build-scripts/iosbuild.sh

   1 #!/bin/sh
   2 #
   3 # Build a fat binary for iOS
   4 # Based on fatbuild.sh and code from the Ignifuga Game Engine
   5
   6 # Number of CPUs (for make -j)
   7 NCPU=`sysctl -n hw.ncpu`
   8 if test x$NJOB = x; then
   9     NJOB=$NCPU
  10 fi
  11
  12 # SDK path
  13 XCODE_PATH=`xcode-select --print-path`
  14 if [ -z "$XCODE_PATH" ]; then
  15     echo "Could not find XCode location (use xcode-select -switch to set the correct path)"
  16     exit 1
  17 fi
  18
  19 prepare_environment() {
  20     ARCH=$1
  21
  22     if test x$SDK_VERSION = x; then
  23       export SDK_VERSION=`xcodebuild -showsdks | grep iphoneos | sed "s|.*iphoneos||"`
  24       if [ -z "$XCODE_PATH" ]; then
  25           echo "Could not find a valid iOS SDK"
  26           exit 1
  27       fi
  28     fi
  29
  30     case $ARCH in
  31         armv6)
  32             DEV_PATH="$XCODE_PATH/Platforms/iPhoneOS.platform/Developer"
  33             SDK_PATH="$DEV_PATH/SDKs/iPhoneOS$SDK_VERSION.sdk"
  34             ;;
  35         armv7)
  36             DEV_PATH="$XCODE_PATH/Platforms/iPhoneOS.platform/Developer"
  37             SDK_PATH="$DEV_PATH/SDKs/iPhoneOS$SDK_VERSION.sdk"
  38             ;;
  39         i386)
  40             DEV_PATH="$XCODE_PATH/Platforms/iPhoneSimulator.platform/Developer"
  41             SDK_PATH="$DEV_PATH/SDKs/iPhoneSimulator$SDK_VERSION.sdk"
  42             ;;
  43         *)
  44             echo "Unknown Architecture $ARCH"
  45             exit 1
  46             ;;
  47     esac
  48
  49     if [ ! -d "$SDK_PATH" ]; then
  50         echo "Could not find iOS SDK at $SDK_PATH"
  51         exit 1
  52     fi
  53
  54     if test x$MIN_OS_VERSION = x; then
  55         export MIN_OS_VERSION="3.0"
  56     fi
  57
  58     # Environment flags
  59     CFLAGS="-g -O2 -pipe -no-cpp-precomp -isysroot $SDK_PATH \
  60             -miphoneos-version-min=$MIN_OS_VERSION -I$SDK_PATH/usr/include/"
  61     LDFLAGS="-L$SDK_PATH/usr/lib/ -isysroot $SDK_PATH \
  62              -miphoneos-version-min=$MIN_OS_VERSION -static-libgcc"
  63     export CXXFLAGS="$CFLAGS"
  64     export CXXCPP="$DEV_PATH/usr/bin/llvm-cpp-4.2"
  65     export CPP="$CXXCPP"
  66     export CXX="$DEV_PATH/usr/bin/llvm-g++-4.2"
  67     export CC="$DEV_PATH/usr/bin/llvm-gcc-4.2"
  68     export LD="$DEV_PATH/usr/bin/ld"
  69     export AR="$DEV_PATH/usr/bin/ar"
  70     export AS="$DEV_PATH/usr/bin/ls"
  71     export NM="$DEV_PATH/usr/bin/nm"
  72     export RANLIB="$DEV_PATH/usr/bin/ranlib"
  73     export STRIP="$DEV_PATH/usr/bin/strip"
  74
  75     # We dynamically load X11, so using the system X11 headers is fine.
