su doesn't work on Solaris2.6.

[gnulib.git] / m4 / check-decl.m4

diff --git a/m4/check-decl.m4 b/m4/check-decl.m4
index 45dfc5d..e301e44 100644 (file)
--- a/m4/check-decl.m4
+++ b/m4/check-decl.m4
@@ -1,4 +1,4 @@
-#serial 9
+#serial 11
 
 dnl This is just a wrapper function to encapsulate this kludge.
 dnl Putting it in a separate file like this helps share it between
@@ -37,6 +37,10 @@ AC_DEFUN(jm_CHECK_DECLS,
 #  include <time.h>
 # endif
 #endif
+
+#if !HAVE_UTMPX_H
+# include <utmp.h>
+#endif
 '
 
   AC_CHECK_DECLS((
@@ -44,12 +48,14 @@ AC_DEFUN(jm_CHECK_DECLS,
     getenv,
     geteuid,
     getlogin,
+    getutent,
     lseek,
     malloc,
     memchr,
     nanosleep,
     realloc,
     stpcpy,
+    strndup,
     strstr,
     strtoul,
     strtoull,
@@ -61,5 +67,6 @@ dnl This is a little helper so we can require these header checks.
 AC_DEFUN(_jm_DECL_HEADERS,
 [
   AC_REQUIRE([AC_HEADER_STDC])
-  AC_CHECK_HEADERS(memory.h string.h strings.h stdlib.h unistd.h sys/time.h)
+  AC_CHECK_HEADERS(memory.h string.h strings.h stdlib.h unistd.h sys/time.h \
+                   utmpx.h)
 ])