Commit 5b4f771f authored by Brad King's avatar Brad King Committed by Kitware Robot

Merge topic 'intel-compiler-features'

21b1fa5c Help: Add notes for topic 'intel-compiler-features'
9addce99 Features: Record standard flags for Intel C/C++ on Windows
15a6c950 WCDH: Add Intel to list of supported compilers
36f32ede Features: Record standards and features for Intel C on UNIX
d028b948 Features: Specify minimum version Intel C++ 12.1
be910f00 Features: Record standards and features for Intel C++ on UNIX
7f401ae4 Features: Detect C default dialect on MSVC-like compilers
parents 954c0680 21b1fa5c
......@@ -309,3 +309,4 @@ versions specified for each:
* ``GNU``: GNU compiler versions 4.4 through 5.0.
* ``MSVC``: Microsoft Visual Studio versions 2010 through 2015.
* ``SunPro``: Oracle SolarisStudio version 12.4.
* ``Intel``: Intel compiler versions 12.1 through 16.0 on UNIX platforms.
intel-compiler-features
-----------------------
* The :manual:`Compile Features <cmake-compile-features(7)>` functionality
is now aware of features supported by Intel C++ compilers versions 12.1
through 16.0 on UNIX platforms.
......@@ -34,7 +34,11 @@ char const *info_cray = "INFO" ":" "compiler_wrapper[CrayPrgEnv]";
@CMAKE_C_COMPILER_ID_ERROR_FOR_TEST@
#if !defined(__STDC__)
# define C_DIALECT
# if defined(_MSC_VER) && !defined(__clang__)
# define C_DIALECT "90"
# else
# define C_DIALECT
# endif
#elif __STDC_VERSION__ >= 201000L
# define C_DIALECT "11"
#elif __STDC_VERSION__ >= 199901L
......
# References:
# - https://software.intel.com/en-us/articles/iso-iec-standards-language-conformance-for-intel-c-compiler
# - https://software.intel.com/en-us/articles/c99-support-in-intel-c-compiler
# - https://software.intel.com/en-us/articles/c11-support-in-intel-c-compiler
# FIXME: Intel C feature detection works only when simulating the GNU compiler.
if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
return()
endif()
set(DETECT_C99 "defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
#static assert is only around in version 1500 update 2 and above
set(_cmake_feature_test_c_static_assert "(__INTEL_COMPILER > 1500 || (__INTEL_COMPILER == 1500 && __INTEL_COMPILER_UPDATE > 1) ) && ${DETECT_C99}")
set(_cmake_oldestSupported "__INTEL_COMPILER >= 1110")
set(Intel_C99 "${_cmake_oldestSupported} && ${DETECT_C99}")
set(_cmake_feature_test_c_restrict "${Intel_C99}")
set(_cmake_feature_test_c_variadic_macros "${Intel_C99}")
set(_cmake_feature_test_c_function_prototypes "${_cmake_oldestSupported}")
unset(Intel_C99)
unset(DETECT_C99)
......@@ -8,5 +8,61 @@ set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -DNDEBUG")
set(CMAKE_DEPFILE_FLAGS_C "-MD -MT <OBJECT> -MF <DEPFILE>")
if("x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC")
set(_std -Qstd)
else()
set(_std -std)
endif()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0.0)
set(CMAKE_C11_STANDARD_COMPILE_OPTION "${_std}=c11")
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "${_std}=c11")
endif()
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.1)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "${_std}=c89")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "${_std}=c89")
set(CMAKE_C99_STANDARD_COMPILE_OPTION "${_std}=c99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "${_std}=c99")
endif()
if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.1)
if (NOT CMAKE_C_COMPILER_FORCED)
if (NOT CMAKE_C_STANDARD_COMPUTED_DEFAULT)
message(FATAL_ERROR "CMAKE_C_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_C_COMPILER_ID} (${CMAKE_C_COMPILER}) version ${CMAKE_C_COMPILER_VERSION}")
endif()
set(CMAKE_C_STANDARD_DEFAULT ${CMAKE_C_STANDARD_COMPUTED_DEFAULT})
elseif(NOT DEFINED CMAKE_C_STANDARD_DEFAULT)
