socat_buildscript_for_android.sh

   1 #!/bin/sh
   2
   3 # Customize these parameters according to your environment
   4 ANDROID_NDK="${HOME}/bin/android-ndk-r6b"
   5
   6 # Check for parameters
   7 if [ ! -d "${ANDROID_NDK}" ]; then
   8  echo "Android NDK not found in ${ANDROID_NDK}, please edit $0 to fix it."
   9  exit 1
  10 fi
  11
  12 if [ ! -e "${ANDROID_NDK}/build/tools/make-standalone-toolchain.sh" ]; then
  13  echo "Your Android NDK is not compatible (make-standalone-toolchain.sh not found)."
  14  echo "Android NDK r6b is known to work."
  15  exit 1
  16 fi
  17
  18 # Extract the Android toolchain from NDK
  19 ANDROID_PLATFORM="android-3"
  20 ROOT="`pwd`"
  21 OUT="${ROOT}/out"
  22 ${ANDROID_NDK}/build/tools/make-standalone-toolchain.sh \
  23  --ndk-dir="${ANDROID_NDK}" \
  24  --platform="${ANDROID_PLATFORM}" \
  25  --install-dir="${OUT}/toolchain" \
  26  || exit 1
  27 # Remove resolv.h because it is quite unusable as is
  28 rm ${OUT}/toolchain/sysroot/usr/include/resolv.h
  29
  30 # Create configure script
  31 cd ${ROOT}
  32 autoconf || exit 1
  33
  34 # Create config.h and Makefile
  35 cd ${OUT}
  36 ${ROOT}/configure \
  37  --host \
  38  --disable-openssl \
  39  --disable-unix \
  40  CC="${OUT}/toolchain/bin/arm-linux-androideabi-gcc" \
  41  || exit 1
  42
  43 # Replace misconfigured values in config.h and enable PTY functions
  44 mv config.h config.old
  45 cat config.old \
  46  | sed 's/CRDLY_SHIFT.*/CRDLY_SHIFT 9/' \
  47  | sed 's/TABDLY_SHIFT.*/TABDLY_SHIFT 11/' \
  48  | sed 's/CSIZE_SHIFT.*/CSIZE_SHIFT 4/' \
  49  | sed 's/\/\* #undef HAVE_OPENPTY \*\//#define HAVE_OPENPTY 1/' \
  50  | sed 's/\/\* #undef HAVE_GRANTPT \*\//#define HAVE_GRANTPT 1/' \
  51  > config.h
  52
  53 # Enable openpty() in Makefile
  54 mv Makefile Makefile.old
  55 cat Makefile.old | sed 's/error.c/error.c openpty.c/' > Makefile
  56
  57 # Provide openpty.c
  58 cat >openpty.c <<EOF
  59 /* Copyright (C) 1998, 1999, 2004 Free Software Foundation, Inc.
  60    This file is part of the GNU C Library.
  61    Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
  62
  63    The GNU C Library is free software; you can redistribute it and/or
  64    modify it under the terms of the GNU Lesser General Public
  65    License as published by the Free Software Foundation; either
  66    version 2.1 of the License, or (at your option) any later version.
  67
  68    The GNU C Library is distributed in the hope that it will be useful,
  69    but WITHOUT ANY WARRANTY; without even the implied warranty of
  70    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  71    Lesser General Public License for more details.
  72
  73    You should have received a copy of the GNU Lesser General Public
  74    License along with the GNU C Library; if not, write to the Free
  75    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  76    02111-1307 USA.  */
  77
  78 #include <errno.h>
  79 #include <fcntl.h>
  80 #include <limits.h>
  81 #include <stdlib.h>
  82 #include <string.h>
  83 #include <termios.h>
  84 #include <unistd.h>
  85 #include <sys/types.h>
  86 #include <sys/ioctl.h>
  87
  88 #define _PATH_DEVPTMX "/dev/ptmx"
  89
  90 int openpty (int *amaster, int *aslave, char *name, struct termios *termp,
  91                 struct winsize *winp)
  92 {
  93         char buf[PATH_MAX];
  94         int master, slave;
  95
  96         master = open(_PATH_DEVPTMX, O_RDWR);
  97         if (master == -1)
  98                 return -1;
  99
 100         if (grantpt(master))
 101                 goto fail;
 102
 103         if (unlockpt(master))
 104                 goto fail;
 105
 106         if (ptsname_r(master, buf, sizeof buf))
 107                 goto fail;
 108
 109         slave = open(buf, O_RDWR | O_NOCTTY);
 110         if (slave == -1)
 111                 goto fail;
 112
 113         /* XXX Should we ignore errors here?  */
 114         if (termp)
 115                 tcsetattr(slave, TCSAFLUSH, termp);
 116         if (winp)
 117                 ioctl(slave, TIOCSWINSZ, winp);
 118
 119         *amaster = master;
 120         *aslave = slave;
 121         if (name != NULL)
 122                 strcpy(name, buf);
 123
 124         return 0;
 125
 126 fail:
 127         close(master);
 128         return -1;
 129 }
 130 EOF
 131
 132 # Compile
 133 make socat || exit 1
 134
 135 # Done
 136 echo "Build finished, socat has been generated successfuly in out/socat"
 137