X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fprereq.m4;h=f478a14d9f444f3e7b654d6b3065b7ddc255736b;hb=381b2b4eafe655cb3fcbe16f1f1944aa555a5c83;hp=122d69e0572677577d559e3730b9299fc5373708;hpb=06beba337eda16b125c79240de86b99ef4bf64d0;p=gnulib.git

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 122d69e05..f478a14d9 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,10 +1,11 @@
-#serial 4
+#serial 5
 
 dnl These are the prerequisite macros for files in the lib/
 dnl directories of the fileutils, sh-utils, and textutils packages.
 
 AC_DEFUN(jm_PREREQ,
 [
+  jm_PREREQ_ADDEXT
   jm_PREREQ_CANON_HOST
   jm_PREREQ_ERROR
   jm_PREREQ_QUOTEARG
@@ -12,6 +13,14 @@ AC_DEFUN(jm_PREREQ,
   jm_PREREQ_REGEX
 ])
 
+AC_DEFUN(jm_PREREQ_ADDEXT,
+[
+  dnl For addext.c.
+  AC_SYS_LONG_FILE_NAMES
+  AC_CHECK_FUNC(pathconf)
+  AC_CHECK_HEADERS(limits.h string.h unistd.h)
+])
+
 AC_DEFUN(jm_PREREQ_CANON_HOST,
 [
   dnl Add any libraries as early as possible.
@@ -30,7 +39,7 @@ AC_DEFUN(jm_PREREQ_CANON_HOST,
 AC_DEFUN(jm_PREREQ_QUOTEARG,
 [
   AC_CHECK_FUNCS(isascii mbrtowc)
-  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h)
+  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h wctype.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A
   AM_C_PROTOTYPES