[compiler-rt] 61b410c - [CMake] Use explicit header path when using in-tree libc++ for tests

[Petr Hosek via llvm-commits]

Author: Petr Hosek
Date: 2022-07-09T03:18:46Z
New Revision: 61b410cb8b9af0aa265e730a3070b3154d869803

URL: https://github.com/llvm/llvm-project/commit/61b410cb8b9af0aa265e730a3070b3154d869803
DIFF: https://github.com/llvm/llvm-project/commit/61b410cb8b9af0aa265e730a3070b3154d869803.diff

LOG: [CMake] Use explicit header path when using in-tree libc++ for tests

This is a follow up to D118200 which applies a similar cleanup to
headers when using in-tree libc++ to avoid accidentally picking up
the system headers.

Differential Revision: https://reviews.llvm.org/D128035

Added: 
    

Modified: 
    compiler-rt/CMakeLists.txt
    compiler-rt/lib/memprof/tests/CMakeLists.txt
    compiler-rt/lib/scudo/standalone/tests/CMakeLists.txt
    compiler-rt/lib/tsan/tests/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/compiler-rt/CMakeLists.txt b/compiler-rt/CMakeLists.txt
index 405583a7de02..8f9bd931f725 100644
--- a/compiler-rt/CMakeLists.txt
+++ b/compiler-rt/CMakeLists.txt
@@ -521,6 +521,17 @@ string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}
 list(APPEND COMPILER_RT_COMMON_CFLAGS ${stdlib_flag})
 list(APPEND COMPILER_RT_COMMON_LINK_FLAGS ${stdlib_flag})
 
+# TODO: There's a lot of duplication across lib/*/tests/CMakeLists.txt files,
+# move some of the common flags to COMPILER_RT_UNITTEST_CFLAGS.
+
+# Unittests need access to C++ standard library.
+string(APPEND COMPILER_RT_TEST_COMPILER_CFLAGS " ${stdlib_flag}")
+
+# When cross-compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help in compilation
+# and linking of unittests.
+string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}")
+set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS})
+
 if(COMPILER_RT_USE_LLVM_UNWINDER)
   if (COMPILER_RT_ENABLE_STATIC_UNWINDER)
     set(unwinder_target unwind_static)
@@ -583,7 +594,11 @@ if (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libc++")
     else()
       set(cxx_target cxx_shared)
     endif()
-    list(APPEND SANITIZER_TEST_CXX_LIBRARIES "$<$<BOOL:$<TARGET_NAME_IF_EXISTS:${cxx_target}>>:$<TARGET_LINKER_FILE:${cxx_target}>>")
+    list(APPEND SANITIZER_TEST_CXX_LIBRARIES "$<$<TARGET_EXISTS:${cxx_target}>:$<TARGET_LINKER_FILE:${cxx_target}>>")
+    list(APPEND SANITIZER_TEST_CXX_CFLAGS "$<$<TARGET_EXISTS:cxx-headers>:-isystem$<JOIN:$<TARGET_PROPERTY:cxx-headers,INTERFACE_INCLUDE_DIRECTORIES>,$<SEMICOLON>-isystem>>")
+    # We are using the in tree libc++ so avoid including the default one.
+    append_list_if(COMPILER_RT_HAS_NOSTDINCXX_FLAG -nostdinc++ COMPILER_RT_UNITTEST_CFLAGS)
+    append_list_if(COMPILER_RT_HAS_NOSTDLIBXX_FLAG -nostdlib++ COMPILER_RT_UNITTEST_LINK_FLAGS)
   else()
     append_list_if(COMPILER_RT_HAS_LIBCXX -lc++ SANITIZER_TEST_CXX_LIBRARIES)
   endif()
@@ -591,17 +606,6 @@ elseif (SANITIZER_TEST_CXX_LIBNAME STREQUAL "libstdc++")
   append_list_if(COMPILER_RT_HAS_LIBSTDCXX -lstdc++ SANITIZER_TEST_CXX_LIBRARIES)
 endif()
 
-# TODO: There's a lot of duplication across lib/*/tests/CMakeLists.txt files,
-# move some of the common flags to COMPILER_RT_UNITTEST_CFLAGS.
-
-# Unittests need access to C++ standard library.
-string(APPEND COMPILER_RT_TEST_COMPILER_CFLAGS " ${stdlib_flag}")
-
-# When cross-compiling, COMPILER_RT_TEST_COMPILER_CFLAGS help in compilation
-# and linking of unittests.
-string(REPLACE " " ";" COMPILER_RT_UNITTEST_CFLAGS "${COMPILER_RT_TEST_COMPILER_CFLAGS}")
-set(COMPILER_RT_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_CFLAGS})
-
 # Unittests support.
 set(COMPILER_RT_GTEST_PATH ${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest)
 set(COMPILER_RT_GTEST_SOURCE ${COMPILER_RT_GTEST_PATH}/src/gtest-all.cc)

diff  --git a/compiler-rt/lib/memprof/tests/CMakeLists.txt b/compiler-rt/lib/memprof/tests/CMakeLists.txt
index 9dcad644d098..702bd2ef4343 100644
--- a/compiler-rt/lib/memprof/tests/CMakeLists.txt
+++ b/compiler-rt/lib/memprof/tests/CMakeLists.txt
@@ -4,6 +4,7 @@ include(CompilerRTLink)
 
 set(MEMPROF_UNITTEST_CFLAGS
   ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${SANITIZER_TEST_CXX_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   ${COMPILER_RT_GMOCK_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/lib/

diff  --git a/compiler-rt/lib/scudo/standalone/tests/CMakeLists.txt b/compiler-rt/lib/scudo/standalone/tests/CMakeLists.txt
index b6b60a2c8ada..837da9bb6a6a 100644
--- a/compiler-rt/lib/scudo/standalone/tests/CMakeLists.txt
+++ b/compiler-rt/lib/scudo/standalone/tests/CMakeLists.txt
@@ -6,6 +6,7 @@ set_target_properties(ScudoUnitTests PROPERTIES
 
 set(SCUDO_UNITTEST_CFLAGS
   ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${SANITIZER_TEST_CXX_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/include
   -I${COMPILER_RT_SOURCE_DIR}/lib

diff  --git a/compiler-rt/lib/tsan/tests/CMakeLists.txt b/compiler-rt/lib/tsan/tests/CMakeLists.txt
index 91702c913592..e5fc94fd4751 100644
--- a/compiler-rt/lib/tsan/tests/CMakeLists.txt
+++ b/compiler-rt/lib/tsan/tests/CMakeLists.txt
@@ -6,6 +6,7 @@ set_target_properties(TsanUnitTests PROPERTIES
 
 set(TSAN_UNITTEST_CFLAGS
   ${COMPILER_RT_UNITTEST_CFLAGS}
+  ${SANITIZER_TEST_CXX_CFLAGS}
   ${COMPILER_RT_GTEST_CFLAGS}
   -I${COMPILER_RT_SOURCE_DIR}/include
   -I${COMPILER_RT_SOURCE_DIR}/lib