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|
#!/bin/sh
#
# THIS SCRIPT DOESN'T DO ANYTHING YET!
#
# Some things this script could/should do when finished
#
# * detect the compiler name (g++/c++/...)
# * detect whether its a GNU compiler or not (for compiler settings)
# * detect the host platform and base settings on this:
# - #defines like -DUNIX and -DMACOSX
# - required libs like -lmingw32
# * command line options to...
# - override the host settings (for cross compiles
# - select the desired backend (sdl, x11, ...)
# - whether to do a debug build (with -g) or an optimized build (-O3 etc.)
# * detect whether the chosen backend is available (e.g. call sdl-config)
# * generate a config.mak file for use in makefiles
# * ....
# default lib behaviour yes/no/auto
_vorbis=auto
_mad=auto
_alsa=auto
# default option behaviour yes/no
_build_scumm=yes
_build_simon=yes
_build_sky=yes
echocheck () {
echo -n "Checking for $@... "
}
#
# Check whether the given command is a working C++ compiler
#
test_compiler ()
{
cat <<EOF >tmp_cxx_compiler.cpp
class Foo {
int a;
};
int main(int argc, char **argv)
{
Foo *a = new Foo();
delete a;
return 0;
}
EOF
eval "$1 -o tmp_cxx_compiler tmp_cxx_compiler.cpp 2> /dev/null" && eval "./tmp_cxx_compiler 2> /dev/null" && rm tmp_cxx_compiler tmp_cxx_compiler.cpp
}
#
# Determine a data type with the given length
#
find_type_with_size ()
{
cat <<EOF >tmp_find_type_with_size.cpp
#include <stdio.h>
int main(int argc, char **argv)
{
int size = argv[1][0] - '0';
if (size == sizeof(int))
printf("int\n");
else if (size == sizeof(short))
printf("short\n");
else if (size == sizeof(char))
printf("char\n");
else if (size == sizeof(long))
printf("long\n");
else {
printf("unknown\n");
return 1;
}
return 0;
}
EOF
if eval "$CXX -o tmp_find_type_with_size tmp_find_type_with_size.cpp"; then
datatype=`./tmp_find_type_with_size $1`
if test "$datatype" = "unknown"; then
echo "couldn't find data type with $1 bytes"
exit 1
fi
fi
rm tmp_find_type_with_size tmp_find_type_with_size.cpp
echo $datatype
}
#
# Greet user
#
echo "Running ScummVM configure..."
echo "/* This file is automatically generated by configure */" > config.h
echo "/* DO NOT EDIT MANUALLY */" >> config.h
echo "" >> config.h
echo "#ifndef CONFIG_H" >> config.h
echo "#define CONFIG_H" >> config.h
echo "" >> config.h
#
# Check any parameters we received
#
# TOOD: allow for multi value params, e.g. --target=dreamcast or --backend=morphos
#
for parm in "$@" ; do
if test "$parm" = "--help" || test "$parm" = "-help" || test "$parm" = "-h" ; then
cat << EOF
Usage: $0 [OPTIONS]...
Configuration:
-h, --help display this help and exit
Optional Features:
--disable-scumm don't build the SCUMM engine
--disable-simon don't build the simon engine
--disable-sky don't build the Beneath a Steel Sky engine
Optional Libraries:
--disable-alsa disable ALSA midi sound support [autodetect]
--disable-vorbis disable Ogg Vorbis support [autodetect]
--disable-mad disable libmad (MP3) support [autodetect]
EOF
exit 0
fi
done # for parm in ...
for x in $@; do
case $x in
--disable-scumm) _build_scumm=no ;;
--disable-simon) _build_simon=no ;;
--disable-sky) _build_sky=no ;;
--enable-alsa) _alsa=yes ;;
--disable-alsa) _alsa=no ;;
--enable-vorbis) _vorbis=yes ;;
--disable-vorbis) _vorbis=no ;;
--enable-mad) _mad=yes ;;
--disable-mad) _mad=no ;;
esac;
done;
#
# Determine the C++ compiler
#
printf "Looking for C++ compiler... "
compilers="$CXX g++ c++"
CXX=
for compiler in $compilers; do
if test_compiler $compiler; then
CXX=$compiler
echo $CXX
break
fi
done
if test -z $CXX; then
echo "none found!"
