have_builtin_func: checking for __builtin_clz()... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: } /* end */ "gcc -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC -c conftest.c" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int foo; 4: int main() { __builtin_clz(0); return 0; } /* end */ -------------------- have_builtin_func: checking for __builtin_clzl()... -------------------- yes "gcc -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC -c conftest.c" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int foo; 4: int main() { __builtin_clzl(0); return 0; } /* end */ -------------------- have_builtin_func: checking for __builtin_clzll()... -------------------- yes "gcc -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC -c conftest.c" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int foo; 4: int main() { __builtin_clzll(0); return 0; } /* end */ -------------------- have_header: checking for float.h... -------------------- yes "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for math.h... -------------------- yes "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for stdbool.h... -------------------- yes "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for stdlib.h... -------------------- yes "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for x86intrin.h... -------------------- yes "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_func: checking for _lzcnt_u32() in x86intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" /usr/bin/ld: /tmp/ccvdnwAq.o: in function `t': /home/circleci/project/bindings/ruby/src/vendor/bundle/ruby/2.6.0/gems/bigdecimal-3.1.8/ext/bigdecimal/conftest.c:16: undefined reference to `_lzcnt_u32' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))_lzcnt_u32; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:16:13: error: conflicting types for ‘_lzcnt_u32’ 16 | extern void _lzcnt_u32(); | ^~~~~~~~~~ In file included from /usr/lib/gcc/x86_64-linux-gnu/9/include/immintrin.h:101, from /usr/lib/gcc/x86_64-linux-gnu/9/include/x86intrin.h:32, from conftest.c:3: /usr/lib/gcc/x86_64-linux-gnu/9/include/lzcntintrin.h:51:1: note: previous definition of ‘_lzcnt_u32’ was here 51 | _lzcnt_u32 (unsigned int __X) | ^~~~~~~~~~ cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void _lzcnt_u32(); 17: int t(void) { _lzcnt_u32(); return 0; } /* end */ -------------------- have_func: checking for _lzcnt_u64() in x86intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" /usr/bin/ld: /tmp/ccAZ9i7H.o: in function `t': /home/circleci/project/bindings/ruby/src/vendor/bundle/ruby/2.6.0/gems/bigdecimal-3.1.8/ext/bigdecimal/conftest.c:16: undefined reference to `_lzcnt_u64' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))_lzcnt_u64; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:16:13: error: conflicting types for ‘_lzcnt_u64’ 16 | extern void _lzcnt_u64(); | ^~~~~~~~~~ In file included from /usr/lib/gcc/x86_64-linux-gnu/9/include/immintrin.h:101, from /usr/lib/gcc/x86_64-linux-gnu/9/include/x86intrin.h:32, from conftest.c:3: /usr/lib/gcc/x86_64-linux-gnu/9/include/lzcntintrin.h:64:1: note: previous definition of ‘_lzcnt_u64’ was here 64 | _lzcnt_u64 (unsigned long long __X) | ^~~~~~~~~~ cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void _lzcnt_u64(); 17: int t(void) { _lzcnt_u64(); return 0; } /* end */ -------------------- have_header: checking for intrin.h... -------------------- no "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_func: checking for __lzcnt() in intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))__lzcnt; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void __lzcnt(); 17: int t(void) { __lzcnt(); return 0; } /* end */ -------------------- have_func: checking for __lzcnt64() in intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))__lzcnt64; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void __lzcnt64(); 17: int t(void) { __lzcnt64(); return 0; } /* end */ -------------------- have_func: checking for _BitScanReverse() in intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))_BitScanReverse; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void _BitScanReverse(); 17: int t(void) { _BitScanReverse(); return 0; } /* end */ -------------------- have_func: checking for _BitScanReverse64() in intrin.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))_BitScanReverse64; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c:3:10: fatal error: intrin.h: No such file or directory 3 | #include | ^~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void _BitScanReverse64(); 17: int t(void) { _BitScanReverse64(); return 0; } /* end */ -------------------- have_func: checking for labs() in stdlib.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))labs; return !p; } /* end */ -------------------- have_func: checking for llabs() in stdlib.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))llabs; return !p; } /* end */ -------------------- have_func: checking for finite() in math.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))finite; return !p; } /* end */ -------------------- have_func: checking for isfinite() in math.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c: In function ‘t’: conftest.c:16:57: error: ‘isfinite’ undeclared (first use in this function); did you mean ‘finite’? 16 | int t(void) { void ((*volatile p)()); p = (void ((*)()))isfinite; return !p; } | ^~~~~~~~ | finite conftest.c:16:57: note: each undeclared identifier is reported only once for each function it appears in conftest.