[compiler-rt] b89b18e - [CMake][compiler-rt] Make CRT separately buildable
Petr Hosek via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 5 23:46:28 PDT 2022
Author: Petr Hosek
Date: 2022-04-05T22:58:38-07:00
New Revision: b89b18e350e11efc599f6ce2bb55cbec89a0efe1
URL: https://github.com/llvm/llvm-project/commit/b89b18e350e11efc599f6ce2bb55cbec89a0efe1
DIFF: https://github.com/llvm/llvm-project/commit/b89b18e350e11efc599f6ce2bb55cbec89a0efe1.diff
LOG: [CMake][compiler-rt] Make CRT separately buildable
This is useful when building a complete toolchain to ensure that CRT
is built after builtins but before the rest of the compiler-rt.
Differential Revision: https://reviews.llvm.org/D120682
Added:
compiler-rt/cmake/Modules/CheckSectionExists.cmake
compiler-rt/cmake/crt-config-ix.cmake
Modified:
compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
compiler-rt/cmake/Modules/CompilerRTUtils.cmake
compiler-rt/cmake/config-ix.cmake
compiler-rt/lib/CMakeLists.txt
compiler-rt/lib/crt/CMakeLists.txt
compiler-rt/test/CMakeLists.txt
compiler-rt/test/crt/CMakeLists.txt
Removed:
################################################################################
diff --git a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
index 3e86cf63c789b..bc4789dbe1009 100644
--- a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -27,8 +27,6 @@ set(ALL_SANITIZER_COMMON_SUPPORTED_ARCH ${X86} ${X86_64} ${PPC64} ${RISCV64}
${HEXAGON})
set(ALL_ASAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV64}
${MIPS32} ${MIPS64} ${PPC64} ${S390X} ${SPARC} ${SPARCV9} ${HEXAGON})
-set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${PPC32}
- ${PPC64} ${RISCV32} ${RISCV64} ${VE} ${HEXAGON})
set(ALL_DFSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64})
if(ANDROID)
diff --git a/compiler-rt/cmake/Modules/CheckSectionExists.cmake b/compiler-rt/cmake/Modules/CheckSectionExists.cmake
new file mode 100644
index 0000000000000..abfb81cb45895
--- /dev/null
+++ b/compiler-rt/cmake/Modules/CheckSectionExists.cmake
@@ -0,0 +1,91 @@
+function(check_section_exists section output)
+ cmake_parse_arguments(ARG "" "" "SOURCE;FLAGS" ${ARGN})
+ if(NOT ARG_SOURCE)
+ set(ARG_SOURCE "int main() { return 0; }\n")
+ endif()
+
+ string(RANDOM TARGET_NAME)
+ set(TARGET_NAME "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cmTC_${TARGET_NAME}.dir")
+ file(MAKE_DIRECTORY ${TARGET_NAME})
+
+ file(WRITE "${TARGET_NAME}/CheckSectionExists.c" "${ARG_SOURCE}\n")
+
+ string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions
+ ${CMAKE_C_COMPILE_OBJECT})
+
+ set(try_compile_flags "${ARG_FLAGS}")
+ if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET)
+ list(APPEND try_compile_flags "-target ${CMAKE_C_COMPILER_TARGET}")
+ endif()
+ append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto try_compile_flags)
+ if(NOT COMPILER_RT_ENABLE_PGO)
+ if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
+ list(APPEND try_compile_flags "-fno-profile-instr-use")
+ endif()
+ if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
+ list(APPEND try_compile_flags "-fno-profile-generate")
+ elseif((LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE) AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
+ list(APPEND try_compile_flags "-fno-profile-instr-generate")
+ if(LLVM_BUILD_INSTRUMENTED_COVERAGE AND COMPILER_RT_HAS_FNO_COVERAGE_MAPPING_FLAG)
+ list(APPEND try_compile_flags "-fno-coverage-mapping")
+ endif()
+ endif()
+ endif()
+
+ string(REPLACE ";" " " extra_flags "${try_compile_flags}")
+
+ set(test_compile_command "${CMAKE_C_COMPILE_OBJECT}")
+ foreach(substitution ${substitutions})
+ if(substitution STREQUAL "<CMAKE_C_COMPILER>")
+ string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}"
+ test_compile_command ${test_compile_command})
+ elseif(substitution STREQUAL "<OBJECT>")
+ string(REPLACE "<OBJECT>" "${TARGET_NAME}/CheckSectionExists.o"
+ test_compile_command ${test_compile_command})
+ elseif(substitution STREQUAL "<SOURCE>")
+ string(REPLACE "<SOURCE>" "${TARGET_NAME}/CheckSectionExists.c"
+ test_compile_command ${test_compile_command})
+ elseif(substitution STREQUAL "<FLAGS>")
+ string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_flags}"
+ test_compile_command ${test_compile_command})
+ else()
+ string(REPLACE "${substitution}" "" test_compile_command
+ ${test_compile_command})
+ endif()
+ endforeach()
+
+ # Strip quotes from the compile command, as the compiler is not expecting
+ # quoted arguments (potential quotes added from D62063).
