Determining if the include file dlfcn.h exists failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_52910/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_52910.dir/build.make CMakeFiles/cmTC_52910.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_52910.dir/CheckIncludeFile.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_52910.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckIncludeFile.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: dlfcn.h: No such file or directory 1 | #include | ^~~~~~~~~ compilation terminated. CMakeFiles/cmTC_52910.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_52910.dir/CheckIncludeFile.c.o' failed make[2]: *** [CMakeFiles/cmTC_52910.dir/CheckIncludeFile.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_52910/fast' failed make[1]: *** [cmTC_52910/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Determining if the include file xlocale.h exists failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_679f5/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_679f5.dir/build.make CMakeFiles/cmTC_679f5.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_679f5.dir/CheckIncludeFile.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_679f5.dir/CheckIncludeFile.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckIncludeFile.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckIncludeFile.c:1:10: fatal error: xlocale.h: No such file or directory 1 | #include | ^~~~~~~~~~~ compilation terminated. CMakeFiles/cmTC_679f5.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_679f5.dir/CheckIncludeFile.c.o' failed make[2]: *** [CMakeFiles/cmTC_679f5.dir/CheckIncludeFile.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_679f5/fast' failed make[1]: *** [cmTC_679f5/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Determining if the _isnan exist failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_c2510/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_c2510.dir/build.make CMakeFiles/cmTC_c2510.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_c2510.dir/CheckSymbolExists.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_c2510.dir/CheckSymbolExists.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: '_isnan' undeclared (first use in this function) 8 | return ((int*)(&_isnan))[argc]; | ^~~~~~ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in CMakeFiles/cmTC_c2510.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_c2510.dir/CheckSymbolExists.c.o' failed make[2]: *** [CMakeFiles/cmTC_c2510.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_c2510/fast' failed make[1]: *** [cmTC_c2510/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' File /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef _isnan return ((int*)(&_isnan))[argc]; #else (void)argc; return 0; #endif } Determining if the _finite exist failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_bde38/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_bde38.dir/build.make CMakeFiles/cmTC_bde38.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_bde38.dir/CheckSymbolExists.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_bde38.dir/CheckSymbolExists.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: '_finite' undeclared (first use in this function) 8 | return ((int*)(&_finite))[argc]; | ^~~~~~~ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in CMakeFiles/cmTC_bde38.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_bde38.dir/CheckSymbolExists.c.o' failed make[2]: *** [CMakeFiles/cmTC_bde38.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_bde38/fast' failed make[1]: *** [cmTC_bde38/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' File /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef _finite return ((int*)(&_finite))[argc]; #else (void)argc; return 0; #endif } Determining if the _doprnt exist failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_18f83/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_18f83.dir/build.make CMakeFiles/cmTC_18f83.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_18f83.dir/CheckSymbolExists.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_18f83.dir/CheckSymbolExists.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: '_doprnt' undeclared (first use in this function) 8 | return ((int*)(&_doprnt))[argc]; | ^~~~~~~ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in CMakeFiles/cmTC_18f83.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_18f83.dir/CheckSymbolExists.c.o' failed make[2]: *** [CMakeFiles/cmTC_18f83.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_18f83/fast' failed make[1]: *** [cmTC_18f83/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' File /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef _doprnt return ((int*)(&_doprnt))[argc]; #else (void)argc; return 0; #endif } Determining if the arc4random exist failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_5c705/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_5c705.dir/build.make CMakeFiles/cmTC_5c705.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_5c705.dir/CheckSymbolExists.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_5c705.dir/CheckSymbolExists.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'arc4random' undeclared (first use in this function); did you mean 'srandom'? 8 | return ((int*)(&arc4random))[argc]; | ^~~~~~~~~~ | srandom /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in CMakeFiles/cmTC_5c705.