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))isfinite; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" /usr/bin/ld: /tmp/ccRdzIsm.o: in function `t': /home/circleci/project/bindings/ruby/src/vendor/bundle/ruby/2.6.0/gems/bigdecimal-3.1.8/ext/bigdecimal/conftest.c:17: undefined reference to `__builtin_isfinite' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void isfinite(); 17: int t(void) { isfinite(); return 0; } /* end */ -------------------- have_header: checking for ruby/atomic.h... -------------------- no "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" conftest.c:3:10: fatal error: ruby/atomic.h: No such file or directory 3 | #include | ^~~~~~~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for ruby/internal/has/builtin.h... -------------------- no "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" conftest.c:3:10: fatal error: ruby/internal/has/builtin.h: No such file or directory 3 | #include | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for ruby/internal/static_assert.h... -------------------- no "gcc -E -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -o conftest.i" conftest.c:3:10: fatal error: ruby/internal/static_assert.h: No such file or directory 3 | #include | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_func: checking for rb_rational_num() in ruby.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_rational_num; return !p; } /* end */ -------------------- have_func: checking for rb_rational_den() in ruby.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_rational_den; return !p; } /* end */ -------------------- have_func: checking for rb_complex_real() in ruby.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_complex_real; return !p; } /* end */ -------------------- have_func: checking for rb_complex_imag() in ruby.h... -------------------- yes "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_complex_imag; return !p; } /* end */ -------------------- have_func: checking for rb_opts_exception_p() in ruby.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c: In function ‘t’: conftest.c:16:57: error: ‘rb_opts_exception_p’ undeclared (first use in this function); did you mean ‘rb_make_exception’? 16 | int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_opts_exception_p; return !p; } | ^~~~~~~~~~~~~~~~~~~ | rb_make_exception conftest.c:16:57: note: each undeclared identifier is reported only once for each function it appears in conftest.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_opts_exception_p; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" /usr/bin/ld: /tmp/ccjpy2K1.o: in function `t': /home/circleci/project/bindings/ruby/src/vendor/bundle/ruby/2.6.0/gems/bigdecimal-3.1.8/ext/bigdecimal/conftest.c:17: undefined reference to `rb_opts_exception_p' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void rb_opts_exception_p(); 17: int t(void) { rb_opts_exception_p(); return 0; } /* end */ -------------------- have_func: checking for rb_category_warn() in ruby.h... -------------------- no "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" conftest.c: In function ‘t’: conftest.c:16:57: error: ‘rb_category_warn’ undeclared (first use in this function) 16 | int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_category_warn; return !p; } | ^~~~~~~~~~~~~~~~ conftest.c:16:57: note: each undeclared identifier is reported only once for each function it appears in conftest.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_category_warn; return !p; } /* end */ "gcc -o conftest -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC conftest.c -L. -L/usr/local/lib -Wl,-rpath,/usr/local/lib -L. -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,-rpath,/usr/local/lib -L/usr/local/lib -lruby -lm -lc" /usr/bin/ld: /tmp/cc3u5nRR.o: in function `t': /home/circleci/project/bindings/ruby/src/vendor/bundle/ruby/2.6.0/gems/bigdecimal-3.1.8/ext/bigdecimal/conftest.c:17: undefined reference to `rb_category_warn' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: extern int t(void); 7: int main(int argc, char **argv) 8: { 9: if (argc > 1000000) { 10: int (* volatile tp)(void)=(int (*)(void))&t; 11: printf("%d", (*tp)()); 12: } 13: 14: return 0; 15: } 16: extern void rb_category_warn(); 17: int t(void) { rb_category_warn(); return 0; } /* end */ -------------------- have_const: checking for RB_WARN_CATEGORY_DEPRECATED in ruby.h... -------------------- no "gcc -I/usr/local/include/ruby-2.6.0/x86_64-linux -I/usr/local/include/ruby-2.6.0/ruby/backward -I/usr/local/include/ruby-2.6.0 -I. -O3 -ggdb3 -Wall -Wextra -Wdeclaration-after-statement -Wdeprecated-declarations -Wduplicated-cond -Wimplicit-function-declaration -Wimplicit-int -Wmisleading-indentation -Wpointer-arith -Wrestrict -Wwrite-strings -Wimplicit-fallthrough=0 -Wmissing-noreturn -Wno-cast-function-type -Wno-constant-logical-operand -Wno-long-long -Wno-missing-field-initializers -Wno-overlength-strings -Wno-packed-bitfield-compat -Wno-parentheses-equality -Wno-self-assign -Wno-tautological-compare -Wno-unused-parameter -Wno-unused-value -Wsuggest-attribute=format -Wsuggest-attribute=noreturn -Wunused-variable -fPIC -c conftest.c" conftest.c:7:34: error: ‘RB_WARN_CATEGORY_DEPRECATED’ undeclared here (not in a function) 7 | conftest_type conftestval = (int)RB_WARN_CATEGORY_DEPRECATED; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: warning: unrecognized command line option ‘-Wno-self-assign’ cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’ cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’ checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include 4: 5: /*top*/ 6: typedef int conftest_type; 7: conftest_type conftestval = (int)RB_WARN_CATEGORY_DEPRECATED; /* end */ --------------------