build-api.sh

#!/bin/bash
# simple api build script

# set should really do checks for $CROSS_COMPILE's existence,
# if it's already set, dont' set it in here, the user might be
# using their own toolchain
# we either assume that they at least have a toolchain installed
# and it's set in the path or try and set some stuff ourself
# just incase they haven't set the compiler 'triplet' in CROSS_COMPILE
if [ -z "$CROSS_COMPILE" ]; then
  echo "Not cross compiling, using native gcc"
  CC=gcc
else
  echo "Cross compiling using user set CROSS_COMPILE env var"
  echo $CROSS_COMPILE
  # build our cross compiler GCC command
  CC=${CROSS_COMPILE}gcc
fi



# Set the CFLAGS

CFLAGS="-I./include/ -I/opt/vc/include/ -I/opt/vc/include/interface/vcos/pthreads -DSTANDALONE -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS -DTARGET_POSIX -D_LINUX -fPIC -DPIC -D_REENTRANT -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -U_FORTIFY_SOURCE -Wall -g -DHAVE_LIBOPENMAX=2 -DOMX -DOMX_SKIP64BIT -ftree-vectorize -pipe -DUSE_EXTERNAL_OMX -DHAVE_LIBBCM_HOST -DUSE_EXTERNAL_LIBBCM_HOST -DUSE_VCHIQ_ARM -Wno-psabi"

# Set the ld flags so it knows where to find shared libs
# Have we forgotten the INCLUDES?  or are they buried in our CFLAGS var?

LDFLAGS="-L/opt/vc/lib/ -shared"

# Tell it where the code is

SOURCES="src/libdisplay.c"

# Build all of the things

$CC $SOURCES $CFLAGS $LDFLAGS -o libdisplay.so -lbcm_host -lvcos -lvchiq_arm

SOURCES="src/libvideo.c"
$CC $SOURCES $CFLAGS $LDFLAGS -o libvideo.so -lEGL -lGLESv2 -lbcm_host -lvcos -lvchiq_arm