Check for help2man.

[gnulib.git] / m4 / jm-macros.m4

diff --git a/m4/jm-macros.m4 b/m4/jm-macros.m4
index 8f15520..53a0a8b 100644 (file)
--- a/m4/jm-macros.m4
+++ b/m4/jm-macros.m4
@@ -1,16 +1,17 @@
-#serial 25
+#serial 39   -*- autoconf -*-
 
 dnl Misc type-related macros for fileutils, sh-utils, textutils.
 
-AC_DEFUN(jm_MACROS,
+AC_DEFUN([jm_MACROS],
 [
-  AC_PREREQ(2.14a)
+  AC_PREREQ(2.52)
 
   GNU_PACKAGE="GNU $PACKAGE"
   AC_DEFINE_UNQUOTED(GNU_PACKAGE, "$GNU_PACKAGE",
     [The concatenation of the strings `GNU ', and PACKAGE.])
   AC_SUBST(GNU_PACKAGE)
 
+  AM_MISSING_PROG(HELP2MAN, help2man)
   AC_SUBST(OPTIONAL_BIN_PROGS)
   AC_SUBST(OPTIONAL_BIN_ZCRIPTS)
   AC_SUBST(MAN)
@@ -19,49 +20,12 @@ AC_DEFUN(jm_MACROS,
   dnl This macro actually runs replacement code.  See isc-posix.m4.
   AC_REQUIRE([AC_ISC_POSIX])dnl
 
-  AC_CHECK_HEADERS( \
-    errno.h  \
-    fcntl.h \
-    fenv.h \
-    float.h \
-    limits.h \
-    memory.h \
-    mntent.h \
-    mnttab.h \
-    netdb.h \
-    paths.h \
-    stdlib.h \
-    stddef.h \
-    string.h \
-    sys/acl.h \
-    sys/filsys.h \
-    sys/fs/s5param.h \
-    sys/fs_types.h \
-    sys/fstyp.h \
-    sys/ioctl.h \
-    sys/mntent.h \
-    sys/mount.h \
-    sys/param.h \
-    sys/socket.h \
-    sys/statfs.h \
-    sys/statvfs.h \
-    sys/systeminfo.h \
-    sys/time.h \
-    sys/timeb.h \
-    sys/vfs.h \
-    sys/wait.h \
-    syslog.h \
-    termios.h \
-    unistd.h \
-    utime.h \
-    values.h \
-  )
-
+  jm_CHECK_ALL_TYPES
   jm_INCLUDED_REGEX([lib/regex.c])
 
+  AC_REQUIRE([UTILS_HOST_OS])
   AC_REQUIRE([jm_BISON])
   AC_REQUIRE([jm_ASSERT])
-  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
   AC_REQUIRE([jm_CHECK_TYPE_STRUCT_UTIMBUF])
   AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])
   AC_REQUIRE([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO])
@@ -88,6 +52,7 @@ AC_DEFUN(jm_MACROS,
   AC_REQUIRE([jm_FUNC_PUTENV])
   AC_REQUIRE([jm_AFS])
   AC_REQUIRE([jm_AC_PREREQ_XSTRTOUMAX])
+  AC_REQUIRE([jm_AC_PREREQ_XSTRTOIMAX])
   AC_REQUIRE([jm_AC_FUNC_LINK_FOLLOWS_SYMLINK])
   AC_REQUIRE([AM_FUNC_ERROR_AT_LINE])
   AC_REQUIRE([jm_FUNC_GNU_STRFTIME])
@@ -102,6 +67,7 @@ AC_DEFUN(jm_MACROS,
   AC_FUNC_GETLOADAVG([lib])
   AC_REQUIRE([jm_SYS_PROC_UPTIME])
   AC_REQUIRE([jm_FUNC_FTRUNCATE])
+  AC_REQUIRE([vb_FUNC_RENAME])
 
   AC_REPLACE_FUNCS(strcasecmp strncasecmp)
   AC_REPLACE_FUNCS(dup2)
@@ -116,9 +82,14 @@ AC_DEFUN(jm_MACROS,
   dnl used by e.g. intl/*domain.c and lib/canon-host.c
   AC_REPLACE_FUNCS(strdup)
 
-  AC_REPLACE_FUNCS(memchr memmove memcpy memset)
+  AC_REPLACE_FUNCS(memchr memcpy memmove memrchr memset)
   AC_CHECK_FUNCS(getpagesize)
 
