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Diffstat (limited to 'm4/canonicalize-lgpl.m4')
| -rw-r--r-- | m4/canonicalize-lgpl.m4 | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/m4/canonicalize-lgpl.m4 b/m4/canonicalize-lgpl.m4 new file mode 100644 index 000000000..3a8ee2f95 --- /dev/null +++ b/m4/canonicalize-lgpl.m4 @@ -0,0 +1,35 @@ +# canonicalize-lgpl.m4 serial 5 +dnl Copyright (C) 2003, 2006-2007, 2009 Free Software Foundation, 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_CANONICALIZE_LGPL], +[ + dnl Do this replacement check manually because the file name is shorter + dnl than the function name. + AC_CHECK_DECLS_ONCE([canonicalize_file_name]) + AC_CHECK_FUNCS_ONCE([canonicalize_file_name]) + if test $ac_cv_func_canonicalize_file_name = no; then + AC_LIBOBJ([canonicalize-lgpl]) + AC_DEFINE([realpath], [rpl_realpath], + [Define to a replacement function name for realpath().]) + gl_PREREQ_CANONICALIZE_LGPL + fi +]) + +# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation +# (no AC_LIBOBJ). +AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE], +[ + AC_CHECK_DECLS_ONCE([canonicalize_file_name]) + AC_CHECK_FUNCS_ONCE([canonicalize_file_name]) + gl_PREREQ_CANONICALIZE_LGPL +]) + +# Prerequisites of lib/canonicalize-lgpl.c. +AC_DEFUN([gl_PREREQ_CANONICALIZE_LGPL], +[ + AC_CHECK_HEADERS_ONCE([sys/param.h unistd.h]) + AC_CHECK_FUNCS_ONCE([getcwd readlink]) +]) |