have_header: checking for sys/param.h... -------------------- yes

"gcc -o conftest -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC conftest.c  -L. -L../../.. -L. -fstack-protector -rdynamic -Wl,-export-dynamic     -Wl,-rpath,/usr/local/rvm/rubies/ruby-2.3.8/lib -L/usr/local/rvm/rubies/ruby-2.3.8/lib -lruby-static  -lpthread -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../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/param.h>
/* end */

--------------------

have_header: checking for sys/mount.h... -------------------- yes

"gcc -E -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/mount.h>
/* end */

--------------------

have_header: checking for sys/vfs.h... -------------------- yes

"gcc -E -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/vfs.h>
/* end */

--------------------

have_type: checking for struct statfs in sys/param.h,sys/mount.h,sys/vfs.h... -------------------- yes

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/param.h>
4: #include <sys/mount.h>
5: #include <sys/vfs.h>
6: 
7: /*top*/
8: typedef struct statfs conftest_type;
9: int conftestval[sizeof(conftest_type)?1:-1];
/* end */

--------------------

have_struct_member: checking for struct statfs.f_fstypename in sys/param.h,sys/mount.h,sys/vfs.h... -------------------- no

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
conftest.c:8:39: error: ‘struct statfs’ has no member named ‘f_fstypename’; did you mean ‘f_type’?
 int s = (char *)&((struct statfs*)0)->f_fstypename - (char *)0;
                                       ^~~~~~~~~~~~
                                       f_type
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/param.h>
 4: #include <sys/mount.h>
 5: #include <sys/vfs.h>
 6: 
 7: /*top*/
 8: int s = (char *)&((struct statfs*)0)->f_fstypename - (char *)0;
 9: int main(int argc, char **argv)
10: {
11:   return 0;
12: }
/* end */

--------------------

have_struct_member: checking for struct statfs.f_type in sys/param.h,sys/mount.h,sys/vfs.h... -------------------- yes

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/param.h>
 4: #include <sys/mount.h>
 5: #include <sys/vfs.h>
 6: 
 7: /*top*/
 8: int s = (char *)&((struct statfs*)0)->f_type - (char *)0;
 9: int main(int argc, char **argv)
10: {
11:   return 0;
12: }
/* end */

--------------------

have_struct_member: checking for struct statfs.f_flags in sys/param.h,sys/mount.h,sys/vfs.h... -------------------- yes

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/param.h>
 4: #include <sys/mount.h>
 5: #include <sys/vfs.h>
 6: 
 7: /*top*/
 8: int s = (char *)&((struct statfs*)0)->f_flags - (char *)0;
 9: int main(int argc, char **argv)
10: {
11:   return 0;
12: }
/* end */

--------------------

have_header: checking for sys/statvfs.h... -------------------- yes

"gcc -E -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/statvfs.h>
/* end */

--------------------

have_type: checking for struct statvfs in sys/statvfs.h... -------------------- yes

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <sys/statvfs.h>
4: 
5: /*top*/
6: typedef struct statvfs conftest_type;
7: int conftestval[sizeof(conftest_type)?1:-1];
/* end */

--------------------

have_struct_member: checking for struct statvfs.f_fstypename in sys/statvfs.h... -------------------- no

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
conftest.c:6:38: error: ‘struct statvfs’ has no member named ‘f_fstypename’
 int s = (char *)&((struct statvfs*)0)->f_fstypename - (char *)0;
                                      ^~
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/statvfs.h>
 4: 
 5: /*top*/
 6: int s = (char *)&((struct statvfs*)0)->f_fstypename - (char *)0;
 7: int main(int argc, char **argv)
 8: {
 9:   return 0;
10: }
/* end */

--------------------

have_struct_member: checking for struct statvfs.f_basetype in sys/statvfs.h... -------------------- no

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
conftest.c:6:40: error: ‘struct statvfs’ has no member named ‘f_basetype’; did you mean ‘f_bsize’?
 int s = (char *)&((struct statvfs*)0)->f_basetype - (char *)0;
                                        ^~~~~~~~~~
                                        f_bsize
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/statvfs.h>
 4: 
 5: /*top*/
 6: int s = (char *)&((struct statvfs*)0)->f_basetype - (char *)0;
 7: int main(int argc, char **argv)
 8: {
 9:   return 0;
10: }
/* end */

--------------------

have_struct_member: checking for struct statvfs.f_type in sys/statvfs.h... -------------------- no

"gcc -I../../../.ext/include/x86_64-linux -I../../.././include -I../../.././ext/-test-/file -I../../.. -I../../../.     -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wimplicit-function-declaration -Wdeprecated-declarations -Wno-packed-bitfield-compat  -fPIC   -c conftest.c"
conftest.c:6:38: error: ‘struct statvfs’ has no member named ‘f_type’
 int s = (char *)&((struct statvfs*)0)->f_type - (char *)0;
                                      ^~
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <sys/statvfs.h>
 4: 
 5: /*top*/
 6: int s = (char *)&((struct statvfs*)0)->f_type - (char *)0;
 7: int main(int argc, char **argv)
 8: {
 9:   return 0;
10: }
/* end */

--------------------

extconf.h is:
/* begin */
 1: #ifndef EXTCONF_H
 2: #define EXTCONF_H
 3: #define HAVE_SYS_PARAM_H 1
 4: #define HAVE_SYS_MOUNT_H 1
 5: #define HAVE_SYS_VFS_H 1
 6: #define HAVE_TYPE_STRUCT_STATFS 1
 7: #define HAVE_STRUCT_STATFS_F_TYPE 1
 8: #define HAVE_ST_F_TYPE 1
 9: #define HAVE_STRUCT_STATFS_F_FLAGS 1
10: #define HAVE_ST_F_FLAGS 1
11: #define HAVE_SYS_STATVFS_H 1
12: #define HAVE_TYPE_STRUCT_STATVFS 1
13: #define TEST_INIT_FUNCS(X) X(fs) X(stat)
14: #endif
/* end */