trns1997 commented on PR #11269:
URL: https://github.com/apache/nuttx/pull/11269#issuecomment-1830507448
> The porting is not completly finished, mainly because I didn't try with
older version of the lib and I was focused on the missing symbols bug.
>
> Hereafter a patch with the modifications:
>
> ```
> diff --git a/libs/libxx/__config_site b/libs/libxx/__config_site
> index 8662a132f0..9131580ad5 100644
> --- a/libs/libxx/__config_site
> +++ b/libs/libxx/__config_site
> @@ -9,10 +9,6 @@
> #ifndef _LIBCPP___CONFIG_SITE
> #define _LIBCPP___CONFIG_SITE
>
> -/* The following is generated from include/__config_site.in
> - * in Ubunutu 22.0.4 with g++ 11.3.0.
> - */
> -
> #define _LIBCPP_ABI_VERSION 1
> #define _LIBCPP_ABI_NAMESPACE __1
> /* #undef _LIBCPP_ABI_FORCE_ITANIUM */
> @@ -23,18 +19,24 @@
> /* #undef _LIBCPP_HAS_THREAD_API_PTHREAD */
> /* #undef _LIBCPP_HAS_THREAD_API_EXTERNAL */
> /* #undef _LIBCPP_HAS_THREAD_API_WIN32 */
> -/* #undef _LIBCPP_HAS_THREAD_LIBRARY_EXTERNAL */
> /* #undef _LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS */
> #define _LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS
> /* #undef _LIBCPP_NO_VCRUNTIME */
> /* #undef _LIBCPP_TYPEINFO_COMPARISON_IMPLEMENTATION */
> -/* #undef _LIBCPP_HAS_NO_FILESYSTEM_LIBRARY */
> -/* #undef _LIBCPP_HAS_PARALLEL_ALGORITHMS */
> +/* #undef _LIBCPP_HAS_NO_FILESYSTEM */
> /* #undef _LIBCPP_HAS_NO_RANDOM_DEVICE */
> /* #undef _LIBCPP_HAS_NO_LOCALIZATION */
> /* #undef _LIBCPP_HAS_NO_WIDE_CHARACTERS */
> -#define _LIBCPP_ENABLE_ASSERTIONS_DEFAULT 0
> -/* #undef _LIBCPP_ENABLE_DEBUG_MODE */
> +#define _LIBCPP_HAS_NO_STD_MODULES
> +/* #undef _LIBCPP_HAS_NO_TIME_ZONE_DATABASE */
> +
> +// PSTL backends
> +#define _LIBCPP_PSTL_CPU_BACKEND_SERIAL
> +/* #undef _LIBCPP_PSTL_CPU_BACKEND_THREAD */
> +/* #undef _LIBCPP_PSTL_CPU_BACKEND_LIBDISPATCH */
> +
> +// Hardening.
> +#define _LIBCPP_HARDENING_MODE_DEFAULT 2
>
> // __USE_MINGW_ANSI_STDIO gets redefined on MinGW
> #ifdef __clang__
> diff --git a/libs/libxx/libcxx.defs b/libs/libxx/libcxx.defs
> index 9d5922ff93..937c1969fa 100644
> --- a/libs/libxx/libcxx.defs
> +++ b/libs/libxx/libcxx.defs
> @@ -46,6 +46,11 @@ ifeq ($(wildcard libcxx/.git),)
> endif
>
> CXXFLAGS += ${DEFINE_PREFIX}_LIBCPP_BUILDING_LIBRARY
> +
> +CXXFLAGS += ${DEFINE_PREFIX}__STDC_CONSTANT_MACROS
> +CXXFLAGS += ${DEFINE_PREFIX}__STDC_FORMAT_MACROS
> +CXXFLAGS += ${DEFINE_PREFIX}__STDC_LIMIT_MACROS
> +
> CXXFLAGS += ${INCDIR_PREFIX}$(CURDIR)/libcxx/src
>
> ifeq ($(CONFIG_LIBSUPCXX), y)
> @@ -139,3 +144,5 @@ endif
> CPPSRCS += $(wildcard libcxx/src/*.cpp)
> CPPSRCS += $(wildcard libcxx/src/experimental/*.cpp)
> CPPSRCS += $(wildcard libcxx/src/filesystem/*.cpp)
> +CPPSRCS += $(wildcard libcxx/src/ryu/*.cpp)
> +
> ```
This patch is correct but there is a small bug. When I activate the
following options in any board:
```
CONFIG_LIBCXX=y
CONFIG_LIBCXX_VERSION="17.0.5
```
I get the following error:
```
➜ nuttx git:(master) ✗ ./tools/configure.sh -E -l stm32f411e-disco:nsh &&
make -j8
make: Entering directory '/home/thomas/nuttxspace/nuttx'
make: Leaving directory '/home/thomas/nuttxspace/nuttx'
Copy files
Select CONFIG_HOST_LINUX=y
Refreshing...
