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-rw-r--r--m4/prereq.m413
1 files changed, 12 insertions, 1 deletions
diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 16aa53a2e..65c2a767c 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 2
dnl These are the prerequisite macros for files in the lib/
dnl directories of the fileutils, sh-utils, and textutils packages.
@@ -6,4 +6,15 @@ dnl directories of the fileutils, sh-utils, and textutils packages.
AC_DEFUN(jm_PREREQ,
[
jm_PREREQ_ERROR
+ jm_PREREQ_REGEX
+])
+
+dnl FIXME: maybe put this in a separate file
+AC_DEFUN(jm_PREREQ_REGEX,
+[
+ dnl FIXME: maybe provide a btowc replacement someday
+ AC_CHECK_FUNCS(bzero bcopy isascii btowc)
+ AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
+ AC_HEADER_STDC
+ AC_FUNC_ALLOCA
])