Replace obsolote macros

build/compile

@@ -1,9 +1,9 @@
 #! /bin/sh
-# Wrapper for compilers which do not understand `-c -o'.
+# Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2005-05-14.22
+scriptversion=2018-03-07.03; # UTC
 
-# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1999-2021 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,7 @@ scriptversion=2005-05-14.22
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@@ -29,21 +28,224 @@ scriptversion=2005-05-14.22
 # bugs to <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 
+nl='
+'
+
+# We need space, tab and new line, in precisely that order.  Quoting is
+# there to prevent tools from complaining about whitespace usage.
+IFS=" ""	$nl"
+
+file_conv=
+
+# func_file_conv build_file lazy
+# Convert a $build file to $host form and store it in $file
+# Currently only supports Windows hosts. If the determined conversion
+# type is listed in (the comma separated) LAZY, no conversion will
+# take place.
+func_file_conv ()
+{
+  file=$1
+  case $file in
+    / | /[!/]*) # absolute file, and not a UNC file
+      if test -z "$file_conv"; then
+	# lazily determine how to convert abs files
+	case `uname -s` in
+	  MINGW*)
+	    file_conv=mingw
+	    ;;
+	  CYGWIN* | MSYS*)
+	    file_conv=cygwin
+	    ;;
+	  *)
+	    file_conv=wine
+	    ;;
+	esac
+      fi
+      case $file_conv/,$2, in
+	*,$file_conv,*)
+	  ;;
+	mingw/*)
+	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
+	  ;;
+	cygwin/* | msys/*)
+	  file=`cygpath -m "$file" || echo "$file"`
+	  ;;
+	wine/*)
+	  file=`winepath -w "$file" || echo "$file"`
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+# func_cl_dashL linkdir
+# Make cl look for libraries in LINKDIR
+func_cl_dashL ()
+{
+  func_file_conv "$1"
+  if test -z "$lib_path"; then
+    lib_path=$file
+  else
+    lib_path="$lib_path;$file"
+  fi
+  linker_opts="$linker_opts -LIBPATH:$file"
+}
+
+# func_cl_dashl library
+# Do a library search-path lookup for cl
+func_cl_dashl ()
+{
+  lib=$1
+  found=no
+  save_IFS=$IFS
+  IFS=';'
+  for dir in $lib_path $LIB
+  do
+    IFS=$save_IFS
+    if $shared && test -f "$dir/$lib.dll.lib"; then
+      found=yes
+      lib=$dir/$lib.dll.lib
+      break
+    fi
+    if test -f "$dir/$lib.lib"; then
+      found=yes
+      lib=$dir/$lib.lib
+      break
+    fi
+    if test -f "$dir/lib$lib.a"; then
+      found=yes
+      lib=$dir/lib$lib.a
+      break
+    fi
+  done
+  IFS=$save_IFS
+
+  if test "$found" != yes; then
+    lib=$lib.lib
+  fi
+}
+
+# func_cl_wrapper cl arg...
+# Adjust compile command to suit cl
+func_cl_wrapper ()
+{
+  # Assume a capable shell
+  lib_path=
+  shared=:
+  linker_opts=
+  for arg
+  do
+    if test -n "$eat"; then
+      eat=
+    else
+      case $1 in
+	-o)
+	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
+	  eat=1
+	  case $2 in
+	    *.o | *.[oO][bB][jJ])
+	      func_file_conv "$2"
+	      set x "$@" -Fo"$file"
+	      shift
+	      ;;
+	    *)
+	      func_file_conv "$2"
+	      set x "$@" -Fe"$file"
+	      shift
+	      ;;
+	  esac
+	  ;;
+	-I)
+	  eat=1
+	  func_file_conv "$2" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-I*)
+	  func_file_conv "${1#-I}" mingw
+	  set x "$@" -I"$file"
+	  shift
+	  ;;
+	-l)
+	  eat=1
+	  func_cl_dashl "$2"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-l*)
+	  func_cl_dashl "${1#-l}"
+	  set x "$@" "$lib"
+	  shift
+	  ;;
+	-L)
+	  eat=1
+	  func_cl_dashL "$2"
+	  ;;
+	-L*)
+	  func_cl_dashL "${1#-L}"
+	  ;;
+	-static)
+	  shared=false
+	  ;;
+	-Wl,*)
+	  arg=${1#-Wl,}
+	  save_ifs="$IFS"; IFS=','
+	  for flag in $arg; do
+	    IFS="$save_ifs"
+	    linker_opts="$linker_opts $flag"
+	  done
+	  IFS="$save_ifs"
+	  ;;
+	-Xlinker)
+	  eat=1
+	  linker_opts="$linker_opts $2"
+	  ;;
+	-*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
+	  func_file_conv "$1"
+	  set x "$@" -Tp"$file"
+	  shift
+	  ;;
+	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
+	  func_file_conv "$1" mingw
+	  set x "$@" "$file"
+	  shift
+	  ;;
+	*)
+	  set x "$@" "$1"
+	  shift
+	  ;;
+      esac
+    fi
+    shift
+  done
+  if test -n "$linker_opts"; then
+    linker_opts="-link$linker_opts"
+  fi
+  exec "$@" $linker_opts
+  exit 1
+}
+
+eat=
+
 case $1 in
   '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
      exit 1;
      ;;
   -h | --h*)
     cat <<\EOF
 Usage: compile [--help] [--version] PROGRAM [ARGS]
 
