diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 56c4cfb13..8ea9737c5 100644 --- a/configure.ac +++ b/configure.ac @@ -1302,6 +1302,23 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \ cygwin_conv_path) AC_FUNC_STRCOLL +AH_TEMPLATE([REALPATH_ACCEPTS_NULL], +[Define if realpath() accepts NULL as its second argument.]) +AC_CACHE_CHECK([if realpath accepts NULL], +zsh_cv_func_realpath_accepts_null, +[AC_RUN_IFELSE([AC_LANG_PROGRAM([ +#include <stdlib.h> +#include <limits.h> +],[ +exit(!realpath("/", (char*)0)); +])], +[zsh_cv_func_realpath_accepts_null=yes], +[zsh_cv_func_realpath_accepts_null=no], +[zsh_cv_func_realpath_accepts_null=$ac_cv_func_canonicalize_file_name])]) +if test x$zsh_cv_func_realpath_accepts_null = xyes; then + AC_DEFINE(REALPATH_ACCEPTS_NULL) +fi + if test x$enable_cap = xyes; then AC_CHECK_FUNCS(cap_get_proc) fi |