# Compiler id was forced so just guess the default standard level.
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0.0)
set(CMAKE_C_STANDARD_DEFAULT 11)
else()
set(CMAKE_C_STANDARD_DEFAULT 90)
endif()
endif()
endif()
unset(_std)
macro(cmake_record_c_compile_features)
macro(_get_intel_c_features std_version list)
record_compiler_features(C "${std_version}" ${list})
endmacro()
set(_result 0)
if (NOT "x${CMAKE_C_SIMULATE_ID}" STREQUAL "xMSVC" AND
NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.1)
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15.0.0)
_get_intel_c_features(${CMAKE_C11_STANDARD_COMPILE_OPTION} CMAKE_C11_COMPILE_FEATURES)
endif()
if (_result EQUAL 0)
_get_intel_c_features(${CMAKE_C99_STANDARD_COMPILE_OPTION} CMAKE_C99_COMPILE_FEATURES)
endif()
if (_result EQUAL 0)
_get_intel_c_features(${CMAKE_C90_STANDARD_COMPILE_OPTION} CMAKE_C90_COMPILE_FEATURES)
endif()
endif()
endmacro()
set(CMAKE_C_CREATE_PREPROCESSED_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
set(CMAKE_C_CREATE_ASSEMBLY_SOURCE "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
# References:
# - https://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
# - https://software.intel.com/en-us/articles/c14-features-supported-by-intel-c-compiler
# FIXME: Intel C++ feature detection works only when simulating the GNU compiler.
# When simulating MSVC, Intel always sets __cplusplus to 199711L.
if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
return()
endif()
# these are not implemented in any version at time of writing
#set(_cmake_feature_test_cxx_variable_templates "${Intel15_CXX14}")
#set(_cmake_feature_test_cxx_relaxed_constexpr "${Intel15_CXX14}")
set(_cmake_oldestSupported "__INTEL_COMPILER >= 1210")
set(DETECT_CXX11 "((__cplusplus >= 201103L) || defined(__INTEL_CXX11_MODE__) || defined(__GXX_EXPERIMENTAL_CXX0X__))")
#ICC version 15 update 1 has a bug where __cplusplus is defined as 1 no matter
#if you are compiling as 98/11/14. So to properly detect C++14 with this version
#we look for the existence of __GXX_EXPERIMENTAL_CXX0X__ but not __INTEL_CXX11_MODE__
set(DETECT_BUGGY_ICC15 "((__INTEL_COMPILER == 1500) && (__INTEL_COMPILER_UPDATE == 1))")
set(DETECT_CXX14 "((__cplusplus >= 201300L) || ((__cplusplus == 201103L) && !defined(__INTEL_CXX11_MODE__)) || ((${DETECT_BUGGY_ICC15}) && defined(__GXX_EXPERIMENTAL_CXX0X__) && !defined(__INTEL_CXX11_MODE__) ) )")
set(Intel16_CXX14 "__INTEL_COMPILER >= 1600 && ${DETECT_CXX14}")
set(_cmake_feature_test_cxx_aggregate_default_initializers "${Intel16_CXX14}")
set(_cmake_feature_test_cxx_contextual_conversions "${Intel16_CXX14}")
set(_cmake_feature_test_cxx_generic_lambdas "${Intel16_CXX14}")
set(_cmake_feature_test_cxx_digit_separators "${Intel16_CXX14}")
# This test is supposed to work in Intel 14 but the compiler has a bug
# in versions 14 and 15::
# https://software.intel.com/en-us/forums/intel-c-compiler/topic/600514
# It also appears to fail with an internal compiler error on Intel 16.
#set(_cmake_feature_test_cxx_generalized_initializers "${Intel16_CXX14}")
set(Intel15_CXX14 "__INTEL_COMPILER >= 1500 && ${DETECT_CXX14}")
set(_cmake_feature_test_cxx_decltype_auto "${Intel15_CXX14}")
set(_cmake_feature_test_cxx_lambda_init_captures "${Intel15_CXX14}")
set(_cmake_feature_test_cxx_attribute_deprecated "${Intel15_CXX14}")
set(_cmake_feature_test_cxx_return_type_deduction "${Intel15_CXX14}")
set(Intel15_CXX11 "__INTEL_COMPILER >= 1500 && ${DETECT_CXX11}")
set(_cmake_feature_test_cxx_alignas "${Intel15_CXX11}")
set(_cmake_feature_test_cxx_alignof "${Intel15_CXX11}")
set(_cmake_feature_test_cxx_inheriting_constructors "${Intel15_CXX11}")
set(_cmake_feature_test_cxx_user_literals "${Intel15_CXX11}")
set(_cmake_feature_test_cxx_thread_local "${Intel15_CXX11}")
set(Intel14_CXX11 "${DETECT_CXX11} && (__INTEL_COMPILER > 1400 || (__INTEL_COMPILER == 1400 && __INTEL_COMPILER_UPDATE >= 2))")
# Documented as 12.0+ but in testing it only works on 14.0.2+
set(_cmake_feature_test_cxx_decltype_incomplete_return_types "${Intel14_CXX11}")
set(Intel14_CXX11 "__INTEL_COMPILER >= 1400 && ${DETECT_CXX11}")
set(_cmake_feature_test_cxx_delegating_constructors "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_constexpr "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_sizeof_member "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_strong_enums "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_reference_qualified_functions "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_raw_string_literals "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_unicode_literals "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_inline_namespaces "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_unrestricted_unions "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_nonstatic_member_init "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_enum_forward_declarations "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_override "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_final "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_noexcept "${Intel14_CXX11}")
set(_cmake_feature_test_cxx_defaulted_move_initializers "${Intel14_CXX11}")
set(Intel13_CXX11 "__INTEL_COMPILER >= 1300 && ${DETECT_CXX11}")
set(_cmake_feature_test_cxx_explicit_conversions "${Intel13_CXX11}")