+ string(REPLACE "\"" "" test_compile_command "${test_compile_command}")
+
+ string(REPLACE " " ";" test_compile_command "${test_compile_command}")
+
+ execute_process(
+ COMMAND ${test_compile_command}
+ RESULT_VARIABLE TEST_RESULT
+ OUTPUT_VARIABLE TEST_OUTPUT
+ ERROR_VARIABLE TEST_ERROR
+ )
+
+ # Explicitly throw a fatal error message if test_compile_command fails.
+ if(TEST_RESULT)
+ message(FATAL_ERROR "${TEST_ERROR}")
+ return()
+ endif()
+
+ execute_process(
+ COMMAND ${CMAKE_OBJDUMP} -h "${TARGET_NAME}/CheckSectionExists.o"
+ RESULT_VARIABLE CHECK_RESULT
+ OUTPUT_VARIABLE CHECK_OUTPUT
+ ERROR_VARIABLE CHECK_ERROR
+ )
+ string(FIND "${CHECK_OUTPUT}" "${section}" SECTION_FOUND)
+
+ if(NOT SECTION_FOUND EQUAL -1)
+ set(${output} TRUE PARENT_SCOPE)
+ else()
+ set(${output} FALSE PARENT_SCOPE)
+ endif()
+
+ file(REMOVE_RECURSE ${TARGET_NAME})
+endfunction()
diff --git a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
index 4c2f6e2778b16..b7bf2ba8632bc 100644
--- a/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
+++ b/compiler-rt/cmake/Modules/CompilerRTUtils.cmake
@@ -238,6 +238,10 @@ function(get_compiler_rt_root_source_dir ROOT_DIR_VAR)
# Compiler-RT Builtins standalone build.
# `llvm-project/compiler-rt/lib/builtins`
set(PATH_TO_COMPILER_RT_SOURCE_ROOT "${CompilerRTBuiltins_SOURCE_DIR}/../../")
+ elseif (DEFINED CompilerRTCRT_SOURCE_DIR)
+ # Compiler-RT CRT standalone build.
+ # `llvm-project/compiler-rt/lib/crt`
+ set(PATH_TO_COMPILER_RT_SOURCE_ROOT "${CompilerRTCRT_SOURCE_DIR}/../../")
elseif(DEFINED CompilerRT_SOURCE_DIR)
# Compiler-RT standalone build.
# `llvm-project/compiler-rt`
diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake
index 33e6e1c80cdb3..729809f55690c 100644
--- a/compiler-rt/cmake/config-ix.cmake
+++ b/compiler-rt/cmake/config-ix.cmake
@@ -612,7 +612,6 @@ if(APPLE)
SANITIZER_COMMON_SUPPORTED_ARCH)
else()
- filter_available_targets(CRT_SUPPORTED_ARCH ${ALL_CRT_SUPPORTED_ARCH})
# Architectures supported by compiler-rt libraries.
filter_available_targets(SANITIZER_COMMON_SUPPORTED_ARCH
${ALL_SANITIZER_COMMON_SUPPORTED_ARCH})
@@ -709,12 +708,6 @@ endif()