  76     CONFIG_FLAGS="--disable-shared --enable-static"
  77
  78     case $ARCH in
  79         armv6)
  80             export CONFIG_FLAGS="$CONFIG_FLAGS --host=armv6-apple-darwin"
  81             export CFLAGS="$CFLAGS -arch armv6"
  82             export LDFLAGS="$LDFLAGS -arch armv6"
  83             ;;
  84         armv7)
  85             export CONFIG_FLAGS="$CONFIG_FLAGS --host=armv7-apple-darwin"
  86             export CFLAGS="$CFLAGS -arch armv7"
  87             export LDFLAGS="$LDFLAGS -arch armv7"
  88             ;;
  89         i386)
  90             export CONFIG_FLAGS="$CONFIG_FLAGS --host=i386-apple-darwin"
  91             export CFLAGS="$CFLAGS -arch i386"
  92             export LDFLAGS="$LDFLAGS -arch i386"
  93             ;;
  94         *)
  95             echo "Unknown Architecture $ARCH"
  96             exit 1
  97             ;;
  98     esac
  99 }
 100
 101 prepare_environment "armv6"
 102 echo "Building with iOS SDK v$SDK_VERSION for iOS >= $MIN_OS_VERSION"
 103
 104 #
 105 # Find the configure script
 106 #
 107 srcdir=`dirname $0`/..
 108 srcdir=`cd $srcdir && pwd`
 109 auxdir=$srcdir/build-scripts
 110 cd $srcdir
 111
 112 #
 113 # Figure out which phase to build:
 114 # all,
 115 # configure, configure-armv6, configure-armv7, configure-i386
 116 # make, make-armv6, make-armv7, make-i386, merge
 117 # clean
 118 if test x"$1" = x; then
 119     phase=all
 120 else
 121     phase="$1"
 122 fi
 123 case $phase in
 124     all)
 125         configure_armv6="yes"
 126         configure_armv7="yes"
 127         configure_i386="yes"
 128         make_armv6="yes"
 129         make_armv7="yes"
 130         make_i386="yes"
 131         merge="yes"
 132         ;;
 133     configure)
 134         configure_armv6="yes"
 135         configure_armv7="yes"
 136         configure_i386="yes"
 137         ;;
 138     configure-armv6)
 139         configure_armv6="yes"
 140         ;;
 141     configure-armv7)
 142         configure_armv7="yes"
 143         ;;
 144     configure-i386)
 145         configure_i386="yes"
 146         ;;
 147     make)
 148         make_armv6="yes"
 149         make_armv7="yes"
 150         make_i386="yes"
 151         merge="yes"
 152         ;;
 153     make-armv6)
 154         make_armv6="yes"
 155         ;;
 156     make-armv7)
 157         make_armv7="yes"
 158         ;;
 159     make-i386)
 160         make_i386="yes"
 161         ;;
 162     merge)
 163         merge="yes"
 164         ;;
 165     clean)
 166         clean_armv6="yes"
 167         clean_armv7="yes"
 168         clean_i386="yes"
 169         ;;
 170     clean-armv6)
 171         clean_armv6="yes"
 172         ;;
 173     clean-armv7)
 174         clean_armv7="yes"
 175         ;;
 176     clean-i386)
 177         clean_i386="yes"
 178         ;;
 179     *)
 180         echo "Usage: $0 [all|configure[-armv6|-armv7|-i386]|make[-armv6|-armv7|-i386]|merge|clean[-armv6|-armv7|-i386]]"
 181         exit 1
 182         ;;
 183 esac
 184
 185 #
 186 # Create the build directories
 187 #
 188 for dir in build build/armv6 build/armv7 build/i386; do
 189     if test -d $dir; then
 190         :
 191     else
 192         mkdir $dir || exit 1
 193     fi
 194 done
 195
 196 #
 197 # Build the armv6 binary
 198 #
 199 prepare_environment "armv6"
 200 if test x$configure_armv6 = xyes; then
