ICU-57166.0.1.tar.gz

[apple/icu.git] / icuSources / aclocal.m4

diff --git a/icuSources/aclocal.m4 b/icuSources/aclocal.m4
index ef3c7d8e1f625f0bd7a35ce2f84c77264ba60c00..f0ae29f5a81ccd90dc9def422ece39e26a56b93f 100644 (file)
--- a/icuSources/aclocal.m4
+++ b/icuSources/aclocal.m4
@@ -1,313 +1,231 @@
-dnl aclocal.m4 for ICU
-dnl Copyright (c) 1999-2004, International Business Machines Corporation and
-dnl others. All Rights Reserved.
-dnl Stephen F. Booth
+# generated automatically by aclocal 1.15 -*- Autoconf -*-

 
 

-dnl @TOP@
+# Copyright (C) 1996-2014 Free Software Foundation, Inc.

 
 

-dnl ICU_CHECK_MH_FRAG
-AC_DEFUN(ICU_CHECK_MH_FRAG, [
-       AC_CACHE_CHECK(
-               [which Makefile fragment to use],
-               [icu_cv_host_frag],
-               [
-case "${host}" in
-*-*-solaris*)
-       if test "$GCC" = yes; then      
-               icu_cv_host_frag=mh-solaris-gcc 
-       else
-               icu_cv_host_frag=mh-solaris
-       fi ;;
-alpha*-*-linux-gnu)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-alpha-linux-gcc
-       else  
-               icu_cv_host_frag=mh-alpha-linux-cc
-       fi ;;
-powerpc*-*-linux*)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-linux
-       else
-               icu_cv_host_frag=mh-linux-va
-       fi ;;
-*-*-linux*) icu_cv_host_frag=mh-linux ;;
-*-*-cygwin)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-cygwin
-       else
-               icu_cv_host_frag=mh-cygwin-msvc
-       fi ;;
-*-*-mingw32)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-mingw
-       else
-               icu_cv_host_frag=mh-cygwin-msvc
-       fi ;;
-*-*-*bsd*)     icu_cv_host_frag=mh-bsd-gcc ;;
-*-*-aix*)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-aix-gcc
-       else
-               if test -n "`$CXX --help 2>&1 | grep 'IBM C and C++ Compilers$'`"; then
-                       icu_cv_host_frag=mh-aix
-               else
-                       icu_cv_host_frag=mh-aix-va
-               fi
-       fi ;;
-*-*-hpux*)
-       if test "$GCC" = yes; then
-               icu_cv_host_frag=mh-hpux-gcc
-       else
-               case "$CXX" in
-               *aCC)    icu_cv_host_frag=mh-hpux-acc ;;
-               *CC)     icu_cv_host_frag=mh-hpux-cc ;;
-               esac
-       fi ;;
-*-*ibm-openedition*|*-*-os390*)        icu_cv_host_frag=mh-os390 ;;
-*-*-os400*)    icu_cv_host_frag=mh-os400 ;;
-*-apple-rhapsody*)     icu_cv_host_frag=mh-darwin ;;
-*-apple-darwin*)       icu_cv_host_frag=mh-darwin ;;
-*-*-beos)      icu_cv_host_frag=mh-beos ;;
-*-*-irix*)     icu_cv_host_frag=mh-irix ;;
-*-dec-osf*) icu_cv_host_frag=mh-alpha-osf ;;
-*-*-nto*)      icu_cv_host_frag=mh-qnx ;;
-*-ncr-*)       icu_cv_host_frag=mh-mpras ;;
-*-sequent-*)   icu_cv_host_frag=mh-ptx ;;
-*)             icu_cv_host_frag=mh-unknown ;;
-esac
-               ]
-       )
-])
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.

 
 

-dnl ICU_CONDITIONAL - similar example taken from Automake 1.4
-AC_DEFUN(ICU_CONDITIONAL,
-[AC_SUBST($1_TRUE)
-if $2; then
-  $1_TRUE=
-else
-  $1_TRUE='#'
-fi])
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
+# pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
+# serial 1 (pkg-config-0.24)
+# 
+# Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 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
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.

