orca/build.sh

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#!/bin/bash
DEBUG_FLAGS="-g -O2 -DDEBUG -DLOG_COMPILE_DEBUG"
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#DEBUG_FLAGS="-O3"
#--------------------------------------------------------------
# set target
#--------------------------------------------------------------
target="$1"
if [ -z $target ] ; then
target='lib'
fi
shaderFlagParam="$2"
#--------------------------------------------------------------
# Detect OS and set environment variables accordingly
#--------------------------------------------------------------
OS=$(uname -s)
if [ $OS = "Darwin" ] ; then
#echo "Target '$target' for macOS"
CC=clang
CXX=clang++
DYLIB_SUFFIX='dylib'
SYS_LIBS=''
FLAGS="-mmacos-version-min=10.15.4 -maes"
CFLAGS="-std=c11"
elif [ $OS = "Linux" ] ; then
echo "Error: Linux is not supported yet"
exit -1
else
echo "Error: Unsupported OS $OS"
exit -1
fi
#--------------------------------------------------------------
# Set paths
#--------------------------------------------------------------
BINDIR="./bin"
SRCDIR="./src"
EXTDIR="./ext"
RESDIR="./resources"
INCLUDES="-I$SRCDIR -I$SRCDIR/util -I$SRCDIR/platform -I$EXTDIR -I$EXTDIR/angle_headers"
#--------------------------------------------------------------
# Build
#--------------------------------------------------------------
if [ ! \( -e bin \) ] ; then
mkdir ./bin
fi
if [ $target = 'lib' ] ; then
# compile metal shader
xcrun -sdk macosx metal $shaderFlagParam -c -o $BINDIR/mtl_shader.air $SRCDIR/mtl_shader.metal
xcrun -sdk macosx metallib -o $RESDIR/mtl_shader.metallib $BINDIR/mtl_shader.air
# compile milepost. We use one compilation unit for all C code, and one compilation
# unit for all ObjectiveC code
$CC $DEBUG_FLAGS -c -o $BINDIR/milepost_c.o $CFLAGS $FLAGS $INCLUDES $SRCDIR/milepost.c
$CC $DEBUG_FLAGS -c -o $BINDIR/milepost_objc.o $FLAGS $INCLUDES $SRCDIR/milepost.m
# build dynamic library
ld -dylib -o $BINDIR/libmilepost.dylib $BINDIR/milepost_c.o $BINDIR/milepost_objc.o -lc -framework Carbon -framework Cocoa -framework Metal -framework QuartzCore -L$BINDIR -weak-lEGL -weak-lGLESv2
# change dependent libs path to @rpath.
install_name_tool -change "./libEGL.dylib" '@rpath/libEGL.dylib' $BINDIR/libmilepost.dylib
install_name_tool -change "./libGLESv2.dylib" '@rpath/libGLESv2.dylib' $BINDIR/libmilepost.dylib
# add executable path to rpath. Client executable can still add its own rpaths if needed, e.g. @executable_path/libs/ etc.
install_name_tool -add_rpath "@executable_path" $BINDIR/libmilepost.dylib
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else
# additional targets
if [ $target = 'test' ] ; then
pushd examples/test_app
./build.sh
popd
elif [ $target = 'clean' ] ; then
rm -r ./bin
else
echo "unrecognized target $target"
exit -1
fi
fi