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-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt201
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/c_undefined.c7
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/compile_tests.h27
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/main.c30
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/main.cpp17
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/main_multi.c30
-rw-r--r--Tests/Module/WriteCompilerDetectionHeader/multi_files.cpp17
7 files changed, 329 insertions, 0 deletions
diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
new file mode 100644
index 0000000..52d4613
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
@@ -0,0 +1,201 @@
+cmake_minimum_required(VERSION 3.1.0)
+project(WriteCompilerDetectionHeader)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+include(WriteCompilerDetectionHeader)
+include(CheckCXXSourceCompiles)
+
+get_property(cxx_known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
+get_property(c_known_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h"
+ PREFIX TEST
+ COMPILERS GNU Clang AppleClang MSVC SunPro Intel
+ VERSION 3.1
+ PROLOG "// something"
+ EPILOG "// more"
+ FEATURES
+ ${cxx_known_features} ${c_known_features}
+)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/multi_file_compiler_detection.h"
+ PREFIX MULTI
+ OUTPUT_FILES_VAR multi_files
+ OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support"
+ COMPILERS GNU Clang AppleClang MSVC SunPro Intel
+ VERSION 3.1
+ FEATURES
+ ${cxx_known_features} ${c_known_features}
+)
+
+macro(set_defines target true_defs false_defs)
+ set(defines)
+ foreach(def ${true_defs})
+ list(APPEND defines ${def}=1)
+ endforeach()
+ foreach(def ${false_defs})
+ list(APPEND defines ${def}=0)
+ endforeach()
+ target_compile_definitions(${target}
+ PRIVATE
+ ${defines}
+ EXPECTED_COMPILER_VERSION_MAJOR=${COMPILER_VERSION_MAJOR}
+ EXPECTED_COMPILER_VERSION_MINOR=${COMPILER_VERSION_MINOR}
+ EXPECTED_COMPILER_VERSION_PATCH=${COMPILER_VERSION_PATCH}
+ )
+endmacro()
+
+# Only run the compiler detection header test for compilers with
+# detailed features tables, not just meta-features
+
+if (CMAKE_C_COMPILE_FEATURES)
+ set(C_expected_features ${CMAKE_C_COMPILE_FEATURES})
+ list(FILTER C_expected_features EXCLUDE REGEX "^c_std_[0-9][0-9]")
+endif()
+if (C_expected_features)
+ string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_C_COMPILER_VERSION}")
+ string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" COMPILER_VERSION_MINOR "${CMAKE_C_COMPILER_VERSION}")
+ string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" COMPILER_VERSION_PATCH "${CMAKE_C_COMPILER_VERSION}")
+
+ if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
+ OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
+ OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang"
+ OR CMAKE_C_COMPILER_ID STREQUAL "Intel")
+ add_executable(WriteCompilerDetectionHeader_C11 main.c)
+ set_property(TARGET WriteCompilerDetectionHeader_C11 PROPERTY C_STANDARD 11)
+ set_defines(WriteCompilerDetectionHeader_C11 "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "")
+
+ add_executable(WriteCompilerDetectionHeader_C11_multi main_multi.c)
+ set_property(TARGET WriteCompilerDetectionHeader_C11_multi PROPERTY C_STANDARD 11)
+ set_defines(WriteCompilerDetectionHeader_C11_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES;EXPECTED_COMPILER_C_RESTRICT" "")
+ target_include_directories(WriteCompilerDetectionHeader_C11_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
+
+ add_executable(C_undefined c_undefined.c)
+ set_property(TARGET C_undefined PROPERTY C_STANDARD 90)
+ include(CheckCCompilerFlag)
+ check_c_compiler_flag(-Werror=undef use_error_undef)
+ if (use_error_undef)
+ target_compile_options(C_undefined PRIVATE -Werror=undef)
+ endif()
+
+ add_executable(WriteCompilerDetectionHeader_C main.c)
+ set_property(TARGET WriteCompilerDetectionHeader_C PROPERTY C_STANDARD 90)
+ set_defines(WriteCompilerDetectionHeader_C "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT")
+
+ add_executable(WriteCompilerDetectionHeader_C_multi main_multi.c)
+ set_property(TARGET WriteCompilerDetectionHeader_C_multi PROPERTY C_STANDARD 90)
+ set_defines(WriteCompilerDetectionHeader_C_multi "EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES" "EXPECTED_COMPILER_C_RESTRICT")
+ target_include_directories(WriteCompilerDetectionHeader_C_multi PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
+ endif()
+endif()
+
+if (CMAKE_CXX_COMPILE_FEATURES)
+ set(CXX_expected_features ${CMAKE_CXX_COMPILE_FEATURES})
+ list(FILTER CXX_expected_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]")
+endif()
+if (NOT CXX_expected_features)
+ file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
+ "int main(int,char**) { return 0; }\n"
+ )
+ add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
+
+ if(UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+ check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
+ file_include_works
+ )
+ if (file_include_works)
+ message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.")
