gpulib: limit height
[pcsx_rearmed.git] / configure
index 835672e..4d3bb5f 100755 (executable)
--- a/configure
+++ b/configure
@@ -24,8 +24,7 @@ compile_binary()
 
 check_define()
 {
-  echo "" > $TMPC
-  $CC -E -dD $CFLAGS $TMPC | grep -q $1 || return 1
+  $CC -E -dD $CFLAGS include/arm_features.h | grep -q $1 || return 1
   return 0
 }
 
@@ -36,18 +35,24 @@ platform_list="generic pandora maemo caanoo libretro"
 platform="generic"
 builtin_gpu_list="peops unai neon"
 builtin_gpu=""
-sound_driver_list="oss alsa sdl pulseaudio libretro"
+sound_driver_list="oss alsa pulseaudio sdl libretro"
 sound_drivers=""
 plugins="plugins/spunull/spunull.so \
 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
 ram_fixed="no"
 drc_cache_base="no"
+have_armv5=""
 have_armv6=""
 have_armv7=""
 have_arm_neon=""
 have_tslib=""
+have_gles=""
 enable_dynarec="yes"
 need_sdl="no"
+need_libpicofe="yes"
+need_warm="no"
+CFLAGS_GLES=""
+LDLIBS_GLES=""
 # these are for known platforms
 optimize_cortexa8="no"
 optimize_arm926ej="no"
@@ -91,9 +96,11 @@ set_platform()
     ram_fixed="yes"
     drc_cache_base="yes"
     optimize_arm926ej="yes"
+    need_warm="yes"
     ;;
   libretro)
     sound_drivers="libretro"
+    need_libpicofe="no"
     ;;
   *)
     fail "unsupported platform: $platform"
@@ -156,13 +163,36 @@ if [ "x$sound_drivers" != "x" ]; then
   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 > $TMPC <<EOF
+#include <zlib.h>
+int main(void) { return 0; }
+EOF
+if ! compile_binary; then
+  fail "compiler test failed, please check config.log"
+fi
+
 if [ -z "$ARCH" ]; then
-  ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
-        | awk -F '-' '{print $1}'`
+  ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
 fi
 
-# ARM stuff
-if [ "$ARCH" = "arm" ]; then
+case "$ARCH" in
+arm*)
+  # ARM stuff
+  ARCH="arm"
+
   if [ "$optimize_cortexa8" = "yes" ]; then
     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
@@ -176,15 +206,22 @@ if [ "$ARCH" = "arm" ]; then
     # detect NEON from user-supplied cflags to enable asm code
     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
   fi
-  if [ "x$have_armv6" = "x" ]; then
-    have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
-  fi
   if [ "x$have_armv7" = "x" ]; then
-    if check_define __ARM_ARCH_7A__; then
-      have_armv6="yes"
+    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
 
   if [ "x$builtin_gpu" = "x" ]; then
     if [ "$have_arm_neon" = "yes" ]; then
@@ -199,44 +236,49 @@ if [ "$ARCH" = "arm" ]; then
 
   # automatically set mfpu and mfloat-abi if they are not set
   if [ "$have_arm_neon" = "yes" ]; then
-    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=neon"
-    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=neon"
+    fpu="neon"
   elif [ "$have_armv6" = "yes" ]; then
-    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=vfp"
-    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=vfp"
+    fpu="vfp"
   fi
-  floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes`
-  if [ "$floatabi_set_by_gcc" != "yes" -a "$have_armv6" = "yes" ]; then
-    echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
-    echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
+  if [ "x$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 -mthumb as recompiler can't handle it
+  # must disable thumb as recompiler can't handle it
   if check_define __thumb__; then
-    CFLAGS="$CFLAGS -mno-thumb"
+    CFLAGS="$CFLAGS -marm"
   fi
 
-  if [ "$have_armv7" = "yes" ]; then
-    ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=1"
-  else
-    ASFLAGS="$ASFLAGS --defsym HAVE_ARMV7=0"
+  # warn about common mistakes
+  if [ "$have_armv5" != "yes" ]; then
+    if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
+      echo "Warning: compiling for ARMv4, is that really what you want?"
+      echo "You probably should specify -mcpu= or -march= like this:"
+      echo "  CFLAGS=-march=armv6 ./configure ..."
+    fi
   fi
-else
+  if [ "$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"
-fi
+  ;;
+esac
 
 if [ "x$builtin_gpu" = "x" ]; then
   builtin_gpu="peops"
 fi
 
-if [ "$ARCH" = "x86_64" ]; then
-  # currently we are full of 32bit assumptions,
-  # at least savestate compatibility will break without these
-  CFLAGS="$CFLAGS -m32"
-  LDFLAGS="$LDFLAGS -m32"
-fi
-
 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
@@ -258,7 +300,7 @@ maemo)
   ;;
 libretro)
   CFLAGS="$CFLAGS -fPIC"
-  LDFLAGS="$LDFLAGS -shared"
+  MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
   ;;
 esac
 
@@ -267,20 +309,11 @@ check_zlib()
 {
   cat > $TMPC <<EOF
   #include <zlib.h>
-  void main() { uncompress(0, 0, 0, 0); }
+  int main(void) { uncompress(0, 0, 0, 0); }
 EOF
   compile_binary
 }
 
-check_bzlib()
-{
-  cat > $TMPC <<EOF
-  #include <bzlib.h>
-  void main() { BZ2_bzBuffToBuffDecompress(0, 0, 0, 0, 0, 0); }
-EOF
-  compile_object
-}
-
 check_libpng()
 {
   cat > $TMPC <<EOF
@@ -309,6 +342,15 @@ EOF
   compile_binary "$@"
 }
 
