renamed from inttypes_h.m4

[gnulib.git] / m4 / prereq.m4

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index d07d57b..b0142f3 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,18 +1,34 @@
-#serial 3
+#serial 20
 
 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,
+AC_DEFUN([jm_PREREQ],
 [
+  jm_PREREQ_ADDEXT
   jm_PREREQ_CANON_HOST
+  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
+  jm_PREREQ_TEMPNAME # called by mkstemp
 ])
 
-AC_DEFUN(jm_PREREQ_CANON_HOST,
+AC_DEFUN([jm_PREREQ_ADDEXT],
+[
+  dnl For addext.c.
+  AC_SYS_LONG_FILE_NAMES
+  AC_CHECK_FUNCS(pathconf)
+  AC_CHECK_HEADERS(limits.h string.h unistd.h)
+])
+
+AC_DEFUN([jm_PREREQ_CANON_HOST],
 [
   dnl Add any libraries as early as possible.
   dnl In particular, inet_ntoa needs -lnsl at least on Solaris5.5.1,
@@ -27,24 +43,79 @@ AC_DEFUN(jm_PREREQ_CANON_HOST,
                    netinet/in.h arpa/inet.h)
 ])
 
-AC_DEFUN(jm_PREREQ_QUOTEARG,
+AC_DEFUN([jm_PREREQ_DIRNAME],
+[
+  AC_HEADER_STDC
+  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],
+[
+  AC_CHECK_HEADERS(limits.h stdlib.h string.h)
+  AC_CHECK_DECLS([getenv])
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+])
+
+AC_DEFUN([jm_PREREQ_MEMCHR],
+[
+  AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
+])
+
+AC_DEFUN([jm_PREREQ_QUOTEARG],
 [
-  AC_CHECK_FUNCS(isascii mbrtowc)
-  AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h)
+  AC_CHECK_FUNCS(isascii iswprint)
+  jm_FUNC_MBRTOWC
+  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
   AM_C_PROTOTYPES
 ])
 
-AC_DEFUN(jm_PREREQ_READUTMP,
+AC_DEFUN([jm_PREREQ_READUTMP],
 [
   AC_HEADER_STDC
-  AC_CHECK_HEADERS(string.h utmpx.h sys/param.h)
+  AC_CHECK_HEADERS(string.h utmp.h utmpx.h sys/param.h)
   AC_CHECK_FUNCS(utmpname)
+  AC_CHECK_FUNCS(utmpxname)
   AM_C_PROTOTYPES
+
+  if test $ac_cv_header_utmp_h = yes || test $ac_cv_header_utmpx_h = yes; then
+    utmp_includes="\
+$ac_includes_default
+#ifdef HAVE_UTMPX_H
+# include <utmpx.h>
+#endif
+#ifdef HAVE_UTMP_H
+# include <utmp.h>
+#endif
+"
+    AC_CHECK_MEMBERS([struct utmpx.ut_user],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_user],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmpx.ut_name],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_name],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmpx.ut_type],,,[$utmp_includes])
+    AC_CHECK_MEMBERS([struct utmp.ut_type],,,[$utmp_includes])
+    AC_LIBOBJ(readutmp)
+  fi
 ])
 
-AC_DEFUN(jm_PREREQ_REGEX,
+AC_DEFUN([jm_PREREQ_REGEX],
 [
   dnl FIXME: Maybe provide a btowc replacement someday: solaris-2.5.1 lacks it.
   dnl FIXME: Check for wctype and iswctype, and and add -lw if necessary
@@ -54,3 +125,11 @@ AC_DEFUN(jm_PREREQ_REGEX,
   AC_HEADER_STDC
   AC_FUNC_ALLOCA
 ])
+
+AC_DEFUN([jm_PREREQ_TEMPNAME],
+[
+  AC_HEADER_STDC
+  AC_HEADER_STAT
+  AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
+  AC_CHECK_FUNCS(__secure_getenv gettimeofday)
+])