+#!/bin/sh
+# some elements originated from qemu configure
+set -e
+
+TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
+TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
+TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
+trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
+rm -f config.log
+
+compile_object()
+{
+ c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
+ echo $c >> config.log
+ $c >> config.log 2>&1
+}
+
+compile_binary()
+{
+ c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
+ echo $c >> config.log
+ $c >> config.log 2>&1
+}
+
+check_define()
+{
+ $CC -E -dD $CFLAGS pico/arm_features.h | grep -q $1 || return 1
+ return 0
+}
+
+# setting options to "yes" or "no" will make that choice default,
+# "" means "autodetect".
+
+platform_list="generic pandora"
+platform="generic"
+sound_driver_list="oss alsa sdl"
+sound_drivers=""
+have_armv5=""
+have_armv6=""
+have_armv7=""
+have_arm_neon=""
+have_tslib=""
+enable_dynarec="yes"
+need_sdl="no"
+need_xlib="no"
+# these are for known platforms
+optimize_cortexa8="no"
+optimize_arm926ej="no"
+
+# hardcoded stuff
+CC="${CC-${CROSS_COMPILE}gcc}"
+CXX="${CXX-${CROSS_COMPILE}g++}"
+AS="${AS-${CROSS_COMPILE}as}"
+MAIN_LDLIBS="$LDLIBS -lm"
+config_mak="config.mak"
+
+fail()
+{
+ echo "$@"
+ exit 1
+}
+
+# call during arg parsing, so that cmd line can override platform defaults
+set_platform()
+{
+ platform=$1
+ case "$platform" in
+ generic)
+ ;;
+ pandora)
+ sound_drivers="oss alsa"
+ optimize_cortexa8="yes"
+ have_arm_neon="yes"
+ ;;
+ *)
+ fail "unsupported platform: $platform"
+ ;;
+ esac
+}
+
+for opt do
+ optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
+ case "$opt" in
+ --help|-h) show_help="yes"
+ ;;
+ --platform=*) set_platform "$optarg"
+ ;;
+ --sound-drivers=*) sound_drivers="$optarg"
+ ;;
+ --enable-neon) have_arm_neon="yes"
+ ;;
+ --disable-neon) have_arm_neon="no"
+ ;;
+ --disable-dynarec) enable_dynarec="no"
+ ;;
+ *) echo "ERROR: unknown option $opt"; show_help="yes"
+ ;;
+ esac
+done
+
+if [ "$show_help" = "yes" ]; then
+ echo "options:"
+ echo " --help print this message"
+ echo " --platform=NAME target platform [$platform]"
+ echo " available: $platform_list"
+ echo " --sound-drivers=LIST sound output drivers [guessed]"
+ echo " available: $sound_driver_list"
+ echo " --enable-neon"
+ echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
+ echo " --disable-dynarec disable dynamic recompiler"
+ echo " (dynarec is only available and enabled on ARM)"
+ echo "influential environment variables:"
+ echo " CROSS_COMPILE CC CXX AS CFLAGS ASFLAGS LDFLAGS LDLIBS"
+ exit 1
+fi
+
+# validate selections
+if [ "x$sound_drivers" != "x" ]; then
+ for d in $sound_drivers; do
+ if ! echo $sound_driver_list | grep -q "\<$d\>"; then
+ fail "unsupported sound driver: $sound_driver"
+ fi
+ done
+fi
+
+if [ "$need_libpicofe" = "yes" ]; then
+ if ! test -f "frontend/libpicofe/README"; then
+ fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
+ fi
+fi
+
+#if [ "$need_warm" = "yes" ]; then
+# if ! test -f "frontend/warm/README"; then
+# fail "wARM is missing, please run 'git submodule init && git submodule update'"
+# fi
+#fi
+
+# basic compiler test
+cat > $TMPC <<EOF
+int main(void) { return 0; }
+EOF
+if ! compile_binary; then
+ fail "compiler test failed, please check config.log"
+fi
+
+if [ -z "$ARCH" ]; then
+ ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
+fi
+
+case "$ARCH" in
+arm*)
+ # ARM stuff
+ ARCH="arm"
+
+ if [ "$optimize_cortexa8" = "yes" ]; then
+ CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
+ ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
+ fi
+ if [ "$optimize_arm926ej" = "yes" ]; then
+ CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
+ ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
+ fi
+
+ if [ "x$have_arm_neon" = "x" ]; then
+ # detect NEON from user-supplied cflags to enable asm code
+ have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
+ fi
+ if [ "x$have_armv7" = "x" ]; then
+ if check_define HAVE_ARMV7; then
+ have_armv7="yes"
+ have_armv6="yes"
+ have_armv5="yes"
+ fi
+ fi
+ if [ "x$have_armv6" = "x" ]; then
+ if check_define HAVE_ARMV6; then
+ have_armv6="yes"
+ have_armv5="yes"
+ fi
+ fi
+ if [ "x$have_armv5" = "x" ]; then
+ have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
+ fi
+
+ # automatically set mfpu and mfloat-abi if they are not set
+ if [ "$have_arm_neon" = "yes" ]; then
+ fpu="neon"
+ elif [ "$have_armv6" = "yes" ]; then
+ fpu="vfp"
+ fi
+ if [ "x$fpu" != "x" ]; then
+ echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
+ echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
+ floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
+ if [ "$floatabi_set_by_gcc" != "yes" ]; then
+ echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
+ echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
+ fi
+ fi
+
+ # must disable thumb as recompiler can't handle it
+ if check_define __thumb__; then
+ CFLAGS="$CFLAGS -marm"
+ fi
+
+ # warn about common mistakes
+ if [ "$have_armv5" != "yes" ]; then
+ if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
+ echo "Warning: compiling for ARMv4, is that really what you want?"
