDATE_CACHE_SYSTEM_TYPE

AC_ARG_WITH(lyxname,
  [  --with-lyxname          the name under which lyx will be installed],
  [lyxname=$withval],[lyxname=lyx])

AM_INIT_AUTOMAKE($lyxname, $VERSION)

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

AC_PREFIX_PROGRAM(lyx)

# 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

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

### check for special systems
AC_ISC_POSIX
AC_AIX
LYX_HPUX
LYX_SUNOS4
LYX_SCO

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

### Check for a C++ compiler
AC_LANG_CPLUSPLUS
LYX_PROG_CXX
AC_PROG_CXXCPP
AC_DISABLE_SHARED
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

### Some checks on what the C++ compiler can(not) do
LYX_CXX_MUTABLE
LYX_CXX_PARTIAL
LYX_CXX_EXPLICIT
dnl we do not use stl stack, or at least not on gcc 2.7, which was the 
dnl cause for this test. 
dnl LYX_CXX_STL_STACK
LYX_CXX_STL_STRING
LYX_CXX_NAMESPACES
LYX_CXX_CHEADERS
LYX_STD_COUNT
dnl we disable rtti for now
dnl LYX_CXX_RTTI
AC_CHECK_HEADERS(ostream istream sstream)
LYX_CXX_STL_MODERN_STREAMS

### We need a regex implementation, so we provide our own if none is found.
LYX_REGEX

### 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)])
 
### Check for the -liberty library
test "x$GXX" = xyes && lyx_use_liberty=yes
AC_ARG_WITH(liberty,
  [  --without-liberty       do not try to link against libiberty.a],
  [lyx_use_liberty=$withval])
if test x$lyx_use_liberty = xyes; then
  # AC_CHECK_LIB(iberty,main,LIBS="-liberty $LIBS")
  AC_CHECK_LIB(iberty,main)
fi

### Check for X libraries
# Check for the pt library (for SCO, needed for X)
AC_CHECK_LIB(pt,ptsname,X_EXTRA_LIBS="-lpt $X_EXTRA_LIBS")
# The real thing.
AC_PATH_XTRA
LIBS="$X_PRE_LIBS $LIBS $X_LIBS -lX11 $X_EXTRA_LIBS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"

## Check whether X is new enough to handle the input method stuff
AC_CHECK_FUNCS(XOpenIM)

### Check for xforms and xpm (only if X has been found).
if test "$have_x" = yes ; then
# We surely need these two libraries and want to check carefully the
# version numbers... 
LYX_PATH_XPM
LYX_PATH_XFORMS
AC_SUBST(LYX_LIBS)
else
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 GNUgettext 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)

# some annoying header files
#LYX_PATH_HEADER(stl_string_fwd.h)
LYX_STL_STRING_FWD

# some standard structures
AC_HEADER_STAT
AC_HEADER_TIME
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_ST_RDEV

# 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

# some functions we'd like to have
AC_ARG_WITH(broken-headers,
    [  --with-broken-headers   define some functions on SunOS4 and SCO],
    [lyx_broken_headers=$withval])
if test "x$lyx_broken_headers" = "xyes"; then
  lyx_flags="$lyx_flags broken-headers"
  AC_DEFINE(BROKEN_HEADERS, 1,
    [Define on SunOS 4 and SCO, were some functions are missing from the headers])
fi
AC_CHECK_FUNCS(memmove memset strchr putenv setenv mkfifo)

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

# SunOS 4.1.3 does not have strerror and atexit
AC_REPLACE_FUNCS(strerror atexit)

### and now some special lyx flags.
AC_ARG_WITH(two-colors,[  --with-two-colors       use two color pixmaps],
  [AC_DEFINE(TWO_COLOR_ICONS,1,
     [You might want to define TWO_COLOR_ICONS if you want to spare
 your colormap.  This will use monochrome icons instead of colored ones.])
   lyx_flags="$lyx_flags two-colors"])
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

### Finish the work.
AC_CONFIG_SUBDIRS(lib lib/reLyX)
AC_OUTPUT([Makefile \
       development/lyx.spec \
       lib/Makefile \
       intl/Makefile \
       po/Makefile.in \
       src/Makefile \
       src/mathed/Makefile \
       src/insets/Makefile \
       src/support/Makefile \
],  [sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile])


cat <<EOF

Configuration:
  Source code location:       ${srcdir}
  C++ Compiler:                   ${CXX}
  C++ Compiler flags:             ${CXXFLAGS}
  C   Compiler:                   ${CC}
  C   Compiler flags:             ${CFLAGS}
  LyX binary dir:             `eval "echo \`eval \"echo ${bindir}\"\`"`
  LyX files dir:              `eval "echo \`eval \"echo ${datadir}/${PACKAGE}\"\`"`
  Special flags:              ${lyx_flags}

EOF

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