Discussion:
Clang-Tidy and Clazy analyzer using '-D__cplusplus=199711L'
(too old to reply)
Tyson Wiser
2018-08-09 12:35:47 UTC
Permalink
First of all, thank you for creating and maintaining this great IDE. It has
been a great tool.

More details follow, but in a nutshell, I'm having trouble using the
'Clang-Tidy and Clazy...' analyzers in Qt Creator 4.7 on CentOS 7. It
appears that it is incorrectly defining __cplusplus, which causes multiple
errors. Is there a way to find out why that is and how to change it? It is
also trying to use the C++17 standard. Is there a way to change that to
C++11?

I run Qt Creator on a CentOS 7 Linux box. My projects are makefile-based
(no CMake, QMake, or QBS), but I have the appropriate paths in my
<project>.includes file so that the code completion, etc. all work as
expected. I recently upgraded from 4.6.1 to 4.7. In 4.6.1 I did not use the
clang-tidy checks as I found them to be too slow. I'm trying them again in
4.7 and they seem to be faster. However, they do not seem to check every
file. In looking at the command line used to launch the tools (from the
Issues window), I notice the following.

1. The '-std=c++17' option is included.
2. Later on, there is a '-D__cplusplus=199711L' included as well.

I believe that the combination of the two points above (especially #2) are
causing the tools to fail early.

So here are my questions. First, how do I find out why __cplusplus is being
defined to an old standard and how do I change it? Second, is it possible
to change it so that the tools use '-std=c++11" instead of '-std=c++17'?

In case it is helpful, the command line the IDE used is included below
(I've replaced some irrelevant sections with <description>). Thanks in
advance for any help you may be able to provide.

