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- Log -----------------------------------------------------------------
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=35641d6cec09d7fbc37b07fe3ff43f8740eceb84
commit 35641d6cec09d7fbc37b07fe3ff43f8740eceb84
Merge: ab3cf9d d67c4eb
Author: Stephen Kelly <steve...@gmail.com>
AuthorDate: Wed Apr 23 08:18:42 2014 -0400
Commit: CMake Topic Stage <kwro...@kitware.com>
CommitDate: Wed Apr 23 08:18:42 2014 -0400
Merge topic 'WriteCompilerDetectionHeader-module' into next
d67c4eb2 Add the WriteCompilerDetectionHeader module.
http://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=d67c4eb200000e073318d5e34fbb1ee5f40d8d89
commit d67c4eb200000e073318d5e34fbb1ee5f40d8d89
Author: Stephen Kelly <steve...@gmail.com>
AuthorDate: Mon Oct 21 16:59:40 2013 +0200
Commit: Stephen Kelly <steve...@gmail.com>
CommitDate: Wed Apr 23 14:18:01 2014 +0200
Add the WriteCompilerDetectionHeader module.
Provide a function to write a portable header to detect compiler
features.
diff --git a/Help/manual/cmake-modules.7.rst b/Help/manual/cmake-modules.7.rst
index 2bbe622..ecc9cc4 100644
--- a/Help/manual/cmake-modules.7.rst
+++ b/Help/manual/cmake-modules.7.rst
@@ -232,3 +232,4 @@ All Modules
/module/UsewxWidgets
/module/Use_wxWindows
/module/WriteBasicConfigVersionFile
+ /module/WriteCompilerDetectionHeader
diff --git a/Help/module/WriteCompilerDetectionHeader.rst
b/Help/module/WriteCompilerDetectionHeader.rst
new file mode 100644
index 0000000..4c81b48
--- /dev/null
+++ b/Help/module/WriteCompilerDetectionHeader.rst
@@ -0,0 +1 @@
+.. cmake-module:: ../../Modules/WriteCompilerDetectionHeader.cmake
diff --git a/Help/release/dev/module-WriteCompilerDetectionHeader.rst
b/Help/release/dev/module-WriteCompilerDetectionHeader.rst
new file mode 100644
index 0000000..d355d2c
--- /dev/null
+++ b/Help/release/dev/module-WriteCompilerDetectionHeader.rst
@@ -0,0 +1,5 @@
+module-WriteCompilerDetectionHeader
+-----------------------------------
+
+* The WriteCompilerDetectionHeader module was added to allow creation of
+ a portable header file for compiler optional feature detection.
diff --git a/Modules/WriteCompilerDetectionHeader.cmake
b/Modules/WriteCompilerDetectionHeader.cmake
new file mode 100644
index 0000000..89a1808
--- /dev/null
+++ b/Modules/WriteCompilerDetectionHeader.cmake
@@ -0,0 +1,367 @@
+#.rst:
+# WriteCompilerDetectionHeader
+# ----------------------------
+#
+# This module provides the function write_compiler_detection_header().
+#
+# The ``WRITE_COMPILER_DETECTION_HEADER`` function can be used to generate
+# a file suitable for preprocessor inclusion which contains macros to be
+# used in source code::
+#
+# write_compiler_detection_header(
+# FILE <file>
+# PREFIX <prefix>
+# COMPILERS <compiler> [...]
+# FEATURES <feature> [...]
+# [VERSION <version>]
+# [PROLOG <prolog>]
+# [EPILOG <epilog>]
+# )
+#
+# The ``write_compiler_detection_header`` function generates the
+# file ``<file>`` with macros which all have the prefix ``<prefix>``.
