#!/bin/sh

echo -n "Checking pkg-config..."

if ! pkg-config --version >/dev/null 2>&1; then

echo "error: no pkg-config in \$PATH."

exit 1

fi

echo "ok"

echo -n "Checking pkg-config --cflags zlib..."

if ! pkg-config --cflags zlib >/dev/null 2>&1; then

if [ -f /usr/include/zlib.h ]; then

echo "not found, but /usr/include/zlib.h exists..."

zlib_cflags="x"

zlib_libs=

else

echo "internal"

zlib_cflags=

zlib_libs=

fi

else

echo "system"

zlib_cflags="pkg-config --cflags zlib"

zlib_libs="pkg-config --libs zlib"

fi

echo -n "Checking pkg-config --cflags lua[jit|5.1|5.2|51|52]..."

if [ "x$LUA" = "x" ]; then

lua_ver="luajit lua5.1 lua5.2 lua lua-5.1 lua-5.2 lua51 lua52"

else

lua_ver=$LUA

fi

for v in $lua_ver; do

if pkg-config --cflags "$v" >/dev/null 2>&1; then

echo "$v"

lua_cflags="pkg-config --cflags $v"

lua_libs="pkg-config --libs $v"

break

fi

done

if test "x$lua_libs" = "x"; then

echo "failed: no package lua/lua5.1/lua5.2/lua-5.1/lua-5.2/lua51/lua52"

echo "Please install lua development package."

exit 1

fi

echo -n "Checking pkg-config sdl3..."

if ! pkg-config sdl3 >/dev/null 2>&1; then

echo "error: no sdl3-config in \$PATH."

echo "Please install sdl3, sdl3_ttf, sdl3_mixer and sdl3_image development packages."

exit 1

else

echo "ok"

sdl_config="pkg-config sdl3"

sdl_libs="-lSDL3_ttf -lSDL3_mixer -lSDL3_image -lm"

fi

echo -n "Checking pkg-config sdl3 --cflags..."

if ! $sdl_config --cflags >/dev/null 2>&1; then

echo "failed."

exit 1

fi

echo "ok"

ops="$CPPFLAGS $CFLAGS $LDFLAGS"

ops=$ops" "`$lua_cflags`

ops=$ops" "`$lua_libs`

echo -n "Looking for compiler..."

if ! $CC --version >/dev/null 2>&1; then

if ! cc --version >/dev/null 2>&1; then

if ! gcc --version >/dev/null 2>&1; then

echo "cc, gcc, \$(CC) are not valid compilers... Please export CC for valid one...";

exit 1;

else

cc="gcc";

fi

else

cc="cc"

fi

else

cc=$CC

fi

cat << EOF >/tmp/sdl-test.c

#include <SDL3/SDL.h>

#include <SDL3_image/SDL_image.h>

#include <SDL3_ttf/SDL_ttf.h>

#include <SDL3/SDL_mutex.h>

#include <SDL3_mixer/SDL_mixer.h>

int main(int argc, char **argv)

{

return 0;

}

EOF

echo $cc

echo -n "Checking test build...("

echo -n $cc /tmp/sdl-test.c $ops `$sdl_config --cflags` `$sdl_config --libs` $sdl_libs -o /tmp/sdl-test ")..."

if ! $cc /tmp/sdl-test.c $ops `$sdl_config --cflags` `$sdl_config --libs` $sdl_libs -o /tmp/sdl-test; then

echo "failed".

echo "Please sure if these development packages are installed: sdl, sdl_ttf, sdl_mixer, sdl_image."

rm -f /tmp/sdl-test.c /tmp/sdl-test

exit 1

fi

echo "ok"

rm -f /tmp/sdl-test.c /tmp/sdl-test

cat << EOF >/tmp/iconv-test.c

#include <iconv.h>

int main(int argc, char **argv)

{

iconv_open("","");

}

EOF

echo $cc

echo -n "Checking iconv...("

echo -n "$cc /tmp/iconv-test.c -o iconv-test)..."

if $cc /tmp/iconv-test.c -o /tmp/iconv-test >/dev/null 2>&1; then

CFLAGS="$CFLAGS -D_HAVE_ICONV -DLIBICONV_PLUG" # force FreeBSD to use iconv.h from base

echo "ok"

elif $cc /tmp/iconv-test.c -liconv -o /tmp/iconv-test >/dev/null 2>&1; then

CFLAGS="$CFLAGS -D_HAVE_ICONV"

