pkgs/development/interpreters/guile/filter-mkostemp-darwin.patch

   1 Filter incompat. mkostemp(3) flags on macOS 10.12
   2
   3 macOS Sierra introduces a mkostemp(3) function which is used when
   4 present. Contrary to the GNUlib version of mkostemp(3) that was used
   5 previously, this version fails with 'invalid argument' when flags other
   6 than from a specified set are passed. From mktemp(3):
   7
   8 | The mkostemp() function is like mkstemp() but allows specifying
   9 | additional open(2) flags (defined in <fcntl.h>). The permitted flags
  10 | are O_APPEND, O_SHLOCK, O_EXLOCK and O_CLOEXEC.
  11
  12 Signed-off-by: Clemens Lang <cal@macports.org>
  13 Upstream-Status: Submitted [https://debbugs.gnu.org/cgi/bugreport.cgi?bug=24862#23]
  14 --- a/libguile/filesys.c.orig   2017-01-09 00:53:27.000000000 +0100
  15 +++ b/libguile/filesys.c        2017-01-09 00:54:48.000000000 +0100
  16 @@ -1486,6 +1486,12 @@
  17        mode_bits = scm_i_mode_bits (mode);
  18      }
  19
  20 +#ifdef __APPLE__
  21 +  /* macOS starting with 10.12 defines mkostemp(2) which is used if defined,
  22 +   * but only accepts some flags according to its manpage. It fails with
  23 +   * invalid argument when other flags are passed. */
  24 +  open_flags &= O_APPEND | O_SHLOCK | O_EXLOCK | O_CLOEXEC;
  25 +#endif
  26    SCM_SYSCALL (rv = mkostemp (c_tmpl, open_flags));
  27    if (rv == -1)
  28      SCM_SYSERROR;