139 lines
4.9 KiB
Diff
139 lines
4.9 KiB
Diff
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diff -uNr gtk-3.22.30/m4/fcntl-o.m4 gtk-3.22.30.mod/m4/fcntl-o.m4
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--- gtk-3.22.30/m4/fcntl-o.m4 1970-01-01 03:00:00.000000000 +0300
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+++ gtk-3.22.30.mod/m4/fcntl-o.m4 2018-06-22 20:55:46.571292921 +0300
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@@ -0,0 +1,134 @@
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+# fcntl-o.m4 serial 4
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+dnl Copyright (C) 2006, 2009-2015 Free Software Foundation, Inc.
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+dnl This file is free software; the Free Software Foundation
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+dnl gives unlimited permission to copy and/or distribute it,
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+dnl with or without modifications, as long as this notice is preserved.
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+
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+dnl Written by Paul Eggert.
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+
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+# Test whether the flags O_NOATIME and O_NOFOLLOW actually work.
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+# Define HAVE_WORKING_O_NOATIME to 1 if O_NOATIME works, or to 0 otherwise.
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+# Define HAVE_WORKING_O_NOFOLLOW to 1 if O_NOFOLLOW works, or to 0 otherwise.
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+AC_DEFUN([gl_FCNTL_O_FLAGS],
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+[
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+ dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW.
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+ dnl AC_USE_SYSTEM_EXTENSIONS was introduced in autoconf 2.60 and obsoletes
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+ dnl AC_GNU_SOURCE.
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+ m4_ifdef([AC_USE_SYSTEM_EXTENSIONS],
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+ [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])],
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+ [AC_REQUIRE([AC_GNU_SOURCE])])
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+
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+ AC_CHECK_HEADERS_ONCE([unistd.h])
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+ AC_CHECK_FUNCS_ONCE([symlink])
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+ AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
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+ [AC_RUN_IFELSE(
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+ [AC_LANG_PROGRAM(
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+ [[#include <sys/types.h>
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+ #include <sys/stat.h>
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+ #if HAVE_UNISTD_H
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+ # include <unistd.h>
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+ #else /* on Windows with MSVC */
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+ # include <io.h>
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+ # include <stdlib.h>
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+ # defined sleep(n) _sleep ((n) * 1000)
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+ #endif
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+ #include <fcntl.h>
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+ #ifndef O_NOATIME
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+ #define O_NOATIME 0
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+ #endif
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+ #ifndef O_NOFOLLOW
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+ #define O_NOFOLLOW 0
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+ #endif
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+ static int const constants[] =
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+ {
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+ O_CREAT, O_EXCL, O_NOCTTY, O_TRUNC, O_APPEND,
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+ O_NONBLOCK, O_SYNC, O_ACCMODE, O_RDONLY, O_RDWR, O_WRONLY
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+ };
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+ ]],
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+ [[
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+ int result = !constants;
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+ #if HAVE_SYMLINK
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+ {
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+ static char const sym[] = "conftest.sym";
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+ if (symlink ("/dev/null", sym) != 0)
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+ result |= 2;
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+ else
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+ {
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+ int fd = open (sym, O_WRONLY | O_NOFOLLOW | O_CREAT, 0);
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+ if (fd >= 0)
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+ {
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+ close (fd);
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+ result |= 4;
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+ }
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+ }
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+ if (unlink (sym) != 0 || symlink (".", sym) != 0)
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+ result |= 2;
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+ else
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+ {
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+ int fd = open (sym, O_RDONLY | O_NOFOLLOW);
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+ if (fd >= 0)
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+ {
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+ close (fd);
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+ result |= 4;
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+ }
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+ }
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+ unlink (sym);
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+ }
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+ #endif
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+ {
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+ static char const file[] = "confdefs.h";
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+ int fd = open (file, O_RDONLY | O_NOATIME);
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+ if (fd < 0)
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+ result |= 8;
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+ else
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+ {
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+ struct stat st0;
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+ if (fstat (fd, &st0) != 0)
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+ result |= 16;
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+ else
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+ {
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+ char c;
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+ sleep (1);
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+ if (read (fd, &c, 1) != 1)
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+ result |= 24;
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+ else
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+ {
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+ if (close (fd) != 0)
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+ result |= 32;
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+ else
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+ {
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+ struct stat st1;
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+ if (stat (file, &st1) != 0)
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+ result |= 40;
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+ else
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+ if (st0.st_atime != st1.st_atime)
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+ result |= 64;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ return result;]])],
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+ [gl_cv_header_working_fcntl_h=yes],
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+ [case $? in #(
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+ 4) gl_cv_header_working_fcntl_h='no (bad O_NOFOLLOW)';; #(
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+ 64) gl_cv_header_working_fcntl_h='no (bad O_NOATIME)';; #(
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+ 68) gl_cv_header_working_fcntl_h='no (bad O_NOATIME, O_NOFOLLOW)';; #(
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+ *) gl_cv_header_working_fcntl_h='no';;
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+ esac],
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+ [gl_cv_header_working_fcntl_h=cross-compiling])])
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+
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+ case $gl_cv_header_working_fcntl_h in #(
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+ *O_NOATIME* | no | cross-compiling) ac_val=0;; #(
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+ *) ac_val=1;;
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+ esac
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+ AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOATIME], [$ac_val],
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+ [Define to 1 if O_NOATIME works.])
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+
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+ case $gl_cv_header_working_fcntl_h in #(
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+ *O_NOFOLLOW* | no | cross-compiling) ac_val=0;; #(
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+ *) ac_val=1;;
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+ esac
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+ AC_DEFINE_UNQUOTED([HAVE_WORKING_O_NOFOLLOW], [$ac_val],
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+ [Define to 1 if O_NOFOLLOW works.])
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+])
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