build_engine.sh

#!/bin/sh
. ./build.cfg

if ! [ -x "$(command -v git)" ]
then
	printf "'git' is not installed.\n"
	exit
fi

set -e

FTE_MAKEFILE=./src/engine/engine/Makefile
FTE_SVNDIR=./src/engine/.svn

COMPILE_SYS=$(uname)
COMPILE_OS=$(uname -o)

# Check how many cores/processors we should use for building
if ! [ -x "$(command -v nproc)" ]
then
	# check if we're on OpenBSD then
	if ! [ -x "$(command -v sysctl)" ]
	then
		BUILD_PROC=1
	else
		BUILD_PROC=$(sysctl -n hw.ncpu)
	fi
else
	BUILD_PROC=$(nproc)
fi

# Compiler choice
if [ "$COMPILE_SYS" = "OpenBSD" ]
then
	ENGINE_CC=cc
	ENGINE_CXX=c++
else
	if [ "$BUILD_CLANG" = "1" ]; then
		ENGINE_CC=clang
		ENGINE_CXX=clang++
	else
		ENGINE_CC=gcc
		ENGINE_CXX=g++
	fi
fi

if [ "$BUILD_DEBUG" -eq 1 ]
	then
	MAKETARGET=gl-dbg
	OUTPUT=./debug
else
	MAKETARGET=gl-rel
	OUTPUT=./release
fi

if [ "$BUILD_SDL2" -eq 1 ]
	then
	PLATFORM=SDL2
	OUTPUT=$OUTPUT/fteqw-glsdl2
else
	if [ "$COMPILE_SYS" = "OpenBSD" ]
	then
		PLATFORM=bsd
		OUTPUT=$OUTPUT/fteqw-gl
	elif [ "$COMPILE_SYS" = "FreeBSD" ]
	then
		PLATFORM=bsd
		OUTPUT=$OUTPUT/fteqw-gl
	elif [ "$COMPILE_SYS" = "NetBSD" ]
	then
		PLATFORM=bsd
		OUTPUT=$OUTPUT/fteqw-gl
	elif [ "$COMPILE_SYS" = "Linux" ]
	then
		PLATFORM=linux64
		OUTPUT=$OUTPUT/fteqw-gl64
	elif [ "$COMPILE_SYS" = "GNU/Linux" ]
	then
		PLATFORM=linux64
		OUTPUT=$OUTPUT/fteqw-gl64
	else
		printf "Unsupported platform.\n"
		exit
	fi
fi

# GNU Make is _not_ make!...
if [ "$COMPILE_OS" = "Msys" ]; then
	MAKE=make
	PLATFORM=win64
else
	if ! [ -x "$(command -v gmake)" ]
	then
		# only assume that Linux may not ship with a gmake... HACK!
		if [ "$COMPILE_SYS" = "Linux" ]
		then
			MAKE=make
		else
			printf "You need to install GNU make.\n"
		fi
	else
		MAKE=gmake
	fi
fi

mkdir -p ./bin

# SVN is no more
if [ -d "$FTE_SVNDIR" ]
then
	printf "Detected Subversion repo... Please remove ./src/engine before proceeding.\n"
	exit
fi

if [ -f "$FTE_MAKEFILE" ]
then
	if [ "$BUILD_UPDATE" -eq 1 ]
	then
		printf "Engine is present, updating...\n"
		cd ./src/engine/

		if [ -z "$(git status --untracked-files=no --porcelain)" ]
		then
			# TODO: let devs decide to fetch changes instead first
			git pull --rebase
		else 
			# Uncommitted changes
			printf "You have uncommitted changes. Will not pull --rebase.\n"
		fi

		cd ./engine
	else
		cd ./src/engine/engine
	fi
else
	printf "Engine is NOT present, cloning...\n"
	cd ./src/
	git clone "https://vcs.vera-visions.com/tech/engine" engine
	cd ./engine/engine
fi

if [ "$BUILD_CLEAN" -eq 1 ]
then
	$MAKE clean
	printf "Cleaned the build directory.\n\n"
fi

if [ "$BUILD_ENGINE_DEPENDENCIES" -eq 1 ]
then
	$MAKE -j $BUILD_PROC makelibs
	printf "Built the static dependencies successfully.\n\n"
fi

$MAKE -j $BUILD_PROC CC=$ENGINE_CC CXX=$ENGINE_CXX $MAKETARGET CFLAGS=-DMULTITHREAD FTE_TARGET=$PLATFORM
cp -v "$OUTPUT" ../../../bin/fteqw
printf "Built the client engine successfully.\n\n"

$MAKE -j $BUILD_PROC CC=$ENGINE_CC CXX=$ENGINE_CXX sv-dbg
cp -v ./debug/fteqw-sv ../../../bin/fteqw-sv
printf "Built the dedicated server successfully.\n\n"

$MAKE -j $BUILD_PROC CC=$ENGINE_CC CXX=$ENGINE_CXX qcc-rel
cp -v ./release/fteqcc ../../../bin/fteqcc
printf "Built the QuakeC compiler successfully.\n\n"

if [ "$BUILD_IMGTOOL" -eq 1 ]
then
	# Note: DOESN'T LIKE CLANG!
	$MAKE -j $BUILD_PROC imgtool-rel
	cp -v ./release/imgtool ../../../bin/imgtool
	printf "Built the imgtool successfully.\n\n"
fi

if [ "$BUILD_SOURCE" -eq 1 ]
then
	# Note: DOESN'T LIKE CLANG!
	$MAKE -j $BUILD_PROC plugins-rel CFLAGS=-DGLQUAKE NATIVE_PLUGINS="hl2"
	find ./release/ -name 'fteplug_hl2_*.so' -exec cp -prv '{}' '../../../bin/' ';'
	printf "Built the Source Engine plugin successfully.\n\n"
fi

if [ "$BUILD_QUAKE3" -eq 1 ]
then
	CC=$ENGINE_CC CXX=$ENGINE_CXX $MAKE -j $BUILD_PROC plugins-rel NATIVE_PLUGINS="quake3"
	find ./release/ -name 'fteplug_quake3_*.so' -exec cp -prv '{}' '../../../bin/' ';'
	printf "Built the Quake III plugin successfully.\n\n"
fi

if [ "$BUILD_BULLET" -eq 1 ]
then
	CC=$ENGINE_CC CXX=$ENGINE_CXX $MAKE -j $BUILD_PROC plugins-rel NATIVE_PLUGINS="bullet"
	find ./release/ -name 'fteplug_bullet_*.so' -exec cp -prv '{}' '../../../bin/' ';'
	printf "Built the bullet plugin successfully.\n\n"
fi

if [ "$BUILD_ODE" -eq 1 ]
then
	CC=$ENGINE_CC CXX=$ENGINE_CXX $MAKE -j $BUILD_PROC plugins-rel NATIVE_PLUGINS="ode"
	find ./release/ -name 'fteplug_ode_*.so' -exec cp -prv '{}' '../../../bin/' ';'
	printf "Built the ode plugin successfully.\n\n"
fi

if [ "$BUILD_FFMPEG" -eq 1 ]
then
	CC=$ENGINE_CC CXX=$ENGINE_CXX $MAKE -j $BUILD_PROC plugins-rel NATIVE_PLUGINS="ffmpeg"
	find ./release/ -name 'fteplug_ffmpeg_*.so' -exec cp -prv '{}' '../../../bin/' ';'
	printf "Built the ffmpeg plugin successfully.\n\n"
fi

printf "DONE. Built ALL components successfully.\n"