configure.in

# -*-autoconf-*-
# GemRB - Infinity Engine Emulator
# Copyright (C) 2003-2005 The GemRB Project
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#

###################################################

# I used fluxbox's configure.in as a template of sorts, and 
# Redhat's autotools book. Thanks to everyone involved with 
# both of these projects!
# The build system was mostly done by edheldil & subvertir

dnl Initialize autoconf and automake

AC_PREREQ([2.57])
AC_INIT(gemrb, 0.8.0-git)

AC_MSG_WARN([


The autotools build system is NO LONGER MAINTAINED and may be dropped in
future versions! Please switch to using cmake instead.

])

AC_CONFIG_AUX_DIR([admin])
AC_CONFIG_SRCDIR([gemrb/])
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(AC_PACKAGE_NAME,AC_PACKAGE_VERSION)
AM_CONFIG_HEADER(config.h)
AC_USE_SYSTEM_EXTENSIONS

for top_builddir in . .. ../.. $ac_auxdir $ac_auxdir/..; do
  test -f $top_builddir/configure && break
done

dnl Check for required software.
AC_DISABLE_STATIC
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_LIBTOOL

AC_LANG([C++])

if test "x$docdir" = "x" ; then
  docdir=$datadir/doc
fi

AC_ARG_ENABLE(subdirs, AS_HELP_STRING(--disable-subdirs,Install plugins and data directly to LIBDIR and DATADIR), gemrb_use_subdirs=$enableval, gemrb_use_subdirs=yes)
if test "x$gemrb_use_subdirs" = "xno" ; then
  plugindir=$libdir/plugins
  moddir=$datadir
else
  plugindir=$libdir/gemrb/plugins
  moddir=$datadir/gemrb
fi

AC_ARG_ENABLE(debug, AS_HELP_STRING(--enable-debug,Build in debug mode), gemrb_use_debug=$enableval, gemrb_use_debug=no)
if test "x$gemrb_use_debug" = "xyes" ; then
  CFLAGS="$CFLAGS -O0 -g"
  CXXFLAGS="$CXXFLAGS -O0 -g"
fi

AC_SUBST(plugindir)
AC_SUBST(moddir)
AC_SUBST(docdir)


dnl Check for recent STL with <vector>::at()
AC_CHECK_STL_CONTAINER_AT([], [AC_MSG_ERROR([

*** Your STL library does not define method container::at().
*** It probably means that its version is too old.
*** Please upgrade your standard C++ library to version 3.x.
])])

dnl Determine prefix.
if test "x$prefix" = "xNONE"; then
  prefix=$ac_default_prefix
  ac_configure_args="$ac_configure_args --prefix $prefix"
fi

dnl Check various functions.
AC_CHECK_SIZEOF([char])
AC_CHECK_SIZEOF([short int])
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long int])
AC_CHECK_SIZEOF([long long int])
AC_CHECK_FUNCS([getcwd])
AC_CHECK_FUNCS([gettimeofday])
AC_CHECK_FUNCS([memchr])
AC_CHECK_FUNCS([memmove])
AC_CHECK_FUNCS([memset])
AC_CHECK_FUNCS([mkdir])
AC_CHECK_FUNCS([rmdir])
AC_CHECK_FUNCS([sqrt])
AC_CHECK_FUNCS([strcasecmp])
AC_CHECK_FUNCS([strchr])
AC_CHECK_FUNCS([strdup])
AC_CHECK_FUNCS([strrchr])
AC_CHECK_FUNCS([strstr])
AC_CHECK_FUNCS([strtol])
AC_CHECK_FUNCS([strtoul])
AC_CHECK_FUNCS([strndup])
AC_CHECK_FUNCS([strnlen])
AC_CHECK_FUNCS([strlcpy])
AC_CHECK_HEADERS([fcntl.h])
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([sys/time.h])
AC_CHECK_HEADERS([sys/stat.h])
AC_CHECK_LIB(dl, dlopen, [LIBDL="-ldl"], [LIBDL=""])
AC_SUBST(LIBDL)

