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author | Daniel Colascione <dancol@dancol.org> | 2019-06-23 18:19:08 -0700 |
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committer | Daniel Colascione <dancol@dancol.org> | 2019-06-23 18:19:08 -0700 |
commit | b9ac4f815ebaa1acb0d045fe9583f665efa6f628 (patch) | |
tree | f2bfcf685bb9f83a67c5f70fe8e4f65ef16d8690 /m4/pathmax.m4 | |
parent | f3b1b5fb5034de026adc41cf2403cff42f4a0b67 (diff) | |
download | emacs-b9ac4f815ebaa1acb0d045fe9583f665efa6f628.tar.gz |
Fix locating pdump by symlink
* admin/merge-gnulib (GNULIB_MODULES): Add canonicalize-lgpl module
* build-aux/config.guess, build-aux/gitlog-to-changelog,
build-aux/update-copyright, lib/canonicalize-lgpl.c,
lib/gnulib.mk.in, lib/malloca.c, lib/malloca.h, lib/pathmax.h,
m4/canonicalize.m4, m4/double-slash-root.m4, m4/gnulib-comp.m4,
m4/malloca.m4, my/pathmax.4: copy from GNUlib or regenerate from
update
* src/emacs.c: find dump by canonical path
Diffstat (limited to 'm4/pathmax.m4')
-rw-r--r-- | m4/pathmax.m4 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/m4/pathmax.m4 b/m4/pathmax.m4 new file mode 100644 index 00000000000..0770aca3aac --- /dev/null +++ b/m4/pathmax.m4 @@ -0,0 +1,42 @@ +# pathmax.m4 serial 11 +dnl Copyright (C) 2002-2003, 2005-2006, 2009-2019 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_PATHMAX], +[ + dnl Prerequisites of lib/pathmax.h. + AC_CHECK_HEADERS_ONCE([sys/param.h]) +]) + +# Expands to a piece of C program that defines PATH_MAX in the same way as +# "pathmax.h" will do. +AC_DEFUN([gl_PATHMAX_SNIPPET], [[ +/* Arrange to define PATH_MAX, like "pathmax.h" does. */ +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +#include <limits.h> +#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN +# include <sys/param.h> +#endif +#if !defined PATH_MAX && defined MAXPATHLEN +# define PATH_MAX MAXPATHLEN +#endif +#ifdef __hpux +# undef PATH_MAX +# define PATH_MAX 1024 +#endif +#if defined _WIN32 && ! defined __CYGWIN__ +# undef PATH_MAX +# define PATH_MAX 260 +#endif +]]) + +# Prerequisites of gl_PATHMAX_SNIPPET. +AC_DEFUN([gl_PATHMAX_SNIPPET_PREREQ], +[ + AC_CHECK_HEADERS_ONCE([unistd.h sys/param.h]) +]) |