X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fprereq.m4;h=b0142f34380055c9564b85c927adcd4b866796ae;hb=b2227080c74868dffbca68f4e88dec0906a03d96;hp=65c2a767ca8ddd70ece1204e98e86d44167b607b;hpb=ce34520755a9ad893fbae2def445a9444a12a12c;p=gnulib.git

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 65c2a767c..b0142f343 100644
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,20 +1,135 @@
-#serial 2
+#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
 ])
 
-dnl FIXME: maybe put this in a separate file
-AC_DEFUN(jm_PREREQ_REGEX,
+AC_DEFUN([jm_PREREQ_ADDEXT],
 [
-  dnl FIXME: maybe provide a btowc replacement someday
+  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,
+  dnl so we have to add -lnsl to LIBS before checking for that function.
+  AC_SEARCH_LIBS(gethostbyname, [inet nsl])
+
+  dnl These come from -lnsl on Solaris5.5.1.
+  AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
+
+  AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
+  AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
+                   netinet/in.h arpa/inet.h)
+])
+
+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 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_HEADER_STDC
+  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],
+[
+  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
+  dnl to get them.
   AC_CHECK_FUNCS(bzero bcopy isascii btowc)
   AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
   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)
+])