 
 

-dnl AC_SEARCH_LIBS_FIRST(FUNCTION, SEARCH-LIBS [, ACTION-IF-FOUND
-dnl            [, ACTION-IF-NOT-FOUND [, OTHER-LIBRARIES]]])
-dnl Search for a library defining FUNC, then see if it's not already available.
- 
-AC_DEFUN(AC_SEARCH_LIBS_FIRST,
-[AC_PREREQ([2.13])
-AC_CACHE_CHECK([for library containing $1], [ac_cv_search_$1],
-[ac_func_search_save_LIBS="$LIBS"
-ac_cv_search_$1="no"
-for i in $2; do
-LIBS="-l$i $5 $ac_func_search_save_LIBS"
-AC_TRY_LINK_FUNC([$1],
-[ac_cv_search_$1="-l$i"
-break])
-done
-if test "$ac_cv_search_$1" = "no"; then
-AC_TRY_LINK_FUNC([$1], [ac_cv_search_$1="none required"])
+# PKG_PROG_PKG_CONFIG([MIN-VERSION])
+# ----------------------------------
+AC_DEFUN([PKG_PROG_PKG_CONFIG],
+[m4_pattern_forbid([^_?PKG_[A-Z_]+$])
+m4_pattern_allow([^PKG_CONFIG(_(PATH|LIBDIR|SYSROOT_DIR|ALLOW_SYSTEM_(CFLAGS|LIBS)))?$])
+m4_pattern_allow([^PKG_CONFIG_(DISABLE_UNINSTALLED|TOP_BUILD_DIR|DEBUG_SPEW)$])
+AC_ARG_VAR([PKG_CONFIG], [path to pkg-config utility])
+AC_ARG_VAR([PKG_CONFIG_PATH], [directories to add to pkg-config's search path])
+AC_ARG_VAR([PKG_CONFIG_LIBDIR], [path overriding pkg-config's built-in search path])
+
+if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
+       AC_PATH_TOOL([PKG_CONFIG], [pkg-config])

 fi
 fi

-LIBS="$ac_func_search_save_LIBS"])
-if test "$ac_cv_search_$1" != "no"; then
-  test "$ac_cv_search_$1" = "none required" || LIBS="$ac_cv_search_$1 $LIBS"
-  $3
-else :
-  $4
+if test -n "$PKG_CONFIG"; then
+       _pkg_min_version=m4_default([$1], [0.9.0])
+       AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
+       if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
+               AC_MSG_RESULT([yes])
+       else
+               AC_MSG_RESULT([no])
+               PKG_CONFIG=""
+       fi
+fi[]dnl
+])# PKG_PROG_PKG_CONFIG
+
+# PKG_CHECK_EXISTS(MODULES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+#
+# Check to see whether a particular set of modules exists.  Similar
+# to PKG_CHECK_MODULES(), but does not set variables or print errors.
+#
+# Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+# only at the first occurence in configure.ac, so if the first place
+# it's called might be skipped (such as if it is within an "if", you
+# have to call PKG_CHECK_EXISTS manually
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_EXISTS],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+if test -n "$PKG_CONFIG" && \
+    AC_RUN_LOG([$PKG_CONFIG --exists --print-errors "$1"]); then
+  m4_default([$2], [:])
+m4_ifvaln([$3], [else
+  $3])dnl

 fi])
 
 fi])
 

