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| author | Oliver Kiddle <opk@zsh.org> | 2014-11-30 23:33:19 +0100 |
|---|---|---|
| committer | Oliver Kiddle <opk@zsh.org> | 2014-11-30 23:33:30 +0100 |
| commit | 62aa03931753e532cbae0fa56725bb5e2a757dff (patch) | |
| tree | 12b2373c90553e939369e84db18fcc7de32575e5 /configure.ac | |
| parent | 40c5e00de09066916ef42067ae21e58a5268c647 (diff) | |
| download | zsh-62aa03931753e532cbae0fa56725bb5e2a757dff.tar.gz zsh-62aa03931753e532cbae0fa56725bb5e2a757dff.tar.xz zsh-62aa03931753e532cbae0fa56725bb5e2a757dff.zip | |
33820: detect support for realpath() with a NULL
argument and fixes to the use of it
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 |