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-rw-r--r--gl/m4/strtok_r.m474
1 files changed, 0 insertions, 74 deletions
diff --git a/gl/m4/strtok_r.m4 b/gl/m4/strtok_r.m4
deleted file mode 100644
index d010307bbc..0000000000
--- a/gl/m4/strtok_r.m4
+++ /dev/null
@@ -1,74 +0,0 @@
-# strtok_r.m4 serial 13
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2016 Free Software Foundation,
-dnl Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-AC_DEFUN([gl_FUNC_STRTOK_R],
-[
- dnl The strtok_r() declaration in lib/string.in.h uses 'restrict'.
- AC_REQUIRE([AC_C_RESTRICT])
-
- AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- AC_CHECK_FUNCS([strtok_r])
- if test $ac_cv_func_strtok_r = yes; then
- HAVE_STRTOK_R=1
- dnl glibc 2.7 has a bug in strtok_r that causes a segmentation fault
- dnl when the second argument to strtok_r is a constant string that has
- dnl exactly one byte and compiling with optimization. This bug is, for
- dnl example, present in the glibc 2.7-18 package in Debian "lenny".
- dnl See <http://sources.redhat.com/bugzilla/show_bug.cgi?id=5614>.
- AC_CACHE_CHECK([whether strtok_r works], [gl_cv_func_strtok_r_works],
- [AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([[
- #ifndef __OPTIMIZE__
- # define __OPTIMIZE__ 1
- #endif
- #undef __OPTIMIZE_SIZE__
- #undef __NO_INLINE__
- #include <stdlib.h>
- #include <string.h>
- ]],
- [[static const char dummy[] = "\177\01a";
- char delimiters[] = "xxxxxxxx";
- char *save_ptr = (char *) dummy;
- strtok_r (delimiters, "x", &save_ptr);
- strtok_r (NULL, "x", &save_ptr);
- return 0;
- ]])
- ],
- [gl_cv_func_strtok_r_works=yes],
- [gl_cv_func_strtok_r_works=no],
- [
-changequote(,)dnl
- case "$host_os" in
- # Guess no on glibc systems.
- *-gnu*) gl_cv_func_strtok_r_works="guessing no";;
- *) gl_cv_func_strtok_r_works="guessing yes";;
- esac
-changequote([,])dnl
- ])
- ])
- case "$gl_cv_func_strtok_r_works" in
- *no)
- dnl We could set REPLACE_STRTOK_R=1 here, but it's only the macro
- dnl version in <bits/string2.h> which is wrong. The code compiled
- dnl into libc is fine.
- UNDEFINE_STRTOK_R=1
- ;;
- esac
- else
- HAVE_STRTOK_R=0
- fi
- AC_CHECK_DECLS_ONCE([strtok_r])
- if test $ac_cv_have_decl_strtok_r = no; then
- HAVE_DECL_STRTOK_R=0
- fi
-])
-
-# Prerequisites of lib/strtok_r.c.
-AC_DEFUN([gl_PREREQ_STRTOK_R], [
- :
-])