-Tyson

:-1: warning: Command line:
/home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/bin/clang-6.0
-fsyntax-only -serialize-diagnostics
/tmp/QtCreator-UPSeGv/clangtools-dTWDOt/report-NavConnectionSerial.cpp-BFnMCN
-Wno-unknown-pragmas -Wno-unknown-warning-option
-Wno-documentation-unknown-command -Xclang -add-plugin -Xclang clang-tidy
-Xclang -plugin-arg-clang-tidy -Xclang
'-checks=-*,bugprone-*,cppcoreguidelines-c-copy-assignment-signature,cppcoreguidelines-interfaces-global-init,cppcoreguidelines-no-malloc,cppcoreguidelines-pro-bounds-constant-array-index,cppcoreguidelines-pro-bounds-pointer-arithmetic,cppcoreguidelines-pro-type-const-cast,cppcoreguidelines-pro-type-cstyle-cast,cppcoreguidelines-pro-type-member-init,cppcoreguidelines-pro-type-static-cast-downcast,cppcoreguidelines-pro-type-union-access,cppcoreguidelines-slicing,cppcoreguidelines-special-member-functions,misc-*,modernize-*,performance-*,readability-avoid-const-params-in-decls,readability-container-size-empty,readability-delete-null-pointer,readability-deleted-default,readability-else-after-return,readability-function-size,readability-identifier-naming,readability-inconsistent-declaration-parameter-name,readability-misleading-indentation,readability-misplaced-array-index,readability-non-const-parameter,readability-redundant-*,readability-simplify-boolean-expr,readability-static-*,readability-uniqueptr-delete-release'
-Xclang -add-plugin -Xclang clang-lazy -Xclang -plugin-arg-clang-lazy
-Xclang enable-all-fixits -Xclang -plugin-arg-clang-lazy -Xclang
no-autowrite-fixits -Xclang -plugin-arg-clang-lazy -Xclang level0 -m64
-target x86_64-redhat-linux -x c++ -std=c++17 -fcxx-exceptions -fexceptions
'-D__DBL_MIN_EXP__=(-1021)' -D__UINT_LEAST16_MAX__=65535
-D__ATOMIC_ACQUIRE=2 -D__FLT_MIN__=1.17549435082228750797e-38F
'-D__UINT_LEAST8_TYPE__=unsigned char' '-D__INTMAX_C(c)=c ##L'
-D__CHAR_BIT__=8 -D__UINT8_MAX__=255 -D__WINT_MAX__=4294967295U
-D__ORDER_LITTLE_ENDIAN__=1234 -D__SIZE_MAX__=18446744073709551615UL
-D__WCHAR_MAX__=2147483647 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
-D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
'-D__DBL_DENORM_MIN__=double(4.94065645841246544177e-324L)'
-D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 -D__GCC_ATOMIC_CHAR_LOCK_FREE=2
-D__FLT_EVAL_METHOD__=0 -D__unix__ -D__GCC_ATOMIC_CHAR32_T_LOCK_FREE=2
-D__x86_64 -D__UINT_FAST64_MAX__=18446744073709551615UL
-D__SIG_ATOMIC_TYPE__=int '-D__DBL_MIN_10_EXP__=(-307)'
-D__FINITE_MATH_ONLY__=0 -D__GNUC_PATCHLEVEL__=5 -D__UINT_FAST8_MAX__=255
-D__DEC64_MAX_EXP__=385 '-D__INT8_C(c)=c'
-D__UINT_LEAST64_MAX__=18446744073709551615UL -D__SHRT_MAX__=32767
-D__LDBL_MAX__=1.18973149535723176502e+4932L -D__UINT_LEAST8_MAX__=255
-D__GCC_ATOMIC_BOOL_LOCK_FREE=2 '-D__UINTMAX_TYPE__=long unsigned int'
-D__linux -D__DEC32_EPSILON__=1E-6DF -D__unix -D__UINT32_MAX__=4294967295U
-D__LDBL_MAX_EXP__=16384 -D__WINT_MIN__=0U -D__linux__ -D__SCHAR_MAX__=127
'-D__WCHAR_MIN__=(-__WCHAR_MAX__ - 1)' '-D__INT64_C(c)=c ##L'
-D__DBL_DIG__=15 -D__GCC_ATOMIC_POINTER_LOCK_FREE=2 -D__SIZEOF_INT__=4
-D__SIZEOF_POINTER__=8 -D__GCC_ATOMIC_CHAR16_T_LOCK_FREE=2
-D__USER_LABEL_PREFIX__= -D__STDC_HOSTED__ -D__LDBL_HAS_INFINITY__
-D__FLT_EPSILON__=1.19209289550781250000e-7F -D__GXX_WEAK__
-D__LDBL_MIN__=3.36210314311209350626e-4932L -D__DEC32_MAX__=9.999999E96DF
-D__INT32_MAX__=2147483647 -D__SIZEOF_LONG__=8 -D__STDC_IEC_559__
-D__STDC_ISO_10646__=201103L '-D__UINT16_C(c)=c' -D__DECIMAL_DIG__=21
-D__gnu_linux__ -D__LDBL_HAS_QUIET_NAN__ -D__GNUC__=4 -D__GXX_RTTI
-D__MMX__ -D__FLT_HAS_DENORM__ -D__SIZEOF_LONG_DOUBLE__=16
-D__BIGGEST_ALIGNMENT__=16
'-D__DBL_MAX__=double(1.79769313486231570815e+308L)'
-D__INT_FAST32_MAX__=9223372036854775807L -D__DBL_HAS_INFINITY__
-D__INT64_MAX__=9223372036854775807L '-D__DEC32_MIN_EXP__=(-94)'
'-D__INT_FAST16_TYPE__=long int' -D__LDBL_HAS_DENORM__
-D__cplusplus=199711L
-D__DEC128_MAX__=9.999999999999999999999999999999999E6144DL
-D__INT_LEAST32_MAX__=2147483647 -D__DEC32_MIN__=1E-95DF -D__DEPRECATED
-D__DBL_MAX_EXP__=1024 -D__DEC128_EPSILON__=1E-33DL -D__SSE2_MATH__
-D__ATOMIC_HLE_RELEASE=131072 -D__PTRDIFF_MAX__=9223372036854775807L
-D__amd64 -D__STDC_NO_THREADS__ -D__ATOMIC_HLE_ACQUIRE=65536 -D__GNUG__=4
-D__LONG_LONG_MAX__=9223372036854775807LL -D__SIZEOF_SIZE_T__=8
-D__SIZEOF_WINT_T__=4 -D__GCC_HAVE_DWARF2_CFI_ASM -D__GXX_ABI_VERSION=1002
'-D__FLT_MIN_EXP__=(-125)' '-D__INT_FAST64_TYPE__=long int'
'-D__DBL_MIN__=double(2.22507385850720138309e-308L)' -D__LP64__
-D__DECIMAL_BID_FORMAT__ -D__DEC128_MIN__=1E-6143DL -D__REGISTER_PREFIX__=