exit 1
fi
# Engine selection
if test "$_build_scumm" = no ; then
echo "#define DISABLE_SCUMM" >> config.h
else
echo "#undef DISABLE_SCUMM" >> config.h
fi
if test "$_build_simon" = no ; then
echo "#define DISABLE_SIMON" >> config.h
else
echo "#undef DISABLE_SIMON" >> config.h
fi
if test "$_build_sky" = no ; then
echo "#define DISABLE_SKY" >> config.h
else
echo "#undef DISABLE_SKY" >> config.h
fi
echo >> config.h
#
# Determine hosttype
#
# TODO - also add an command line option to override this?!?
# TODO - recognize more systems, e.g. *BSD
printf "Checking hosttype... "
hosttype=`uname -s`
echo $hosttype
case $hosttype in
Linux)
echo "#define UNIX" >> config.h
;;
Darwin)
echo "#define UNIX" >> config.h
echo "#define MACOSX" >> config.h
;;
esac
#
# Check for endianess
#
printf "Checking endianess... "
cat <<EOF >tmp_endianess_check.cpp
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
unsigned int data = 0x01234567;
char *ptr = (char *)&data;
if (ptr[0] == 0x01 && ptr[1] == 0x23 && ptr[2] == 0x45 && ptr[3] == 0x67)
printf("big\n");
else if (ptr[3] == 0x01 && ptr[2] == 0x23 && ptr[1] == 0x45 && ptr[0] == 0x67)
printf("little\n");
else
printf("unknown\n");
return 0;
}
EOF
$CXX -o tmp_endianess_check tmp_endianess_check.cpp
endianess=`./tmp_endianess_check`
echo $endianess;
case $endianess in
big)
echo "#define SCUMM_BIG_ENDIAN" >> config.h
;;
little)
echo "#define SCUMM_LITTLE_ENDIAN" >> config.h
;;
*)
exit 1
;;
esac
rm tmp_endianess_check tmp_endianess_check.cpp
#
# Determine data type sizes
# TODO: proper error checking
#
printf "Type with 1 byte... "
type_1_byte=`find_type_with_size 1`
echo "$type_1_byte"
printf "Type with 2 bytes... "
type_2_byte=`find_type_with_size 2`
echo "$type_2_byte"
printf "Type with 4 bytes... "
type_4_byte=`find_type_with_size 4`
echo "$type_4_byte"
echo >> config.h
echo "/* Data types */" >> config.h
echo "typedef unsigned $type_1_byte byte;" >> config.h
echo "typedef unsigned int uint;" >> config.h
echo "typedef unsigned $type_1_byte uint8;" >> config.h
echo "typedef unsigned $type_2_byte uint16;" >> config.h
echo "typedef unsigned $type_4_byte uint32;" >> config.h
echo "typedef signed $type_1_byte int8;" >> config.h
echo "typedef signed $type_2_byte int16;" >> config.h
echo "typedef signed $type_4_byte int32;" >> config.h
echo >> config.h
echo "/* Libs */" >> config.h
echocheck "Ogg Vorbis"
if test "$_vorbis" = auto ; then
_vorbis=no
cat > tmp_vorbis_check.cpp << EOF
#include <vorbis/codec.h>
int main(void) { vorbis_packet_blocksize(0,0); return 0; }
EOF
$CXX -lvorbis -logg -lm -o tmp_vorbis_check tmp_vorbis_check.cpp && _vorbis=yes
rm tmp_vorbis_check tmp_vorbis_check.cpp 2> /dev/null
fi
if test "$_vorbis" = yes ; then
echo "#define USE_VORBIS" >> config.h
LIBS="$LIBS -lvorbisfile -lvorbis"
else
echo "#undef USE_VORBIS" >> config.h
fi
echo "$_vorbis"
echocheck "MAD"
if test "$_mad" = auto ; then
_mad=no
cat > tmp_mad.cpp << EOF
#include <mad.h>
int main(void) {return 0; }
EOF
$CXX tmp_mad.cpp -lmad && _mad=yes
rm tmp_mad.cpp tmp_mad 2> /dev/null
fi
if test "$_mad" = yes ; then
echo "#define USE_MAD" >> config.h
LIBS="$LIBS -lmad"
else
echo "#undef USE_MAD" >> config.h
fi
echo "$_mad"
echocheck "ALSA 9"
if test "$_alsa" = auto ; then
_alsa=no
cat > tmp_alsa.cpp << EOF
#include <alsa/asoundlib.h>
int main(void) { return (!(SND_LIB_MAJOR==0 && SND_LIB_MINOR==9)); }
EOF
$CXX -lasound -o tmp_alsa tmp_alsa.cpp && _alsa=yes
rm tmp_alsa tmp_alsa.cpp 2> /dev/null
fi
if test "$_alsa" = yes ; then
echo "#define USE_ALSA" >> config.h
LIBS="$LIBS -lasound"
else
echo "#undef USE_ALSA" >> config.h
fi
echo "$_alsa"
#
# End of config.h
#
echo "" >> config.h
echo "#endif /* CONFIG_H */" >> config.h
|