# TODO: Add builtins support.
-if (CRT_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux" AND NOT LLVM_USE_SANITIZER)
- set(COMPILER_RT_HAS_CRT TRUE)
-else()
- set(COMPILER_RT_HAS_CRT FALSE)
-endif()
-
if (COMPILER_RT_HAS_SANITIZER_COMMON AND DFSAN_SUPPORTED_ARCH AND
OS_NAME MATCHES "Linux")
set(COMPILER_RT_HAS_DFSAN TRUE)
diff --git a/compiler-rt/cmake/crt-config-ix.cmake b/compiler-rt/cmake/crt-config-ix.cmake
new file mode 100644
index 0000000000000..e8f50949a5029
--- /dev/null
+++ b/compiler-rt/cmake/crt-config-ix.cmake
@@ -0,0 +1,47 @@
+include(BuiltinTests)
+include(CheckCSourceCompiles)
+
+# Make all the tests only check the compiler
+set(TEST_COMPILE_ONLY On)
+
+builtin_check_c_compiler_flag(-fPIC COMPILER_RT_HAS_FPIC_FLAG)
+builtin_check_c_compiler_flag(-std=c11 COMPILER_RT_HAS_STD_C11_FLAG)
+builtin_check_c_compiler_flag(-Wno-pedantic COMPILER_RT_HAS_WNO_PEDANTIC)
+builtin_check_c_compiler_flag(-fno-lto COMPILER_RT_HAS_FNO_LTO_FLAG)
+builtin_check_c_compiler_flag(-fno-profile-generate COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
+builtin_check_c_compiler_flag(-fno-profile-instr-generate COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
+builtin_check_c_compiler_flag(-fno-profile-instr-use COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
+
+if(ANDROID)
+ set(OS_NAME "Android")
+else()
+ set(OS_NAME "${CMAKE_SYSTEM_NAME}")
+endif()
+
+set(ARM64 aarch64)
+set(ARM32 arm armhf armv6m armv7m armv7em armv7 armv7s armv7k)
+set(X86 i386)
+set(X86_64 x86_64)
+set(RISCV32 riscv32)
+set(RISCV64 riscv64)
+set(VE ve)
+
+set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${PPC32}
+ ${PPC64} ${RISCV32} ${RISCV64} ${VE} ${HEXAGON})
+
+include(CompilerRTUtils)
+
+if(NOT APPLE)
+ if(COMPILER_RT_CRT_STANDALONE_BUILD)
+ test_targets()
+ endif()
+ # Architectures supported by compiler-rt crt library.
+ filter_available_targets(CRT_SUPPORTED_ARCH ${ALL_CRT_SUPPORTED_ARCH})
+ message(STATUS "Supported architectures for crt: ${CRT_SUPPORTED_ARCH}")
+endif()
+
+if (CRT_SUPPORTED_ARCH AND OS_NAME MATCHES "Linux" AND NOT LLVM_USE_SANITIZER)
+ set(COMPILER_RT_HAS_CRT TRUE)
+else()
+ set(COMPILER_RT_HAS_CRT FALSE)
+endif()
diff --git a/compiler-rt/lib/CMakeLists.txt b/compiler-rt/lib/CMakeLists.txt
index 1437e37b86d9d..18eed2446dc61 100644
--- a/compiler-rt/lib/CMakeLists.txt
+++ b/compiler-rt/lib/CMakeLists.txt
@@ -17,7 +17,7 @@ if(COMPILER_RT_BUILD_BUILTINS)
add_subdirectory(builtins)
endif()
-if(COMPILER_RT_BUILD_CRT AND COMPILER_RT_HAS_CRT)
+if(COMPILER_RT_BUILD_CRT)
add_subdirectory(crt)
endif()
diff --git a/compiler-rt/lib/crt/CMakeLists.txt b/compiler-rt/lib/crt/CMakeLists.txt
index dc7dd17f8b1a9..0628163659bd1 100644
--- a/compiler-rt/lib/crt/CMakeLists.txt
+++ b/compiler-rt/lib/crt/CMakeLists.txt
@@ -1,120 +1,63 @@
-add_compiler_rt_component(crt)
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+ cmake_minimum_required(VERSION 3.13.4)
-function(check_cxx_section_exists section output)
- cmake_parse_arguments(ARG "" "" "SOURCE;FLAGS" ${ARGN})
- if(NOT ARG_SOURCE)
- set(ARG_SOURCE "int main() { return 0; }\n")
- endif()
-
- string(RANDOM TARGET_NAME)
- set(TARGET_NAME "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/cmTC_${TARGET_NAME}.dir")
- file(MAKE_DIRECTORY ${TARGET_NAME})
-
- file(WRITE "${TARGET_NAME}/CheckSectionExists.c" "${ARG_SOURCE}\n")
+ set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
+ project(CompilerRTCRT C)
+ set(COMPILER_RT_STANDALONE_BUILD TRUE)
+ set(COMPILER_RT_CRT_STANDALONE_BUILD TRUE)
- string(REGEX MATCHALL "<[A-Za-z0-9_]*>" substitutions
- ${CMAKE_C_COMPILE_OBJECT})
+ set(COMPILER_RT_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../..")