 201     (cd build/armv6 && \
 202      sh ../../configure $CONFIG_FLAGS CC="$CC" CXX="$CXX" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS") || exit 2
 203      # configure is not yet fully ready for iOS, some manual patching is required
 204      cp include/* build/armv6/include
 205      cp include/SDL_config_iphoneos.h build/armv6/include/SDL_config.h || exit 2
 206      sed -i "" -e "s|^EXTRA_CFLAGS.*|EXTRA_CFLAGS=-I./include|g" build/armv6/Makefile || exit 2
 207      sed -i "" -e "s|^EXTRA_LDFLAGS.*|EXTRA_LDFLAGS=-lm|g" build/armv6/Makefile || exit 2
 208 fi
 209 if test x$make_armv6 = xyes; then
 210     (cd build/armv6 && make -j$NJOB) || exit 3
 211 fi
 212 #
 213 # Build the armv7 binary
 214 #
 215 prepare_environment "armv7"
 216 if test x$configure_armv7 = xyes; then
 217     (cd build/armv7 && \
 218      sh ../../configure $CONFIG_FLAGS CC="$CC" CXX="$CXX" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS") || exit 2
 219      # configure is not yet fully ready for iOS, some manual patching is required
 220      cp include/* build/armv7/include
 221      cp include/SDL_config_iphoneos.h build/armv7/include/SDL_config.h || exit 2
 222      sed -i "" -e "s|^EXTRA_CFLAGS.*|EXTRA_CFLAGS=-I./include|g" build/armv7/Makefile || exit 2
 223      sed -i "" -e "s|^EXTRA_LDFLAGS.*|EXTRA_LDFLAGS=-lm|g" build/armv7/Makefile || exit 2
 224 fi
 225 if test x$make_armv7 = xyes; then
 226     (cd build/armv7 && make -j$NJOB) || exit 3
 227 fi
 228 #
 229 # Build the i386 binary
 230 #
 231 prepare_environment "i386"
 232 if test x$configure_i386 = xyes; then
 233     (cd build/i386 && \
 234      sh ../../configure $CONFIG_FLAGS CC="$CC" CXX="$CXX" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS") || exit 2
 235      # configure is not yet fully ready for iOS, some manual patching is required
 236      cp include/* build/i386/include
 237      cp include/SDL_config_iphoneos.h build/i386/include/SDL_config.h || exit 2
 238      sed -i "" -e "s|^EXTRA_CFLAGS.*|EXTRA_CFLAGS=-I./include|g" build/i386/Makefile || exit 2
 239      sed -i "" -e "s|^EXTRA_LDFLAGS.*|EXTRA_LDFLAGS=-lm|g" build/i386/Makefile || exit 2
 240 fi
 241 if test x$make_i386 = xyes; then
 242     (cd build/i386 && make -j$NJOB) || exit 3
 243 fi
 244
 245 #
 246 # Combine into fat binary
 247 #
 248 if test x$merge = xyes; then
 249     output=ios/lib
 250     sh $auxdir/mkinstalldirs build/$output
 251     cd build
 252     target=`find . -mindepth 4 -maxdepth 4 -type f -name '*.dylib' | head -1 | sed 's|.*/||'`
 253     (lipo -create -o $output/libSDL2.a armv6/build/.libs/libSDL2.a armv7/build/.libs/libSDL2.a i386/build/.libs/libSDL2.a &&
 254      lipo -create -o $output/libSDL2main.a armv6/build/libSDL2main.a armv7/build/libSDL2main.a i386/build/libSDL2main.a &&
 255      cp -r armv6/include ios
 256      echo "Build complete!" &&
 257      echo "Files can be found under the build/ios directory.") || exit 4
 258     cd ..
 259 fi
 260
 261 #
 262 # Clean up
 263 #
 264 do_clean()
 265 {
 266     echo $*
 267     $* || exit 6
 268 }
 269 if test x$clean_armv6 = xyes; then
 270     do_clean rm -r build/armv6
 271 fi
 272 if test x$clean_armv7 = xyes; then
 273     do_clean rm -r build/armv7
 274 fi
 275 if test x$clean_i386 = xyes; then
 276     do_clean rm -r build/i386
 277 fi