(jm_PREREQ): Add jm_PREREQ_XGETCWD.

(jm_PREREQ_XGETCWD): New macro.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index d1f8a1d4e882765cca81b4ac6103ffa274d18657..515449813cd4abaeefaa83e60188e18e25435a33 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -19,6 +19,7 @@ AC_DEFUN([jm_PREREQ],
   jm_PREREQ_READUTMP
   jm_PREREQ_REGEX
   jm_PREREQ_TEMPNAME # called by mkstemp
+  jm_PREREQ_XGETCWD
 ])
 
 AC_DEFUN([jm_PREREQ_ADDEXT],
@@ -139,3 +140,11 @@ AC_DEFUN([jm_PREREQ_TEMPNAME],
   AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
   AC_CHECK_FUNCS(__secure_getenv gettimeofday)
 ])
+
+AC_DEFUN([jm_PREREQ_XGETCWD],
+[
+  AC_C_PROTOTYPES
+  AC_CHECK_HEADERS(stdlib.h unistd.h)
+  AC_CHECK_FUNCS(getcwd)
+  AC_FUNC_GETCWD_NULL
+])