+ echo "You probably should specify -mcpu= or -march= like this:"
+ echo " CFLAGS=-march=armv6 ./configure ..."
+ fi
+ fi
+ if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
+ echo "Warning: compiling for NEON, but not ARMv7?"
+ echo "You probably want to specify -mcpu= or -march= like this:"
+ echo " CFLAGS=-march=armv7-a ./configure ..."
+ fi
+ ;;
+*)
+ # dynarec only available on ARM
+ enable_dynarec="no"
+ ;;
+esac
+
+case "$platform" in
+generic)
+ need_sdl="yes"
+ ;;
+esac
+
+# header/library presence tests
+check_zlib()
+{
+ cat > $TMPC <<EOF
+ #include <zlib.h>
+ int main(void) { uncompress(0, 0, 0, 0); }
+EOF
+ compile_binary
+}
+
+check_libpng()
+{
+ cat > $TMPC <<EOF
+ #include <png.h>
+ void main() { png_init_io(0, 0); }
+EOF
+ compile_binary
+}
+
+check_oss()
+{
+ cat > $TMPC <<EOF
+ #include <sys/soundcard.h>
+ #include <sys/ioctl.h>
+ void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
+EOF
+ compile_binary
+}
+
+check_alsa()
+{
+ cat > $TMPC <<EOF
+ #include <alsa/asoundlib.h>
+ void main() { snd_pcm_open(0, 0, 0, 0); }
+EOF
+ compile_binary "$@"
+}
+
+check_sdl()
+{
+ cat > $TMPC <<EOF
+ #include <SDL.h>
+ void main() { SDL_OpenAudio(0, 0); }
+EOF
+ compile_binary "$@"
+}
+
+#MAIN_LDLIBS="$MAIN_LDLIBS -lz"
+#check_zlib || fail "please install zlib (libz-dev)"
+
+MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
+check_libpng || fail "please install libpng (libpng-dev)"
+
+# find what audio support we can compile
+if [ "x$sound_drivers" = "x" ]; then
+ if check_oss; then sound_drivers="$sound_drivers oss"; fi
+ if check_alsa -lasound; then
+ sound_drivers="$sound_drivers alsa"
+ MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
+ fi
+ if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
+ sound_drivers="$sound_drivers sdl"
+ need_sdl="yes"
+ fi
+else
+ if echo $sound_drivers | grep -q "\<oss\>"; then
+ check_oss || fail "oss support is missing"
+ fi
+ if echo $sound_drivers | grep -q "\<alsa\>"; then
+ MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
+ check_alsa || fail "please install libasound2-dev"
+ fi
+fi
+
+if [ "$need_sdl" = "yes" ]; then
+ which sdl-config > /dev/null || \
+ fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
+ CFLAGS="$CFLAGS `sdl-config --cflags`"
+ MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
+ check_sdl || fail "please install libsdl (libsdl1.2-dev)"
+fi
+
+cat > $TMPC <<EOF
+void test(void *f, void *d) { fread(d, 1, 1, f); }
+EOF
+if compile_object -Wno-unused-result; then
+ CFLAGS="$CFLAGS -Wno-unused-result"
+fi
+
+# set things that failed to autodetect to "no"
+test "x$have_armv6" != "x" || have_armv6="no"
+test "x$have_armv7" != "x" || have_armv7="no"
+test "x$have_arm_neon" != "x" || have_arm_neon="no"
+
+echo "architecture $ARCH"
+echo "platform $platform"
+echo "sound drivers $sound_drivers"
+echo "C compiler $CC"
+echo "C compiler flags $CFLAGS"
+echo "libraries $MAIN_LDLIBS"
+echo "linker flags $LDFLAGS"
+echo "enable dynarec $enable_dynarec"
+# echo "ARMv7 optimizations $have_armv7"
+# echo "enable ARM NEON $have_arm_neon"
+
+echo "# Automatically generated by configure" > $config_mak
+printf "# Configured with:" >> $config_mak
+printf " '%s'" "$0" "$@" >> $config_mak
+echo >> $config_mak
+
+echo "CC = $CC" >> $config_mak
+echo "CXX = $CXX" >> $config_mak
+echo "AS = $AS" >> $config_mak
+echo "CFLAGS += $CFLAGS" >> $config_mak
+echo "ASFLAGS += $ASFLAGS" >> $config_mak
+echo "LDFLAGS += $LDFLAGS" >> $config_mak
+echo "LDLIBS += $MAIN_LDLIBS" >> $config_mak
+echo >> $config_mak
+
+echo "ARCH = $ARCH" >> $config_mak
+echo "PLATFORM = $platform" >> $config_mak
+echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
+if [ "$have_arm_neon" = "yes" ]; then
+ echo "HAVE_NEON = 1" >> $config_mak
+fi
+if [ "$enable_dynarec" = "yes" ]; then
+ echo "USE_DYNAREC = 1" >> $config_mak
+fi
+
+# use pandora's skin (for now)
+test -e skin || ln -s platform/pandora/skin skin
+
+# vim:shiftwidth=2:expandtab