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