+ endif()
+ endif()
+ return()
+endif()
+
+string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_CXX_COMPILER_VERSION}")
+string(REGEX REPLACE "^[0-9]+\\.([0-9]+)\\.[0-9]+.*" "\\1" COMPILER_VERSION_MINOR "${CMAKE_CXX_COMPILER_VERSION}")
+string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" COMPILER_VERSION_PATCH "${CMAKE_CXX_COMPILER_VERSION}")
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
+ OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
+ OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
+ OR CMAKE_CXX_COMPILER_ID STREQUAL "SunPro"
+ OR CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
+ # False for C++98 mode.
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+endif()
+
+# for msvc the compiler version determines which c++11 features are available.
+if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+ if(";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
+ list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+ list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+ else()
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+ endif()
+endif()
+
+add_executable(WriteCompilerDetectionHeader main.cpp)
+set_property(TARGET WriteCompilerDetectionHeader PROPERTY CXX_STANDARD 98)
+set_defines(WriteCompilerDetectionHeader "${true_defs}" "${false_defs}")
+
+add_executable(multi_files multi_files.cpp)
+set_property(TARGET multi_files PROPERTY CXX_STANDARD 98)
+target_include_directories(multi_files PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
+set_defines(multi_files "${true_defs}" "${false_defs}")
+
+if(MSVC)
+ return() # MSVC has only one mode.
+endif()
+
+# Since GNU 4.7
+if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
+ list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+ list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+endif()
+
+# Since GNU 4.4
+if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_variadic_templates;")
+ list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+ list(REMOVE_ITEM false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+endif()
+
+add_executable(WriteCompilerDetectionHeader_11 main.cpp)
+set_property(TARGET WriteCompilerDetectionHeader_11 PROPERTY CXX_STANDARD 11)
+set_defines(WriteCompilerDetectionHeader_11 "${true_defs}" "${false_defs}")
+
+add_executable(multi_files_11 multi_files.cpp)
+set_property(TARGET multi_files_11 PROPERTY CXX_STANDARD 11)
+target_include_directories(multi_files_11 PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files)
+set_defines(multi_files_11 "${true_defs}" "${false_defs}")
+
+# test for ALLOW_UNKNOWN_COMPILERS
+
+# use a compiler does not match the current one,
+# so one always hits the fallback code
+if (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
+ set(OTHER_CXX "Intel")
+else()
+ set(OTHER_CXX "SunPro")
+endif()
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h"
+ PREFIX TEST
+ COMPILERS ${OTHER_CXX}
+ FEATURES cxx_nullptr
+ ALLOW_UNKNOWN_COMPILERS
+)
+
+# intentionally abuse the TEST_NULLPR variable: this will only work
+# with the fallback code.
+check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h\"
+int main() {\n int i = TEST_NULLPTR;\n return 0; }\n"
+ file_include_works_allow_unknown
+)
+if (NOT file_include_works_allow_unknown)
+ message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection_allow_unknown.h was expected to work, but did not.")
+endif()
diff --git a/Tests/Module/WriteCompilerDetectionHeader/c_undefined.c b/Tests/Module/WriteCompilerDetectionHeader/c_undefined.c
new file mode 100644
index 0000000..487e66d
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/c_undefined.c
@@ -0,0 +1,7 @@
+
+#include "test_compiler_detection.h"
+
+int main()
+{
+ return 0;
+}
diff --git a/Tests/Module/WriteCompilerDetectionHeader/compile_tests.h b/Tests/Module/WriteCompilerDetectionHeader/compile_tests.h
new file mode 100644
index 0000000..d3c2a2d
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/compile_tests.h
@@ -0,0 +1,27 @@
+
+#define JOIN_IMPL(A, B) A##B
+#define JOIN(A, B) JOIN_IMPL(A, B)
+
+#define CHECK(FEATURE) \
+ (JOIN(PREFIX, JOIN(_COMPILER_, FEATURE)) == \
+ JOIN(EXPECTED_COMPILER_, FEATURE))
+
+#if !CHECK(CXX_DELEGATING_CONSTRUCTORS)
+#error cxx_delegating_constructors expected availability did not match.