+#
+# ``VERSION`` may be used to specify a generation compatibility with older
+# CMake versions. By default, a file is generated with compatibility with
+# the :variable:`CMAKE_MINIMUM_REQUIRED_VERSION`. Newer CMake versions may
+# generate additional code, and the ``VERSION`` may be used to maintain
+# compatibility in the generated file while allowing the minimum CMake
+# version of the project to be changed indepenendently.
+#
+# ``PROLOG`` may be specified as text content to write at the start of the
+# header. ``EPILOG`` may be specified as text content to write at the end
+# of the header
+#
+# At least one ``<compiler>`` and one ``<feature>`` must be listed. Compilers
+# which are known to CMake, but not specified are detected and a preprocessor
+# ``#error`` is generated for them. A preprocessor macro matching
+# ``${PREFIX}_COMPILER_IS_${CompilerId}`` is generated for each compiler
+# known to CMake to contain the value ``0`` or ``1``.
+#
+# Feature Test Macros
+# ===================
+#
+# For each compiler, a preprocessor test of the compiler version is generated
+# denoting whether the each feature is enabled. A preprocessor macro
+# matching ``${PREFIX}_COMPILER_${FEATURE_NAME_UPPER}`` is generated to
+# contain the value ``0`` or ``1`` depending on whether the compiler in
+# use supports the feature:
+#
+# .. code-block:: cmake
+#
+# write_compiler_detection_header(
+# FILE climbingstats_compiler_detection.h
+# PREFIX ClimbingStats
+# COMPILERS GNU Clang MSVC
+# FEATURES cxx_variadic_templates
+# )
+#
+# .. code-block:: c++
+#
+# #if ClimbingStats_COMPILER_CXX_VARIADIC_TEMPLATES
+# template<typename... T>
+# void someInterface(T t...) { /* ... */ }
+# #else
+# // Compatibility versions
+# template<typename T1>
+# void someInterface(T1 t1) { /* ... */ }
+# template<typename T1, typename T2>
+# void someInterface(T1 t1, T2 t2) { /* ... */ }
+# template<typename T1, typename T2, typename T3>
+# void someInterface(T1 t1, T2 t2, T3 t3) { /* ... */ }
+# #endif
+#
+# Symbol Macros
+# =============
+#
+# Some additional symbol-defines are created for particular features for
+# use as symbols which may be conditionally defined empty. The macros for
+# such symbol defines match ``${PREFIX}_DECL_${FEATURE_NAME_UPPER}``:
+#
+# .. code-block:: c++
+#
+# class MyClass ClimbingStats_DECL_CXX_FINAL
+# {
+# ClimbingStats_DECL_CXX_CONSTEXPR int someInterface() { return 42; }
+# };
+#
+# The ``ClimbingStats_DECL_CXX_FINAL`` macro will expand to ``final`` if the
+# compiler (and its flags) support the ``cxx_final`` feature, and the
+# ``ClimbingStats_DECL_CXX_CONSTEXPR`` macro will expand to ``constexpr``
+# if ``cxx_constexpr`` is supported.
+#
+# The following features generate corresponding symbol defines:
+#
+# ========================== ===============
+# Feature Symbol
+# ========================== ===============
+# ``cxx_constexpr`` ``constexpr``
+# ``cxx_deleted_functions`` ``= delete``
+# ``cxx_extern_templates`` ``extern``
+# ``cxx_final`` ``final``
+# ``cxx_noexcept`` ``noexcept``
+# ``cxx_override`` ``override``
+# ========================== ===============
+#
+# Compatibility Implemetation Macros
+# ==================================
+#
+# Some features are suitable for wrapping in a macro with a backward
+# compatibility implementation if the compiler does not support the feature.
+#
+# When the ``cxx_static_assert`` feature is not provided by the compiler,
+# a compatibility implementation is available via the
+# ``${PREFIX}_STATIC_ASSERT`` and ``${PREFIX}_STATIC_ASSERT_MSG``
+# function-like macros. The macros expand to ``static_assert`` where that
+# compiler feature is available, and to a compatibility implementation
+# otherwise.
