#!/bin/bash
# Copyright (c) 2000-2020 Synology Inc. All rights reserved.

if [ -z "$__INCLUDE_APPLY_ENV__" ]; then
__INCLUDE_APPLY_ENV__=defined

Source include/check

FunCreateCCacheWrap()
{
	for bin in $*
	do
		[ -z "$bin" ] && continue
		ln -fs /usr/bin/ccache-wrap $bin
	done
}

_AssignArch() {
	eval $1=\$$1$2
}

_ApplyEnvDir() {
	[ "$1" = "build" ] && SynoDir="/usr"
	[ "$1" = "install" ] && SynoDir="/usr/syno"
	SynoLibDir="$SynoDir/lib"
	SynoBinDir="$SynoDir/bin"
	SynoIncludeDir="$SynoDir/include"
	SynoShareDir="$SynoDir/share"
	SynoPluginDir="$SynoDir/plugin"
	LibDir="/usr/lib"
	BinDir="/usr/bin"
	IncludeDir="/usr/include"
	Prefix="/usr"
	ShareDir="/usr/share"
	SysRootPrefix="${ToolChainSysRoot}/usr"
	SysRootInclude="${ToolChainSysRoot}/usr/include"
	SysRootLib="${ToolChainSysRoot}/usr/lib"
	SysRootBin="${ToolChainSysRoot}/usr/bin"
	CROSS_COMPILE="$ToolChainPrefix"
	KERNEL_SEARCH_PATH="$SysRootLib/modules/$PRODUCT-$DSM_SHLIB_MAJOR.$DSM_SHLIB_MINOR/build"
	KSP="$KERNEL_SEARCH_PATH"
	KSRC="$KERNEL_SEARCH_PATH"
	KDIR="$KERNEL_SEARCH_PATH"
}

_ApplyBuildFlag() {
	local arch="$1"

	_AssignArch "ToolChainDir" $arch
	_AssignArch "ToolChainPrefix" $arch
	_AssignArch "ToolChainBin" $arch
	_AssignArch "ToolChainInclude" $arch
	_AssignArch "ToolChainSysInclude" $arch
	_AssignArch "ToolChainSysRoot" $arch
	_AssignArch "ToolChainLib" $arch

	_AssignArch "ConfigOpt" $arch
	_AssignArch "HOST" $arch

	_AssignArch "CC" $arch
	_AssignArch "CXX" $arch
	_AssignArch "LD" $arch
	_AssignArch "AR" $arch

	eval "STRIP_ORI=\$STRIP$arch"
	SSTRIP="/usr/syno/bin/sstrip"

	_AssignArch "RANLIB" $arch
	_AssignArch "CFLAGS" $arch
	_AssignArch "LDFLAGS" $arch
	_AssignArch "NM" $arch
	_AssignArch "READELF" $arch

	#For Grub in EFI framework
	_AssignArch "GrubHOST" $arch
	_AssignArch "GrubToolChainDir" $arch
	_AssignArch "GrubToolChainPrefix" $arch
	_AssignArch "GrubToolChainBin" $arch
	_AssignArch "GrubToolChainInclude" $arch
	_AssignArch "GrubToolChainSysInclude" $arch
	_AssignArch "GrubToolChainLib" $arch
	_AssignArch "GrubConfigOpt" $arch
	_AssignArch "GrubCFLAGS" $arch
	_AssignArch "GrubLDFLAGS" $arch
	_AssignArch "GrubCC" $arch
	_AssignArch "GrubCXX" $arch
	_AssignArch "GrubLD" $arch
	_AssignArch "GrubAR" $arch
	_AssignArch "GrubSTRIP" $arch
	_AssignArch "GrubRANLIB" $arch
	_AssignArch "GrubNM" $arch
}

ApplyBuildEnv() {
	local arch="$1"
	local proj="$2"

	_ApplyBuildFlag "${arch}"
	_ApplyEnvDir "build"

	export PATH="/bin:/sbin:/usr/bin:/usr/syno/bin:${SysRootBin}"
	export BUILD_ARCH=$arch

	if [ "$WithDebug" = "Yes" ]; then
		SYNO_XTRACFLAGS="$SYNO_XTRACFLAGS -DSYNO_DEBUG_BUILD"
	fi
	[ -z "$SYNO_XTRACFLAGS" ] && SYNO_XTRACFLAGS="-g"

	CC="${ToolChainPrefix}ccache-gcc"
	CXX="${ToolChainPrefix}ccache-g++"
	if [ -n "$StaticPrefix" ]; then
		STATIC_CC="${StaticPrefix}ccache-gcc"
	fi
	if [ -n "${GrubToolChainPrefix}" ]; then
		GrubCC="${GrubToolChainPrefix}ccache-gcc"
		GrubCXX="${GrubToolChainPrefix}ccache-g++"
	fi

	FunCreateCCacheWrap "${CC}" "${CXX}" "${STATIC_CC}" "${GrubCC}" "${GrubCXX}" /usr/bin/ccache-gcc /usr/bin/ccache-g++

	CFLAGS="$CFLAGS -DBUILD_ARCH=${arch} -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64"
	if [ -n "$SYNO_XTRACFLAGS" ]; then
		CFLAGS="${CFLAGS} ${SYNO_XTRACFLAGS}"
	fi

	InstallDevLayout="prefix=/usr PREFIX=/usr libdir=/usr/lib LIBDIR=/usr/lib bindir=/usr/bin BINDIR=/usr/bin includedir=/usr/include INCLUDEDIR=/usr/include DESTDIR=${DebDevDir} FILESDIR=${DebFilesRootDir}/${proj} SYNODOCDIR=/usr/include/synodoc"

	CFLAGS="$CFLAGS $PLAT_FLAGS -DSYNO_PLATFORM=${BUILD_TARGET}"
	CXXFLAGS="${CFLAGS} ${CXXSTANDARD}"
	GOROOT="/usr/lib/go"
}

ApplyInstallEnv() {
	local InstallArch="$1"
	local proj="$2"

	export BUILD_ARCH="${InstallArch}"
	_ApplyBuildFlag "${InstallArch}"
	_ApplyEnvDir "install"
	export PATH="/bin:/sbin:/usr/bin:/usr/syno/bin:${SysRootBin}"

	SynoInstallLayout="prefix=/usr/syno PREFIX=/usr/syno libdir=/usr/lib LIBDIR=/usr/lib bindir=/usr/syno/bin BINDIR=/usr/syno/bin includedir=/usr/syno/include INCLUDEDIR=/usr/syno/include FILESDIR=${FilesDir}/${proj} PLUGINDIR=${SynoPluginDir} DESTDIR=${TmpInstDir}"

	CFLAGS="$CFLAGS $PLAT_FLAGS -DSYNO_PLATFORM=${BUILD_TARGET}"
	CXXFLAGS="${CFLAGS} ${CXXSTANDARD}"
	GOROOT="/usr/lib/go"
}

fi
# vim:ft=sh