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build-script: Build lldb with CMake on Darwin

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build-script can already build lldb on Darwin using its Xcode project,
but it's useful to support the CMake build as well.

The CMake build allows incremental rebuilds with build-script. I expect
this to significantly cut down on iteration time.

Taking advantage of CMake also lets lldb piggyback on existing support
for sanitizers -- or exciting new build configurations we don't know
about yet -- without having to update the Xcode project file.

rdar://problem/36751944
This commit is contained in:
Vedant Kumar
2018-01-22 16:31:21 -08:00
parent cc783dc45a
commit 330e47d869
4 changed files with 50 additions and 12 deletions
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42
utils/build-script-impl
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@@ -73,6 +73,7 @@ KNOWN_SETTINGS=(
swift-stdlib-enable-resilience "0" "build the Swift stdlib and overlays with resilience enabled"
swift-stdlib-use-nonatomic-rc "0" "build the Swift stdlib and overlays with nonatomic reference count operations enabled"
lldb-build-type "Debug" "the CMake build variant for LLDB"
lldb-build-with-xcode "1" "Use xcodebuild to build LLDB, instead of CMake"
llbuild-build-type "Debug" "the CMake build variant for llbuild"
foundation-build-type "Debug" "the build variant for Foundation"
libdispatch-build-type "Debug" "the build variant for libdispatch"
@@ -2405,12 +2406,32 @@ for host in "${ALL_HOSTS[@]}"; do
)
;;
macosx-*)
# Set up flags to pass to xcodebuild
set_lldb_xcodebuild_options
set_lldb_build_mode
with_pushd ${source_dir} \
call xcodebuild -target desktop -configuration ${LLDB_BUILD_MODE} ${lldb_xcodebuild_options[@]}
continue
if [[ "$(true_false ${LLDB_BUILD_WITH_XCODE})" == "TRUE" ]] ; then
# Set up flags to pass to xcodebuild
set_lldb_xcodebuild_options
set_lldb_build_mode
with_pushd ${source_dir} \
call xcodebuild -target desktop -configuration ${LLDB_BUILD_MODE} ${lldb_xcodebuild_options[@]}
continue
else
cmake_options=(
"${cmake_options[@]}"
-DCMAKE_BUILD_TYPE:STRING="${LLDB_BUILD_TYPE}"
-DLLDB_SWIFTC:PATH="$(build_directory ${LOCAL_HOST} swift)/bin/swiftc"
-DCMAKE_INSTALL_PREFIX:PATH="$(get_host_install_prefix ${host})"
-DLLDB_PATH_TO_LLVM_SOURCE:PATH="${LLVM_SOURCE_DIR}"
-DLLDB_PATH_TO_CLANG_SOURCE:PATH="${CLANG_SOURCE_DIR}"
-DLLDB_PATH_TO_SWIFT_SOURCE:PATH="${SWIFT_SOURCE_DIR}"
-DLLDB_PATH_TO_LLVM_BUILD:PATH="${llvm_build_dir}"
-DLLDB_PATH_TO_CLANG_BUILD:PATH="${llvm_build_dir}"
-DLLDB_PATH_TO_SWIFT_BUILD:PATH="${swift_build_dir}"
-DLLDB_PATH_TO_CMARK_BUILD:PATH="${cmark_build_dir}"
-DLLDB_IS_BUILDBOT_BUILD="${LLDB_IS_BUILDBOT_BUILD}"
-DLLDB_BUILD_DATE:STRING="\"${LLDB_BUILD_DATE}\""
-DLLDB_ALLOW_STATIC_BINDINGS=1
-DLLDB_CODESIGN_IDENTITY=""
)
fi
;;
esac
;;
@@ -2799,7 +2820,7 @@ for host in "${ALL_HOSTS[@]}"; do
lldb_build_dir=$(build_directory ${host} lldb)
# Run the gtests.
if [[ "$(uname -s)" == "Darwin" ]] ; then
if [[ "$(uname -s)" == "Darwin" && "$(true_false ${LLDB_BUILD_WITH_XCODE})" == "TRUE" ]] ; then
set_lldb_xcodebuild_options
# Run the LLDB unittests (gtests).
with_pushd ${LLDB_SOURCE_DIR} \
@@ -2810,14 +2831,13 @@ for host in "${ALL_HOSTS[@]}"; do
exit 1
fi
else
# FIXME run the gtests on other platforms.
# There should be a CMake target for this already.
echo Run LLDB gtests here.
with_pushd ${lldb_build_dir} \
ninja check-lldb-unit
fi
swift_build_dir=$(build_directory ${host} swift)
# Setup lldb executable path
if [[ "$(uname -s)" == "Darwin" ]] ; then
if [[ "$(uname -s)" == "Darwin" && "$(true_false ${LLDB_BUILD_WITH_XCODE})" == "TRUE" ]] ; then
lldb_executable="${lldb_build_dir}"/${LLDB_BUILD_MODE}/lldb
else
lldb_executable="${lldb_build_dir}"/bin/lldb