Remove outdated Autoconf macro.

* aclocal.m4 (CL_PROG_INSTALL): Remove macro.
* doc/configure.ac: Invoke AC_PROG_INSTALL instead of CL_PROG_INSTALL.
* lib/configure.ac: Likewise.
* src/configure.ac: Likewise.

ChangeLog

@@ -1,3 +1,11 @@
+2024-04-04  Bruno Haible  <bruno@clisp.org>
+
+	Remove outdated Autoconf macro.
+	* aclocal.m4 (CL_PROG_INSTALL): Remove macro.
+	* doc/configure.ac: Invoke AC_PROG_INSTALL instead of CL_PROG_INSTALL.
+	* lib/configure.ac: Likewise.
+	* src/configure.ac: Likewise.
+
 2023-12-30  Bruno Haible  <bruno@clisp.org>
 
 	Mark autoconf 2.72 as supported.

aclocal.m4

@@ -1,69 +1 @@
-AC_PREREQ(2.12)
+AC_PREREQ([2.64])
-
-AC_DEFUN(CL_PROG_INSTALL,
-[dnl This is mostly copied from AC_PROG_INSTALL.
-# Find a good install program.  We prefer a C program (faster),
-# so one script is as good as another.  But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# ./install, which can be erroneously created by make from ./install.sh.
-AC_MSG_CHECKING(for a BSD compatible install)
-if test -z "$INSTALL"; then
-AC_CACHE_VAL(cl_cv_path_install,
-[  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
-  for ac_dir in $PATH; do
-    # Account for people who put trailing slashes in PATH elements.
-    case "$ac_dir/" in
-    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
-    *)
-      # OSF1 and SCO ODT 3.0 have their own names for install.
-      for ac_prog in ginstall installbsd scoinst install; do
-        if test -f $ac_dir/$ac_prog; then
-	  if test $ac_prog = install &&
-            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
-	    # AIX install.  It has an incompatible calling convention.
-	    # OSF/1 installbsd also uses dspmsg, but is usable.
-	    :
-	  else
-	    if test $ac_prog = installbsd &&
-	      strings $ac_dir/$ac_prog | grep src/bos >/dev/null 2>&1; then
-	      # AIX installbsd doesn't work without option "-g".
-	      :
-	    else
-	      cl_cv_path_install="$ac_dir/$ac_prog -c"
-	      break 2
-	    fi
-	  fi
-	fi
-      done
-      ;;
-    esac
-  done
-  IFS="$ac_save_ifs"
-  # As a last resort, use cp.
-  test -z "$cl_cv_path_install" && cl_cv_path_install="cp"
-])dnl
-  INSTALL="$cl_cv_path_install"
-fi
-dnl We do special magic for INSTALL instead of AC_SUBST, to get
-dnl relative paths right. 
-AC_MSG_RESULT($INSTALL)
-AC_SUBST(INSTALL)dnl
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='$(INSTALL)'
-AC_SUBST(INSTALL_PROGRAM)dnl
-if test -z "$INSTALL_DATA"; then
-  case "$INSTALL" in
-    cp | */cp ) INSTALL_DATA='$(INSTALL)' ;;
-    * )         INSTALL_DATA='$(INSTALL) -m 644' ;;
-  esac
-fi
-AC_SUBST(INSTALL_DATA)dnl
-])
-

doc/configure.ac

@@ -1,6 +1,6 @@
 dnl autoconf configuration for gperf/doc
 
-dnl Copyright (C) 1998-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 1998-2024 Free Software Foundation, Inc.
 dnl Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
 dnl and Bruno Haible <bruno@clisp.org>.
 dnl
@@ -28,7 +28,7 @@ AC_PROG_MAKE_SET
 dnl
 dnl           checks for programs
 dnl
-CL_PROG_INSTALL
+AC_PROG_INSTALL
                       dnl sets variables INSTALL, INSTALL_DATA, INSTALL_PROGRAM
 dnl
 dnl           That's it.

lib/configure.ac

@@ -1,6 +1,6 @@
 dnl autoconf configuration for gperf/lib
 
-dnl Copyright (C) 1998-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 1998-2024 Free Software Foundation, Inc.
 dnl Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
 dnl and Bruno Haible <bruno@clisp.org>.
 dnl
@@ -38,7 +38,7 @@ AC_CHECK_TOOL([AR], [ar])
                       dnl sets variable AR
 AC_PROG_RANLIB
                       dnl sets variable RANLIB
-CL_PROG_INSTALL
+AC_PROG_INSTALL
                       dnl sets variables INSTALL, INSTALL_DATA, INSTALL_PROGRAM
 dnl
 dnl           That's it.

src/configure.ac

@@ -1,6 +1,6 @@
 dnl autoconf configuration for gperf/src
 
-dnl Copyright (C) 1998-2020 Free Software Foundation, Inc.
+dnl Copyright (C) 1998-2024 Free Software Foundation, Inc.
 dnl Written by Douglas C. Schmidt <schmidt@ics.uci.edu>
 dnl and Bruno Haible <bruno@clisp.org>.
 dnl
@@ -35,7 +35,7 @@ AC_PROG_CXX
                       dnl sets variable CXX
 AC_PROG_CXXCPP
                       dnl sets variable CXXCPP
-CL_PROG_INSTALL
+AC_PROG_INSTALL
                       dnl sets variables INSTALL, INSTALL_DATA, INSTALL_PROGRAM
 dnl
 dnl           checks for compiler characteristics