+  AC_REPLACE_FUNCS(mkstemp)
+  if test $ac_cv_func_mkstemp != yes; then
+    AC_LIBOBJ(tempname)
+  fi
+
   # By default, argmatch should fail calling usage (1).
   AC_DEFINE(ARGMATCH_DIE, [usage (1)],
            [Define to the function xargmatch calls on failures.])
@@ -144,6 +115,7 @@ AC_DEFUN(jm_MACROS,
     AC_CHECK_FUNCS(clock_gettime)
   LIBS=$fetish_saved_libs
   AC_CHECK_FUNCS(gettimeofday)
+  AC_FUNC_GETTIMEOFDAY_CLOBBER
 
   AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
   AC_REQUIRE([jm_FUNC_UTIME])
@@ -151,11 +123,11 @@ AC_DEFUN(jm_MACROS,
   AC_CHECK_FUNCS( \
     acl \
     bcopy \
+    canonicalize_file_name \
     endgrent \
     endpwent \
     fchdir \
     fdatasync \
-    fseeko \
     ftime \
     ftruncate \
     getcwd \
@@ -176,6 +148,7 @@ AC_DEFUN(jm_MACROS,
     strerror \
     strrchr \
     sysinfo \
+    wcrtomb \
     tzset \
   )
 
@@ -207,9 +180,9 @@ AC_DEFUN(jm_MACROS,
      LIBS="$ac_seq_save_LIBS"
     ])
 
-  jm_LANGINFO_CODESET
+  AM_LANGINFO_CODESET
   jm_GLIBC21
-  jm_ICONV
+  AM_ICONV
   jm_FUNC_UNLINK_BUSY_TEXT
 
   # These tests are for df.
@@ -221,11 +194,58 @@ AC_DEFUN(jm_MACROS,
     AC_LIBOBJ(fsusage)
     AC_LIBOBJ(mountlist)
   fi
+  AC_REQUIRE([jm_AC_DOS])
 
 ])
 
+# These tests must be run before any use of AC_CHECK_TYPE,
+# because that macro compiles code that tests e.g., HAVE_UNISTD_H.
+# See the definition of ac_includes_default in `configure'.
+AC_DEFUN([jm_CHECK_ALL_HEADERS],
+[
+  AC_CHECK_HEADERS( \
+    errno.h  \
+    fcntl.h \
+    fenv.h \
+    float.h \
+    limits.h \
+    memory.h \
+    mntent.h \
+    mnttab.h \
+    netdb.h \
+    paths.h \
+    stdlib.h \
+    stddef.h \
+    stdint.h \
+    string.h \
+    sys/acl.h \
+    sys/filsys.h \
+    sys/fs/s5param.h \
+    sys/fs_types.h \
+    sys/fstyp.h \
+    sys/ioctl.h \
+    sys/mntent.h \
+    sys/mount.h \
+    sys/param.h \
+    sys/resource.h \
+    sys/socket.h \
+    sys/statfs.h \
+    sys/statvfs.h \
+    sys/systeminfo.h \
+    sys/time.h \
+    sys/timeb.h \
+    sys/vfs.h \
+    sys/wait.h \
+    syslog.h \
+    termios.h \
+    unistd.h \
+    utime.h \
+    values.h \
+  )
+])
+
 # This macro must be invoked before any tests that run the compiler.
-AC_DEFUN(jm_CHECK_ALL_TYPES,
+AC_DEFUN([jm_CHECK_ALL_TYPES],
 [
   # FIXME: I shouldn't have to require this macro here.  Rather, it should
   # be required by any autoconf macro that performs a compile-time test or
@@ -250,6 +270,7 @@ AC_DEFUN(jm_CHECK_ALL_TYPES,
   AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_C_LONG_DOUBLE])
 
+  AC_REQUIRE([jm_CHECK_ALL_HEADERS])
   AC_REQUIRE([AC_HEADER_DIRENT])
   AC_REQUIRE([AC_HEADER_STDC])
   AC_CHECK_MEMBERS([struct stat.st_blksize],,,[$ac_includes_default
@@ -276,6 +297,8 @@ AC_DEFUN(jm_CHECK_ALL_TYPES,
   dnl This relies on the fact that autoconf 2.14a's implementation of
   dnl AC_CHECK_TYPE checks includes unistd.h.
   AC_CHECK_TYPE(ssize_t, int)
+  AC_CHECK_TYPE(major_t, unsigned int)
+  AC_CHECK_TYPE(minor_t, unsigned int)
 
   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
   AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])