+ dnl Test for Solaris API (Solaris, Cygwin).
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([facl])
+ if test $ac_cv_func_facl = yes; then
+ AC_SEARCH_LIBS([acl_trivial], [sec],
+ [if test "$ac_cv_search_acl_trivial" != "none required"; then
+ LIB_ACL=$ac_cv_search_acl_trivial
+ fi
+ ])
+ AC_CHECK_FUNCS([acl_trivial])
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for HP-UX API.
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([getacl])
+ if test $ac_cv_func_getacl = yes; then
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for AIX API (AIX 5.3 or newer).
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([aclx_get])
+ if test $ac_cv_func_aclx_get = yes; then
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for older AIX API.
+ if test $use_acl = 0 || test "$ac_cv_func_aclx_get" = yes; then
+ AC_CHECK_FUNCS([statacl])
+ if test $ac_cv_func_statacl = yes; then
+ use_acl=1
+ fi
+ fi
+
+ dnl Test for NonStop Kernel API.
+ if test $use_acl = 0; then
+ AC_CHECK_FUNCS([aclsort])
+ if test $ac_cv_func_aclsort = yes; then
+ use_acl=1
+ fi
+ fi
+
+ LIBS=$ac_save_LIBS
+ fi
+ if test "x$enable_acl$use_acl" = "xyes0"; then
+ AC_MSG_ERROR([ACLs enabled but support not detected])
+ elif test "x$enable_acl$use_acl" = "xauto0"; then
+ AC_MSG_WARN([libacl development library was not found or not usable.])
+ AC_MSG_WARN([AC_PACKAGE_NAME will be built without ACL support.])
+ fi
+ fi
+ AC_SUBST([LIB_ACL])
+ AC_DEFINE_UNQUOTED([USE_ACL], [$use_acl],
+ [Define to nonzero if you want access control list support.])
+ USE_ACL=$use_acl
+ AC_SUBST([USE_ACL])
+])
+
+# gl_ACL_GET_FILE(IF-WORKS, IF-NOT)
+# -------------------------------------
+# If `acl_get_file' works (does not have a particular bug),
+# run IF-WORKS, otherwise, IF-NOT.
+# This tests for a Darwin 8.7.0 bug, whereby acl_get_file returns NULL,
+# but sets errno = ENOENT for an existing file or directory.
+AC_DEFUN([gl_ACL_GET_FILE],
+[
+ AC_CACHE_CHECK([for working acl_get_file], [gl_cv_func_working_acl_get_file],
+ [AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <sys/types.h>
+ #include <sys/acl.h>
+ #include <errno.h>
+ ]],
+ [[if (!acl_get_file (".", ACL_TYPE_ACCESS) && errno == ENOENT)
+ return 1;
+ return 0;
+ ]])],
+ [gl_cv_func_working_acl_get_file=yes],
+ [gl_cv_func_working_acl_get_file=no],
+ [gl_cv_func_working_acl_get_file=cross-compiling])])
+
+ AS_IF([test $gl_cv_func_working_acl_get_file = yes], [$1], [$2])
+])