The target system is: Buildroot - 1 - x86_64 The host system is: Linux - 5.4.0-39-generic - x86_64 Compiling the C compiler identification source file "CMakeCCompilerId.c" succeeded. Compiler: /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc Build flags: -D_LARGEFILE_SOURCE;-D_LARGEFILE64_SOURCE;-D_FILE_OFFSET_BITS=64;-Os Id flags: The output was: 0 Compilation of the C compiler identification source "CMakeCCompilerId.c" produced "a.out" The C compiler identification is GNU, found in "/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/3.16.3/CompilerIdC/a.out" Determining if the C compiler works passed with the following output: Change Dir: /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_9e55a/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_9e55a.dir/build.make CMakeFiles/cmTC_9e55a.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_9e55a.dir/testCCompiler.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG -o CMakeFiles/cmTC_9e55a.dir/testCCompiler.c.o -c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/testCCompiler.c Linking C executable cmTC_9e55a /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_9e55a.dir/link.txt --verbose=1 /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG CMakeFiles/cmTC_9e55a.dir/testCCompiler.c.o -o cmTC_9e55a make[2]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Detecting C compiler ABI info compiled with the following output: Change Dir: /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_96aeb/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_96aeb.dir/build.make CMakeFiles/cmTC_96aeb.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_96aeb.dir/CMakeCCompilerABI.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG -v -o CMakeFiles/cmTC_96aeb.dir/CMakeCCompilerABI.c.o -c /usr/share/cmake-3.16/Modules/CMakeCCompilerABI.c Using built-in specs. 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'/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_549b8.dir/build.make CMakeFiles/cmTC_549b8.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_549b8.dir/CheckIncludeFile.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG -o CMakeFiles/cmTC_549b8.dir/CheckIncludeFile.c.o -c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/CheckIncludeFile.c Linking C executable cmTC_549b8 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_549b8.dir/link.txt --verbose=1 /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DNDEBUG CMakeFiles/cmTC_549b8.dir/CheckIncludeFile.c.o -o cmTC_549b8 make[2]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Performing C SOURCE FILE Test CMAKE_HAVE_LIBC_PTHREAD succeeded with the following output: Change Dir: /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_85391/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_85391.dir/build.make CMakeFiles/cmTC_85391.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_85391.dir/src.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG -o CMakeFiles/cmTC_85391.dir/src.c.o -c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_85391 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_85391.dir/link.txt --verbose=1 /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCMAKE_HAVE_LIBC_PTHREAD -DNDEBUG CMakeFiles/cmTC_85391.dir/src.c.o -o cmTC_85391 make[2]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Source file was: #include void* test_func(void* data) { return data; } int main(void) { pthread_t thread; pthread_create(&thread, NULL, test_func, NULL); pthread_detach(thread); pthread_join(thread, NULL); pthread_atfork(NULL, NULL, NULL); pthread_exit(NULL); return 0; } Performing C SOURCE FILE Test COMPILER_HAS_HIDDEN_VISIBILITY succeeded with the following output: Change Dir: /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_6388f/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_6388f.dir/build.make CMakeFiles/cmTC_6388f.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_6388f.dir/src.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCOMPILER_HAS_HIDDEN_VISIBILITY -DNDEBUG -fvisibility=hidden -o CMakeFiles/cmTC_6388f.dir/src.c.o -c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c Linking C executable cmTC_6388f /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_6388f.dir/link.txt --verbose=1 /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCOMPILER_HAS_HIDDEN_VISIBILITY -DNDEBUG CMakeFiles/cmTC_6388f.dir/src.c.o -o cmTC_6388f make[2]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Source file was: int main(void) { return 0; } Performing C SOURCE FILE Test COMPILER_HAS_DEPRECATED_ATTR succeeded with the following output: Change Dir: /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make cmTC_7f5d4/fast && make[1]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_7f5d4.dir/build.make CMakeFiles/cmTC_7f5d4.dir/build make[2]: Entering directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_7f5d4.dir/src.c.o /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCOMPILER_HAS_DEPRECATED_ATTR -DNDEBUG -o CMakeFiles/cmTC_7f5d4.dir/src.c.o -c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c: In function 'main': /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c:2:5: warning: 'somefunc' is deprecated [-Wdeprecated-declarations] int main() { return somefunc();} ^~~ /tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp/src.c:1:37: note: declared here __attribute__((__deprecated__)) int somefunc() { return 0; } ^~~~~~~~ Linking C executable cmTC_7f5d4 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTC_7f5d4.dir/link.txt --verbose=1 /tmp/instance-1/output-1/host/bin/x86_64-linux-gcc --sysroot=/tmp/instance-1/output-1/host/x86_64-buildroot-linux-uclibc/sysroot -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -DCOMPILER_HAS_DEPRECATED_ATTR -DNDEBUG CMakeFiles/cmTC_7f5d4.dir/src.c.o -o cmTC_7f5d4 make[2]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' make[1]: Leaving directory '/tmp/instance-1/output-1/build/librtlsdr-d794155ba65796a76cd0a436f9709f4601509320/CMakeFiles/CMakeTmp' Source file was: __attribute__((__deprecated__)) int somefunc() { return 0; } int main() { return somefunc();}