+#
+# ========================== ================================
+# Feature Define
+# ========================== ================================
+# ``cxx_alignas`` ``@PREFIX@_ALIGNAS``
+# ``cxx_alignof`` ``@PREFIX@_ALIGNOF``
+# ``cxx_deleted_functions`` ``@PREFIX@_DISABLE_COPY``
+# ``cxx_noexcept`` ``@PREFIX@_NOEXCEPT_EXPR(X)``
+# ``cxx_nullptr`` ``@PREFIX@_NULLPTR``
+# ``cxx_static_assert`` ``@PREFIX@_STATIC_ASSERT``
+# ``cxx_static_assert`` ``@PREFIX@_STATIC_ASSERT_MSG``
+# ========================== ================================
+
+
+#=============================================================================
+# Copyright 2014 Stephen Kelly <steve...@gmail.com>
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+include(${CMAKE_CURRENT_LIST_DIR}/CMakeParseArguments.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/CMakeCompilerIdDetection.cmake)
+
+function(_load_compiler_variables CompilerId lang)
+
include("${CMAKE_ROOT}/Modules/Compiler/${CompilerId}-${lang}-FeatureTests.cmake"
OPTIONAL)
+ foreach(feature ${ARGN})
+ set(_cmake_feature_test_${CompilerId}_${feature}
${_cmake_feature_test_${feature}} PARENT_SCOPE)
+ if (_cmake_symbol_alternative_${feature})
+ set(_cmake_symbol_alternative_${CompilerId}_${feature}
${_cmake_symbol_alternative_${feature}} PARENT_SCOPE)
+ set(_cmake_symbol_alternative_test_${CompilerId}_${feature}
${_cmake_symbol_alternative_test_${feature}} PARENT_SCOPE)
+ endif()
+ endforeach()
+endfunction()
+
+function(write_compiler_detection_header
+ file_keyword file_arg
+ prefix_keyword prefix_arg
+ )
+ if (NOT file_keyword STREQUAL FILE)
+ message(FATAL_ERROR "write_compiler_detection_header: FILE parameter
missing.")
+ endif()
+ if (NOT prefix_keyword STREQUAL PREFIX)
+ message(FATAL_ERROR "write_compiler_detection_header: PREFIX parameter
missing.")
+ endif()
+ set(options)
+ set(oneValueArgs VERSION EPILOG PROLOG)
+ set(multiValueArgs COMPILERS FEATURES)
+ cmake_parse_arguments(_WCD "${options}" "${oneValueArgs}"
"${multiValueArgs}" ${ARGN})
+
+ if (NOT _WCD_COMPILERS)
+ message(FATAL_ERROR "Invalid arguments. write_compiler_detection_header
requires at least one compiler.")
+ endif()
+ if (NOT _WCD_FEATURES)
+ message(FATAL_ERROR "Invalid arguments. write_compiler_detection_header
requires at least one feature.")
+ endif()
+
+ if(_WCD_UNPARSED_ARGUMENTS)
+ message(FATAL_ERROR "Unparsed arguments: ${_WCD_UNPARSED_ARGUMENTS}")
+ endif()
+
+ if(NOT _WCD_VERSION)
+ set(_WCD_VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})
+ endif()
+ if (_WCD_VERSION VERSION_LESS 3.1.0) # Version which introduced this function
+ message(FATAL_ERROR "VERSION parameter too low.")
+ endif()
+
+ set(compilers
+ GNU
+ )
+ foreach(_comp ${_WCD_COMPILERS})
+ list(FIND compilers ${_comp} idx)
+ if (idx EQUAL -1)
+ message(FATAL_ERROR "Unsupported compiler ${_comp}.")
+ endif()
+ endforeach()
+
+ file(WRITE ${file_arg} "
+// This is a generated file. Do not edit!