-Wrapper for compilers which do not understand `-c -o'.
+Wrapper for compilers which do not understand '-c -o'.
-Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
 arguments, and rename the output as expected.
 
 If you are trying to build a whole package this is not the
-right script to run: please start by reading the file `INSTALL'.
+right script to run: please start by reading the file 'INSTALL'.
 
 Report bugs to <bug-automake@gnu.org>.
 EOF
@@ -53,11 +255,14 @@ EOF
     echo "compile $scriptversion"
     exit $?
     ;;
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
+    func_cl_wrapper "$@"      # Doesn't return...
+    ;;
 esac
 
 ofile=
 cfile=
-eat=
 
 for arg
 do
@@ -66,8 +271,8 @@ do
   else
     case $1 in
       -o)
-	# configure might choose to run compile as `compile cc -o foo foo.c'.
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
-	# So we strip `-o arg' only if arg is an object.
+	# So we strip '-o arg' only if arg is an object.
 	eat=1
 	case $2 in
 	  *.o | *.obj)
@@ -94,22 +299,22 @@ do
 done
 
 if test -z "$ofile" || test -z "$cfile"; then
-  # If no `-o' option was seen then we might have been invoked from a
+  # If no '-o' option was seen then we might have been invoked from a
   # pattern rule where we don't need one.  That is ok -- this is a
   # normal compilation that the losing compiler can handle.  If no
-  # `.c' file was seen then we are probably linking.  That is also
+  # '.c' file was seen then we are probably linking.  That is also
   # ok.
   exec "$@"
 fi
 
 # Name of file we expect compiler to create.
-cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
 
 # Create the lock directory.
-# Note: use `[/.-]' here to ensure that we don't use the same name
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
 # that we are using for the .o file.  Also, base the name on the expected
 # object file name, since that is what matters with a parallel build.
-lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
 while true; do
   if mkdir "$lockdir" >/dev/null 2>&1; then
     break
@@ -124,9 +329,9 @@ trap "rmdir '$lockdir'; exit 1" 1 2 15
 ret=$?
 
 if test -f "$cofile"; then
-  mv "$cofile" "$ofile"
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
 elif test -f "${cofile}bj"; then
-  mv "${cofile}bj" "$ofile"
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
 fi
 
 rmdir "$lockdir"
@@ -135,8 +340,9 @@ exit $ret
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC0"
+# time-stamp-end: "; # UTC"
 # End:

build/find_apr.m4

@@ -18,7 +18,7 @@ AC_DEFUN([CHECK_APR],
 
 AC_ARG_WITH(
     apr,
-    [AC_HELP_STRING([--with-apr=PATH],[Path to apr prefix or config script])],
+    [AS_HELP_STRING([--with-apr=PATH],[Path to apr prefix or config script])],
     [test_paths="${with_apr}"],
     [test_paths="/usr/local/libapr /usr/local/apr /usr/local /opt/libapr /opt/apr /opt /usr"])
 

build/find_apu.m4

@@ -18,7 +18,7 @@ AC_DEFUN([CHECK_APU],
 
 AC_ARG_WITH(
     apu,
-    [AC_HELP_STRING([--with-apu=PATH],[Path to apu prefix or config script])],
+    [AS_HELP_STRING([--with-apu=PATH],[Path to apu prefix or config script])],
     [test_paths="${with_apu}"],
     [test_paths="/usr/local/libapr-util /usr/local/apr-util /usr/local/libapu /usr/local/apu /usr/local/apr /usr/local /opt/libapr-util /opt/apr-util /opt/libapu /opt/apu /opt /usr"])
 

