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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 dump scripts (sets -DDUMP_SCRIPTS)
# - whether mad should be used (--enabled-mad) -> set LIBS/DEFINES
# * detect whether the chose backend is available (e.g. call sdl-config)
# * detect whether mad/ALSA/... are available
# * detect endianess and write that into config.h
# * detect size of data types and write that into config.h
# * check whether compiler supports "bool" and if not,
# define HAVE_NO_BOOL and add code to config.h to implement "bool"
# * ....
# 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"
}
#
# Check any parameters we received
#
# TOOD: allow for multi value params, e.g. --target=dreamcast or --backend=morphos
#
USE_MAD=0;
DUMP_SCRIPTS=0;
for x in $@; do
case x$x in
x--enable-mad)
USE_MAD=1;;
x--enable-dump-scripts)
DUMP_SCRIPTS=1;;
esac;
done;
#
# Greet user
#
echo "Running ScummVM configure..."
echo -n > config.h
#
# Determine the C++ compiler
#
echo -n "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
#
# Determine hosttype
#
# TODO - also add an command line option to override this
echo -n "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
#
echo -n "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
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