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AnthonyLatsisAnthonyLatsis
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Merge pull request #63745 from AnthonyLatsis/build-script-impl-cleanup
build-script-impl: Remove dead code that expects an LLVM product
2 parents cecedd7 + 920d05b commit 52f46be

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‎utils/build-script-impl‎

Lines changed: 1 addition & 206 deletions
Original file line numberDiff line numberDiff line change
@@ -1206,11 +1206,6 @@ SWIFT_PATH_TO_STRING_PROCESSING_SOURCE="${WORKSPACE}/swift-experimental-string-p
12061206
SWIFTSYNTAX_SOURCE_DIR="${WORKSPACE}/swift-syntax"
12071207
SWIFT_SYNTAX_SOURCE_DIR="${WORKSPACE}/swift-syntax"
12081208

1209-
# We cannot currently apply the normal rules of skipping here for LLVM. Even if
1210-
# we are skipping building LLVM, we still need to at least build a few tools
1211-
# like tblgen that Swift relies on for building and testing. See the LLVM
1212-
# configure rules.
1213-
PRODUCTS=(llvm)
12141209
[[ "${SKIP_BUILD_LIBCXX}" ]] || PRODUCTS+=(libcxx)
12151210
[[ "${SKIP_BUILD_LIBICU}" ]] || PRODUCTS+=(libicu)
12161211
[[ "${SKIP_BUILD_SWIFT}" ]] || PRODUCTS+=(swift)
@@ -1394,9 +1389,6 @@ function cmake_config_opt() {
13941389
# CMake automatically adds --target ALL_BUILD if we don't pass this.
13951390
echo "--target ZERO_CHECK "
13961391
case ${product} in
1397-
llvm)
1398-
echo "--config ${LLVM_BUILD_TYPE}"
1399-
;;
14001392
libcxx)
14011393
# Reuse LLVM's build type.
14021394
echo "--config ${LLVM_BUILD_TYPE}"
@@ -1700,137 +1692,6 @@ for host in "${ALL_HOSTS[@]}"; do
17001692
cmake_options+=("${product_cmake_options[@]}")
17011693