+
+#ifndef ${prefix_arg}_COMPILER_DETECTION_H
+#define ${prefix_arg}_COMPILER_DETECTION_H
+")
+
+ if (_WCD_PROLOG)
+ file(APPEND "${file_arg}" "\n${_WCD_PROLOG}\n")
+ endif()
+
+ foreach(feature ${_WCD_FEATURES})
+ if (feature MATCHES "^cxx_")
+ list(APPEND _langs CXX)
+ endif()
+ if (feature MATCHES "^c_")
+ list(APPEND _langs C)
+ endif()
+ endforeach()
+ list(REMOVE_DUPLICATES _langs)
+
+ foreach(_lang ${_langs})
+
+ if(_lang STREQUAL CXX)
+ file(APPEND "${file_arg}" "\n#ifdef __cplusplus\n")
+ endif()
+
+ compiler_id_detection(ID_CONTENT ${_lang} PREFIX ${prefix_arg}_
+ ID_DEFINE
+ )
+
+ file(APPEND "${file_arg}" "${ID_CONTENT}\n")
+
+ set(pp_if "if")
+ foreach(compiler ${_WCD_COMPILERS})
+ _load_compiler_variables(${compiler} ${_lang} ${_WCD_FEATURES})
+ file(APPEND "${file_arg}" "\n# ${pp_if}
${prefix_arg}_COMPILER_IS_${compiler}\n")
+ set(pp_if "elif")
+ foreach(feature ${_WCD_FEATURES})
+ list(FIND CMAKE_${_lang}_KNOWN_FEATURES ${feature} idx)
+ if (NOT idx EQUAL -1)
+ set(_define_item "\n# define
${prefix_arg}_${CMAKE_PP_NAME_${feature}} 0\n")
+ if (_cmake_feature_test_${compiler}_${feature} STREQUAL "1")
+ set(_define_item "\n# define
${prefix_arg}_${CMAKE_PP_NAME_${feature}} 1\n")
+ elseif (_cmake_feature_test_${compiler}_${feature})
+ set(_define_item "\n# define
${prefix_arg}_${CMAKE_PP_NAME_${feature}} 0\n")
+ set(_define_item "\n# if
${_cmake_feature_test_${compiler}_${feature}}\n# define
${prefix_arg}_${CMAKE_PP_NAME_${feature}} 1\n# else${_define_item}#
endif\n")
+ endif()
+ file(APPEND "${file_arg}" "${_define_item}")
+ endif()
+ endforeach()
+ endforeach()
+ if(pp_if STREQUAL "elif")
+ file(APPEND "${file_arg}" "\n# else\n# error Unsupported compiler\n#
endif\n\n")
+ endif()
+ foreach(feature ${_WCD_FEATURES})
+ set(def_value ${CMAKE_SYMBOL_DEFINE_${feature}})
+ if (def_value)
+ set(def_name ${prefix_arg}_${CMAKE_PP_DECL_${feature}})
+ file(APPEND "${file_arg}" "
+# if ${prefix_arg}_${CMAKE_PP_NAME_${feature}}
+# define ${def_name} ${def_value}
+# else
+# define ${def_name}
+# endif
+\n")
+ endif()
+ endforeach()
+ foreach(feature ${_WCD_FEATURES})
+ if (feature STREQUAL cxx_static_assert)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_cxx_static_assert})
+ set(def_value "${prefix_arg}_STATIC_ASSERT(X)")
+ set(def_value_msg "${prefix_arg}_STATIC_ASSERT_MSG(X, MSG)")
+ set(static_assert_struct "template<bool> struct
${prefix_arg}StaticAssert;\ntemplate<> struct
${prefix_arg}StaticAssert<true>{};\n")
+ set(def_standard "# define ${def_value} static_assert(X, #X)\n#
define ${def_value_msg} static_assert(X, MSG)")
+ set(def_alternative "${static_assert_struct}# define ${def_value}
sizeof(CMakeStaticAssert<X>)\n# define ${def_value_msg}
sizeof(CMakeStaticAssert<X>)")
+ file(APPEND "${file_arg}" "# if ${def_name}\n${def_standard}\n#
else\n${def_alternative}\n# endif\n\n")
+ endif()
+ if (feature STREQUAL cxx_alignas)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_ALIGNAS(X)")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} alignas(X)
+# elif ${prefix_arg}_COMPILER_IS_GNU
+# define ${def_value} __attribute__ ((__aligned__(X)))
+# else
+# define ${def_value}
+# endif
+\n")
+ endif()
+ if (feature STREQUAL cxx_alignof)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_ALIGNOF(X)")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} alignof(X)
+# elif ${prefix_arg}_COMPILER_IS_GNU
+# define ${def_value} __alignof__(X)
+# endif
+\n")
+ endif()