set(_cmake_feature_test_cxx_range_for "${Intel13_CXX11}")
# Cannot find Intel documentation for N2640: cxx_uniform_initialization
set(_cmake_feature_test_cxx_uniform_initialization "${Intel13_CXX11}")
set(Intel121_CXX11 "${_cmake_oldestSupported} && ${DETECT_CXX11}")
set(_cmake_feature_test_cxx_variadic_templates "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_alias_templates "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_nullptr "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_trailing_return_types "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_attributes "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_default_function_template_args "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_extended_friend_declarations "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_rvalue_references "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_decltype "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_defaulted_functions "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_deleted_functions "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_local_type_template_args "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_lambdas "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_binary_literals "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_static_assert "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_right_angle_brackets "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_auto_type "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_extern_templates "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_variadic_macros "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_long_long_type "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_func_identifier "${Intel121_CXX11}")
set(_cmake_feature_test_cxx_template_template_parameters "${Intel121_CXX11}")
......@@ -8,5 +8,69 @@ set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -DNDEBUG")
set(CMAKE_DEPFILE_FLAGS_CXX "-MD -MT <OBJECT> -MF <DEPFILE>")
if("x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
set(_std -Qstd)
else()
set(_std -std)
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.2)
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "${_std}=c++14")
# todo: there is no gnu++14 value supported; figure out what to do
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "${_std}=c++14")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0.0)
set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "${_std}=c++1y")
# todo: there is no gnu++14 value supported; figure out what to do
set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "${_std}=c++1y")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 13.0)
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "${_std}=c++11")
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "${_std}=gnu++11")
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
set(CMAKE_CXX11_STANDARD_COMPILE_OPTION "${_std}=c++0x")
set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "${_std}=gnu++0x")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
set(CMAKE_CXX98_STANDARD_COMPILE_OPTION "${_std}=c++98")
set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION "${_std}=gnu++98")
endif()
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
if (NOT CMAKE_CXX_COMPILER_FORCED)
if (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
message(FATAL_ERROR "CMAKE_CXX_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_CXX_COMPILER_ID} (${CMAKE_CXX_COMPILER}) version ${CMAKE_CXX_COMPILER_VERSION}")
else()
set(CMAKE_CXX_STANDARD_DEFAULT ${CMAKE_CXX_STANDARD_COMPUTED_DEFAULT})
endif()
elseif (NOT CMAKE_CXX_STANDARD_COMPUTED_DEFAULT)
# Compiler id was forced so just guess the default standard level.
set(CMAKE_CXX_STANDARD_DEFAULT 98)
endif()
endif()
unset(_std)
macro(cmake_record_cxx_compile_features)
macro(_get_intel_features std_version list)
record_compiler_features(CXX "${std_version}" ${list})
endmacro()
set(_result 0)
if(NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC" AND
NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.0)
_get_intel_features(${CMAKE_CXX14_STANDARD_COMPILE_OPTION} CMAKE_CXX14_COMPILE_FEATURES)
endif()
if (_result EQUAL 0)
_get_intel_features(${CMAKE_CXX11_STANDARD_COMPILE_OPTION} CMAKE_CXX11_COMPILE_FEATURES)
endif()
if (_result EQUAL 0)
_get_intel_features(${CMAKE_CXX98_STANDARD_COMPILE_OPTION} CMAKE_CXX98_COMPILE_FEATURES)
endif()
endif()
endmacro()
set(CMAKE_CXX_CREATE_PREPROCESSED_SOURCE "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -E <SOURCE> > <PREPROCESSED_SOURCE>")
set(CMAKE_CXX_CREATE_ASSEMBLY_SOURCE "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -S <SOURCE> -o <ASSEMBLY_SOURCE>")
......@@ -36,7 +36,7 @@
# PREFIX ClimbingStats
# OUTPUT_FILES_VAR support_files
# OUTPUT_DIR compilers
# COMPILERS GNU Clang MSVC
# COMPILERS GNU Clang MSVC Intel
# FEATURES cxx_variadic_templates
# )
# install(FILES
......@@ -100,7 +100,7 @@
# write_compiler_detection_header(
# FILE climbingstats_compiler_detection.h
# PREFIX ClimbingStats
# COMPILERS GNU Clang AppleClang MSVC
# COMPILERS GNU Clang AppleClang MSVC Intel
# FEATURES cxx_variadic_templates
# )
#
......@@ -323,6 +323,7 @@ function(write_compiler_detection_header
AppleClang
MSVC
SunPro
Intel
)
set(_hex_compilers ADSP Borland Embarcadero SunPro)
......
