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-rw-r--r--Tests/CMakeLists.txt18
-rw-r--r--Tests/IncludeDirectoriesCPATH/CMakeLists.txt22
-rw-r--r--Tests/IncludeDirectoriesCPATH/consumer.cpp6
-rw-r--r--Tests/IncludeDirectoriesCPATH/viacpath/systemlib.h15
4 files changed, 61 insertions, 0 deletions
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 6901077..920af04 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -3644,6 +3644,24 @@ ${CMake_SOURCE_DIR}/Utilities/Release/push.bash --dir dev -- '${CMake_BUILD_NIGH
--test-command IncludeDirectories)
list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/IncludeDirectories")
+ if(CMAKE_GENERATOR MATCHES "^((Unix|MSYS) Makefiles|Ninja)$" AND
+ ((CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4)
+ OR (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" AND NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
+ OR (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")))
+ add_test(IncludeDirectoriesCPATH ${CMAKE_CTEST_COMMAND}
+ --build-and-test
+ "${CMake_SOURCE_DIR}/Tests/IncludeDirectoriesCPATH"
+ "${CMake_BINARY_DIR}/Tests/IncludeDirectoriesCPATH"
+ --build-two-config
+ ${build_generator_args}
+ --build-project IncludeDirectoriesCPATH
+ --build-options ${build_options})
+ list(APPEND TEST_BUILD_DIRS "${CMake_BINARY_DIR}/Tests/IncludeDirectoriesCPATH")
+ set_tests_properties(IncludeDirectoriesCPATH
+ PROPERTIES
+ ENVIRONMENT "CPATH=${CMAKE_CURRENT_SOURCE_DIR}/IncludeDirectoriesCPATH/viacpath")
+ endif()
+
add_test(InterfaceLinkLibraries ${CMAKE_CTEST_COMMAND}
--build-and-test
"${CMake_SOURCE_DIR}/Tests/InterfaceLinkLibraries"
diff --git a/Tests/IncludeDirectoriesCPATH/CMakeLists.txt b/Tests/IncludeDirectoriesCPATH/CMakeLists.txt
new file mode 100644
index 0000000..31cbc36
--- /dev/null
+++ b/Tests/IncludeDirectoriesCPATH/CMakeLists.txt
@@ -0,0 +1,22 @@
+cmake_minimum_required (VERSION 3.14)
+project(IncludeDirectoriesCPATH CXX)
+message(STATUS "ENV{CPATH}: '$ENV{CPATH}'")
+message(STATUS "CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES: '${CMAKE_CXX_IMPLICIT_INCLUDE_DIRECTORIES}'")
+
+include(CheckCXXCompilerFlag)
+check_cxx_compiler_flag(-Wunused-variable run_sys_includes_test)
+if(run_sys_includes_test)
+ # The Bullseye wrapper appears to break the -isystem effect.
+ execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version OUTPUT_VARIABLE out ERROR_VARIABLE out)
+ if("x${out}" MATCHES "Bullseye")
+ set(run_sys_includes_test 0)
+ endif()
+endif()
+if (NOT run_sys_includes_test)
+ return()
+endif()
+
+add_library(consumer consumer.cpp)
+add_library(consumer_system consumer.cpp)
+target_compile_options(consumer_system PRIVATE -Werror=unused-variable)
+target_include_directories(consumer_system SYSTEM PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/viacpath")
diff --git a/Tests/IncludeDirectoriesCPATH/consumer.cpp b/Tests/IncludeDirectoriesCPATH/consumer.cpp
new file mode 100644
index 0000000..59608da
--- /dev/null
+++ b/Tests/IncludeDirectoriesCPATH/consumer.cpp
@@ -0,0 +1,6 @@
+#include "systemlib.h"
+
+int consumer()
+{
+ return systemlib();
+}
diff --git a/Tests/IncludeDirectoriesCPATH/viacpath/systemlib.h b/Tests/IncludeDirectoriesCPATH/viacpath/systemlib.h
new file mode 100644
index 0000000..1aaafa9
--- /dev/null
+++ b/Tests/IncludeDirectoriesCPATH/viacpath/systemlib.h
@@ -0,0 +1,15 @@
+#ifndef SYSTEMLIB_H
+#define SYSTEMLIB_H
+
+int systemlib()
+{
+ return 0;
+}
+
+int unusedFunc()
+{
+ int unused;
+ return systemlib();
+}
+
+#endif