+ if (feature STREQUAL cxx_deleted_functions)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_DELETED_FUNCTION")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} = delete
+# else
+# define ${def_value}
+# endif
+
+# define ${prefix_arg}_DISABLE_COPY(X) \\
+private: \\
+ X(X const&) ${prefix_arg}_DELETED_FUNCTION; \\
+ X& operator=(X const&) ${prefix_arg}_DELETED_FUNCTION;
+\n")
+ endif()
+ if (feature STREQUAL cxx_extern_templates)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_EXTERN_TEMPLATE")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} extern
+# else
+# define ${def_value}
+# endif
+\n")
+ endif()
+ if (feature STREQUAL cxx_noexcept)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_NOEXCEPT")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} noexcept
+# define ${def_value}_EXPR(X) noexcept(X)
+# else
+# define ${def_value}
+# define ${def_value}_EXPR(X)
+# endif
+\n")
+ endif()
+ if (feature STREQUAL cxx_nullptr)
+ set(def_name ${prefix_arg}_${CMAKE_PP_NAME_${feature}})
+ set(def_value "${prefix_arg}_NULLPTR")
+ file(APPEND "${file_arg}" "
+# if ${def_name}
+# define ${def_value} nullptr
+# else
+# define ${def_value} (void*)0
+# endif
+\n")
+ endif()
+ endforeach()
+ if(_lang STREQUAL CXX)
+ file(APPEND "${file_arg}" "#endif\n")
+ endif()
+
+ endforeach()
+
+ if (_WCD_EPILOG)
+ file(APPEND "${file_arg}" "\n${_WCD_EPILOG}\n")
+ endif()
+
+ file(APPEND ${file_arg} "\n#endif\n")
+endfunction()
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 07cfe12..0b8f0b9 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -2504,6 +2504,33 @@ const char* cmMakefile::GetDefinition(const std::string&
name) const
return FOR_EACH_CXX_FEATURE(STRING_LIST_ELEMENT) + 1;
#undef STRING_LIST_ELEMENT
}
+#define PP_FEATURE_NAME(F) \
+ if (name == "CMAKE_PP_NAME_" #F) \
+ { \
+ static std::string val = ("COMPILER_" + cmSystemTools::UpperCase(#F)); \
+ return val.c_str(); \
+ }
+ FOR_EACH_CXX_FEATURE(PP_FEATURE_NAME)
+#undef PP_FEATURE_NAME
+
+#define FOR_EACH_CXX_DECL_FEATURE(F) \
+ F(final) \
+ F(override) \
+ F(constexpr)
+
+#define PP_DECL_NAME(F) \
+ if (name == "CMAKE_PP_DECL_cxx_" #F) \
+ { \
+ static std::string val = ("DECL_CXX_" + cmSystemTools::UpperCase(#F)); \
+ return val.c_str(); \
+ } \
+ if (name == "CMAKE_SYMBOL_DEFINE_cxx_" #F) \
+ { \
+ return #F; \
+ }
+ FOR_EACH_CXX_DECL_FEATURE(PP_DECL_NAME)
+#undef PP_DECL_NAME
+
const char* def = this->Internal->VarStack.top().Get(name);
if(!def)
{
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 9d642cc..f5271b5 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -411,6 +411,9 @@ if(BUILD_TESTING)
ADD_TEST_MACRO(Module.GenerateExportHeader GenerateExportHeader)
ADD_TEST_MACRO(Module.FindDependency FindDependency)
+ if (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
+ ADD_TEST_MACRO(Module.WriteCompilerDetectionHeader
WriteCompilerDetectionHeader)
+ endif()
if (APPLE OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag(-fPIE run_pic_test)
diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
new file mode 100644
index 0000000..eda5098
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
@@ -0,0 +1,61 @@
+cmake_minimum_required(VERSION 3.0.0)
+project(WriteCompilerDetectionHeader)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h"
+ PREFIX TEST
+ COMPILERS GNU
+ VERSION 3.1
+ PROLOG "// something"
+ EPILOG "// more"
+ FEATURES
+ ${CMAKE_CXX_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
+ ${defines}
+ )
+endmacro()
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL GNU)
+ # False for C++98 mode.