-D__UINT16_MAX__=65535 -D__DBL_HAS_DENORM__ '-D__UINT8_TYPE__=unsigned
char' -D__NO_INLINE__ -D__FLT_MANT_DIG__=24 '-D__VERSION__="4.8.5 20150623
(Red Hat 4.8.5-28)"' '-D__UINT64_C(c)=c ##UL' -D_STDC_PREDEF_H
-D__GCC_ATOMIC_INT_LOCK_FREE=2
-D__FLOAT_WORD_ORDER__=__ORDER_LITTLE_ENDIAN__ -D__STDC_IEC_559_COMPLEX__
'-D__INT32_C(c)=c' -D__DEC64_EPSILON__=1E-15DD -D__ORDER_PDP_ENDIAN__=3412
'-D__DEC128_MIN_EXP__=(-6142)' '-D__INT_FAST32_TYPE__=long int'
'-D__UINT_LEAST16_TYPE__=short unsigned int' -Dunix -D__INT16_MAX__=32767
'-D__SIZE_TYPE__=long unsigned int' -D__UINT64_MAX__=18446744073709551615UL
'-D__INT8_TYPE__=signed char' -D__ELF__ -D__FLT_RADIX__=2
'-D__INT_LEAST16_TYPE__=short int'
-D__LDBL_EPSILON__=1.08420217248550443401e-19L '-D__UINTMAX_C(c)=c ##UL'
-D__GNUC_RH_RELEASE__=28 -D__k8 -D__SIG_ATOMIC_MAX__=2147483647
-D__GCC_ATOMIC_WCHAR_T_LOCK_FREE=2 -D__SIZEOF_PTRDIFF_T__=8 -D__x86_64__
-D__DEC32_SUBNORMAL_MIN__=0.000001E-95DF
-D__INT_FAST16_MAX__=9223372036854775807L
-D__UINT_FAST32_MAX__=18446744073709551615UL '-D__UINT_LEAST64_TYPE__=long
unsigned int' -D__FLT_HAS_QUIET_NAN__ -D__FLT_MAX_10_EXP__=38
-D__LONG_MAX__=9223372036854775807L
-D__DEC128_SUBNORMAL_MIN__=0.000000000000000000000000000000001E-6143DL
-D__FLT_HAS_INFINITY__ '-D__UINT_FAST16_TYPE__=long unsigned int'
-D__DEC64_MAX__=9.999999999999999E384DD '-D__CHAR16_TYPE__=short unsigned
int' -D__PRAGMA_REDEFINE_EXTNAME -D__INT_LEAST16_MAX__=32767
-D__DEC64_MANT_DIG__=16 -D__UINT_LEAST32_MAX__=4294967295U
-D__GCC_ATOMIC_LONG_LOCK_FREE=2 '-D__INT_LEAST64_TYPE__=long int'
'-D__INT16_TYPE__=short int' '-D__INT_LEAST8_TYPE__=signed char'
-D__DEC32_MAX_EXP__=97 -D__INT_FAST8_MAX__=127
-D__INTPTR_MAX__=9223372036854775807L -Dlinux -D__SSE2__ -D__EXCEPTIONS
-D__LDBL_MANT_DIG__=64 -D__DBL_HAS_QUIET_NAN__
'-D__SIG_ATOMIC_MIN__=(-__SIG_ATOMIC_MAX__ - 1)' -D__code_model_small__
-D__k8__ '-D__INTPTR_TYPE__=long int' '-D__UINT16_TYPE__=short unsigned
int' -D__WCHAR_TYPE__=int -D__SIZEOF_FLOAT__=4
-D__UINTPTR_MAX__=18446744073709551615UL '-D__DEC64_MIN_EXP__=(-382)'
-D__INT_FAST64_MAX__=9223372036854775807L
-D__GCC_ATOMIC_TEST_AND_SET_TRUEVAL -D__FLT_DIG__=6
'-D__UINT_FAST64_TYPE__=long unsigned int' -D__INT_MAX__=2147483647
-D__amd64__ '-D__INT64_TYPE__=long int' -D__FLT_MAX_EXP__=128
-D__ORDER_BIG_ENDIAN__=4321 -D__DBL_MANT_DIG__=53
-D__INT_LEAST64_MAX__=9223372036854775807L -D__DEC64_MIN__=1E-383DD
'-D__WINT_TYPE__=unsigned int' '-D__UINT_LEAST32_TYPE__=unsigned int'
-D__SIZEOF_SHORT__=2 -D__SSE__ '-D__LDBL_MIN_EXP__=(-16381)'
-D__INT_LEAST8_MAX__=127 -D__SIZEOF_INT128__=16 -D__LDBL_MAX_10_EXP__=4932
-D__ATOMIC_RELAXED=0
'-D__DBL_EPSILON__=double(2.22044604925031308085e-16L)' -D_LP64
'-D__UINT8_C(c)=c' -D__INT_LEAST32_TYPE__=int -D__SIZEOF_WCHAR_T__=4
'-D__UINT64_TYPE__=long unsigned int' '-D__INT_FAST8_TYPE__=signed char'
-D__DBL_DECIMAL_DIG__=17 -D__FXSR__ -D__DEC_EVAL_METHOD__=2
'-D__UINT32_C(c)=c ##U' -D__INTMAX_MAX__=9223372036854775807L
-D__BYTE_ORDER__=__ORDER_LITTLE_ENDIAN__
-D__FLT_DENORM_MIN__=1.40129846432481707092e-45F -D__INT8_MAX__=127
'-D__UINT_FAST32_TYPE__=long unsigned int' '-D__CHAR32_TYPE__=unsigned int'
-D__FLT_MAX__=3.40282346638528859812e+38F -D__INT32_TYPE__=int
-D__SIZEOF_DOUBLE__=8 '-D__INTMAX_TYPE__=long int'
-D__DEC128_MAX_EXP__=6145 -D__ATOMIC_CONSUME -D__GNUC_MINOR__=8
-D__UINTMAX_MAX__=18446744073709551615UL -D__DEC32_MANT_DIG__=7
-D__DBL_MAX_10_EXP__=308
-D__LDBL_DENORM_MIN__=3.64519953188247460253e-4951L '-D__INT16_C(c)=c'
-D__STDC__ '-D__PTRDIFF_TYPE__=long int' -D__ATOMIC_SEQ_CST=5
'-D__UINT32_TYPE__=unsigned int' '-D__UINTPTR_TYPE__=long unsigned int'
-D__DEC64_SUBNORMAL_MIN__=0.000000000000001E-383DD -D__DEC128_MANT_DIG__=34
'-D__LDBL_MIN_10_EXP__=(-4931)' -D__SSE_MATH__ -D__SIZEOF_LONG_LONG__=8
-D__GCC_ATOMIC_LLONG_LOCK_FREE=2 -D__LDBL_DIG__=18 -D__FLT_DECIMAL_DIG__=9
-D__UINT_FAST16_MAX__=18446744073709551615UL -D__GNUC_GNU_INLINE__
'-D__FLT_MIN_10_EXP__=(-37)' -D__GCC_ATOMIC_SHORT_LOCK_FREE=2
'-D__UINT_FAST8_TYPE__=unsigned char' -D_GNU_SOURCE -D__ATOMIC_ACQ_REL=4
-D__ATOMIC_RELEASE=3 -nostdinc -nostdlibinc -undef -isystem
/home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/lib/clang/6.0.1/include
<list-of-project-include-paths> -I /usr/include/c++/4.8.2 -I
/usr/include/c++/4.8.2/x86_64-redhat-linux -I
/usr/include/c++/4.8.2/backward -I
/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include -I /usr/local/include -I
/usr/include -include <project>.config <source-file>.cpp
Ivan Donchevskii
2018-08-09 12:41:57 UTC
Permalink
Hi!


