have_func: checking for rb_enc_interned_str() in ruby.h... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return !!argv[argc]; 6: } /* end */ LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -lc" conftest.c: In function ‘t’: conftest.c:16:57: error: ‘rb_enc_interned_str’ undeclared (first use in this function); did you mean ‘rb_interned_str’? 16 | int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_enc_interned_str; return !p; } | ^~~~~~~~~~~~~~~~~~~ | rb_interned_str conftest.c:16:57: note: each undeclared identifier is reported only once for each function it appears in 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 !!argv[argc]; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_enc_interned_str; return !p; } /* end */ LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -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 !!argv[argc]; 15: } 16: extern void rb_enc_interned_str(); 17: int t(void) { rb_enc_interned_str(); return 0; } /* end */ -------------------- have_func: checking for rb_hash_new_capa() in ruby.h... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -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 !!argv[argc]; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_hash_new_capa; return !p; } /* end */ -------------------- have_func: checking for rb_hash_bulk_insert() in ruby.h... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -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 !!argv[argc]; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_hash_bulk_insert; return !p; } /* end */ -------------------- have_func: checking for rb_category_warn() in ruby.h... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -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 !!argv[argc]; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_category_warn; return !p; } /* end */ -------------------- have_func: checking for strnlen() in string.h... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector-strong -rdynamic -Wl,-export-dynamic -Wl,--no-as-needed -lruby-3.2 -lm -lpthread -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 !!argv[argc]; 15: } 16: int t(void) { void ((*volatile p)()); p = (void ((*)()))strnlen; return !p; } /* end */ -------------------- block in append_cflags: checking for whether -std=c99 is accepted as CFLAGS... -------------------- yes LD_LIBRARY_PATH=.:/usr/lib/x86_64-linux-gnu "x86_64-linux-gnu-gcc -I/usr/include/x86_64-linux-gnu/ruby-3.2.0 -I/usr/include/ruby-3.2.0/ruby/backward -I/usr/include/ruby-3.2.0 -I. -Wdate-time -D_FORTIFY_SOURCE=3 -g -O2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -ffile-prefix-map=BUILDDIR=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -fdebug-prefix-map=BUILDDIR=/usr/src/ruby3.2-3.2.3-1ubuntu0.24.04.8 -fPIC -std=c99 -Werror -c conftest.c" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return !!argv[argc]; 6: } /* end */ --------------------