Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_48d8f/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_48d8f.dir/build.make CMakeFiles/cmTC_48d8f.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_48d8f.dir/src.c.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -DCMAKE_HAVE_LIBC_PTHREAD -o CMakeFiles/cmTC_48d8f.dir/src.c.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_48d8f /nix/store/zzqzl5lm59mc04fd8f1wbwl7nmxvv1bb-cmake-3.19.7/bin/cmake -E cmake_link_script CMakeFiles/cmTC_48d8f.dir/link.txt --verbose=1 /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc CMakeFiles/cmTC_48d8f.dir/src.c.o -o cmTC_48d8f /nix/store/77i6h1kjpdww9zzpvkmgyym2mz65yff1-binutils-2.35.1/bin/ld: CMakeFiles/cmTC_48d8f.dir/src.c.o: in function `main': src.c:(.text.startup+0x23): undefined reference to `pthread_create' /nix/store/77i6h1kjpdww9zzpvkmgyym2mz65yff1-binutils-2.35.1/bin/ld: src.c:(.text.startup+0x2c): undefined reference to `pthread_detach' /nix/store/77i6h1kjpdww9zzpvkmgyym2mz65yff1-binutils-2.35.1/bin/ld: src.c:(.text.startup+0x35): undefined reference to `pthread_cancel' /nix/store/77i6h1kjpdww9zzpvkmgyym2mz65yff1-binutils-2.35.1/bin/ld: src.c:(.text.startup+0x40): undefined reference to `pthread_join' collect2: error: ld returned 1 exit status make[1]: *** [CMakeFiles/cmTC_48d8f.dir/build.make:106: cmTC_48d8f] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_48d8f/fast] Error 2 Source file was: #include static void* test_func(void* data) { return data; } int main(void) { pthread_t thread; pthread_create(&thread, NULL, test_func, NULL); pthread_detach(thread); pthread_cancel(thread); pthread_join(thread, NULL); pthread_atfork(NULL, NULL, NULL); pthread_exit(NULL); return 0; } Determining if the function pthread_create exists in the pthreads failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_a134c/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_a134c.dir/build.make CMakeFiles/cmTC_a134c.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_a134c.dir/CheckFunctionExists.c.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -DCHECK_FUNCTION_EXISTS=pthread_create -o CMakeFiles/cmTC_a134c.dir/CheckFunctionExists.c.o -c /nix/store/zzqzl5lm59mc04fd8f1wbwl7nmxvv1bb-cmake-3.19.7/share/cmake-3.19/Modules/CheckFunctionExists.c Linking C executable cmTC_a134c /nix/store/zzqzl5lm59mc04fd8f1wbwl7nmxvv1bb-cmake-3.19.7/bin/cmake -E cmake_link_script CMakeFiles/cmTC_a134c.dir/link.txt --verbose=1 /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -DCHECK_FUNCTION_EXISTS=pthread_create CMakeFiles/cmTC_a134c.dir/CheckFunctionExists.c.o -o cmTC_a134c -lpthreads /nix/store/77i6h1kjpdww9zzpvkmgyym2mz65yff1-binutils-2.35.1/bin/ld: cannot find -lpthreads collect2: error: ld returned 1 exit status make[1]: *** [CMakeFiles/cmTC_a134c.dir/build.make:106: cmTC_a134c] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_a134c/fast] Error 2 Performing C SOURCE FILE Test C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_aa30b/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_aa30b.dir/build.make CMakeFiles/cmTC_aa30b.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_aa30b.dir/src.c.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -DC_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW -Wno-implicit-fallthrough -pipe -Wall -W -pthread -fPIC -Werror=date-time -Werror -Werror=unguarded-availability-new -o CMakeFiles/cmTC_aa30b.dir/src.c.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.c cc1: error: '-Werror=unguarded-availability-new': no option '-Wunguarded-availability-new' make[1]: *** [CMakeFiles/cmTC_aa30b.dir/build.make:85: CMakeFiles/cmTC_aa30b.dir/src.c.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_aa30b/fast] Error 2 Source file was: int main(void) { return 0; } Performing C++ SOURCE FILE Test CXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_cc9a8/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_cc9a8.dir/build.make CMakeFiles/cmTC_cc9a8.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_cc9a8.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror -Werror=unguarded-availability-new -std=c++17 -o CMakeFiles/cmTC_cc9a8.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx cc1plus: error: '-Werror=unguarded-availability-new': no option '-Wunguarded-availability-new' make[1]: *** [CMakeFiles/cmTC_cc9a8.dir/build.make:85: CMakeFiles/cmTC_cc9a8.