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_5c705.dir/CheckSymbolExists.c.o' failed make[2]: *** [CMakeFiles/cmTC_5c705.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_5c705/fast' failed make[1]: *** [cmTC_5c705/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' File /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef arc4random return ((int*)(&arc4random))[argc]; #else (void)argc; return 0; #endif } Determining if the uselocale exist failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_3f13c/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_3f13c.dir/build.make CMakeFiles/cmTC_3f13c.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_3f13c.dir/CheckSymbolExists.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_3f13c.dir/CheckSymbolExists.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: In function 'main': /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: error: 'uselocale' undeclared (first use in this function); did you mean 'setlocale'? 8 | return ((int*)(&uselocale))[argc]; | ^~~~~~~~~ | setlocale /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c:8:19: note: each undeclared identifier is reported only once for each function it appears in CMakeFiles/cmTC_3f13c.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_3f13c.dir/CheckSymbolExists.c.o' failed make[2]: *** [CMakeFiles/cmTC_3f13c.dir/CheckSymbolExists.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_3f13c/fast' failed make[1]: *** [cmTC_3f13c/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' File /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/CheckSymbolExists.c: /* */ #include int main(int argc, char** argv) { (void)argv; #ifndef uselocale return ((int*)(&uselocale))[argc]; #else (void)argc; return 0; #endif } Performing C SOURCE FILE Test HAS_GNU_WARNING_LONG failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_729d9/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_729d9.dir/build.make CMakeFiles/cmTC_729d9.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_729d9.dir/src.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -DHAS_GNU_WARNING_LONG -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -DNDEBUG -fPIE -o CMakeFiles/cmTC_729d9.dir/src.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:3:9: warning: missing terminating " character 3 | __asm__(".section .gnu.json_object_get | ^ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:3:9: error: missing terminating " character 3 | __asm__(".section .gnu.json_object_get | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:4:9: error: expected string literal before '.' token 4 | .ascii "Please link against libjson-c instead of libjson" | ^ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:5:14: warning: missing terminating " character 5 | .text"); | ^ /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:5:14: error: missing terminating " character 5 | .text"); | ^~~ CMakeFiles/cmTC_729d9.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_729d9.dir/src.c.o' failed make[2]: *** [CMakeFiles/cmTC_729d9.dir/src.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_729d9/fast' failed make[1]: *** [cmTC_729d9/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Source file was: extern void json_object_get(); __asm__(".section .gnu.json_object_get .ascii "Please link against libjson-c instead of libjson" .text"); int main(int c, char *v) { return 0;} Performing C SOURCE FILE Test REENTRANT_WORKS failed with the following output: Change Dir: /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp Run Build Command(s):/usr/bin/make -f Makefile cmTC_a805c/fast && make[1]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' /usr/bin/make -f CMakeFiles/cmTC_a805c.dir/build.make CMakeFiles/cmTC_a805c.dir/build make[2]: Entering directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Building C object CMakeFiles/cmTC_a805c.dir/src.c.o /home/buildroot/autobuild/instance-0/output-1/host/bin/riscv64-buildroot-linux-uclibc-gcc --sysroot=/home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot -DREENTRANT_WORKS -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -fPIC -Wl,-elf2flt=-r -static -ffunction-sections -fdata-sections -Werror -Wall -Wcast-qual -Wno-error=deprecated-declarations -Wextra -Wwrite-strings -Wno-unused-parameter -Wstrict-prototypes -DNDEBUG -fPIE -o CMakeFiles/cmTC_a805c.dir/src.c.o -c /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c In file included from /home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot/usr/include/sys/types.h:26, from /home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp/src.c:4: /home/buildroot/autobuild/instance-0/output-1/host/riscv64-buildroot-linux-uclibc/sysroot/usr/include/features.h:218:5: error: #warning requested reentrant code, but thread support was disabled [-Werror=cpp] 218 | # warning requested reentrant code, but thread support was disabled | ^~~~~~~ cc1: all warnings being treated as errors CMakeFiles/cmTC_a805c.dir/build.make:77: recipe for target 'CMakeFiles/cmTC_a805c.dir/src.c.o' failed make[2]: *** [CMakeFiles/cmTC_a805c.dir/src.c.o] Error 1 make[2]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Makefile:127: recipe for target 'cmTC_a805c/fast' failed make[1]: *** [cmTC_a805c/fast] Error 2 make[1]: Leaving directory '/home/buildroot/autobuild/instance-0/output-1/build/json-c-0.16/CMakeFiles/CMakeTmp' Source file was: /* uClibc toolchains without threading barf when _REENTRANT is defined */ #define _REENTRANT 1 #include int main (void) { return 0; }