- set(try_compile_flags "${ARG_FLAGS}")
- if(CMAKE_C_COMPILER_ID MATCHES Clang AND CMAKE_C_COMPILER_TARGET)
- list(APPEND try_compile_flags "-target ${CMAKE_C_COMPILER_TARGET}")
- endif()
- append_list_if(COMPILER_RT_HAS_FNO_LTO_FLAG -fno-lto try_compile_flags)
- if(NOT COMPILER_RT_ENABLE_PGO)
- if(LLVM_PROFDATA_FILE AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
- list(APPEND try_compile_flags "-fno-profile-instr-use")
- endif()
- if(LLVM_BUILD_INSTRUMENTED MATCHES IR AND COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
- list(APPEND try_compile_flags "-fno-profile-generate")
- elseif((LLVM_BUILD_INSTRUMENTED OR LLVM_BUILD_INSTRUMENTED_COVERAGE) AND COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
- list(APPEND try_compile_flags "-fno-profile-instr-generate")
- if(LLVM_BUILD_INSTRUMENTED_COVERAGE AND COMPILER_RT_HAS_FNO_COVERAGE_MAPPING_FLAG)
- list(APPEND try_compile_flags "-fno-coverage-mapping")
- endif()
- endif()
- endif()
+ set(LLVM_COMMON_CMAKE_UTILS "${COMPILER_RT_SOURCE_DIR}/../cmake")
- string(REPLACE ";" " " extra_flags "${try_compile_flags}")
+ # Add path for custom modules
+ list(INSERT CMAKE_MODULE_PATH 0
+ "${COMPILER_RT_SOURCE_DIR}/cmake"
+ "${COMPILER_RT_SOURCE_DIR}/cmake/Modules"
+ "${LLVM_COMMON_CMAKE_UTILS}"
+ "${LLVM_COMMON_CMAKE_UTILS}/Modules"
+ )
- set(test_compile_command "${CMAKE_C_COMPILE_OBJECT}")
- foreach(substitution ${substitutions})
- if(substitution STREQUAL "<CMAKE_C_COMPILER>")
- string(REPLACE "<CMAKE_C_COMPILER>" "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}"
- test_compile_command ${test_compile_command})
- elseif(substitution STREQUAL "<OBJECT>")
- string(REPLACE "<OBJECT>" "${TARGET_NAME}/CheckSectionExists.o"
- test_compile_command ${test_compile_command})
- elseif(substitution STREQUAL "<SOURCE>")
- string(REPLACE "<SOURCE>" "${TARGET_NAME}/CheckSectionExists.c"
- test_compile_command ${test_compile_command})
- elseif(substitution STREQUAL "<FLAGS>")
- string(REPLACE "<FLAGS>" "${CMAKE_C_FLAGS} ${extra_flags}"
- test_compile_command ${test_compile_command})
- else()
- string(REPLACE "${substitution}" "" test_compile_command
- ${test_compile_command})
- endif()
- endforeach()
+ include(base-config-ix)
+ include(CompilerRTUtils)
- # Strip quotes from the compile command, as the compiler is not expecting
- # quoted arguments (potential quotes added from D62063).
- string(REPLACE "\"" "" test_compile_command "${test_compile_command}")
+ load_llvm_config()
+ construct_compiler_rt_default_triple()
- string(REPLACE " " ";" test_compile_command "${test_compile_command}")
+ include(SetPlatformToolchainTools)
+ include(AddCompilerRT)
+endif()
- execute_process(
- COMMAND ${test_compile_command}
- RESULT_VARIABLE TEST_RESULT
- OUTPUT_VARIABLE TEST_OUTPUT
- ERROR_VARIABLE TEST_ERROR
- )
+include(crt-config-ix)
- # Explicitly throw a fatal error message if test_compile_command fails.