......@@ -119,6 +119,55 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
endif()
endif()
if (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 16.0)
if (CMAKE_CXX_COMIPLER_VERSION VERSION_EQUAL 15.0)
list(REMOVE_ITEM CXX_non_features
# The cxx_contextual_conversions feature happens to work
# (for *this* testcase) with Intel 13/14/15, but they do not
# document support until 16.
cxx_contextual_conversions
)
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 14.0)
list(REMOVE_ITEM CXX_non_features
cxx_alignof
# not supposed to work until 15
cxx_attribute_deprecated
# The cxx_contextual_conversions feature happens to work
# (for *this* testcase) with Intel 13/14/15, but they do not
# document support until 16.
cxx_contextual_conversions
)
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.1)
list(REMOVE_ITEM CXX_non_features
# These features happen to work but aren't documented to
# do so until 14.0
cxx_constexpr
cxx_enum_forward_declarations
cxx_sizeof_member
cxx_strong_enums
cxx_unicode_literals
# not supposed to work until 15
cxx_attribute_deprecated
cxx_nonstatic_member_init
# The cxx_contextual_conversions feature happens to work
# (for *this* testcase) with Intel 13/14/15, but they do not
# document support until 16.
cxx_contextual_conversions
# This is an undocumented feature; it does not work in future versions
cxx_aggregate_default_initializers
)
endif()
endif()
endif()
set(C_ext c)
set(C_standard_flag 11)
set(CXX_ext cpp)
......@@ -177,6 +226,16 @@ if (CMAKE_C_COMPILE_FEATURES)
list(APPEND expected_defs
EXPECT_C_STATIC_ASSERT=1
)
elseif (CMAKE_C_COMPILER_ID STREQUAL "Intel")
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 15)
list(APPEND expected_defs
EXPECT_C_STATIC_ASSERT=1
)
else()
list(APPEND expected_defs
EXPECT_C_STATIC_ASSERT=0
)
endif()
endif()
list(APPEND expected_defs
......@@ -301,6 +360,29 @@ if (CMAKE_CXX_COMPILE_FEATURES)
-DEXPECT_FINAL=1
-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
)
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Intel")
if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15)
add_definitions(
-DEXPECT_OVERRIDE_CONTROL=1
-DEXPECT_INHERITING_CONSTRUCTORS=1
-DEXPECT_FINAL=1
-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
)
elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 14)
add_definitions(
-DEXPECT_OVERRIDE_CONTROL=1
-DEXPECT_INHERITING_CONSTRUCTORS=0
-DEXPECT_FINAL=1
-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
)
else()
add_definitions(
-DEXPECT_OVERRIDE_CONTROL=0
-DEXPECT_INHERITING_CONSTRUCTORS=0
-DEXPECT_FINAL=0
-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
)
endif()
endif()
add_executable(CompileFeaturesGenex genex_test.cpp)
......
......@@ -11,7 +11,7 @@ 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
COMPILERS GNU Clang AppleClang MSVC SunPro Intel
VERSION 3.1
PROLOG "// something"
EPILOG "// more"
......@@ -61,7 +61,8 @@ endmacro()
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 "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)
......@@ -80,7 +81,9 @@ endif()
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 "AppleClang"
OR CMAKE_C_COMPILER_ID STREQUAL "Intel")
add_executable(C_undefined c_undefined.c)
set_property(TARGET C_undefined PROPERTY C_STANDARD 90)
target_compile_options(C_undefined PRIVATE -Werror=undef)
......@@ -104,7 +107,7 @@ write_compiler_detection_header(
PREFIX MULTI
OUTPUT_FILES_VAR multi_files
OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support"
COMPILERS GNU Clang AppleClang MSVC SunPro
COMPILERS GNU Clang AppleClang MSVC SunPro Intel
VERSION 3.1
FEATURES
${cxx_known_features} ${c_known_features}
......@@ -142,7 +145,8 @@ set_defines(multi_files_11 "${true_defs}" "${false_defs}")
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 "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" "")
......
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