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_cc9a8/fast] Error 2 Source file was: int main() { return 0;} Determining if the os_signpost_interval_begin exist failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_47122/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_47122.dir/build.make CMakeFiles/cmTC_47122.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_47122.dir/CheckSymbolExists.c.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -Wno-implicit-fallthrough -pipe -Wall -W -pthread -fPIC -Werror=date-time -w -ffunction-sections -fdata-sections -o CMakeFiles/cmTC_47122.dir/CheckSymbolExists.c.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:2:10: fatal error: os/signpost.h: No such file or directory 2 | #include | ^~~~~~~~~~~~~~~ compilation terminated. make[1]: *** [CMakeFiles/cmTC_47122.dir/build.make:85: CMakeFiles/cmTC_47122.dir/CheckSymbolExists.c.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_47122/fast] Error 2 File /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef os_signpost_interval_begin return ((int*)(&os_signpost_interval_begin))[argc]; #else (void)argc; return 0; #endif } Performing C++ SOURCE FILE Test CXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_8cb6c/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_8cb6c.dir/build.make CMakeFiles/cmTC_8cb6c.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_8cb6c.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_SUPPORTS_NO_NESTED_ANON_TYPES_FLAG -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++1z -w -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -fno-strict-aliasing -pedantic -Wno-long-long -Werror -Wnested-anon-types -std=c++17 -o CMakeFiles/cmTC_8cb6c.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx g++: error: unrecognized command-line option '-Wnested-anon-types' make[1]: *** [CMakeFiles/cmTC_8cb6c.dir/build.make:85: CMakeFiles/cmTC_8cb6c.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_8cb6c/fast] Error 2 Source file was: int main() { return 0;} Performing C++ SOURCE FILE Test CXX_HAS_Wno_nested_anon_types failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_f0a44/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_f0a44.dir/build.make CMakeFiles/cmTC_f0a44.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_f0a44.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_HAS_Wno_nested_anon_types -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++1z -w -ffunction-sections -fdata-sections -D -fvisibility=hidden -fno-strict-aliasing -Wwrite-strings -Wno-shadow -Wno-unused-parameter -Wno-deprecated-declarations -fPIC -fno-common -Woverloaded-virtual -fno-strict-aliasing -Wno-nested-anon-types -std=c++17 -o CMakeFiles/cmTC_f0a44.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx : error: macro names must be identifiers cc1plus: note: unrecognized command-line option '-Wno-nested-anon-types' may have been intended to silence earlier diagnostics make[1]: *** [CMakeFiles/cmTC_f0a44.dir/build.make:85: CMakeFiles/cmTC_f0a44.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_f0a44/fast] Error 2 Source file was: int main() { return 0;} Performing C++ SOURCE FILE Test CXX_HAS_Wno_covered_switch_default failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_ec8d5/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_ec8d5.dir/build.make CMakeFiles/cmTC_ec8d5.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_ec8d5.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_HAS_Wno_covered_switch_default -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++1z -w -ffunction-sections -fdata-sections -D -fvisibility=hidden -fno-strict-aliasing -Wwrite-strings -Wno-shadow -Wno-unused-parameter -Wno-deprecated-declarations -fPIC -fno-common -Woverloaded-virtual -fno-strict-aliasing -Wno-covered-switch-default -std=c++17 -o CMakeFiles/cmTC_ec8d5.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx : error: macro names must be identifiers cc1plus: note: unrecognized command-line option '-Wno-covered-switch-default' may have been intended to silence earlier diagnostics make[1]: *** [CMakeFiles/cmTC_ec8d5.dir/build.make:85: CMakeFiles/cmTC_ec8d5.