CP: arch/dummy/Kconfig to
/home/thomas/nuttxspace/nuttx/arch/dummy/dummy_kconfig
CP: boards/dummy/Kconfig to
/home/thomas/nuttxspace/nuttx/boards/dummy/dummy_kconfig
LN: platform/board to /home/thomas/nuttxspace/apps/platform/dummy
LN: include/arch to arch/arm/include
LN: include/arch/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/include
LN: drivers/platform to /home/thomas/nuttxspace/nuttx/drivers/dummy
LN: include/arch/chip to /home/thomas/nuttxspace/nuttx/arch/arm/include/stm32
LN: arch/arm/src/chip to /home/thomas/nuttxspace/nuttx/arch/arm/src/stm32
LN: arch/arm/src/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/../common
LN: arch/arm/src/board/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/src
mkkconfig in /home/thomas/nuttxspace/apps/examples/mcuboot
mkkconfig in /home/thomas/nuttxspace/apps/examples
mkkconfig in /home/thomas/nuttxspace/apps/crypto
mkkconfig in /home/thomas/nuttxspace/apps/audioutils
mkkconfig in /home/thomas/nuttxspace/apps/logging
mkkconfig in /home/thomas/nuttxspace/apps/system
mkkconfig in /home/thomas/nuttxspace/apps/boot
mkkconfig in /home/thomas/nuttxspace/apps/fsutils
mkkconfig in /home/thomas/nuttxspace/apps/benchmarks
mkkconfig in /home/thomas/nuttxspace/apps/math
mkkconfig in /home/thomas/nuttxspace/apps/interpreters/luamodules
mkkconfig in /home/thomas/nuttxspace/apps/interpreters
mkkconfig in /home/thomas/nuttxspace/apps/lte
mkkconfig in /home/thomas/nuttxspace/apps/testing
mkkconfig in /home/thomas/nuttxspace/apps/mlearning
mkkconfig in /home/thomas/nuttxspace/apps/graphics
mkkconfig in /home/thomas/nuttxspace/apps/netutils
mkkconfig in /home/thomas/nuttxspace/apps/sdr
mkkconfig in /home/thomas/nuttxspace/apps/canutils
mkkconfig in /home/thomas/nuttxspace/apps/inertial
mkkconfig in /home/thomas/nuttxspace/apps/wireless/ieee802154
mkkconfig in /home/thomas/nuttxspace/apps/wireless/bluetooth
mkkconfig in /home/thomas/nuttxspace/apps/wireless
mkkconfig in /home/thomas/nuttxspace/apps/games
mkkconfig in /home/thomas/nuttxspace/apps/industry
mkkconfig in /home/thomas/nuttxspace/apps
Loaded configuration '.config'
Configuration saved to '.config'
Create version.h
Downloading: libcxx-17.0.5.src.tar.xz LN: platform/board to
/home/thomas/nuttxspace/apps/platform/dummy
Register: nsh
Register: sh
CXX: libcxx/src/memory_resource.cpp In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__string/char_traits.h:29,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string_view:221,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__format/format_parse_context.h:16,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__format/concepts.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__thread/formatter.h:15,
from /home/thomas/nuttxspace/nuttx/include/libcxx/thread:92,
from libcxx/src/barrier.cpp:14:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
CXX: libcxx/src/functional.cpp In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/system_error.h:14,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__mutex/unique_lock.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__condition_variable/condition_variable.h:17,
from /home/thomas/nuttxspace/nuttx/include/libcxx/mutex:192,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__memory_resource/synchronized_pool_resource.h:18,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/memory_resource:57,
from libcxx/src/memory_resource.cpp:10:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
CXX: libcxx/src/thread.cpp In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/algorithm:1761,
from /home/thomas/nuttxspace/nuttx/include/libcxx/array:547,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__functional/boyer_moore_searcher.h:25,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/functional:526,
from libcxx/src/functional.cpp:9:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/future:380,
from libcxx/src/thread.cpp:16:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
CXX: libcxx/src/ios.instantiations.cpp In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/system_error.h:14,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__mutex/unique_lock.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__condition_variable/condition_variable.h:17,
from /home/thomas/nuttxspace/nuttx/include/libcxx/mutex:192,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__locale:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/fstream:187,
from libcxx/src/ios.instantiations.cpp:10:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
