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Add code to cross compile x64 jdk8 on arm64 mac #3492

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Oct 10, 2023
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1 change: 1 addition & 0 deletions .github/workflows/build.yml
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,7 @@ jobs:
run: |
rm -rf /Applications/Xcode.app
ln -s /Applications/Xcode_11.7.app /Applications/Xcode.app
ln -s /Applications/Xcode_11.7.app /Applications/Xcode-11.7.app
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This looks a bit strange - is this because the github actions runners have it in a different place from the default? i.e. with a _ instead of an - and we have stuff hard coded to use the location with a -?

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Yes, the runner has it in /Applications/Xcode_11.7.app while the build expects it to be in /Applications/Xcode-11.7.app

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Presumably one of those is the default location and the discrepancy isn't just because we've changed the default (in which case we'd be able to change it)?


- name: Build macOS
run: |
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5 changes: 3 additions & 2 deletions build-farm/make-adopt-build-farm.sh
Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ if [ -z "$ARCHITECTURE" ]; then
if [ "$ARCHITECTURE" = "powerpc" ]; then ARCHITECTURE=ppc64; fi # AIX
if [ "$ARCHITECTURE" = "arm" ]; then ARCHITECTURE=aarch64; fi # mac/aarch64
if [ "$ARCHITECTURE" = "armv7l" ]; then ARCHITECTURE=arm; fi # Linux/arm32
echo ARCHITECTURE not defined - assuming $ARCHITECTURE
echo ARCHITECTURE not defined - assuming "$ARCHITECTURE"
export ARCHITECTURE
fi

Expand Down Expand Up @@ -132,6 +132,7 @@ CONFIGURE_ARGS_FOR_ANY_PLATFORM=""
CONFIGURE_ARGS=${CONFIGURE_ARGS:-""}
BUILD_ARGS=${BUILD_ARGS:-""}
VARIANT_ARG=""
MAC_ROSETTA_PREFIX=""

if [ -z "${JDK_BOOT_VERSION}" ]
then
Expand Down Expand Up @@ -245,4 +246,4 @@ echo "$PLATFORM_SCRIPT_DIR/../makejdk-any-platform.sh --clean-git-repo --jdk-boo
CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM//\"/temporary_speech_mark_placeholder}"

# shellcheck disable=SC2086
bash -c "$PLATFORM_SCRIPT_DIR/../makejdk-any-platform.sh --clean-git-repo --jdk-boot-dir ${JDK_BOOT_DIR} --configure-args \"${CONFIGURE_ARGS_FOR_ANY_PLATFORM}\" --target-file-name ${FILENAME} ${TAG_OPTION} ${OPTIONS} ${BUILD_ARGS} ${VARIANT_ARG} ${JAVA_TO_BUILD}"
bash -c "$MAC_ROSETTA_PREFIX $PLATFORM_SCRIPT_DIR/../makejdk-any-platform.sh --clean-git-repo --jdk-boot-dir ${JDK_BOOT_DIR} --configure-args \"${CONFIGURE_ARGS_FOR_ANY_PLATFORM}\" --target-file-name ${FILENAME} ${TAG_OPTION} ${OPTIONS} ${BUILD_ARGS} ${VARIANT_ARG} ${JAVA_TO_BUILD}"
10 changes: 9 additions & 1 deletion build-farm/platform-specific-configurations/mac.sh
Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,18 @@ source "$SCRIPT_DIR/../../sbin/common/constants.sh"
export MACOSX_DEPLOYMENT_TARGET=10.9
export BUILD_ARGS="${BUILD_ARGS}"

## JDK8 only: If, at this point in the build, the architecure of the machine is arm64 while the ARCHITECTURE variable
## is x64 then we need to add the cross compilation option --openjdk-target=x86_64-apple-darwin
MACHINEARCHITECURE=$(uname -a)
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if [ "${JAVA_TO_BUILD}" == "${JDK8_VERSION}" ]
then
XCODE_SWITCH_PATH="/Applications/Xcode.app"
XCODE_SWITCH_PATH="/Applications/Xcode-11.7.app"
export CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM} --with-toolchain-type=clang"
if [[ "${MACHINEARCHITECURE}" == "arm64" ]] && [[ "${ARCHITECTURE}" == "x64" ]]; then
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export CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM} --openjdk-target=x86_64-apple-darwin"
export MAC_ROSETTA_PREFIX="arch -x86_64"
fi
if [ "${VARIANT}" == "${BUILD_VARIANT_OPENJ9}" ]; then
export CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM} --with-openssl=fetched --enable-openssl-bundling"
export BUILD_ARGS="${BUILD_ARGS} --skip-freetype"
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