17021694
case ${product} in
1703-
llvm)
1704-
if [[ -n "${LLVM_NINJA_TARGETS_FOR_CROSS_COMPILE_HOSTS}" && $(is_cross_tools_host ${host}) ]] ; then
1705-
build_targets=("${LLVM_NINJA_TARGETS_FOR_CROSS_COMPILE_HOSTS[@]}")
1706-
elif [[ -n "${LLVM_NINJA_TARGETS}" ]] ; then
1707-
build_targets=("${LLVM_NINJA_TARGETS[@]}")
1708-
fi
1709-
# indicating we don't want to build LLVM should
1710-
# override any custom ninja target we specified
1711-
if [ "${BUILD_LLVM}" == "0" ] ; then
1712-
build_targets=(clean)
1713-
fi
1714-
if [[ "${SKIP_BUILD}" || "${SKIP_BUILD_LLVM}" ]] ; then
1715-
# We can't skip the build completely because the standalone
1716-
# build of Swift depend on these for building and testing.
1717-
build_targets=(llvm-tblgen clang-resource-headers intrinsics_gen clang-tablegen-targets)
1718-
# If we are not performing a toolchain only build, then we
1719-
# also want to include FileCheck, not, llvm-nm, and similar
1720-
# for testing purposes.
1721-
if [[ ! "${BUILD_TOOLCHAIN_ONLY}" ]] ; then
1722-
build_targets=(
1723-
"${build_targets[@]}"
1724-
FileCheck
1725-
not
1726-
llvm-nm
1727-
llvm-size
1728-
)
1729-
fi
1730-
fi
1731-
1732-
if [ "${HOST_LIBTOOL}" ] ; then
1733-
cmake_options=(
1734-
"${cmake_options[@]}"
1735-
-DCMAKE_LIBTOOL:PATH="${HOST_LIBTOOL}"
1736-
)
1737-
fi
1738-
1739-
# Note: we set the variable:
1740-
#
1741-
# LLVM_TOOL_SWIFT_BUILD
1742-
#
1743-
# below because this script builds swift separately, and people
1744-
# often have reasons to symlink the swift directory into
1745-
# llvm/tools, e.g. to build LLDB.
1746-
cmake_options=(
1747-
"${cmake_options[@]}"
1748-
-DCMAKE_C_FLAGS="$(llvm_c_flags ${host})"
1749-
-DCMAKE_CXX_FLAGS="$(llvm_c_flags ${host})"
1750-
-DCMAKE_C_FLAGS_RELWITHDEBINFO="-O2 -DNDEBUG"
1751-
-DCMAKE_CXX_FLAGS_RELWITHDEBINFO="-O2 -DNDEBUG"
1752-
-DCMAKE_BUILD_TYPE:STRING="${LLVM_BUILD_TYPE}"
1753-
-DLLVM_TOOL_SWIFT_BUILD:BOOL=NO
1754-
-DLLVM_TOOL_LLD_BUILD:BOOL=TRUE
1755-
-DLLVM_INCLUDE_DOCS:BOOL=TRUE
1756-
-DLLVM_ENABLE_LTO:STRING="${LLVM_ENABLE_LTO}"
1757-
-DCOMPILER_RT_INTERCEPT_LIBDISPATCH=ON
1758-
"${llvm_cmake_options[@]}"
1759-
)
1760-
1761-
llvm_enable_projects=("clang")
1762-
1763-
if [[ ! "${SKIP_BUILD_COMPILER_RT}" && ! $(is_cross_tools_host ${host}) ]]; then
1764-
llvm_enable_projects+=("compiler-rt")
1765-
fi
1766-
1767-
if [[ ! "${SKIP_BUILD_CLANG_TOOLS_EXTRA}" ]]; then
1768-
llvm_enable_projects+=("clang-tools-extra")
1769-
fi
1770-
1771-
if [[ ! "${SKIP_BUILD_LLD}" ]]; then
1772-
llvm_enable_projects+=("lld")
1773-
fi
1774-
1775-
cmake_options+=(
1776-
-DLLVM_ENABLE_PROJECTS="$(join ";" ${llvm_enable_projects[@]})"
1777-
# In the near future we are aiming to build compiler-rt with
1778-
# LLVM_ENABLE_RUNTIMES
1779-
# Until that happens, we need to unset this variable from
1780-
# LLVM CMakeCache.txt for two reasons
1781-
# * prevent PRs testing this variable to affect other runs landing
1782-
# unrelated features
1783-
# * avoid fallouts should we land such change and then have to revert
1784-
# it to account for unforeseen regressions
1785-
-ULLVM_ENABLE_RUNTIMES
1786-
)
1787-
1788-
# NOTE: This is not a dead option! It is relied upon for certain
1789-
# bots/build-configs!
1790-
#
1791-
# TODO: In the future when we are always cross compiling and
1792-
# using Toolchain files, we should put this in either a
1793-
# toolchain file or a cmake cache.
1794-
if [[ "${BUILD_TOOLCHAIN_ONLY}" ]]; then
1795-
cmake_options+=(
1796-
-DLLVM_BUILD_TOOLS=NO
1797-
-DLLVM_INSTALL_TOOLCHAIN_ONLY=YES
1798-
-DLLVM_INCLUDE_TESTS=NO
1799-
-DCLANG_INCLUDE_TESTS=NO
1800-
-DLLVM_INCLUDE_UTILS=NO
1801-
-DLLVM_TOOL_LLI_BUILD=NO
1802-
-DLLVM_TOOL_LLVM_AR_BUILD=NO
1803-
-DCLANG_TOOL_CLANG_CHECK_BUILD=NO
1804-
-DCLANG_TOOL_ARCMT_TEST_BUILD=NO
1805-
-DCLANG_TOOL_C_ARCMT_TEST_BUILD=NO
1806-
-DCLANG_TOOL_C_INDEX_TEST_BUILD=NO
1807-
-DCLANG_TOOL_DRIVER_BUILD=$(false_true "${BUILD_RUNTIME_WITH_HOST_COMPILER}")
1808-
-DCLANG_TOOL_DIAGTOOL_BUILD=NO
1809-
-DCLANG_TOOL_SCAN_BUILD_BUILD=NO
1810-
-DCLANG_TOOL_SCAN_VIEW_BUILD=NO
1811-
-DCLANG_TOOL_CLANG_FORMAT_BUILD=NO
1812-
)
1813-
fi
1814-
1815-
if [[ $(true_false "${LLVM_INCLUDE_TESTS}") == "FALSE" ]]; then
1816-
cmake_options+=(
1817-
-DLLVM_INCLUDE_TESTS=NO
1818-
-DCLANG_INCLUDE_TESTS=NO
1819-
)
1820-
fi
1821-
1822-
if [[ $(is_cross_tools_host ${host}) ]] ; then
1823-
cmake_options=(
1824-
"${cmake_options[@]}"
1825-
-DLLVM_TABLEGEN=$(build_directory "${LOCAL_HOST}" llvm)/bin/llvm-tblgen
1826-
-DCLANG_TABLEGEN=$(build_directory "${LOCAL_HOST}" llvm)/bin/clang-tblgen
1827-
-DLLVM_NATIVE_BUILD=$(build_directory "${LOCAL_HOST}" llvm)
1828-
)
1829-
cmake_options+=("${SWIFT_TARGET_CMAKE_OPTIONS[@]}")
1830-
fi
1831-
1832-
;;
1833-
18341695
libcxx)
18351696
build_targets=(cxx)
18361697
cmake_options=(
@@ -2765,42 +2626,8 @@ for host in "${ALL_HOSTS[@]}"; do
27652626
continue
27662627
fi
27672628