make[1]: *** [Makefile:72: libcxx/src/memory_resource.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:72: libcxx/src/barrier.o] Error 1
make[1]: *** [Makefile:72: libcxx/src/functional.o] Error 1
make[1]: *** [Makefile:72: libcxx/src/thread.o] Error 1
make[1]: *** [Makefile:72: libcxx/src/ios.instantiations.o] Error 1
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/system_error.h:14,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__mutex/unique_lock.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__condition_variable/condition_variable.h:17,
from /home/thomas/nuttxspace/nuttx/include/libcxx/mutex:192,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__memory_resource/synchronized_pool_resource.h:18,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/memory_resource:57,
from ./libcxx/src/memory_resource.cpp:10:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__string/char_traits.h:29,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string_view:221,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__format/format_parse_context.h:16,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__format/concepts.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__thread/formatter.h:15,
from /home/thomas/nuttxspace/nuttx/include/libcxx/thread:92,
from ./libcxx/src/barrier.cpp:14:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
ERROR: arm-none-eabi-g++ failed: 1
command: arm-none-eabi-g++ -MT ./memory_resource.o -M '-nostdinc++'
'-Wno-attributes' '-Wno-unknown-pragmas' '-Wno-psabi' '-std=gnu++20'
'-fno-exceptions' '-fcheck-new' '-fno-rtti' '-Os' '-fno-strict-aliasing'
'-fomit-frame-pointer' '--param=min-pagesize=0' '-fno-common' '-Wall'
'-Wshadow' '-Wundef' '-ffunction-sections' '-fdata-sections' '-mlittle-endian'
'-march=armv7e-m' '-mtune=cortex-m4' '-mfloat-abi=soft' '-mthumb' '-Wa,-mthumb'
'-Wa,-mimplicit-it=always' '-isystem'
'/home/thomas/nuttxspace/nuttx/include/libcxx' '-isystem'
'/home/thomas/nuttxspace/nuttx/include' '-D__NuttX__' '-DNDEBUG' '-D__KERNEL__'
'-pipe' '-D_LIBCPP_BUILDING_LIBRARY' '-I'
'/home/thomas/nuttxspace/nuttx/libs/libxx/libcxx/src' '-D__GLIBCXX__'
./libcxx/src/memory_resource.cpp
make[2]: *** [/home/thomas/nuttxspace/nuttx/tools/Config.mk:231:
libcxx/src/memory_resource.ddp] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/algorithm:1761,
from /home/thomas/nuttxspace/nuttx/include/libcxx/array:547,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__functional/boyer_moore_searcher.h:25,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/functional:526,
from ./libcxx/src/functional.cpp:9:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
ERROR: arm-none-eabi-g++ failed: 1
command: arm-none-eabi-g++ -MT ./barrier.o -M '-nostdinc++'
'-Wno-attributes' '-Wno-unknown-pragmas' '-Wno-psabi' '-std=gnu++20'
'-fno-exceptions' '-fcheck-new' '-fno-rtti' '-Os' '-fno-strict-aliasing'
'-fomit-frame-pointer' '--param=min-pagesize=0' '-fno-common' '-Wall'
'-Wshadow' '-Wundef' '-ffunction-sections' '-fdata-sections' '-mlittle-endian'
'-march=armv7e-m' '-mtune=cortex-m4' '-mfloat-abi=soft' '-mthumb' '-Wa,-mthumb'
'-Wa,-mimplicit-it=always' '-isystem'
'/home/thomas/nuttxspace/nuttx/include/libcxx' '-isystem'
'/home/thomas/nuttxspace/nuttx/include' '-D__NuttX__' '-DNDEBUG' '-D__KERNEL__'
'-pipe' '-D_LIBCPP_BUILDING_LIBRARY' '-I'
'/home/thomas/nuttxspace/nuttx/libs/libxx/libcxx/src' '-D__GLIBCXX__'
./libcxx/src/barrier.cpp
make[2]: *** [/home/thomas/nuttxspace/nuttx/tools/Config.mk:231:
libcxx/src/barrier.ddp] Error 1
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/system_error.h:14,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__mutex/unique_lock.h:17,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__condition_variable/condition_variable.h:17,
from /home/thomas/nuttxspace/nuttx/include/libcxx/mutex:192,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__locale:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/fstream:187,
from ./libcxx/src/ios.instantiations.cpp:10:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/find.h:21,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__algorithm/remove.h:12,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/string:569,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/__system_error/error_category.h:15,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/future:380,
from ./libcxx/src/thread.cpp:16:
/home/thomas/nuttxspace/nuttx/include/libcxx/cwchar:117:5: error: #error
<cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header.
