Files
UnrealEngine/Engine/Source/ThirdParty/Blosc/BuildForUE/Mac/BuildForMac.command
2025-05-18 13:04:45 +08:00

110 lines
2.8 KiB
Bash

#!/bin/bash
set -e
UsageAndExit()
{
echo "Build Blosc for use with Unreal Engine on Mac"
echo
echo "Usage:"
echo
echo " BuildForMac.command <Blosc Version>"
echo
echo "Usage examples:"
echo
echo " BuildForMac.command 1.21.0"
echo " -- Installs Blosc version 1.21.0."
exit 1
}
# Get version from arguments.
BLOSC_VERSION=$1
if [ -z "$BLOSC_VERSION" ]
then
UsageAndExit
fi
BUILD_SCRIPT_LOCATION=`cd $(dirname "$0"); pwd`
UE_THIRD_PARTY_LOCATION=`cd $BUILD_SCRIPT_LOCATION/../../..; pwd`
ZLIB_LOCATION="$UE_THIRD_PARTY_LOCATION/zlib/v1.2.8"
ZLIB_INCLUDE_LOCATION="$ZLIB_LOCATION/include/Mac"
ZLIB_LIB_LOCATION="$ZLIB_LOCATION/lib/Mac/libz.a"
UE_MODULE_LOCATION=`cd $BUILD_SCRIPT_LOCATION/../..; pwd`
SOURCE_LOCATION="$UE_MODULE_LOCATION/c-blosc-$BLOSC_VERSION"
BUILD_LOCATION="$UE_MODULE_LOCATION/Intermediate"
INSTALL_LOCATION="$UE_MODULE_LOCATION/Deploy/c-blosc-$BLOSC_VERSION"
INSTALL_INCLUDE_LOCATION="$INSTALL_LOCATION/include"
INSTALL_MAC_LOCATION="$INSTALL_LOCATION/Mac"
rm -rf $BUILD_LOCATION
rm -rf $INSTALL_INCLUDE_LOCATION
rm -rf $INSTALL_MAC_LOCATION
mkdir $BUILD_LOCATION
pushd $BUILD_LOCATION > /dev/null
# Note that we patch the source for the version of LZ4 that is bundled with
# Blosc to add a prefix to all of its functions. This ensures that the symbol
# names do not collide with the version(s) of LZ4 that are embedded in the
# engine.
# Copy the source into the build directory so that we can apply patches.
BUILD_SOURCE_LOCATION="$BUILD_LOCATION/c-blosc-$BLOSC_VERSION"
cp -r $SOURCE_LOCATION $BUILD_SOURCE_LOCATION
pushd $BUILD_SOURCE_LOCATION > /dev/null
git apply $UE_MODULE_LOCATION/Blosc_v1.21.0_LZ4_PREFIX.patch
popd > /dev/null
C_FLAGS="-DLZ4_PREFIX=BLOSC_"
CMAKE_ARGS=(
-DCMAKE_INSTALL_PREFIX="$INSTALL_LOCATION"
-DPREFER_EXTERNAL_ZLIB=ON
-DZLIB_INCLUDE_DIR="$ZLIB_INCLUDE_LOCATION"
-DZLIB_LIBRARY="$ZLIB_LIB_LOCATION"
-DCMAKE_C_FLAGS="$C_FLAGS"
-DCMAKE_OSX_DEPLOYMENT_TARGET="14.0"
-DCMAKE_OSX_ARCHITECTURES="arm64;x86_64"
-DDEACTIVATE_SSE2=ON
-DDEACTIVATE_AVX2=ON
-DBUILD_SHARED=OFF
-DBUILD_TESTS=OFF
-DBUILD_FUZZERS=OFF
-DBUILD_BENCHMARKS=OFF
-DCMAKE_DEBUG_POSTFIX=_d
)
echo Configuring build for Blosc version $BLOSC_VERSION...
cmake -G "Xcode" $BUILD_SOURCE_LOCATION "${CMAKE_ARGS[@]}"
echo Building Blosc for Debug...
cmake --build . --config Debug -j8
echo Installing Blosc for Debug...
cmake --install . --config Debug
echo Building Blosc for Release...
cmake --build . --config Release -j8
echo Installing Blosc for Release...
cmake --install . --config Release
popd > /dev/null
echo Removing pkgconfig files...
rm -rf "$INSTALL_LOCATION/lib/pkgconfig"
echo Moving lib directory into place...
INSTALL_LIB_LOCATION="$INSTALL_LOCATION/Mac"
mkdir $INSTALL_LIB_LOCATION
mv "$INSTALL_LOCATION/lib" "$INSTALL_LIB_LOCATION"
echo Done.