2768-
# When we are building LLVM create symlinks to the c++ headers. We need
2769-
# to do this before building LLVM since compiler-rt depends on being
2770-
# built with the just built clang compiler. These are normally put into
2771-
# place during the cmake step of LLVM's build when libcxx is in
2772-
# tree... but we are not building llvm with libcxx in tree when we build
2773-
# swift. So we need to do configure's work here.
2774-
if [[ "${product}" == "llvm" ]]; then
2775-
# Find the location of the c++ header dir.
2776-
if [[ "$(uname -s)" == "Darwin" ]] ; then
2777-
HOST_CXX_DIR=$(dirname "${HOST_CXX}")
2778-
HOST_CXX_HEADERS_DIR="$HOST_CXX_DIR/../../usr/include/c++"
2779-
elif [[ "$(uname -s)" == "Haiku" ]] ; then
2780-
HOST_CXX_HEADERS_DIR="/boot/system/develop/headers/c++"
2781-
elif [[ "${ANDROID_DATA}" ]] ; then
2782-
# This means we're building natively on Android in the Termux
2783-
# app, which supplies the $PREFIX variable.
2784-
HOST_CXX_HEADERS_DIR="$PREFIX/include/c++"
2785-
else # Linux
2786-
HOST_CXX_HEADERS_DIR="/usr/include/c++"
2787-
fi
2788-
2789-
# Find the path in which the local clang build is expecting to find
2790-
# the c++ header files.
2791-
BUILT_CXX_INCLUDE_DIR="$llvm_build_dir/include"
2792-
2793-
echo "symlinking the system headers ($HOST_CXX_HEADERS_DIR) into the local clang build directory ($BUILT_CXX_INCLUDE_DIR)."
2794-
call ln -s -f "$HOST_CXX_HEADERS_DIR" "$BUILT_CXX_INCLUDE_DIR"
2795-
fi
2796-
27972629
# Build.
2798-
#
2799-
# Even if builds are skipped, Swift configuration relies on
2800-
# some LLVM tools like TableGen. In the LLVM configure rules
2801-
# above, a small subset of LLVM build_targets are selected
2802-
# when SKIP_BUILD is set.
2803-
if [[ $(not ${SKIP_BUILD}) || "${product}" == "llvm" ]]; then
2630+
if [[ $(not ${SKIP_BUILD}) ]]; then
28042631
if [[ "${CMAKE_GENERATOR}" == "Xcode" ]] ; then
28052632
# Xcode generator uses "ALL_BUILD" instead of "all".
28062633
# Also, xcodebuild uses -target instead of bare names.
@@ -2814,13 +2641,6 @@ for host in "${ALL_HOSTS[@]}"; do
28142641