We use defines we get from the compiler which is set in your current Kit. It might be possible that we have some bug in the process of getting them.

Please create a bugreport (bugreports.qt.io) with a small code example so we can reproduce the issue and fix it.


Kind regards,

Ivan

________________________________
From: Qt-creator <qt-creator-bounces+ivan.donchevskii=***@qt-project.org> on behalf of Tyson Wiser <***@gmail.com>
Sent: Thursday, August 9, 2018 2:35:47 PM
To: qt-***@qt-project.org
Subject: [Qt-creator] Clang-Tidy and Clazy analyzer using '-D__cplusplus=199711L'

First of all, thank you for creating and maintaining this great IDE. It has been a great tool.

More details follow, but in a nutshell, I'm having trouble using the 'Clang-Tidy and Clazy...' analyzers in Qt Creator 4.7 on CentOS 7. It appears that it is incorrectly defining __cplusplus, which causes multiple errors. Is there a way to find out why that is and how to change it? It is also trying to use the C++17 standard. Is there a way to change that to C++11?

I run Qt Creator on a CentOS 7 Linux box. My projects are makefile-based (no CMake, QMake, or QBS), but I have the appropriate paths in my <project>.includes file so that the code completion, etc. all work as expected. I recently upgraded from 4.6.1 to 4.7. In 4.6.1 I did not use the clang-tidy checks as I found them to be too slow. I'm trying them again in 4.7 and they seem to be faster. However, they do not seem to check every file. In looking at the command line used to launch the tools (from the Issues window), I notice the following.

1. The '-std=c++17' option is included.
2. Later on, there is a '-D__cplusplus=199711L' included as well.

I believe that the combination of the two points above (especially #2) are causing the tools to fail early.

So here are my questions. First, how do I find out why __cplusplus is being defined to an old standard and how do I change it? Second, is it possible to change it so that the tools use '-std=c++11" instead of '-std=c++17'?

In case it is helpful, the command line the IDE used is included below (I've replaced some irrelevant sections with <description>). Thanks in advance for any help you may be able to provide.