AC_CHECK_PTHREADS

dnl Check for zlib.
CHECK_ZLIB()

dnl Check for libSDL Version 1.2 or greater, fail if not found.
AM_PATH_SDL(1.2.0, [], [AC_MSG_ERROR([

*** You need LibSDL (www.libsdl.org) version 1.2.0 or greater to compile GemRB
])])

dnl Check for OpenAL, fail if not found.
AM_PATH_OPENAL([], [AC_MSG_ERROR([

*** You need OpenAL (www.openal.org) to compile GemRB
])])

#AC_CHECK_LIB([openal], [alGetError], [ $(which true) ], [AC_MSG_ERROR([
#*** You need OpenAL (www.openal.org) to compile GemRB
#])])
##AC_CHECK_LIB([alut], [alutInit], [ $(which true) ], [AC_MSG_ERROR([
##*** You need OpenAL (www.openal.org) to compile GemRB
##])])
#OPENAL_LIBS="`openal-config --libs`"

##GEMRB_CHECK_ALUT()

dnl Check for Python version >= 2.3.0, fail if not found.
AM_PATH_PYTHON(2.3.0, [], [AC_MSG_ERROR([

*** You need Python (www.python.org) version 2.3.0 or greater to compile GemRB
])])

dnl Check for Python headers and libraries, fail if not found.
AM_CHECK_PYTHON_HEADERS([], [AC_MSG_ERROR([

*** You need Python >=2.3.0 headers installed to compile GemRB
*** See if your distribution offers -dev packages!
])])

dnl Check for Python libraries, fail if not found.
AM_CHECK_PYTHON_LIBS([], [AC_MSG_ERROR([

*** You need Python >=2.3.0 shared libraries installed to compile GemRB
*** Maybe you need to recompile python with --shared-libs
])])


AC_CHECK_HEADER([vorbis/vorbisfile.h],
	[AC_CHECK_LIB(vorbisfile, ov_info,
		[AC_DEFINE( HAS_VORBIS_SUPPORT, 1, [Handling of .ogg soundfiles])
		vorbis_ok=yes],[vorbis_ok=no], -lvorbis )],
	[vorbis_ok=no])
AM_CONDITIONAL([VORBIS], [test x$vorbis_ok = xyes])

dnl FIXME: check for libpng properly, using libpng(12)-config
AC_CHECK_HEADER(png.h,,AC_MSG_ERROR([*** libpng not found!]))
AC_CHECK_LIB(png,png_create_read_struct,,AC_MSG_ERROR([*** libpng not found!]))
AC_SUBST(LIBPNG,-lpng)

AC_C_CONST
AC_C_INLINE
AC_C_RESTRICT
AC_C_VOLATILE
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_STAT
AC_FUNC_STRFTIME
AC_FUNC_STRNLEN
AC_HEADER_DIRENT
AC_HEADER_STDBOOL
AC_HEADER_STAT
AC_HEADER_TIME
AC_REPLACE_FNMATCH
AC_STRUCT_TM
AC_TYPE_SIZE_T

CPPFLAGS="$CPPFLAGS -DSYSCONFDIR=\\\"\$(sysconfdir)\\\" -DDATADIR=\\\"\$(moddir)\\\" -DPLUGINDIR=\\\"\$(plugindir)\\\""
CPPFLAGS="$CPPFLAGS -I\$(top_srcdir)/gemrb/includes -I\$(top_srcdir)/gemrb/core"
CXXFLAGS="$CXXFLAGS -Wall -W -Wpointer-arith -Wcast-align -pedantic -Wno-format-y2k -Wno-long-long -fno-strict-aliasing"

AC_ARG_ENABLE(werror, AS_HELP_STRING(--disable-werror,Make compiler warning non-fatal.), enable_werror=$enableval, enable_werror=yes)
if test "x$enable_werror" = "xyes" ; then
  CXXFLAGS="$CXXFLAGS -Werror"
fi

