sources/include.sh

   1 #!/bin/bash
   2
   3 # Architecture
   4
   5 ARCH=armv4tl
   6 KARCH=arm
   7 ARCH_NAME="$ARCH"
   8 STAGE_NAME="native"
   9
  10 # Directory layout
  11 TOP=`pwd`
  12 export SOURCES="${TOP}/sources"
  13 export SRCDIR="${TOP}/packages"
  14 export ROOT_DIR="${TOP}/rootfs"
  15 export ROOT_OVERLAY="${TOP}/rootfs-overlay"
  16 export BUILD="${TOP}/build"
  17 export CONFIG_DIR="${TOP}/sources"
  18 export WORK="${BUILD}/temp-${ARCH}"
  19 export STAGING_DIR="${TOP}/staging-dir"
  20
  21 # Default flags to point the compiler to the right libraries and
  22 # include files. In the case of cross compiling this assumes that
  23 # the compiler doesn't add system directories to it's search paths.
  24 # This is taken care of by a gcc wrapper script which passes things
  25 # like -nostdinc -nostdlibs -nodefaultlibs to gcc.
  26
  27 CFLAGS="-I$STAGING_DIR/usr/include -Os -pipe -march=armv4t -mtune=arm9tdmi"
  28 LDFLAGS="-L$STAGING_DIR/usr/lib"
  29
  30 # Make sure that pkg-config uses the right paths and doesn't pull
  31 # in depencies from the host system.
  32 export PKG_CONFIG_PATH="${STAGING_DIR}/usr/lib/pkgconfig"
  33 export PKG_CONFIG_LIBDIR="${STAGING_DIR}/usr/lib/pkgconfig"
  34 export PKG_CONFIG_SYSROOT_DIR="${STAGING_DIR}"
  35
  36 # check if we are building natively or if we are cross compiling
  37
  38 if [[ ! $(uname -m) == arm* ]]
  39 then
  40   STAGE_NAME="cross"
  41   CROSS_LDFLAGS=
  42   CROSS_CFLAGS=
  43   # XXX: --build=`config.guess`
  44   CROSS_CONFIGURE_FLAGS="--build=i686-pc-linux-gnu \
  45         --target=armv4tl-unknown-linux-gnueabi \
  46         --host=armv4tl-unknown-linux-gnueabi"
  47   # cross compiler prefix used by kernel, uclibc and busybox
  48   # build system
  49   export CROSS="armv4tl-unknown-linux-gnueabi-"
  50 fi
  51
  52 STRIP="${CROSS}strip"
  53
  54 umask 022
  55
  56 # Tell bash not to cache the $PATH because we modify it.  Without
  57 # this, bash won't find new executables added after startup.
  58 set +h
  59
  60 [ -e config ] && source config
  61 source sources/functions-fwl.sh
  62 source sources/functions.sh
  63
  64 # How many processors should make -j use?
  65
  66 if [ -z "$CPUS" ]
  67 then
  68   export CPUS=$(echo /sys/devices/system/cpu/cpu[0-9]* | wc -w)
  69   [ "$CPUS" -lt 1 ] && CPUS=1
  70 fi
  71
  72 # This is an if instead of && so the exit code of include.sh is reliably 0
  73 if [ ! -z "$BUILD_VERBOSE" ]
  74 then
  75   VERBOSITY="V=1"
  76 fi