This usually means that your header search paths are not configured properly.
The header search paths should contain the C++ Standard Library headers before
any C Standard Library, and you are probably using compiler flags that make
that not be the case.
117 | # error <cwchar> tried including <wchar.h> but didn't find
libc++'s <wchar.h> header. \
| ^~~~~
ERROR: arm-none-eabi-g++ failed: 1
command: arm-none-eabi-g++ -MT ./functional.o -M '-nostdinc++'
'-Wno-attributes' '-Wno-unknown-pragmas' '-Wno-psabi' '-std=gnu++20'
'-fno-exceptions' '-fcheck-new' '-fno-rtti' '-Os' '-fno-strict-aliasing'
'-fomit-frame-pointer' '--param=min-pagesize=0' '-fno-common' '-Wall'
'-Wshadow' '-Wundef' '-ffunction-sections' '-fdata-sections' '-mlittle-endian'
'-march=armv7e-m' '-mtune=cortex-m4' '-mfloat-abi=soft' '-mthumb' '-Wa,-mthumb'
'-Wa,-mimplicit-it=always' '-isystem'
'/home/thomas/nuttxspace/nuttx/include/libcxx' '-isystem'
'/home/thomas/nuttxspace/nuttx/include' '-D__NuttX__' '-DNDEBUG' '-D__KERNEL__'
'-pipe' '-D_LIBCPP_BUILDING_LIBRARY' '-I'
'/home/thomas/nuttxspace/nuttx/libs/libxx/libcxx/src' '-D__GLIBCXX__'
./libcxx/src/functional.cpp
make[2]: *** [/home/thomas/nuttxspace/nuttx/tools/Config.mk:231:
libcxx/src/functional.ddp] Error 1
ERROR: arm-none-eabi-g++ failed: 1
command: arm-none-eabi-g++ -MT ./ios.instantiations.o -M
'-nostdinc++' '-Wno-attributes' '-Wno-unknown-pragmas' '-Wno-psabi'
'-std=gnu++20' '-fno-exceptions' '-fcheck-new' '-fno-rtti' '-Os'
'-fno-strict-aliasing' '-fomit-frame-pointer' '--param=min-pagesize=0'
'-fno-common' '-Wall' '-Wshadow' '-Wundef' '-ffunction-sections'
'-fdata-sections' '-mlittle-endian' '-march=armv7e-m' '-mtune=cortex-m4'
'-mfloat-abi=soft' '-mthumb' '-Wa,-mthumb' '-Wa,-mimplicit-it=always'
'-isystem' '/home/thomas/nuttxspace/nuttx/include/libcxx' '-isystem'
'/home/thomas/nuttxspace/nuttx/include' '-D__NuttX__' '-DNDEBUG' '-D__KERNEL__'
'-pipe' '-D_LIBCPP_BUILDING_LIBRARY' '-I'
'/home/thomas/nuttxspace/nuttx/libs/libxx/libcxx/src' '-D__GLIBCXX__'
./libcxx/src/ios.instantiations.cpp
make[2]: *** [/home/thomas/nuttxspace/nuttx/tools/Config.mk:231:
libcxx/src/ios.instantiations.ddp] Error 1
ERROR: arm-none-eabi-g++ failed: 1
command: arm-none-eabi-g++ -MT ./thread.o -M '-nostdinc++'
'-Wno-attributes' '-Wno-unknown-pragmas' '-Wno-psabi' '-std=gnu++20'
'-fno-exceptions' '-fcheck-new' '-fno-rtti' '-Os' '-fno-strict-aliasing'
'-fomit-frame-pointer' '--param=min-pagesize=0' '-fno-common' '-Wall'
'-Wshadow' '-Wundef' '-ffunction-sections' '-fdata-sections' '-mlittle-endian'
'-march=armv7e-m' '-mtune=cortex-m4' '-mfloat-abi=soft' '-mthumb' '-Wa,-mthumb'
'-Wa,-mimplicit-it=always' '-isystem'
'/home/thomas/nuttxspace/nuttx/include/libcxx' '-isystem'
'/home/thomas/nuttxspace/nuttx/include' '-D__NuttX__' '-DNDEBUG' '-D__KERNEL__'
'-pipe' '-D_LIBCPP_BUILDING_LIBRARY' '-I'
'/home/thomas/nuttxspace/nuttx/libs/libxx/libcxx/src' '-D__GLIBCXX__'
./libcxx/src/thread.cpp
make[2]: *** [/home/thomas/nuttxspace/nuttx/tools/Config.mk:231:
libcxx/src/thread.ddp] Error 1
make[1]: *** [Makefile:84: .depend] Error 2
make: *** [tools/Unix.mk:611: pass2dep] Error 2
make: *** Waiting for unfinished jobs....