+#endif
+
+#if !CHECK(CXX_VARIADIC_TEMPLATES)
+#error cxx_variadic_templates expected availability did not match.
+#endif
+
+#if !CHECK(VERSION_MAJOR)
+#error Compiler major version did not match.
+#endif
+
+#if !CHECK(VERSION_MINOR)
+#error Compiler minor version did not match.
+#endif
+
+#if !CHECK(VERSION_PATCH)
+#error Compiler patch version did not match.
+#endif
diff --git a/Tests/Module/WriteCompilerDetectionHeader/main.c b/Tests/Module/WriteCompilerDetectionHeader/main.c
new file mode 100644
index 0000000..ee6abdb
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/main.c
@@ -0,0 +1,30 @@
+
+#include "test_compiler_detection.h"
+
+#if !defined(TEST_COMPILER_C_FUNCTION_PROTOTYPES) || \
+ !TEST_COMPILER_C_FUNCTION_PROTOTYPES
+#error Expected TEST_COMPILER_C_FUNCTION_PROTOTYPES
+#endif
+
+#if !EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
+#error Expected EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
+#endif
+
+#if !defined(TEST_COMPILER_C_RESTRICT) || !TEST_COMPILER_C_RESTRICT
+#if EXPECTED_COMPILER_C_RESTRICT
+#error Expected TEST_COMPILER_C_RESTRICT
+#endif
+#else
+#if !EXPECTED_COMPILER_C_RESTRICT
+#error Expect no TEST_COMPILER_C_RESTRICT
+#endif
+#endif
+
+#ifdef TEST_COMPILER_CXX_STATIC_ASSERT
+#error Expect no CXX features defined
+#endif
+
+int main()
+{
+ return 0;
+}
diff --git a/Tests/Module/WriteCompilerDetectionHeader/main.cpp b/Tests/Module/WriteCompilerDetectionHeader/main.cpp
new file mode 100644
index 0000000..9979cba
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/main.cpp
@@ -0,0 +1,17 @@
+
+#include "test_compiler_detection.h"
+
+#define PREFIX TEST
+#include "compile_tests.h"
+
+#ifdef TEST_COMPILER_C_STATIC_ASSERT
+#error Expect no C features defined
+#endif
+
+TEST_STATIC_ASSERT(true);
+TEST_STATIC_ASSERT_MSG(true, "msg");
+
+int main()
+{
+ return 0;
+}
diff --git a/Tests/Module/WriteCompilerDetectionHeader/main_multi.c b/Tests/Module/WriteCompilerDetectionHeader/main_multi.c
new file mode 100644
index 0000000..6e13fd7
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/main_multi.c
@@ -0,0 +1,30 @@
+
+#include "multi_file_compiler_detection.h"
+
+#if !defined(MULTI_COMPILER_C_FUNCTION_PROTOTYPES) || \
+ !MULTI_COMPILER_C_FUNCTION_PROTOTYPES
+#error Expected MULTI_COMPILER_C_FUNCTION_PROTOTYPES
+#endif
+
+#if !EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
+#error Expected EXPECTED_COMPILER_C_FUNCTION_PROTOTYPES
+#endif
+
+#if !defined(MULTI_COMPILER_C_RESTRICT) || !MULTI_COMPILER_C_RESTRICT
+#if EXPECTED_COMPILER_C_RESTRICT
+#error Expected MULTI_COMPILER_C_RESTRICT
+#endif
+#else
+#if !EXPECTED_COMPILER_C_RESTRICT
+#error Expect no MULTI_COMPILER_C_RESTRICT
+#endif
+#endif
+
+#ifdef MULTI_COMPILER_CXX_STATIC_ASSERT
+#error Expect no CXX features defined
+#endif
+
+int main()
+{
+ return 0;
+}
diff --git a/Tests/Module/WriteCompilerDetectionHeader/multi_files.cpp b/Tests/Module/WriteCompilerDetectionHeader/multi_files.cpp
new file mode 100644
index 0000000..d1f178f
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/multi_files.cpp
@@ -0,0 +1,17 @@
+
+#include "multi_file_compiler_detection.h"
+
+#define PREFIX MULTI
+#include "compile_tests.h"
+
+#ifdef MULTI_COMPILER_C_STATIC_ASSERT
+#error Expect no C features defined
+#endif
+
+MULTI_STATIC_ASSERT(true);
+MULTI_STATIC_ASSERT_MSG(true, "msg");
+
+int main()
+{
+ return 0;
+}