-Tyson

:-1: warning: Command line: /home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/bin/clang-6.0 -fsyntax-only -serialize-diagnostics /tmp/QtCreator-UPSeGv/clangtools-dTWDOt/report-NavConnectionSerial.cpp-BFnMCN -Wno-unknown-pragmas -Wno-unknown-warning-option -Wno-documentation-unknown-command -Xclang -add-plugin -Xclang clang-tidy -Xclang -plugin-arg-clang-tidy -Xclang '-checks=-*,bugprone-*,cppcoreguidelines-c-copy-assignment-signature,cppcoreguidelines-interfaces-global-init,cppcoreguidelines-no-malloc,cppcoreguidelines-pro-bounds-constant-array-index,cppcoreguidelines-pro-bounds-pointer-arithmetic,cppcoreguidelines-pro-type-const-cast,cppcoreguidelines-pro-type-cstyle-cast,cppcoreguidelines-pro-type-member-init,cppcoreguidelines-pro-type-static-cast-downcast,cppcoreguidelines-pro-type-union-access,cppcoreguidelines-slicing,cppcoreguidelines-special-member-functions,misc-*,modernize-*,performance-*,readability-avoid-const-params-in-decls,readability-container-size-empty,readability-delete-null-pointer,readability-deleted-default,readability-else-after-return,readability-function-size,readability-identifier-naming,readability-inconsistent-declaration-parameter-name,readability-misleading-indentation,readability-misplaced-array-index,readability-non-const-parameter,readability-redundant-*,readability-simplify-boolean-expr,readability-static-*,readability-uniqueptr-delete-release' -Xclang -add-plugin -Xclang clang-lazy -Xclang -plugin-arg-clang-lazy -Xclang enable-all-fixits -Xclang -plugin-arg-clang-lazy -Xclang no-autowrite-fixits -Xclang -plugin-arg-clang-lazy -Xclang level0 -m64 -target x86_64-redhat-linux -x c++ -std=c++17 -fcxx-exceptions -fexceptions '-D__DBL_MIN_EXP__=(-1021)' -D__UINT_LEAST16_MAX__=65535 -D__ATOMIC_ACQUIRE=2 -D__FLT_MIN__=1.17549435082228750797e-38F '-D__UINT_LEAST8_TYPE__=unsigned char' '-D__INTMAX_C(c)=c ##L' -D__CHAR_BIT__=8 -D__UINT8_MAX__=255 -D__WINT_MAX__=4294967295U -D__ORDER_LITTLE_ENDIAN__=1234 -D__SIZE_MAX__=18446744073709551615UL -D__WCHAR_MAX__=2147483647 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 '-D__DBL_DENORM_MIN__=double(4.94065645841246544177e-324L)' -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 -D__GCC_ATOMIC_CHAR_LOCK_FREE=2 -D__FLT_EVAL_METHOD__=0 -D__unix__ -D__GCC_ATOMIC_CHAR32_T_LOCK_FREE=2 -D__x86_64 -D__UINT_FAST64_MAX__=18446744073709551615UL -D__SIG_ATOMIC_TYPE__=int '-D__DBL_MIN_10_EXP__=(-307)' -D__FINITE_MATH_ONLY__=0 -D__GNUC_PATCHLEVEL__=5 -D__UINT_FAST8_MAX__=255 -D__DEC64_MAX_EXP__=385 '-D__INT8_C(c)=c' -D__UINT_LEAST64_MAX__=18446744073709551615UL -D__SHRT_MAX__=32767 -D__LDBL_MAX__=1.18973149535723176502e+4932L -D__UINT_LEAST8_MAX__=255 -D__GCC_ATOMIC_BOOL_LOCK_FREE=2 '-D__UINTMAX_TYPE__=long unsigned int' -D__linux -D__DEC32_EPSILON__=1E-6DF -D__unix -D__UINT32_MAX__=4294967295U -D__LDBL_MAX_EXP__=16384 -D__WINT_MIN__=0U -D__linux__ -D__SCHAR_MAX__=127 '-D__WCHAR_MIN__=(-__WCHAR_MAX__ - 1)' '-D__INT64_C(c)=c ##L' -D__DBL_DIG__=15 -D__GCC_ATOMIC_POINTER_LOCK_FREE=2 -D__SIZEOF_INT__=4 -D__SIZEOF_POINTER__=8 -D__GCC_ATOMIC_CHAR16_T_LOCK_FREE=2 -D__USER_LABEL_PREFIX__= -D__STDC_HOSTED__ -D__LDBL_HAS_INFINITY__ -D__FLT_EPSILON__=1.19209289550781250000e-7F -D__GXX_WEAK__ -D__LDBL_MIN__=3.36210314311209350626e-4932L -D__DEC32_MAX__=9.999999E96DF -D__INT32_MAX__=2147483647 -D__SIZEOF_LONG__=8 -D__STDC_IEC_559__ -D__STDC_ISO_10646__=201103L '-D__UINT16_C(c)=c' -D__DECIMAL_DIG__=21 -D__gnu_linux__ -D__LDBL_HAS_QUIET_NAN__ -D__GNUC__=4 -D__GXX_RTTI -D__MMX__ -D__FLT_HAS_DENORM__ -D__SIZEOF_LONG_DOUBLE__=16 -D__BIGGEST_ALIGNMENT__=16 '-D__DBL_MAX__=double(1.79769313486231570815e+308L)' -D__INT_FAST32_MAX__=9223372036854775807L -D__DBL_HAS_INFINITY__ -D__INT64_MAX__=9223372036854775807L '-D__DEC32_MIN_EXP__=(-94)' '-D__INT_FAST16_TYPE__=long int' -D__LDBL_HAS_DENORM__ -D__cplusplus=199711L -D__DEC128_MAX__=9.999999999999999999999999999999999E6144DL -D__INT_LEAST32_MAX__=2147483647 -D__DEC32_MIN__=1E-95DF -D__DEPRECATED -D__DBL_MAX_EXP__=1024 -D__DEC128_EPSILON__=1E-33DL -D__SSE2_MATH__ -D__ATOMIC_HLE_RELEASE=131072 -D__PTRDIFF_MAX__=9223372036854775807L -D__amd64 -D__STDC_NO_THREADS__ -D__ATOMIC_HLE_ACQUIRE=65536 -D__GNUG__=4 -D__LONG_LONG_MAX__=9223372036854775807LL -D__SIZEOF_SIZE_T__=8 -D__SIZEOF_WINT_T__=4 -D__GCC_HAVE_DWARF2_CFI_ASM -D__GXX_ABI_VERSION=1002 '-D__FLT_MIN_EXP__=(-125)' '-D__INT_FAST64_TYPE__=long int' '-D__DBL_MIN__=double(2.22507385850720138309e-308L)' -D__LP64__ -D__DECIMAL_BID_FORMAT__ -D__DEC128_MIN__=1E-6143DL -D__REGISTER_PREFIX__= -D__UINT16_MAX__=65535 -D__DBL_HAS_DENORM__ '-D__UINT8_TYPE__=unsigned char' -D__NO_INLINE__ -D__FLT_MANT_DIG__=24 '-D__VERSION__="4.8.5 20150623 (Red Hat 4.8.5-28)"' '-D__UINT64_C(c)=c ##UL' -D_STDC_PREDEF_H -D__GCC_ATOMIC_INT_LOCK_FREE=2 -D__FLOAT_WORD_ORDER__=__ORDER_LITTLE_ENDIAN__ -D__STDC_IEC_559_COMPLEX__ '-D__INT32_C(c)=c' -D__DEC64_EPSILON__=1E-15DD -D__ORDER_PDP_ENDIAN__=3412 '-D__DEC128_MIN_EXP__=(-6142)' '-D__INT_FAST32_TYPE__=long int' '-D__UINT_LEAST16_TYPE__=short unsigned int' -Dunix -D__INT16_MAX__=32767 '-D__SIZE_TYPE__=long unsigned int' -D__UINT64_MAX__=18446744073709551615UL '-D__INT8_TYPE__=signed char' -D__ELF__ -D__FLT_RADIX__=2 '-D__INT_LEAST16_TYPE__=short int' -D__LDBL_EPSILON__=1.08420217248550443401e-19L '-D__UINTMAX_C(c)=c ##UL' -D__GNUC_RH_RELEASE__=28 -D__k8 -D__SIG_ATOMIC_MAX__=2147483647 -D__GCC_ATOMIC_WCHAR_T_LOCK_FREE=2 -D__SIZEOF_PTRDIFF_T__=8 -D__x86_64__ -D__DEC32_SUBNORMAL_MIN__=0.000001E-95DF -D__INT_FAST16_MAX__=9223372036854775807L -D__UINT_FAST32_MAX__=18446744073709551615UL '-D__UINT_LEAST64_TYPE__=long unsigned int' -D__FLT_HAS_QUIET_NAN__ -D__FLT_MAX_10_EXP__=38 -D__LONG_MAX__=9223372036854775807L -D__DEC128_SUBNORMAL_MIN__=0.000000000000000000000000000000001E-6143DL -D__FLT_HAS_INFINITY__ '-D__UINT_FAST16_TYPE__=long unsigned int' -D__DEC64_MAX__=9.999999999999999E384DD '-D__CHAR16_TYPE__=short unsigned int' -D__PRAGMA_REDEFINE_EXTNAME -D__INT_LEAST16_MAX__=32767 -D__DEC64_MANT_DIG__=16 -D__UINT_LEAST32_MAX__=4294967295U -D__GCC_ATOMIC_LONG_LOCK_FREE=2 '-D__INT_LEAST64_TYPE__=long int' '-D__INT16_TYPE__=short int' '-D__INT_LEAST8_TYPE__=signed char' -D__DEC32_MAX_EXP__=97 -D__INT_FAST8_MAX__=127 -D__INTPTR_MAX__=9223372036854775807L -Dlinux -D__SSE2__ -D__EXCEPTIONS -D__LDBL_MANT_DIG__=64 -D__DBL_HAS_QUIET_NAN__ '-D__SIG_ATOMIC_MIN__=(-__SIG_ATOMIC_MAX__ - 1)' -D__code_model_small__ -D__k8__ '-D__INTPTR_TYPE__=long int' '-D__UINT16_TYPE__=short unsigned int' -D__WCHAR_TYPE__=int -D__SIZEOF_FLOAT__=4 -D__UINTPTR_MAX__=18446744073709551615UL '-D__DEC64_MIN_EXP__=(-382)' -D__INT_FAST64_MAX__=9223372036854775807L -D__GCC_ATOMIC_TEST_AND_SET_TRUEVAL -D__FLT_DIG__=6 '-D__UINT_FAST64_TYPE__=long unsigned int' -D__INT_MAX__=2147483647 -D__amd64__ '-D__INT64_TYPE__=long int' -D__FLT_MAX_EXP__=128 -D__ORDER_BIG_ENDIAN__=4321 -D__DBL_MANT_DIG__=53 -D__INT_LEAST64_MAX__=9223372036854775807L -D__DEC64_MIN__=1E-383DD '-D__WINT_TYPE__=unsigned int' '-D__UINT_LEAST32_TYPE__=unsigned int' -D__SIZEOF_SHORT__=2 -D__SSE__ '-D__LDBL_MIN_EXP__=(-16381)' -D__INT_LEAST8_MAX__=127 -D__SIZEOF_INT128__=16 -D__LDBL_MAX_10_EXP__=4932 -D__ATOMIC_RELAXED=0 '-D__DBL_EPSILON__=double(2.22044604925031308085e-16L)' -D_LP64 '-D__UINT8_C(c)=c' -D__INT_LEAST32_TYPE__=int -D__SIZEOF_WCHAR_T__=4 '-D__UINT64_TYPE__=long unsigned int' '-D__INT_FAST8_TYPE__=signed char' -D__DBL_DECIMAL_DIG__=17 -D__FXSR__ -D__DEC_EVAL_METHOD__=2 '-D__UINT32_C(c)=c ##U' -D__INTMAX_MAX__=9223372036854775807L -D__BYTE_ORDER__=__ORDER_LITTLE_ENDIAN__ -D__FLT_DENORM_MIN__=1.40129846432481707092e-45F -D__INT8_MAX__=127 '-D__UINT_FAST32_TYPE__=long unsigned int' '-D__CHAR32_TYPE__=unsigned int' -D__FLT_MAX__=3.40282346638528859812e+38F -D__INT32_TYPE__=int -D__SIZEOF_DOUBLE__=8 '-D__INTMAX_TYPE__=long int' -D__DEC128_MAX_EXP__=6145 -D__ATOMIC_CONSUME -D__GNUC_MINOR__=8 -D__UINTMAX_MAX__=18446744073709551615UL -D__DEC32_MANT_DIG__=7 -D__DBL_MAX_10_EXP__=308 -D__LDBL_DENORM_MIN__=3.64519953188247460253e-4951L '-D__INT16_C(c)=c' -D__STDC__ '-D__PTRDIFF_TYPE__=long int' -D__ATOMIC_SEQ_CST=5 '-D__UINT32_TYPE__=unsigned int' '-D__UINTPTR_TYPE__=long unsigned int' -D__DEC64_SUBNORMAL_MIN__=0.000000000000001E-383DD -D__DEC128_MANT_DIG__=34 '-D__LDBL_MIN_10_EXP__=(-4931)' -D__SSE_MATH__ -D__SIZEOF_LONG_LONG__=8 -D__GCC_ATOMIC_LLONG_LOCK_FREE=2 -D__LDBL_DIG__=18 -D__FLT_DECIMAL_DIG__=9 -D__UINT_FAST16_MAX__=18446744073709551615UL -D__GNUC_GNU_INLINE__ '-D__FLT_MIN_10_EXP__=(-37)' -D__GCC_ATOMIC_SHORT_LOCK_FREE=2 '-D__UINT_FAST8_TYPE__=unsigned char' -D_GNU_SOURCE -D__ATOMIC_ACQ_REL=4 -D__ATOMIC_RELEASE=3 -nostdinc -nostdlibinc -undef -isystem /home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/lib/clang/6.0.1/include <list-of-project-include-paths> -I /usr/include/c++/4.8.2 -I /usr/include/c++/4.8.2/x86_64-redhat-linux -I /usr/include/c++/4.8.2/backward -I /usr/lib/gcc/x86_64-redhat-linux/4.8.2/include -I /usr/local/include -I /usr/include -include <project>.config <source-file>.cpp
Tyson Wiser
2018-08-09 16:33:15 UTC
Permalink
Thank you for the quick response. I do not have a Qt account so I cannot
file the bug. I think I have included everything that you would need to
reproduce the problem below. Note that the default for my version of GCC is
C++98.