28152642
call "${CMAKE_BUILD[@]}" "${build_dir}" $(cmake_config_opt ${product}) -- "${BUILD_ARGS[@]}" ${build_targets[@]}
28162643
fi
2817-
2818-
# When we are building LLVM copy over the compiler-rt
2819-
# builtins for iOS/tvOS/watchOS to ensure that Swift's
2820-
# stdlib can use compiler-rt builtins when targeting iOS/tvOS/watchOS.
2821-
if [[ "${product}" = "llvm" ]] && [[ "${BUILD_LLVM}" = "1" ]] && [[ "$(uname -s)" = "Darwin" ]]; then
2822-
copy_embedded_compiler_rt_builtins_from_darwin_host_toolchain "$(build_directory_bin ${host} llvm)/.."
2823-
fi
28242644
done
28252645
done
28262646
# END OF BUILD PHASE
@@ -2863,9 +2683,6 @@ for host in "${ALL_HOSTS[@]}"; do
28632683
fi
28642684

28652685
case ${product} in
2866-
llvm)
2867-
continue # We don't test LLVM
2868-
;;
28692686
libcxx)
28702687
continue # We don't test libc++
28712688
;;
@@ -3185,21 +3002,6 @@ for host in "${ALL_HOSTS[@]}"; do
31853002
INSTALL_TARGETS="install"
31863003

31873004
case ${product} in
3188-
llvm)
3189-
if [[ -z "${INSTALL_LLVM}" ]] ; then
3190-
continue
3191-
fi
3192-
3193-
if [[ "${LLVM_INSTALL_COMPONENTS}" == "all" ]] ; then
3194-
INSTALL_TARGETS=install
3195-
elif [[ -n "${LLVM_INSTALL_COMPONENTS}" ]] ; then
3196-
if [[ $(is_cross_tools_host ${host}) && "${LLVM_INSTALL_COMPONENTS}" == *"compiler-rt"* ]]; then
3197-
INSTALL_TARGETS=install-$(echo ${LLVM_INSTALL_COMPONENTS} | sed -E 's/compiler-rt;//g' |sed -E 's/;/ install-/g')
3198-
else
3199-
INSTALL_TARGETS=install-$(echo ${LLVM_INSTALL_COMPONENTS} | sed -E 's/;/ install-/g')
3200-
fi
3201-
fi
3202-
;;
32033005
libcxx)
32043006
if [[ -z "${INSTALL_LIBCXX}" ]] ; then
32053007
continue
@@ -3325,13 +3127,6 @@ for host in "${ALL_HOSTS[@]}"; do
33253127
build_dir=$(build_directory ${host} ${product})
33263128

33273129
call env DESTDIR="${host_install_destdir}" "${CMAKE_BUILD[@]}" "${build_dir}" -- ${INSTALL_TARGETS}
3328-
3329-
# When we are installing LLVM copy over the compiler-rt
3330-
# builtins for iOS/tvOS/watchOS to ensure that we don't
3331-
# have linker errors when building apps for such platforms.
3332-
if [[ "${product}" = "llvm" ]] && [[ ! -z "${LLVM_INSTALL_COMPONENTS}" ]] && [[ "$(uname -s)" = "Darwin" ]]; then
3333-
copy_embedded_compiler_rt_builtins_from_darwin_host_toolchain "${host_install_destdir}${host_install_prefix}"
3334-
fi
33353130
done
33363131
done
33373132

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