package configuration for libffi is not found have_header: checking for ffi.h... -------------------- no "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -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 -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -o conftest.i" conftest.c:3:17: fatal error: ffi.h: Datei oder Verzeichnis nicht gefunden #include ^ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- find_header: checking for ffi.h in /usr/local/include,/usr/include/ffi... -------------------- no "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -o conftest.i" conftest.c:3:17: fatal error: ffi.h: Datei oder Verzeichnis nicht gefunden #include ^ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC -I/usr/local/include conftest.c -o conftest.i" conftest.c:3:17: fatal error: ffi.h: Datei oder Verzeichnis nicht gefunden #include ^ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC -I/usr/include/ffi conftest.c -o conftest.i" conftest.c:3:17: fatal error: ffi.h: Datei oder Verzeichnis nicht gefunden #include ^ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for shlwapi.h... -------------------- no "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -o conftest.i" conftest.c:3:21: fatal error: shlwapi.h: Datei oder Verzeichnis nicht gefunden #include ^ compilation terminated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_header: checking for ruby/thread.h... -------------------- yes "gcc -E -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -o conftest.i" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include /* end */ -------------------- have_func: checking for rb_thread_blocking_region()... -------------------- no "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" conftest.c: In function ‘t’: conftest.c:13:57: error: ‘rb_thread_blocking_region’ undeclared (first use in this function) int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_blocking_region; return !p; } ^ conftest.c:13:57: note: each undeclared identifier is reported only once for each function it appears in checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_blocking_region; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" /tmp/ccMCi6Wx.o: In Funktion `t': /home/nico/www/nicojensen.de/vendor/bundle/gems/ffi-1.10.0/ext/ffi_c/conftest.c:14: Nicht definierter Verweis auf `rb_thread_blocking_region' collect2: error: ld returned 1 exit status checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void rb_thread_blocking_region(); 14: int t(void) { rb_thread_blocking_region(); return 0; } /* end */ -------------------- have_func: checking for rb_thread_call_with_gvl()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" conftest.c: In function ‘t’: conftest.c:13:57: error: ‘rb_thread_call_with_gvl’ undeclared (first use in this function) int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_with_gvl; return !p; } ^ conftest.c:13:57: note: each undeclared identifier is reported only once for each function it appears in checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_with_gvl; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void rb_thread_call_with_gvl(); 14: int t(void) { rb_thread_call_with_gvl(); return 0; } /* end */ -------------------- have_func: checking for rb_thread_call_without_gvl()... -------------------- yes "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" conftest.c: In function ‘t’: conftest.c:13:57: error: ‘rb_thread_call_without_gvl’ undeclared (first use in this function) int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_without_gvl; return !p; } ^ conftest.c:13:57: note: each undeclared identifier is reported only once for each function it appears in checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: int t(void) { void ((*volatile p)()); p = (void ((*)()))rb_thread_call_without_gvl; return !p; } /* end */ "gcc -o conftest -I/usr/include/x86_64-linux-gnu/ruby-2.5.0 -I/usr/include/ruby-2.5.0/ruby/backward -I/usr/include/ruby-2.5.0 -I. -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -fPIC conftest.c -L. -L/usr/lib/x86_64-linux-gnu -L. -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now -fstack-protector -rdynamic -Wl,-export-dynamic -lruby-2.5 -lpthread -lgmp -ldl -lcrypt -lm -lc" checked program was: /* begin */ 1: #include "ruby.h" 2: 3: /*top*/ 4: extern int t(void); 5: int main(int argc, char **argv) 6: { 7: if (argc > 1000000) { 8: printf("%p", &t); 9: } 10: 11: return 0; 12: } 13: extern void rb_thread_call_without_gvl(); 14: int t(void) { rb_thread_call_without_gvl(); return 0; } /* end */ -------------------- extconf.h is: /* begin */ 1: #ifndef EXTCONF_H 2: #define EXTCONF_H 3: #define HAVE_RUBY_THREAD_H 1 4: #define HAVE_RB_THREAD_CALL_WITH_GVL 1 5: #define HAVE_RB_THREAD_CALL_WITHOUT_GVL 1 6: #define HAVE_FFI_PREP_CIF_VAR 1 7: #define USE_INTERNAL_LIBFFI 1 8: #define RUBY_1_9 1 9: #endif /* end */