make: *** [tools/LibTargets.mk:216: libs/libxx/libxx.a] Error 2
```
But after playing around with the options i figured out that adding
`CONFIG_LIBM=y` to the defconfig the compilation is successful.
```
➜ nuttx git:(master) ✗ ./tools/configure.sh -E -l stm32f411e-disco:nsh &&
make -j8
make: Entering directory '/home/thomas/nuttxspace/nuttx'
make: Leaving directory '/home/thomas/nuttxspace/nuttx'
Copy files
Select CONFIG_HOST_LINUX=y
Refreshing...
CP: arch/dummy/Kconfig to
/home/thomas/nuttxspace/nuttx/arch/dummy/dummy_kconfig
CP: boards/dummy/Kconfig to
/home/thomas/nuttxspace/nuttx/boards/dummy/dummy_kconfig
LN: platform/board to /home/thomas/nuttxspace/apps/platform/dummy
LN: include/arch to arch/arm/include
LN: include/arch/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/include
LN: drivers/platform to /home/thomas/nuttxspace/nuttx/drivers/dummy
LN: include/arch/chip to /home/thomas/nuttxspace/nuttx/arch/arm/include/stm32
LN: arch/arm/src/chip to /home/thomas/nuttxspace/nuttx/arch/arm/src/stm32
LN: arch/arm/src/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/../common
LN: arch/arm/src/board/board to
/home/thomas/nuttxspace/nuttx/boards/arm/stm32/stm32f411e-disco/src
mkkconfig in /home/thomas/nuttxspace/apps/examples/mcuboot
mkkconfig in /home/thomas/nuttxspace/apps/examples
mkkconfig in /home/thomas/nuttxspace/apps/crypto
mkkconfig in /home/thomas/nuttxspace/apps/audioutils
mkkconfig in /home/thomas/nuttxspace/apps/logging
mkkconfig in /home/thomas/nuttxspace/apps/system
mkkconfig in /home/thomas/nuttxspace/apps/boot
mkkconfig in /home/thomas/nuttxspace/apps/fsutils
mkkconfig in /home/thomas/nuttxspace/apps/benchmarks
mkkconfig in /home/thomas/nuttxspace/apps/math
mkkconfig in /home/thomas/nuttxspace/apps/interpreters/luamodules
mkkconfig in /home/thomas/nuttxspace/apps/interpreters
mkkconfig in /home/thomas/nuttxspace/apps/lte
mkkconfig in /home/thomas/nuttxspace/apps/testing
mkkconfig in /home/thomas/nuttxspace/apps/mlearning
mkkconfig in /home/thomas/nuttxspace/apps/graphics
mkkconfig in /home/thomas/nuttxspace/apps/netutils
mkkconfig in /home/thomas/nuttxspace/apps/sdr
mkkconfig in /home/thomas/nuttxspace/apps/canutils
mkkconfig in /home/thomas/nuttxspace/apps/inertial
mkkconfig in /home/thomas/nuttxspace/apps/wireless/ieee802154
mkkconfig in /home/thomas/nuttxspace/apps/wireless/bluetooth
mkkconfig in /home/thomas/nuttxspace/apps/wireless
mkkconfig in /home/thomas/nuttxspace/apps/games
mkkconfig in /home/thomas/nuttxspace/apps/industry
mkkconfig in /home/thomas/nuttxspace/apps
Loaded configuration '.config'
Configuration saved to '.config'
Create version.h
Downloading: libcxx-17.0.5.src.tar.xz LN: platform/board to
/home/thomas/nuttxspace/apps/platform/dummy
Register: nsh
Register: sh
CXX: libcxx/src/ios.cpp libcxx/src/string.cpp:58:33: warning:
'template<class _CharT> struct std::__1::char_traits' is deprecated:
char_traits<T> for T not equal to char, wchar_t, char8_t, char16_t or char32_t
is non-standard and is provided for a temporary period. It will be removed in
LLVM 18, so please migrate off of it. [-Wdeprecated-declarations]
58 | template string operator+<char, char_traits<char>,