# only export symbols explicitly marked to be exported
CXXFLAGS="$CXXFLAGS -fvisibility=hidden"

dnl Check for "ISO C++ forbids casting between pointer-to-function and pointer-to-object" as in GCC4
AC_CHECK_OBJECT_TO_FUNCTION_CAST


AC_SUBST(LIBS)
AC_SUBST(OPENAL_LIBS)

AC_CONFIG_FILES([
Makefile
gemrb/Makefile 
gemrb/core/Makefile
gemrb/includes/Makefile 
gemrb/override/Makefile
gemrb/override/bg1/Makefile
gemrb/override/bg2/Makefile
gemrb/override/how/Makefile
gemrb/override/iwd/Makefile
gemrb/override/iwd2/Makefile
gemrb/override/pst/Makefile
gemrb/override/shared/Makefile
gemrb/unhardcoded/Makefile
gemrb/unhardcoded/bg1/Makefile
gemrb/unhardcoded/bg2/Makefile
gemrb/unhardcoded/how/Makefile
gemrb/unhardcoded/iwd/Makefile
gemrb/unhardcoded/iwd2/Makefile
gemrb/unhardcoded/pst/Makefile
gemrb/unhardcoded/shared/Makefile
gemrb/GUIScripts/Makefile
gemrb/GUIScripts/bg1/Makefile
gemrb/GUIScripts/bg2/Makefile
gemrb/GUIScripts/iwd/Makefile
gemrb/GUIScripts/iwd2/Makefile
gemrb/GUIScripts/pst/Makefile
gemrb/plugins/Makefile 
gemrb/plugins/2DAImporter/Makefile 
gemrb/plugins/ACMReader/Makefile
gemrb/plugins/OGGReader/Makefile
gemrb/plugins/WAVReader/Makefile
gemrb/plugins/AREImporter/Makefile 
gemrb/plugins/BAMImporter/Makefile 
gemrb/plugins/BIFImporter/Makefile 
gemrb/plugins/BIKPlayer/Makefile
gemrb/plugins/BMPImporter/Makefile 
gemrb/plugins/BMPWriter/Makefile
gemrb/plugins/PNGImporter/Makefile 
gemrb/plugins/CHUImporter/Makefile 
gemrb/plugins/CREImporter/Makefile 
gemrb/plugins/DLGImporter/Makefile 
gemrb/plugins/EFFImporter/Makefile 
gemrb/plugins/FXOpcodes/Makefile 
gemrb/plugins/IWDOpcodes/Makefile 
gemrb/plugins/PSTOpcodes/Makefile 
gemrb/plugins/GAMImporter/Makefile 
gemrb/plugins/GUIScript/Makefile 
gemrb/plugins/IDSImporter/Makefile 
gemrb/plugins/INIImporter/Makefile 
gemrb/plugins/ITMImporter/Makefile 
gemrb/plugins/KEYImporter/Makefile 
gemrb/plugins/DirectoryImporter/Makefile
gemrb/plugins/MOSImporter/Makefile 
gemrb/plugins/MUSImporter/Makefile 
gemrb/plugins/MVEPlayer/Makefile
gemrb/plugins/NullSound/Makefile 
gemrb/plugins/OpenALAudio/Makefile 
gemrb/plugins/PLTImporter/Makefile 
gemrb/plugins/PROImporter/Makefile 
gemrb/plugins/SAVImporter/Makefile
gemrb/plugins/SDLVideo/Makefile 
gemrb/plugins/SPLImporter/Makefile 
gemrb/plugins/STOImporter/Makefile 
gemrb/plugins/TISImporter/Makefile 
gemrb/plugins/TLKImporter/Makefile 
gemrb/plugins/TTFImporter/Makefile
gemrb/plugins/WEDImporter/Makefile 
gemrb/plugins/WMPImporter/Makefile 
gemrb/plugins/ZLibManager/Makefile
gemrb/docs/Makefile 
gemrb/docs/en/Makefile 
gemrb/docs/en/GUIScript/Makefile 
gemrb/docs/en/Tables/Makefile 
gemrb/docs/en/Engine/Makefile 
])
AC_CONFIG_FILES([gemrb.spec])
AC_OUTPUT