LDFLAGS="$LDFLAGS -liconv"

echo "ok, with -liconv"

elif $cc /tmp/iconv-test.c -I/usr/local/include -L/usr/local/lib -liconv -o /tmp/iconv-test >/dev/null 2>&1; then

CFLAGS="$CFLAGS -I/usr/local/include -D_HAVE_ICONV"

LDFLAGS="$LDFLAGS -L/usr/local/lib -liconv"

echo "ok, with -liconv and -L/usr/local/lib"

else

echo -n "failed. Build without iconv.".

fi

rm -f /tmp/iconv-test.c /tmp/iconv-test

if ! make clean >/dev/null 2>&1; then

echo " * Warning!!! Can not do make clean..."

fi

echo -n "Generating config.make..."

echo "# autamatically generated by configure.sh" >config.make

if [ ! -z "$CFLAGS" ]; then

echo "EXTRA_CFLAGS+=$CFLAGS" >> config.make

fi

if [ ! -z "$LDFLAGS" ]; then

echo "EXTRA_LDFLAGS+=$LDFLAGS" >> config.make

fi

if [ -z "$zlib_cflags" ]; then

echo "SUBDIRS=src/zlib" >> config.make

echo "ZLIB_CFLAGS=-Izlib" >> config.make

echo "ZLIB_LFLAGS=zlib/libz.a" >> config.make

elif [ "$zlib_cflags" = "x" ]; then

echo "ZLIB_CFLAGS=" >> config.make

echo "ZLIB_LFLAGS=-lz" >> config.make

else

echo "ZLIB_CFLAGS=\$(shell $zlib_cflags)" >> config.make

echo "ZLIB_LFLAGS=\$(shell $zlib_libs)" >> config.make

fi

echo "LUA_CFLAGS=\$(shell $lua_cflags)" >> config.make

echo "LUA_LFLAGS=\$(shell $lua_libs)" >> config.make

echo "SDL_CFLAGS=\$(shell $sdl_config --cflags)" >> config.make

echo "SDL_LFLAGS=\$(shell $sdl_config --libs) $sdl_libs" >> config.make

echo "ok"

if [ "x$PREFIX" = "x" ]; then

echo -n "Choose installation mode. Standalone(1) or system(2) [1]: "

read ans

else

ans="2"

fi

if [ "x$ans" = "x1" -o "x$ans" = "x" ]; then

echo " * Standalone version"

rm -f Rules.make

ln -sf Rules.make.standalone Rules.make

rm -f sdl-instead

ln -sf src/sdl-instead sdl-instead

echo "Ok. We are ready to build. Use these commands:"

echo " \$ make"

echo " \$ ./sdl-instead"

elif [ "x$ans" = "x2" ]; then

if [ "x$PREFIX" = "x" ]; then

echo -n "Enter prefix path [/usr/local]: "

read ans

else

ans="$PREFIX"

fi

if [ "x$ans" = "x" ]; then

prefix="/usr/local"

else

prefix="$ans"

fi

rm -f Rules.make

ln -s Rules.make.system Rules.make

echo " * System version with prefix: $prefix"

echo "PREFIX=$prefix" >> config.make

echo "BIN=\$(PREFIX)/bin/" >> config.make

echo "DATAPATH=\$(PREFIX)/share/instead" >> config.make

echo "STEADPATH=\$(DATAPATH)/stead" >> config.make

echo "THEMESPATH=\$(DATAPATH)/themes" >> config.make

echo "GAMESPATH=\$(DATAPATH)/games" >> config.make

echo "ICONPATH=\$(PREFIX)/share/pixmaps" >> config.make

echo "DOCPATH=\$(PREFIX)/share/doc/instead" >> config.make

echo "LANGPATH=\$(DATAPATH)/lang" >> config.make

echo "MANPATH=\$(PREFIX)/share/man/man6" >> config.make

echo "Ok. We are ready to build and install. Use these commands:"

echo " \$ make"

echo " \$ sudo make install"

echo " \$ sdl-instead"

else

echo "Huh!!! Wrong answer."

exit 1

fi

echo " Enjoy..."