.

[gnulib.git] / m4 / prereq.m4

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 9734514..45e3efc 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,4 +1,4 @@
-#serial 12
+#serial 16
 
 dnl These are the prerequisite macros for files in the lib/
 dnl directories of the fileutils, sh-utils, and textutils packages.
@@ -10,8 +10,10 @@ AC_DEFUN(jm_PREREQ,
   jm_PREREQ_DIRNAME
   jm_PREREQ_ERROR
   jm_PREREQ_GETPAGESIZE
+  jm_PREREQ_HASH
   jm_PREREQ_HUMAN
   jm_PREREQ_MBSWIDTH
+  jm_PREREQ_MEMCHR
   jm_PREREQ_QUOTEARG
   jm_PREREQ_READUTMP
   jm_PREREQ_REGEX
@@ -46,6 +48,18 @@ AC_DEFUN(jm_PREREQ_DIRNAME,
   AC_CHECK_HEADERS(string.h)
 ])
 
+AC_DEFUN(jm_PREREQ_GETPAGESIZE,
+[
+  AC_CHECK_FUNCS(getpagesize)
+  AC_CHECK_HEADERS(OS.h unistd.h)
+])
+
+AC_DEFUN(jm_PREREQ_HASH,
+[
+  AC_CHECK_HEADERS(stdlib.h stdbool.h)
+  AC_REQUIRE([jm_CHECK_DECLS])
+])
+
 # If you use human.c, you need the following files:
 # uintmax_t.m4 inttypes_h.m4 ulonglong.m4
 AC_DEFUN(jm_PREREQ_HUMAN,
@@ -56,16 +70,15 @@ AC_DEFUN(jm_PREREQ_HUMAN,
   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
 ])
 
-AC_DEFUN(jm_PREREQ_GETPAGESIZE,
+AC_DEFUN(jm_PREREQ_MEMCHR,
 [
-  AC_CHECK_FUNCS(getpagesize)
-  AC_CHECK_HEADERS(OS.h unistd.h)
+  AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
 ])
 
 AC_DEFUN(jm_PREREQ_QUOTEARG,
 [
   AC_CHECK_FUNCS(isascii iswprint mbrtowc)
-  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h)
+  AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A
   AC_MBSTATE_T
@@ -85,7 +98,8 @@ AC_DEFUN(jm_PREREQ_READUTMP,
 $ac_includes_default
 #ifdef HAVE_UTMPX_H
 # include <utmpx.h>
-#else
+#endif
+#ifdef HAVE_UTMP_H
 # include <utmp.h>
 #endif
 "