Qt Creator: 4.7.0 built on Jul 17 2018 04:23:40 from revision dedbb40f57.
OS: CentOS Linux release 7.5.1804 (Core)
GCC: 4.8.5 20150623 (Red Hat 4.8.5-28)

Steps to reproduce:
1. Open the project
2. Click 'Analyze' -> 'Clang-Tidy and Clazy...'
3. Select 'Clang-Tidy and Clazy preselected checks [built-in]' for the
'Diagnostic Configuration'
4. Click 'Analyze' button

Expected result:
The analysis succeeds, possibly with some warnings/suggestions for code
improvement.

Actual result:
Failed to analyze "<path-to>/test_proj.cpp": Clang-Tidy and Clazy finished
with exit code: 1.

Source and project file contents follow.

---------- test_proj.cpp ----------
#include <functional> #include <iostream> typedef std::function<void()>
Callback; class Test { public: void setCallback(Callback callback) {
mCallback = callback; } void doCallback() { mCallback(); } private:
Callback mCallback; }; int main(int argc, char **argv) { Test t;
t.setCallback([]() { std::cout << "Callback" << std::endl; });
t.doCallback(); }
---------- End test_proj.cpp ----------


---------- makefile ----------
all : test_proj test_proj : test_proj.cpp g++ -std=c++11 -o $@ $^ clean :
rm test_proj
---------- End makefile ----------


---------- TestProj.config ----------
// Need the following uncommented for editor warning/error highlighting to
work with C++11
//#define __cplusplus 201103L
---------- End TestProj.config ----------


---------- TestProj.creator ----------
[General]
---------- End TestProj.creator ----------


---------- TestProj.files ----------
makefile
test_proj.cpp
---------- End TestProj.files ----------