-dnl Check if we can build and use 64-bit libraries
-AC_DEFUN(AC_CHECK_64BIT_LIBS,
-[
-    AC_ARG_ENABLE(64bit-libs,
-        [  --enable-64bit-libs     build 64-bit libraries [default=yes]],
-        [ENABLE_64BIT_LIBS=${enableval}],
-        [ENABLE_64BIT_LIBS=yes]
-    )
-    dnl These results can't be cached because is sets compiler flags.
-    AC_MSG_CHECKING([for 64-bit executable support])
-    if test "$ENABLE_64BIT_LIBS" != no; then
-        case "${host}" in
-        *-*-solaris*)
-            SPARCV9=`isainfo -n 2>&1 | grep sparcv9`
-            if test "$GCC" = yes; then
-                # We could add a check for -m64 depending on the gcc version.
-                ENABLE_64BIT_LIBS=no
-            else
-                SOL64=`$CXX -xarch=v9 2>&1 && $CC -xarch=v9 2>&1 | grep -v usage:`
-                if test -z "$SOL64" && test -n "$SPARCV9"; then
-                    CFLAGS="${CFLAGS} -xtarget=ultra -xarch=v9"
-                    CXXFLAGS="${CXXFLAGS} -xtarget=ultra -xarch=v9"
-                    LDFLAGS="${LDFLAGS} -xtarget=ultra -xarch=v9"
-                    ENABLE_64BIT_LIBS=yes
-                else
-                    ENABLE_64BIT_LIBS=no
-                fi
-            fi
-            ;;
-        ia64-*-linux*)
-            if test "$GCC" = yes; then
-                # gcc compiler support
-                if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
-                    ENABLE_64BIT_LIBS=yes
-                else
-                    ENABLE_64BIT_LIBS=no
-                fi
-            else
-                # check for ecc/ecpc compiler support
-                if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Intel`"; then
-                    if test -n "`$CXX --help 2>&1 && $CC --help 2>&1 | grep -v Itanium`"; then
-                        ENABLE_64BIT_LIBS=yes
-                    else
-                        ENABLE_64BIT_LIBS=no
-                    fi
-                else
-                    # unknown
-                    ENABLE_64BIT_LIBS=no
-                fi
-            fi
-            ;;
-        x86_64-*-linux*)
-            if test "$GCC" = yes; then
-                if test -n "`$CXX -dumpspecs 2>&1 && $CC -dumpspecs 2>&1 | grep -v __LP64__`"; then
-                    ENABLE_64BIT_LIBS=yes
-                else
-                    ENABLE_64BIT_LIBS=no
-                fi
-            else
-                # unknown
-                ENABLE_64BIT_LIBS=no
-            fi
-            ;;
-        *-*-aix*|powerpc64-*-linux*)
-            if test "$ac_cv_prog_gcc" = no; then
-                # Note: Have not tested 64-bitness with gcc.
-                # Maybe the flag "-maix64" could be used with gcc?
-                OLD_CFLAGS="${CFLAGS}"
-                OLD_CXXFLAGS="${CXXFLAGS}"
-                OLD_LDFLAGS="${LDFLAGS}"
-                CFLAGS="${CFLAGS} -q64"
-                CXXFLAGS="${CXXFLAGS} -q64"
-                LDFLAGS="${LDFLAGS} -q64"
-                AC_TRY_RUN(int main(void) {return 0;},
-                   ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
-                if test "$ENABLE_64BIT_LIBS" = no; then
-                    CFLAGS="${OLD_CFLAGS}"
-                    CXXFLAGS="${OLD_CXXFLAGS}"
-                    LDFLAGS="${OLD_LDFLAGS}"
-                else
-                    case "${host}" in
-                    *-*-aix*)
-                        ARFLAGS="${ARFLAGS} -X64"
-                    esac
-                fi
-            fi
-            ;;
-        *-*-hpux*)
-            dnl First we try the newer +DD64, if that doesn't work,
-            dnl try other options.
+# _PKG_CONFIG([VARIABLE], [COMMAND], [MODULES])
+# ---------------------------------------------
+m4_define([_PKG_CONFIG],
+[if test -n "$$1"; then
+    pkg_cv_[]$1="$$1"
+ elif test -n "$PKG_CONFIG"; then
+    PKG_CHECK_EXISTS([$3],
+                     [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes ],
+                    [pkg_failed=yes])
+ else
+    pkg_failed=untried
+fi[]dnl
+])# _PKG_CONFIG
+
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED

 
 

-            OLD_CFLAGS="${CFLAGS}"
-            OLD_CXXFLAGS="${CXXFLAGS}"
-            CFLAGS="${CFLAGS} +DD64"
-            CXXFLAGS="${CXXFLAGS} +DD64"
-            AC_TRY_RUN(int main(void) {return 0;},
-                ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
-            if test "$ENABLE_64BIT_LIBS" = no; then
-                CFLAGS="${OLD_CFLAGS}"
-                CXXFLAGS="${OLD_CXXFLAGS}"
-                CFLAGS="${CFLAGS} +DA2.0W"
-                CXXFLAGS="${CXXFLAGS} +DA2.0W"
-                AC_TRY_RUN(int main(void) {return 0;},
-                    ENABLE_64BIT_LIBS=yes, ENABLE_64BIT_LIBS=no, ENABLE_64BIT_LIBS=no)
-                if test "$ENABLE_64BIT_LIBS" = no; then
-                    CFLAGS="${OLD_CFLAGS}"
-                    CXXFLAGS="${OLD_CXXFLAGS}"
-                fi
-            fi
-            ;;
-        *)
-            ENABLE_64BIT_LIBS=no
-            ;;
-        esac
-    fi
-    dnl Individual tests that fail should reset their own flags.
-    AC_MSG_RESULT($ENABLE_64BIT_LIBS)
-])

 
 

-dnl Strict compilation options.
-AC_DEFUN(AC_CHECK_STRICT_COMPILE,
-[
-    AC_MSG_CHECKING([whether strict compiling is on])
-    AC_ARG_ENABLE(strict,[  --enable-strict         compile with strict compiler options [default=no]], [
-        if test "$enableval" = no
-        then
-            ac_use_strict_options=no
-        else
-            ac_use_strict_options=yes
-        fi
-      ], [ac_use_strict_options=no])
-    AC_MSG_RESULT($ac_use_strict_options)
+# PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
+# [ACTION-IF-NOT-FOUND])
+#
+#
+# Note that if there is a possibility the first call to
+# PKG_CHECK_MODULES might not happen, you should be sure to include an
+# explicit call to PKG_PROG_PKG_CONFIG in your configure.ac
+#
+#
+# --------------------------------------------------------------
+AC_DEFUN([PKG_CHECK_MODULES],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1][_CFLAGS], [C compiler flags for $1, overriding pkg-config])dnl
+AC_ARG_VAR([$1][_LIBS], [linker flags for $1, overriding pkg-config])dnl