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
+ list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
+endif()
+
+add_executable(WriteCompilerDetectionHeader main.cpp)
+set_property(TARGET WriteCompilerDetectionHeader PROPERTY CXX_STANDARD 98)
+set_defines(WriteCompilerDetectionHeader "${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}" "${false_defs}")
diff --git a/Tests/Module/WriteCompilerDetectionHeader/main.cpp
b/Tests/Module/WriteCompilerDetectionHeader/main.cpp
new file mode 100644
index 0000000..628d26b
--- /dev/null
+++ b/Tests/Module/WriteCompilerDetectionHeader/main.cpp
@@ -0,0 +1,19 @@
+
+#include "test_compiler_detection.h"
+
+#define JOIN_IMPL(A, B) A ## B
+#define JOIN(A, B) JOIN_IMPL(A, B)
+#define CHECK(FEATURE) (JOIN(TEST_COMPILER_, FEATURE) ==
JOIN(EXPECTED_COMPILER_, FEATURE))
+
+#if !CHECK(CXX_DELEGATING_CONSTRUCTORS)
+#error cxx_delegating_constructors expected availability did not match.
+#endif
+
+#if !CHECK(CXX_VARIADIC_TEMPLATES)
+#error cxx_variadic_templates expected availability did not match.
+#endif
+
+int main(int argc, char **argv)
+{
+ return 0;
+}
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index e797a73..7f6ebf1 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -54,6 +54,7 @@ add_RunCMake_test(TargetObjects)
add_RunCMake_test(TargetSources)
add_RunCMake_test(find_dependency)
add_RunCMake_test(CompileFeatures)
+add_RunCMake_test(WriteCompilerDetectionHeader)
if(NOT WIN32)
add_RunCMake_test(PositionIndependentCode)
set(SKIP_VISIBILITY 0)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/CMakeLists.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/CMakeLists.txt
new file mode 100644
index 0000000..872338d
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.0)
+project(${RunCMake_TEST} CXX)
+include(${RunCMake_TEST}.cmake NO_POLICY_SCOPE)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-stderr.txt
new file mode 100644
index 0000000..62c4ff1
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
+ Unparsed arguments: GarbageArg
+Call Stack \(most recent call first\):
+ ExtraArgs.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs.cmake
new file mode 100644
index 0000000..c2a21af
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/ExtraArgs.cmake
@@ -0,0 +1,10 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX Pref
+ GarbageArg
+ COMPILERS GNU
+ FEATURES cxx_final
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-stderr.txt
new file mode 100644
index 0000000..eb94426
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:164 \(message\):
+ write_compiler_detection_header: FILE parameter missing.