---------- TestProj.includes ----------
.
---------- End TestProj.includes ----------
Post by Ivan Donchevskii
Hi!
We use defines we get from the compiler which is set in your current Kit.
It might be possible that we have some bug in the process of getting them.
Please create a bugreport (bugreports.qt.io) with a small code example so
we can reproduce the issue and fix it.
Kind regards,
Ivan
------------------------------
*From:* Qt-creator <qt-creator-bounces+ivan.donchevskii=
*Sent:* Thursday, August 9, 2018 2:35:47 PM
*Subject:* [Qt-creator] Clang-Tidy and Clazy analyzer using
'-D__cplusplus=199711L'
First of all, thank you for creating and maintaining this great IDE. It
has been a great tool.
More details follow, but in a nutshell, I'm having trouble using the
'Clang-Tidy and Clazy...' analyzers in Qt Creator 4.7 on CentOS 7. It
appears that it is incorrectly defining __cplusplus, which causes multiple
errors. Is there a way to find out why that is and how to change it? It is
also trying to use the C++17 standard. Is there a way to change that to
C++11?
I run Qt Creator on a CentOS 7 Linux box. My projects are makefile-based
(no CMake, QMake, or QBS), but I have the appropriate paths in my
<project>.includes file so that the code completion, etc. all work as
expected. I recently upgraded from 4.6.1 to 4.7. In 4.6.1 I did not use the
clang-tidy checks as I found them to be too slow. I'm trying them again in
4.7 and they seem to be faster. However, they do not seem to check every
file. In looking at the command line used to launch the tools (from the
Issues window), I notice the following.
1. The '-std=c++17' option is included.
2. Later on, there is a '-D__cplusplus=199711L' included as well.
I believe that the combination of the two points above (especially #2) are
causing the tools to fail early.
So here are my questions. First, how do I find out why __cplusplus is
being defined to an old standard and how do I change it? Second, is it
possible to change it so that the tools use '-std=c++11" instead of
'-std=c++17'?
In case it is helpful, the command line the IDE used is included below
(I've replaced some irrelevant sections with <description>). Thanks in
advance for any help you may be able to provide.
-Tyson
/home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/bin/clang-6.0
-fsyntax-only -serialize-diagnostics
/tmp/QtCreator-UPSeGv/clangtools-dTWDOt/report-NavConnectionSerial.cpp-BFnMCN
-Wno-unknown-pragmas -Wno-unknown-warning-option
-Wno-documentation-unknown-command -Xclang -add-plugin -Xclang clang-tidy
-Xclang -plugin-arg-clang-tidy -Xclang
'-checks=-*,bugprone-*,cppcoreguidelines-c-copy-assignment-signature,cppcoreguidelines-interfaces-global-init,cppcoreguidelines-no-malloc,cppcoreguidelines-pro-bounds-constant-array-index,cppcoreguidelines-pro-bounds-pointer-arithmetic,cppcoreguidelines-pro-type-const-cast,cppcoreguidelines-pro-type-cstyle-cast,cppcoreguidelines-pro-type-member-init,cppcoreguidelines-pro-type-static-cast-downcast,cppcoreguidelines-pro-type-union-access,cppcoreguidelines-slicing,cppcoreguidelines-special-member-functions,misc-*,modernize-*,performance-*,readability-avoid-const-params-in-decls,readability-container-size-empty,readability-delete-null-pointer,readability-deleted-default,readability-else-after-return,readability-function-size,readability-identifier-naming,readability-inconsistent-declaration-parameter-name,readability-misleading-indentation,readability-misplaced-array-index,readability-non-const-parameter,readability-redundant-*,readability-simplify-boolean-expr,readability-static-*,readability-uniqueptr-delete-release'
-Xclang -add-plugin -Xclang clang-lazy -Xclang -plugin-arg-clang-lazy
-Xclang enable-all-fixits -Xclang -plugin-arg-clang-lazy -Xclang
no-autowrite-fixits -Xclang -plugin-arg-clang-lazy -Xclang level0 -m64
-target x86_64-redhat-linux -x c++ -std=c++17 -fcxx-exceptions -fexceptions
'-D__DBL_MIN_EXP__=(-1021)' -D__UINT_LEAST16_MAX__=65535
-D__ATOMIC_ACQUIRE=2 -D__FLT_MIN__=1.17549435082228750797e-38F
'-D__UINT_LEAST8_TYPE__=unsigned char' '-D__INTMAX_C(c)=c ##L'
-D__CHAR_BIT__=8 -D__UINT8_MAX__=255 -D__WINT_MAX__=4294967295U
-D__ORDER_LITTLE_ENDIAN__=1234 -D__SIZE_MAX__=18446744073709551615UL
-D__WCHAR_MAX__=2147483647 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1
-D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2 -D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4
'-D__DBL_DENORM_MIN__=double(4.94065645841246544177e-324L)'
-D__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8 -D__GCC_ATOMIC_CHAR_LOCK_FREE=2
-D__FLT_EVAL_METHOD__=0 -D__unix__ -D__GCC_ATOMIC_CHAR32_T_LOCK_FREE=2
-D__x86_64 -D__UINT_FAST64_MAX__=18446744073709551615UL
-D__SIG_ATOMIC_TYPE__=int '-D__DBL_MIN_10_EXP__=(-307)'
-D__FINITE_MATH_ONLY__=0 -D__GNUC_PATCHLEVEL__=5 -D__UINT_FAST8_MAX__=255
-D__DEC64_MAX_EXP__=385 '-D__INT8_C(c)=c'
-D__UINT_LEAST64_MAX__=18446744073709551615UL -D__SHRT_MAX__=32767
-D__LDBL_MAX__=1.18973149535723176502e+4932L -D__UINT_LEAST8_MAX__=255
-D__GCC_ATOMIC_BOOL_LOCK_FREE=2 '-D__UINTMAX_TYPE__=long unsigned int'
-D__linux -D__DEC32_EPSILON__=1E-6DF -D__unix -D__UINT32_MAX__=4294967295U
-D__LDBL_MAX_EXP__=16384 -D__WINT_MIN__=0U -D__linux__ -D__SCHAR_MAX__=127
'-D__WCHAR_MIN__=(-__WCHAR_MAX__ - 1)' '-D__INT64_C(c)=c ##L'
-D__DBL_DIG__=15 -D__GCC_ATOMIC_POINTER_LOCK_FREE=2 -D__SIZEOF_INT__=4
-D__SIZEOF_POINTER__=8 -D__GCC_ATOMIC_CHAR16_T_LOCK_FREE=2
-D__USER_LABEL_PREFIX__= -D__STDC_HOSTED__ -D__LDBL_HAS_INFINITY__
-D__FLT_EPSILON__=1.19209289550781250000e-7F -D__GXX_WEAK__
-D__LDBL_MIN__=3.36210314311209350626e-4932L -D__DEC32_MAX__=9.999999E96DF
-D__INT32_MAX__=2147483647 -D__SIZEOF_LONG__=8 -D__STDC_IEC_559__
-D__STDC_ISO_10646__=201103L '-D__UINT16_C(c)=c' -D__DECIMAL_DIG__=21
-D__gnu_linux__ -D__LDBL_HAS_QUIET_NAN__ -D__GNUC__=4 -D__GXX_RTTI
-D__MMX__ -D__FLT_HAS_DENORM__ -D__SIZEOF_LONG_DOUBLE__=16
-D__BIGGEST_ALIGNMENT__=16
'-D__DBL_MAX__=double(1.79769313486231570815e+308L)'
-D__INT_FAST32_MAX__=9223372036854775807L -D__DBL_HAS_INFINITY__
-D__INT64_MAX__=9223372036854775807L '-D__DEC32_MIN_EXP__=(-94)'
'-D__INT_FAST16_TYPE__=long int' -D__LDBL_HAS_DENORM__
-D__cplusplus=199711L
-D__DEC128_MAX__=9.999999999999999999999999999999999E6144DL
-D__INT_LEAST32_MAX__=2147483647 -D__DEC32_MIN__=1E-95DF -D__DEPRECATED
-D__DBL_MAX_EXP__=1024 -D__DEC128_EPSILON__=1E-33DL -D__SSE2_MATH__
-D__ATOMIC_HLE_RELEASE=131072 -D__PTRDIFF_MAX__=9223372036854775807L
-D__amd64 -D__STDC_NO_THREADS__ -D__ATOMIC_HLE_ACQUIRE=65536 -D__GNUG__=4
-D__LONG_LONG_MAX__=9223372036854775807LL -D__SIZEOF_SIZE_T__=8
-D__SIZEOF_WINT_T__=4 -D__GCC_HAVE_DWARF2_CFI_ASM -D__GXX_ABI_VERSION=1002
'-D__FLT_MIN_EXP__=(-125)' '-D__INT_FAST64_TYPE__=long int'
'-D__DBL_MIN__=double(2.22507385850720138309e-308L)' -D__LP64__
-D__DECIMAL_BID_FORMAT__ -D__DEC128_MIN__=1E-6143DL -D__REGISTER_PREFIX__=
-D__UINT16_MAX__=65535 -D__DBL_HAS_DENORM__ '-D__UINT8_TYPE__=unsigned
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(Red Hat 4.8.5-28)"' '-D__UINT64_C(c)=c ##UL' -D_STDC_PREDEF_H
-D__GCC_ATOMIC_INT_LOCK_FREE=2
-D__FLOAT_WORD_ORDER__=__ORDER_LITTLE_ENDIAN__ -D__STDC_IEC_559_COMPLEX__
'-D__INT32_C(c)=c' -D__DEC64_EPSILON__=1E-15DD -D__ORDER_PDP_ENDIAN__=3412
'-D__DEC128_MIN_EXP__=(-6142)' '-D__INT_FAST32_TYPE__=long int'
'-D__UINT_LEAST16_TYPE__=short unsigned int' -Dunix -D__INT16_MAX__=32767
'-D__SIZE_TYPE__=long unsigned int' -D__UINT64_MAX__=18446744073709551615UL
'-D__INT8_TYPE__=signed char' -D__ELF__ -D__FLT_RADIX__=2
'-D__INT_LEAST16_TYPE__=short int'
-D__LDBL_EPSILON__=1.08420217248550443401e-19L '-D__UINTMAX_C(c)=c ##UL'
-D__GNUC_RH_RELEASE__=28 -D__k8 -D__SIG_ATOMIC_MAX__=2147483647
-D__GCC_ATOMIC_WCHAR_T_LOCK_FREE=2 -D__SIZEOF_PTRDIFF_T__=8 -D__x86_64__
-D__DEC32_SUBNORMAL_MIN__=0.000001E-95DF
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/home/twiser/programs/qtcreator-4.7.0/libexec/qtcreator/clang/lib/clang/6.0.1/include
<list-of-project-include-paths> -I /usr/include/c++/4.8.2 -I
/usr/include/c++/4.8.2/x86_64-redhat-linux -I
/usr/include/c++/4.8.2/backward -I
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Robert Löhning
2018-08-10 12:03:19 UTC
Permalink
Post by Tyson Wiser
Thank you for the quick response. I do not have a Qt account so I cannot
file the bug. I think I have included everything that you would need to
reproduce the problem below. Note that the default for my version of GCC is
C++98.
Hi Tyson,

just to avoid misunderstandings: You don't need to buy a license to have
a Qt Account. You can register for free.
If you chose to not do so for a different reason, I accept that, of course.
Thank you for your report.

Cheers,
Robert
--
Robert Löhning, Software Engineer - The Qt Company GmbH
The Qt Company GmbH, Rudower Chaussee 13, D-12489 Berlin
Geschäftsführer: Mika Pälsi, Juha Varelius, Mika Harjuaho
Sitz der Gesellschaft: Berlin,
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