diff options
Diffstat (limited to 'gl/m4/strtok_r.m4')
-rw-r--r-- | gl/m4/strtok_r.m4 | 74 |
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], [ - : -]) |