Merge branch 'ss/compat-default-source-for-newer-gnu'

* ss/compat-default-source-for-newer-gnu:
compat-util: add _DEFAULT_SOURCE define

diff --combined git-compat-util.h
index 4e7e3f8726a26a1f7dfbb889fe3531d01d4419b9,fd165884f29d2c6d04a23cd2386eeafd6437f126..08a9ee2970aaef6f40fbb3c73f9c38ad176cf601
--- 1/git-compat-util.h
--- 2/git-compat-util.h
+++ b/git-compat-util.h
@@@ -82,6 -82,7 +82,7 @@@
  #define _ALL_SOURCE 1
  #define _GNU_SOURCE 1
  #define _BSD_SOURCE 1
+ #define _DEFAULT_SOURCE 1
  #define _NETBSD_SOURCE 1
  #define _SGI_SOURCE 1
  
@@@ -264,35 -265,19 +265,35 @@@ extern char *gitbasename(char *)
  #endif
  
  #ifndef has_dos_drive_prefix
 -#define has_dos_drive_prefix(path) 0
 +static inline int git_has_dos_drive_prefix(const char *path)
 +{
 +      return 0;
 +}
 +#define has_dos_drive_prefix git_has_dos_drive_prefix
  #endif
  
 -#ifndef offset_1st_component
 -#define offset_1st_component(path) (is_dir_sep((path)[0]))
 +#ifndef is_dir_sep
 +static inline int git_is_dir_sep(int c)
 +{
 +      return c == '/';
 +}
 +#define is_dir_sep git_is_dir_sep
  #endif
  
 -#ifndef is_dir_sep
 -#define is_dir_sep(c) ((c) == '/')
 +#ifndef offset_1st_component
 +static inline int git_offset_1st_component(const char *path)
 +{
 +      return is_dir_sep(path[0]);
 +}
 +#define offset_1st_component git_offset_1st_component
  #endif
  
  #ifndef find_last_dir_sep
 -#define find_last_dir_sep(path) strrchr(path, '/')
 +static inline char *git_find_last_dir_sep(const char *path)
 +{
 +      return strrchr(path, '/');
 +}
 +#define find_last_dir_sep git_find_last_dir_sep
  #endif
  
  #if defined(__HP_cc) && (__HP_cc >= 61000)
@@@ -609,7 -594,6 +610,7 @@@ extern try_to_free_t set_try_to_free_ro
  extern char *xstrdup(const char *str);
  extern void *xmalloc(size_t size);
  extern void *xmallocz(size_t size);
 +extern void *xmallocz_gently(size_t size);
  extern void *xmemdupz(const void *data, size_t len);
  extern char *xstrndup(const char *str, size_t len);
  extern void *xrealloc(void *ptr, size_t size);
@@@ -624,7 -608,6 +625,7 @@@ extern int xmkstemp(char *template)
  extern int xmkstemp_mode(char *template, int mode);
  extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
  extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
 +extern char *xgetcwd(void);
  
  static inline size_t xsize_t(off_t len)
  {