+Call Stack \(most recent call first\):
+ FileTypo.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo.cmake
new file mode 100644
index 0000000..c90eda2
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/FileTypo.cmake
@@ -0,0 +1,7 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE_TYPO "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX Pref
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-stderr.txt
new file mode 100644
index 0000000..b4d7e08
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs-stderr.txt
@@ -0,0 +1,11 @@
+CMake Error at InvalidArgs.cmake:4 \(write_compiler_detection_header\):
+ write_compiler_detection_header Function invoked with incorrect arguments
+ for function named: write_compiler_detection_header
+Call Stack \(most recent call first\):
+ CMakeLists.txt:3 \(include\)
++
+CMake Error at InvalidArgs.cmake:6 \(write_compiler_detection_header\):
+ write_compiler_detection_header Function invoked with incorrect arguments
+ for function named: write_compiler_detection_header
+Call Stack \(most recent call first\):
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs.cmake
new file mode 100644
index 0000000..cfebae1
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/InvalidArgs.cmake
@@ -0,0 +1,6 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header()
+
+write_compiler_detection_header(FILE)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-stderr.txt
new file mode 100644
index 0000000..9451348
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler-stderr.txt
@@ -0,0 +1,6 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
+ Invalid arguments. write_compiler_detection_header requires at least one
+ compiler.
+Call Stack \(most recent call first\):
+ NoCompiler.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler.cmake
new file mode 100644
index 0000000..2dc14e9
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoCompiler.cmake
@@ -0,0 +1,10 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX PREF_
+ # COMPILERS
+ FEATURES cxx_final
+ VERSION 3.1
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-stderr.txt
new file mode 100644
index 0000000..193f297
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature-stderr.txt
@@ -0,0 +1,6 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
+ Invalid arguments. write_compiler_detection_header requires at least one
+ feature.
+Call Stack \(most recent call first\):
+ NoFeature.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature.cmake
new file mode 100644
index 0000000..1fbc129
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/NoFeature.cmake
@@ -0,0 +1,10 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX PREF_
+ COMPILERS GNU
+ # FEATURES
+ VERSION 3.1
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-stderr.txt
new file mode 100644
index 0000000..842eb3f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
+ VERSION parameter too low.
+Call Stack \(most recent call first\):
+ OldVersion.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion.cmake
new file mode 100644
index 0000000..a6e3022
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion.cmake
@@ -0,0 +1,10 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX Pref
+ VERSION 3.0
+ COMPILERS GNU
+ FEATURES cxx_final
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-result.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-stderr.txt
b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-stderr.txt
new file mode 100644
index 0000000..5fdcdb8
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
+ write_compiler_detection_header: PREFIX parameter missing.
+Call Stack \(most recent call first\):
+ PrefixTypo.cmake:4 \(write_compiler_detection_header\)
+ CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo.cmake
new file mode 100644
index 0000000..8b6774c
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/PrefixTypo.cmake
@@ -0,0 +1,7 @@
+
+include(WriteCompilerDetectionHeader)
+
+write_compiler_detection_header(
+ FILE "${CMAKE_CURRENT_BINARY_DIR}/somefile"
+ PREFIX_TYPO Pref
+)
diff --git a/Tests/RunCMake/WriteCompilerDetectionHeader/RunCMakeTest.cmake
b/Tests/RunCMake/WriteCompilerDetectionHeader/RunCMakeTest.cmake
new file mode 100644
index 0000000..ea1f658
--- /dev/null
+++ b/Tests/RunCMake/WriteCompilerDetectionHeader/RunCMakeTest.cmake
@@ -0,0 +1,9 @@
+include(RunCMake)
+
+run_cmake(InvalidArgs)
+run_cmake(NoCompiler)
+run_cmake(NoFeature)
+run_cmake(FileTypo)
+run_cmake(PrefixTypo)
+run_cmake(ExtraArgs)
+run_cmake(OldVersion)
-----------------------------------------------------------------------
Summary of changes:
hooks/post-receive
--
CMake
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