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_ec8d5/fast] Error 2 Source file was: int main() { return 0;} Performing C++ SOURCE FILE Test CXX_HAS_Wno_unused_local_typedef failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_045e9/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_045e9.dir/build.make CMakeFiles/cmTC_045e9.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_045e9.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_HAS_Wno_unused_local_typedef -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++1z -w -ffunction-sections -fdata-sections -D -fvisibility=hidden -fno-strict-aliasing -Wwrite-strings -Wno-shadow -Wno-unused-parameter -Wno-deprecated-declarations -fPIC -fno-common -Woverloaded-virtual -fno-strict-aliasing -Wno-unused-local-typedef -std=c++17 -o CMakeFiles/cmTC_045e9.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx : error: macro names must be identifiers cc1plus: note: unrecognized command-line option '-Wno-unused-local-typedef' may have been intended to silence earlier diagnostics make[1]: *** [CMakeFiles/cmTC_045e9.dir/build.make:85: CMakeFiles/cmTC_045e9.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_045e9/fast] Error 2 Source file was: int main() { return 0;} Performing C++ SOURCE FILE Test CXX_HAS_fno_rtti failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_b0f92/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_b0f92.dir/build.make CMakeFiles/cmTC_b0f92.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_b0f92.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -DCXX_HAS_fno_rtti -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -D -fvisibility=hidden -fno-strict-aliasing -Wwrite-strings -Wno-shadow -Wno-unused-parameter -Wno-deprecated-declarations -fno-rtti -std=c++17 -o CMakeFiles/cmTC_b0f92.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx : error: macro names must be identifiers make[1]: *** [CMakeFiles/cmTC_b0f92.dir/build.make:85: CMakeFiles/cmTC_b0f92.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_b0f92/fast] Error 2 Source file was: int main() { return 0;} Determining if the m exist failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_ee1c1/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_ee1c1.dir/build.make CMakeFiles/cmTC_ee1c1.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_ee1c1.dir/CheckSymbolExists.c.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/gcc -Wno-implicit-fallthrough -pipe -Wall -W -pthread -o CMakeFiles/cmTC_ee1c1.dir/CheckSymbolExists.c.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c:2:10: fatal error: __sqrt_finite: No such file or directory 2 | #include <__sqrt_finite> | ^~~~~~~~~~~~~~~ compilation terminated. make[1]: *** [CMakeFiles/cmTC_ee1c1.dir/build.make:85: CMakeFiles/cmTC_ee1c1.dir/CheckSymbolExists.c.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_ee1c1/fast] Error 2 File /build/root-6.24.00/build/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include <__sqrt_finite> int main(int argc, char** argv) { (void)argv; #ifndef m return ((int*)(&m))[argc]; #else (void)argc; return 0; #endif } Performing C++ SOURCE FILE Test found_stod_stringview failed with the following output: Change Dir: /build/root-6.24.00/build/CMakeFiles/CMakeTmp Run Build Command(s):/nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make cmTC_f4ccc/fast && /nix/store/g2fna66r9m081w1h1zj857j06jigx6cq-gnumake-4.3/bin/make -f CMakeFiles/cmTC_f4ccc.dir/build.make CMakeFiles/cmTC_f4ccc.dir/build make[1]: Entering directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' Building CXX object CMakeFiles/cmTC_f4ccc.dir/src.cxx.o /nix/store/35pnk5kwi26m3ph2bc7dxwjnavpzl8cn-gcc-wrapper-10.3.0/bin/g++ -Dfound_stod_stringview -std=c++17 -Wno-implicit-fallthrough -Wno-noexcept-type -pipe -Wshadow -Wall -W -Woverloaded-virtual -fsigned-char -pthread -std=c++17 -o CMakeFiles/cmTC_f4ccc.dir/src.cxx.o -c /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx: In function 'int main()': /build/root-6.24.00/build/CMakeFiles/CMakeTmp/src.cxx:2:58: error: 'stod' is not a member of 'std' 2 | int main() { size_t pos; std::string_view str; std::stod(str,&pos); return 0;} | ^~~~ make[1]: *** [CMakeFiles/cmTC_f4ccc.dir/build.make:85: CMakeFiles/cmTC_f4ccc.dir/src.cxx.o] Error 1 make[1]: Leaving directory '/build/root-6.24.00/build/CMakeFiles/CMakeTmp' make: *** [Makefile:140: cmTC_f4ccc/fast] Error 2 Source file was: #include int main() { size_t pos; std::string_view str; std::stod(str,&pos); return 0;}