- if(TEST_RESULT)
- message(FATAL_ERROR "${TEST_ERROR}")
- return()
- endif()
+if(COMPILER_RT_HAS_CRT)
+ add_compiler_rt_component(crt)
- execute_process(
- COMMAND ${CMAKE_OBJDUMP} -h "${TARGET_NAME}/CheckSectionExists.o"
- RESULT_VARIABLE CHECK_RESULT
- OUTPUT_VARIABLE CHECK_OUTPUT
- ERROR_VARIABLE CHECK_ERROR
- )
- string(FIND "${CHECK_OUTPUT}" "${section}" SECTION_FOUND)
+ include(CheckSectionExists)
+ check_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
+ SOURCE "volatile int x;\n__attribute__((constructor)) void f() {x = 0;}\nint main() { return 0; }\n")
- if(NOT SECTION_FOUND EQUAL -1)
- set(${output} TRUE PARENT_SCOPE)
- else()
- set(${output} FALSE PARENT_SCOPE)
+ append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 CRT_CFLAGS)
+ append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
+ append_list_if(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY -DEH_USE_FRAME_REGISTRY CRT_CFLAGS)
+ append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
+ append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)
+ if (COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
+ append_list_if(COMPILER_RT_ENABLE_CET -fcf-protection=full CRT_CFLAGS)
endif()
- file(REMOVE_RECURSE ${TARGET_NAME})
-endfunction()
-
-check_cxx_section_exists(".init_array" COMPILER_RT_HAS_INITFINI_ARRAY
- SOURCE "volatile int x;\n__attribute__((constructor)) void f() {x = 0;}\nint main() { return 0; }\n")
-
-append_list_if(COMPILER_RT_HAS_STD_C11_FLAG -std=c11 CRT_CFLAGS)
-append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
-append_list_if(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY -DEH_USE_FRAME_REGISTRY CRT_CFLAGS)
-append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
-append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)
-if (COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
- append_list_if(COMPILER_RT_ENABLE_CET -fcf-protection=full CRT_CFLAGS)
+ foreach(arch ${CRT_SUPPORTED_ARCH})
+ add_compiler_rt_runtime(clang_rt.crtbegin
+ OBJECT
+ ARCHS ${arch}
+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
+ CFLAGS ${CRT_CFLAGS}
+ PARENT_TARGET crt)
+ add_compiler_rt_runtime(clang_rt.crtend
+ OBJECT
+ ARCHS ${arch}
+ SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
+ CFLAGS ${CRT_CFLAGS}
+ PARENT_TARGET crt)
+ endforeach()
endif()
-
-foreach(arch ${CRT_SUPPORTED_ARCH})
- add_compiler_rt_runtime(clang_rt.crtbegin
- OBJECT
- ARCHS ${arch}
- SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtbegin.c
- CFLAGS ${CRT_CFLAGS}
- PARENT_TARGET crt)
- add_compiler_rt_runtime(clang_rt.crtend
- OBJECT
- ARCHS ${arch}
- SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/crtend.c
- CFLAGS ${CRT_CFLAGS}
- PARENT_TARGET crt)
-endforeach()
diff --git a/compiler-rt/test/CMakeLists.txt b/compiler-rt/test/CMakeLists.txt
index 5c2b634e11801..c1434349559a1 100644
--- a/compiler-rt/test/CMakeLists.txt
+++ b/compiler-rt/test/CMakeLists.txt
@@ -92,7 +92,7 @@ if(COMPILER_RT_CAN_EXECUTE_TESTS)
if(COMPILER_RT_BUILD_ORC)
compiler_rt_Test_runtime(orc)
endif()
- if(COMPILER_RT_BUILD_CRT AND COMPILER_RT_HAS_CRT)
+ if(COMPILER_RT_BUILD_CRT)
add_subdirectory(crt)
endif()
# ShadowCallStack does not yet provide a runtime with compiler-rt, the tests
diff --git a/compiler-rt/test/crt/CMakeLists.txt b/compiler-rt/test/crt/CMakeLists.txt
index 9c3087bc62f53..5afab8ffa0ebb 100644
--- a/compiler-rt/test/crt/CMakeLists.txt
+++ b/compiler-rt/test/crt/CMakeLists.txt
@@ -1,3 +1,5 @@
+include(crt-config-ix)
+
set(CRT_LIT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(CRT_TESTSUITES)
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