allocator<char>>(char const*, string const&);
| ^~~~~~~~~~~
In file included from
/home/thomas/nuttxspace/nuttx/include/libcxx/__fwd/fstream.h:13,
from /home/thomas/nuttxspace/nuttx/include/libcxx/iosfwd:99,
from
/home/thomas/nuttxspace/nuttx/include/libcxx/charconv:99,
from libcxx/src/string.cpp:11:
/home/thomas/nuttxspace/nuttx/include/libcxx/__fwd/string.h:23:29: note:
declared here
23 | struct _LIBCPP_TEMPLATE_VIS char_traits;
| ^~~~~~~~~~~
In file included from libcxx/src/filesystem/path.cpp:14:
libcxx/src/filesystem/path_parser.h: In constructor
'std::__1::__fs::filesystem::parser::PathParser::PathParser(std::__1::__fs::filesystem::parser::string_view_t,
ParserState)':
libcxx/src/filesystem/path_parser.h:58:43: warning: declaration of 'State'
shadows a member of 'std::__1::__fs::filesystem::parser::PathParser' [-Wshadow]
58 | PathParser(string_view_t P, ParserState State) noexcept : Path(P),
| ~~~~~~~~~~~~^~~~~
libcxx/src/filesystem/path_parser.h:55:15: note: shadowed declaration is here
55 | ParserState State;
| ^~~~~
libcxx/src/filesystem/path_parser.h: In constructor
'std::__1::__fs::filesystem::parser::PathParser::PathParser(std::__1::__fs::filesystem::parser::string_view_t,
ParserState)':
libcxx/src/filesystem/path_parser.h:58:43: warning: declaration of 'State'
shadows a member of 'std::__1::__fs::filesystem::parser::PathParser' [-Wshadow]
58 | PathParser(string_view_t P, ParserState State) noexcept : Path(P),
| ~~~~~~~~~~~~^~~~~
libcxx/src/filesystem/path_parser.h:55:15: note: shadowed declaration is here
55 | ParserState State;
| ^~~~~
libcxx/src/filesystem/path_parser.h: In constructor
'std::__1::__fs::filesystem::parser::PathParser::PathParser(std::__1::__fs::filesystem::parser::string_view_t,
ParserState)':
libcxx/src/filesystem/path_parser.h:58:43: warning: declaration of 'State'
shadows a member of 'std::__1::__fs::filesystem::parser::PathParser' [-Wshadow]
58 | PathParser(string_view_t P, ParserState State) noexcept : Path(P),
| ~~~~~~~~~~~~^~~~~
libcxx/src/filesystem/path_parser.h:55:15: note: shadowed declaration is here
55 | ParserState State;
| ^~~~~
CC: irq/irq_dispatch.c chip/stm32_gpio.c:41:11: note: '#pragma message:
CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated migrate board.h see
tools/stm32_pinmap_tool.py'
41 | # pragma message "CONFIG_STM32_USE_LEGACY_PINMAP will be deprecated
migrate board.h see tools/stm32_pinmap_tool.py"
| ^~~~~~~
LD: nuttx
CP: nuttx.hex
CP: nuttx.bin
```
There is something the libm include that resolves the issue. I will look
further into it tomorrow.
An interesting note for the future LLVM version (which will be 18) the
following warning will need to be addressed:
```
CXX: libcxx/src/ios.cpp libcxx/src/string.cpp:58:33: warning:
'template<class _CharT> struct std::__1::char_traits' is deprecated:
char_traits<T> for T not equal to char, wchar_t, char8_t, char16_t or char32_t
is non-standard and is provided for a temporary period. It will be removed in
LLVM 18, so please migrate off of it. [-Wdeprecated-declarations]
58 | template string operator+<char, char_traits<char>,
allocator<char>>(char const*, string const&);
| ^~~~~~~~~~~
```
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