build/find_curl.m4

@@ -18,7 +18,7 @@ AC_DEFUN([CHECK_CURL],
 
 AC_ARG_WITH(
     curl,
-    [AC_HELP_STRING([--with-curl=PATH],[Path to curl prefix or config script])],
+    [AS_HELP_STRING([--with-curl=PATH],[Path to curl prefix or config script])],
     [test_paths="${with_curl}"],
     [test_paths="/usr/local/libcurl /usr/local/curl /usr/local /opt/libcurl /opt/curl /opt /usr"])
 

build/find_lua.m4

@@ -21,7 +21,7 @@ LUA_SONAMES="so la sl dll dylib a"
 
 AC_ARG_WITH(
     lua,
-    [AC_HELP_STRING([--with-lua=PATH],[Path to lua prefix or config script])]
+    [AS_HELP_STRING([--with-lua=PATH],[Path to lua prefix or config script])]
     ,, with_lua=yes)
 
 AS_CASE(["${with_lua}"],

build/find_pcre.m4

@@ -17,7 +17,7 @@ AC_DEFUN([CHECK_PCRE],
 
 AC_ARG_WITH(
     pcre,
-    [AC_HELP_STRING([--with-pcre=PATH],[Path to pcre prefix or config script])],
+    [AS_HELP_STRING([--with-pcre=PATH],[Path to pcre prefix or config script])],
     [test_paths="${with_pcre}"],
     [test_paths="/usr/local/libpcre /usr/local/pcre /usr/local /opt/libpcre /opt/pcre /opt /usr"])
 

build/find_pcre2.m4

@@ -17,7 +17,7 @@ AC_DEFUN([CHECK_PCRE2],
 
 AC_ARG_WITH(
     pcre2,
-    [AC_HELP_STRING([--with-pcre2=PATH],[Path to pcre2 prefix or config script])],
+    [AS_HELP_STRING([--with-pcre2=PATH],[Path to pcre2 prefix or config script])],
     , with_pcre2=no)
 
 AS_CASE(["${with_pcre2}"],

build/find_ssdeep.m4

@@ -13,7 +13,7 @@ SSDEEP_LDADD=""
 
 AC_ARG_WITH(
     ssdeep,
-    [AC_HELP_STRING([--with-ssdeep=PATH],[Path to ssdeep prefix])]
+    [AS_HELP_STRING([--with-ssdeep=PATH],[Path to ssdeep prefix])]
     ,, with_ssdeep=yes)
 
 AS_CASE(["${with_ssdeep}"],

build/find_yajl.m4

@@ -23,7 +23,7 @@ YAJL_SONAMES="so la sl dll dylib"
 
 AC_ARG_WITH(
     yajl,
-    [AC_HELP_STRING([--with-yajl=PATH],[Path to yajl prefix or config script])]
+    [AS_HELP_STRING([--with-yajl=PATH],[Path to yajl prefix or config script])]
     ,, with_yajl=yes)
 
 AS_CASE(["${with_yajl}"],

configure.ac

@@ -33,7 +33,7 @@ AC_PATH_PROGS(ENV_CMD, [env printenv], )
 PKG_PROG_PKG_CONFIG
 
 # Checks for header files.
-AC_HEADER_STDC
+#AC_HEADER_STDC
 AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h unistd.h sys/types.h sys/stat.h sys/utsname.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
@@ -889,13 +889,13 @@ ORIG_CFLAGS="$CFLAGS $APU_CFLAGS"
 ORIG_CPPFLAGS="$CPPFLAGS"
 CFLAGS="$CFLAGS $APR_CFLAGS"
 CPPFLAGS="$CPPFLAGS $APR_CPPFLAGS"
-AC_TRY_COMPILE(
+AC_LINK_IFELSE(
-	[#include <apr_crypto.h>],
+	[AC_LANG_PROGRAM([[ #include <apr_crypto.h> ]],
-	[
+	[[
           #if APU_HAVE_CRYPTO == 0
           #error APR util was not compiled with crypto support.
           #endif
-	],
+	]])],
 	[ AC_DEFINE([WITH_APU_CRYPTO], [1], [APR util was compiled with crypto support])
 	  MODSEC_EXTRA_CFLAGS="$MODSEC_EXTRA_CFLAGS -DWITH_APU_CRYPTO"
 	],