#!/bin/bash
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# library name and version
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# Official: https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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LIB_NAME=libgpiod-2.0
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PACK_SUFIX=tar.gz
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# Cross compiler for cross compile on Linux server
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CROSS_COMPILE=arm-linux-gnueabihf-
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# this project absolute path
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PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
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# binaries install path
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PREFIX_PATH=$PRJ_PATH/install
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# check installed or not file
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INST_FILE=$PREFIX_PATH/lib/libgpiod.so
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#+-------------------------+
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#| Shell script functions |
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#+-------------------------+
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function pr_error() {
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echo -e "\033[40;31m $1 \033[0m"
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}
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function pr_warn() {
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echo -e "\033[40;33m $1 \033[0m"
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}
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function pr_info() {
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echo -e "\033[40;32m $1 \033[0m"
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}
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function check_result()
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{
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if [ $? != 0 ] ; then
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pr_error $1
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fi
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}
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function do_export()
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{
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pr_warn "set cross(${CROSS_COMPILE})"
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# export cross toolchain
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export CC=${CROSS_COMPILE}gcc
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export CXX=${CROSS_COMPILE}g++
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export AS=${CROSS_COMPILE}as
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export AR=${CROSS_COMPILE}ar
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export LD=${CROSS_COMPILE}ld
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export NM=${CROSS_COMPILE}nm
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export RANLIB=${CROSS_COMPILE}ranlib
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export OBJDUMP=${CROSS_COMPILE}objdump
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export STRIP=${CROSS_COMPILE}strip
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# export cross configure
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export CONFIG_CROSS=" --build=i686-pc-linux --host=arm-linux "
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# Clear LDFLAGS and CFLAGS
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export LDFLAGS=
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export CFLAGS=
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}
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function do_fetch()
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{
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if [ -e ${INST_FILE} ] ; then
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pr_warn "$LIB_NAME compile and installed alredy"
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exit ;
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fi
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if [ -d $LIB_NAME ] ; then
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pr_warn "$LIB_NAME fetch already"
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return ;
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fi
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if [ ! -f ${LIB_NAME}.${PACK_SUFIX} ] ; then
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wget https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/snapshot/${LIB_NAME}.${PACK_SUFIX}
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check_result "ERROR: download ${LIB_NAME} failure"
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fi
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pr_warn "$LIB_NAME download already, decompress it now"
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tar -xzf ${LIB_NAME}.${PACK_SUFIX}
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}
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function do_build()
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{
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cd $LIB_NAME
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./autogen.sh
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do_export
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echo "ac_cv_func_malloc_0_nonnull=yes" > arm-linux.cache
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./configure --prefix=${PREFIX_PATH} ${CONFIG_CROSS} --enable-static \
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--cache-file=arm-linux.cache --enable-tools
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check_result "ERROR: configure ${LIB_NAME} failure"
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make -j ${JOBS} && make install
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check_result "ERROR: compile ${LIB_NAME} failure"
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}
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function do_clean()
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{
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rm -rf ${LIB_NAME}*
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rm -rf install
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}
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if [[ $# == 1 && $1 == -c ]] ;then
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pr_warn "start clean $LIB_NAME"
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do_clean
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exit;
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fi
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do_fetch
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do_build
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