The target system is: Generic -  - 
The host system is: Linux - 6.12.25+rpt-rpi-v8 - aarch64
Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded.
Compiler: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/riscv32-esp-elf-gcc 
Build flags: -march=rv32imc_zicsr_zifencei;-mtune=esp-base;
Id flags:  

The output was:
0
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-closer.o): in function `_close_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/closer.c:47:(.text._close_r+0x14): warning: _close is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-lseekr.o): in function `_lseek_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/lseekr.c:49:(.text._lseek_r+0x18): warning: _lseek is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-readr.o): in function `_read_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/readr.c:49:(.text._read_r+0x18): warning: _read is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-writer.o): in function `_write_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/writer.c:49:(.text._write_r+0x18): warning: _write is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-fclose.o): in function `fclose':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/stdio/fclose.c:125:(.text.fclose+0x6): warning: __getreent is not implemented and will always fail


Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out"

The C compiler identification is GNU, found in "/home/pi/lighting-controller/esp32/build/CMakeFiles/3.25.1/CompilerIdC/a.out"

Compiling the CXX compiler identification source file "CMakeCXXCompilerId.cpp" succeeded.
Compiler: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/riscv32-esp-elf-g++ 
Build flags: -march=rv32imc_zicsr_zifencei;-mtune=esp-base;
Id flags:  

The output was:
0
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-closer.o): in function `_close_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/closer.c:47:(.text._close_r+0x14): warning: _close is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-lseekr.o): in function `_lseek_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/lseekr.c:49:(.text._lseek_r+0x18): warning: _lseek is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-readr.o): in function `_read_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/readr.c:49:(.text._read_r+0x18): warning: _read is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-writer.o): in function `_write_r':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/reent/writer.c:49:(.text._write_r+0x18): warning: _write is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/libc.a(libc_a-fclose.o): in function `fclose':
/builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/newlib/newlib/libc/stdio/fclose.c:125:(.text.fclose+0x6): warning: __getreent is not implemented and will always fail


Compilation of the CXX compiler identification source "CMakeCXXCompilerId.cpp" produced "a.out"

The CXX compiler identification is GNU, found in "/home/pi/lighting-controller/esp32/build/CMakeFiles/3.25.1/CompilerIdCXX/a.out"

Checking whether the ASM compiler is GNU using "--version" matched "(GNU assembler)|(GCC)|(Free Software Foundation)":
riscv32-esp-elf-gcc (crosstool-NG esp-15.2.0_20250920) 15.2.0
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Detecting C compiler ABI info compiled with the following output:
Change Dir: /home/pi/lighting-controller/esp32/build/CMakeFiles/CMakeScratch/TryCompile-bENnLW

Run Build Command(s):/usr/bin/ninja cmTC_3f0cb && [1/2] Building C object CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.obj
Using built-in specs.
COLLECT_GCC=/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/riscv32-esp-elf-gcc
Target: riscv32-esp-elf
Configured with: /builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/gcc/configure --build=x86_64-build_pc-linux-gnu --host=aarch64-host_unknown-linux-gnu --target=riscv32-esp-elf --prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf --exec_prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf --with-local-prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf --with-sysroot=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf --with-native-system-header-dir=/include --with-headers=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf/include --with-newlib --enable-threads=no --disable-shared --with-arch=rv32gc --with-abi=ilp32 --with-pkgversion='crosstool-NG esp-15.2.0_20250920' --disable-__cxa_atexit --enable-cxx-flags='-ffunction-sections -fdata-sections' --disable-libgomp --disable-libmudflap --disable-libmpx --disable-libssp --disable-libquadmath --disable-libquadmath-support --disable-libstdcxx-verbose --with-gmp=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-mpfr=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-mpc=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-isl=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --enable-lto --enable-target-optspace --without-long-double-128 --disable-plugin --disable-nls --enable-multiarch --enable-languages=c,c++ --disable-libstdcxx-verbose --enable-threads=posix --enable-libstdcxx-time=yes
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.2.0 (crosstool-NG esp-15.2.0_20250920) 
COLLECT_GCC_OPTIONS='-march=rv32imc_zicsr_zifencei' '-mtune=esp-base' '-v' '-o' 'CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.obj' '-c' '-mabi=ilp32' '-misa-spec=20191213' '-march=rv32imc_zicsr_zifencei_zmmul_zca' '-dumpdir' 'CMakeFiles/cmTC_3f0cb.dir/'
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GNU C23 (crosstool-NG esp-15.2.0_20250920) version 15.2.0 (riscv32-esp-elf)
	compiled by GNU C version 6.3.0 20170516, GMP version 6.3.0, MPFR version 4.2.1, MPC version 1.3.1, isl version isl-0.26-GMP

GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring duplicate directory "/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/../../lib/gcc/riscv32-esp-elf/15.2.0/include"
ignoring nonexistent directory "/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../riscv32-esp-elf/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf/include"
ignoring duplicate directory "/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/../../lib/gcc/riscv32-esp-elf/15.2.0/include-fixed"
ignoring duplicate directory "/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/../../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/include"
ignoring duplicate directory "/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../riscv32-esp-elf/include"
#include "..." search starts here:
#include <...> search starts here:
 /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/include
 /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/include-fixed
 /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/include
End of search list.
Compiler executable checksum: 506ecf61f32d44d8f99cedf675c9729d
COLLECT_GCC_OPTIONS='-march=rv32imc_zicsr_zifencei' '-mtune=esp-base' '-v' '-o' 'CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.obj' '-c' '-mabi=ilp32' '-misa-spec=20191213' '-march=rv32imc_zicsr_zifencei_zmmul_zca' '-dumpdir' 'CMakeFiles/cmTC_3f0cb.dir/'
 /home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/as -v --traditional-format -march=rv32imc_zicsr_zifencei -march=rv32imc_zicsr_zifencei_zmmul_zca -mabi=ilp32 -misa-spec=20191213 -o CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.obj /tmp/ccuzi1QV.s
GNU assembler version 2.45 (riscv32-esp-elf) using BFD version (crosstool-NG esp-15.2.0_20250920) 2.45
COMPILER_PATH=/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../libexec/gcc/riscv32-esp-elf/15.2.0/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../libexec/gcc/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/
LIBRARY_PATH=/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/rv32imc_zicsr_zifencei/ilp32/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/lib/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../riscv32-esp-elf/lib/:/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../riscv32-esp-elf/usr/lib/
COLLECT_GCC_OPTIONS='-march=rv32imc_zicsr_zifencei' '-mtune=esp-base' '-v' '-o' 'CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.obj' '-c' '-mabi=ilp32' '-misa-spec=20191213' '-march=rv32imc_zicsr_zifencei_zmmul_zca' '-dumpdir' 'CMakeFiles/cmTC_3f0cb.dir/CMakeCCompilerABI.c.'
[2/2] Linking C executable cmTC_3f0cb
Using built-in specs.
COLLECT_GCC=/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/riscv32-esp-elf-gcc
COLLECT_LTO_WRAPPER=/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../libexec/gcc/riscv32-esp-elf/15.2.0/lto-wrapper
Target: riscv32-esp-elf
Configured with: /builds/idf/crosstool-NG/.build/riscv32-esp-elf/src/gcc/configure --build=x86_64-build_pc-linux-gnu --host=aarch64-host_unknown-linux-gnu --target=riscv32-esp-elf --prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf --exec_prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf --with-local-prefix=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf --with-sysroot=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf --with-native-system-header-dir=/include --with-headers=/builds/idf/crosstool-NG/builds/riscv32-esp-elf/riscv32-esp-elf/include --with-newlib --enable-threads=no --disable-shared --with-arch=rv32gc --with-abi=ilp32 --with-pkgversion='crosstool-NG esp-15.2.0_20250920' --disable-__cxa_atexit --enable-cxx-flags='-ffunction-sections -fdata-sections' --disable-libgomp --disable-libmudflap --disable-libmpx --disable-libssp --disable-libquadmath --disable-libquadmath-support --disable-libstdcxx-verbose --with-gmp=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-mpfr=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-mpc=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --with-isl=/builds/idf/crosstool-NG/.build/riscv32-esp-elf/buildtools/complibs-host --enable-lto --enable-target-optspace --without-long-double-128 --disable-plugin --disable-nls --enable-multiarch --enable-languages=c,c++ --disable-libstdcxx-verbose --enable-threads=posix --enable-libstdcxx-time=yes
Thread model: posix
Supported LTO compression algorithms: zlib zstd
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  implicit libs: [stdc++;m;gcc;c;nosys;c;gcc]
  implicit objs: []
  implicit dirs: [/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/lib/gcc/riscv32-esp-elf/15.2.0/rv32imc_zicsr_zifencei/ilp32;/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/riscv32-esp-elf/lib/rv32imc_zicsr_zifencei/ilp32;/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/lib/gcc/riscv32-esp-elf/15.2.0;/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/lib/gcc;/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/riscv32-esp-elf/lib;/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/riscv32-esp-elf/usr/lib]
  implicit fwks: []


Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD succeeded with the following output:
Change Dir: /home/pi/lighting-controller/esp32/build/CMakeFiles/CMakeScratch/TryCompile-hSwmki

Run Build Command(s):/usr/bin/ninja cmTC_42e16 && [1/2] Building C object CMakeFiles/cmTC_42e16.dir/src.c.obj
[2/2] Linking C executable cmTC_42e16
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: CMakeFiles/cmTC_42e16.dir/src.c.obj: in function `main':
src.c:(.text+0x6e): warning: pthread_atfork is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: src.c:(.text+0x50): warning: pthread_cancel is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: src.c:(.text+0x34): warning: pthread_create is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: src.c:(.text+0x42): warning: pthread_detach is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: src.c:(.text+0x78): warning: pthread_exit is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: src.c:(.text+0x60): warning: pthread_join is not implemented and will always fail
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: warning: cannot find entry symbol _start; defaulting to 00010094


Source file was:
#include <pthread.h>

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;
}


Performing C SOURCE FILE Test C_COMPILER_SUPPORTS_WFORMAT_SIGNEDNESS succeeded with the following output:
Change Dir: /home/pi/lighting-controller/esp32/build/CMakeFiles/CMakeScratch/TryCompile-Hs38pt

Run Build Command(s):/usr/bin/ninja cmTC_c6819 && [1/2] Building C object CMakeFiles/cmTC_c6819.dir/src.c.obj
[2/2] Linking C executable cmTC_c6819
/home/pi/.espressif/tools/riscv32-esp-elf/esp-15.2.0_20250920/riscv32-esp-elf/bin/../lib/gcc/riscv32-esp-elf/15.2.0/../../../../riscv32-esp-elf/bin/ld: warning: cannot find entry symbol _start; defaulting to 00010094


Source file was:
int main(void) { return 0; }