+check_pulseaudio()
+{
+  cat > $TMPC <<EOF
+  #include <pulse/pulseaudio.h>
+  void main() { pa_threaded_mainloop_new(); }
+EOF
+  compile_binary "$@"
+}
+
 check_sdl()
 {
   cat > $TMPC <<EOF
@@ -319,12 +361,10 @@ EOF
 }
 
 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
-check_zlib || fail "please install zlib/libz-dev"
-
-check_bzlib || fail "please install bz2lib/libbz2-dev"
+check_zlib || fail "please install zlib (libz-dev)"
 
 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
-check_libpng || fail "please install libpng/libpng-dev"
+check_libpng || fail "please install libpng (libpng-dev)"
 
 # find what audio support we can compile
 if [ "x$sound_drivers" = "x" ]; then
@@ -333,7 +373,11 @@ if [ "x$sound_drivers" = "x" ]; then
     sound_drivers="$sound_drivers alsa"
     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
   fi
-  if [ "$need_sdl" == "yes" ] || check_sdl `sdl-config --cflags -libs`; then
+  if check_pulseaudio -lpulse; then
+    sound_drivers="$sound_drivers pulseaudio"
+    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
+  fi
+  if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
     sound_drivers="$sound_drivers sdl"
     need_sdl="yes"
   fi
@@ -345,12 +389,18 @@ else
     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
     check_alsa || fail "please install libasound2-dev"
   fi
+  if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
+    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
+    check_pulseaudio || fail "pulseaudio support is missing"
+  fi
 fi
 
-if [ "$need_sdl" == "yes" ]; then
+if [ "$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 libsdl1.2-dev"
+  check_sdl || fail "please install libsdl (libsdl1.2-dev)"
 fi
 
 # check for tslib (only headers needed)
@@ -366,23 +416,42 @@ EOF
   fi
 fi
 
+# check for VideoCore stuff for Raspberry Pi
+if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
+  CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
+  LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
+fi
+
 # check for GLES headers
 cat > $TMPC <<EOF
 #include <GLES/gl.h>
-#include <GLES/glext.h>
 #include <EGL/egl.h>
-void *test(void) {
-  return eglGetDisplay( (EGLNativeDisplayType)0 );
+int main(void) {
+  return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
 }
 EOF
-if compile_object; then
-  plugins="$plugins plugins/gpu-gles/gpu_gles.so"
+if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
+  have_gles="yes"
+  LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
+elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
+  have_gles="yes"
+  LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
 fi
 
+if [ "$have_gles" = "yes" ]; then
+  plugins="$plugins plugins/gpu-gles/gpu_gles.so"
+fi
 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
 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
+
 # short plugin list for display
 for p in $plugins; do
   p1=`basename $p`
@@ -393,6 +462,7 @@ done
 test "x$have_armv6" != "x" || have_armv6="no"
 test "x$have_armv7" != "x" || have_armv7="no"
 test "x$have_arm_neon" != "x" || have_arm_neon="no"
+test "x$have_gles" != "x" || have_gles="no"
 
 echo "architecture        $ARCH"
 echo "platform            $platform"
@@ -402,11 +472,14 @@ echo "plugins             $plugins_short"
 echo "C compiler          $CC"
 echo "C compiler flags    $CFLAGS"
 echo "libraries           $MAIN_LDLIBS"
-echo "linker flags        $LDFLAGS"
+echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
 echo "enable dynarec      $enable_dynarec"
 echo "ARMv7 optimizations $have_armv7"
 echo "enable ARM NEON     $have_arm_neon"
 echo "tslib support       $have_tslib"
+if [ "$platform" = "generic" ]; then
+  echo "OpenGL ES output    $have_gles"
+fi
 
 echo "# Automatically generated by configure" > $config_mak
 printf "# Configured with:" >> $config_mak
@@ -419,6 +492,7 @@ echo "AS = $AS" >> $config_mak
 echo "CFLAGS += $CFLAGS" >> $config_mak
 echo "ASFLAGS += $ASFLAGS" >> $config_mak
 echo "LDFLAGS += $LDFLAGS" >> $config_mak
+echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
 echo >> $config_mak
@@ -430,27 +504,18 @@ echo "ARCH = $ARCH" >> $config_mak
 echo "PLATFORM = $platform" >> $config_mak
 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
-if [ "$ARCH" = "arm" ]; then
-  echo "PLUGINS = $plugins" >> $config_mak
-else
-  echo -n "PLUGINS =" >> $config_mak
-  for p in $plugins; do
-    echo -n " ${p}.${ARCH}" >> $config_mak
-  done
-  echo >> $config_mak
-fi
-if [ "$have_armv6" = "yes" ]; then
-  echo "HAVE_ARMV6 = 1" >> $config_mak
-fi
-if [ "$have_armv7" = "yes" ]; then
-  echo "HAVE_ARMV7 = 1" >> $config_mak
-fi
+echo "PLUGINS = $plugins" >> $config_mak
 if [ "$have_arm_neon" = "yes" ]; then
   echo "HAVE_NEON = 1" >> $config_mak
 fi
 if [ "$have_tslib" = "yes" ]; then
   echo "HAVE_TSLIB = 1" >> $config_mak
 fi
+if [ "$have_gles" = "yes" ]; then
+  echo "HAVE_GLES = 1" >> $config_mak
+  echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
+  echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
+fi
 if [ "$enable_dynarec" = "yes" ]; then
   echo "USE_DYNAREC = 1" >> $config_mak
 fi