 
 

-    if test "$ac_use_strict_options" = yes
-    then
-        if test "$GCC" = yes
-        then
-            CFLAGS="$CFLAGS -Wall -ansi -pedantic -Wshadow -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Winline -Wno-long-long"
-            case "${host}" in
-            *-*-solaris*)
-                CFLAGS="$CFLAGS -D__STDC__=0";;
-            esac
-        else
-            case "${host}" in
-            *-*-cygwin)
-                if test "`$CC /help 2>&1 | head -c9`" = "Microsoft"
-                then
-                    CFLAGS="$CFLAGS /W4"
-                fi
-            esac
-        fi
-        if test "$GXX" = yes
-        then
-            CXXFLAGS="$CXXFLAGS -W -Wall -ansi -pedantic -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -Winline -Wno-long-long"
-            case "${host}" in
-            *-*-solaris*)
-                CXXFLAGS="$CXXFLAGS -D__STDC__=0";;
-            esac
-        else
-            case "${host}" in
-            *-*-cygwin)
-                if test "`$CXX /help 2>&1 | head -c9`" = "Microsoft"
-                then
-                    CXXFLAGS="$CXXFLAGS /W4"
-                fi
-            esac
+pkg_failed=no
+AC_MSG_CHECKING([for $1])
+
+_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
+if test $pkg_failed = yes; then
+       AC_MSG_RESULT([no])
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+               $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
+        else 
+               $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`

         fi
         fi

-    fi
-])
+       # Put the nasty error message in config.log where it belongs
+       echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
+
+       m4_default([$4], [AC_MSG_ERROR(
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
+Consider adjusting the PKG_CONFIG_PATH environment variable if you
+installed software in a non-standard prefix.
+
+_PKG_TEXT])[]dnl
+        ])
+elif test $pkg_failed = untried; then
+       AC_MSG_RESULT([no])
+       m4_default([$4], [AC_MSG_FAILURE(
+[The pkg-config script could not be found or is too old.  Make sure it
+is in your PATH or set the PKG_CONFIG environment variable to the full
+path to pkg-config.
+
+_PKG_TEXT
+
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])[]dnl
+        ])
+else
+       $1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS
+       $1[]_LIBS=$pkg_cv_[]$1[]_LIBS
+        AC_MSG_RESULT([yes])
+       $3
+fi[]dnl
+])# PKG_CHECK_MODULES
+
+
+# PKG_INSTALLDIR(DIRECTORY)
+# -------------------------
+# Substitutes the variable pkgconfigdir as the location where a module
+# should install pkg-config .pc files. By default the directory is
+# $libdir/pkgconfig, but the default can be changed by passing
+# DIRECTORY. The user can override through the --with-pkgconfigdir
+# parameter.
+AC_DEFUN([PKG_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${libdir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([pkgconfigdir],
+    [AS_HELP_STRING([--with-pkgconfigdir], pkg_description)],,
+    [with_pkgconfigdir=]pkg_default)
+AC_SUBST([pkgconfigdir], [$with_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+]) dnl PKG_INSTALLDIR
+
+
+# PKG_NOARCH_INSTALLDIR(DIRECTORY)
+# -------------------------
+# Substitutes the variable noarch_pkgconfigdir as the location where a
+# module should install arch-independent pkg-config .pc files. By
+# default the directory is $datadir/pkgconfig, but the default can be
+# changed by passing DIRECTORY. The user can override through the
+# --with-noarch-pkgconfigdir parameter.
+AC_DEFUN([PKG_NOARCH_INSTALLDIR],
+[m4_pushdef([pkg_default], [m4_default([$1], ['${datadir}/pkgconfig'])])
+m4_pushdef([pkg_description],
+    [pkg-config arch-independent installation directory @<:@]pkg_default[@:>@])
+AC_ARG_WITH([noarch-pkgconfigdir],
+    [AS_HELP_STRING([--with-noarch-pkgconfigdir], pkg_description)],,
+    [with_noarch_pkgconfigdir=]pkg_default)
+AC_SUBST([noarch_pkgconfigdir], [$with_noarch_pkgconfigdir])
+m4_popdef([pkg_default])
+m4_popdef([pkg_description])
+]) dnl PKG_NOARCH_INSTALLDIR
+
+
+# PKG_CHECK_VAR(VARIABLE, MODULE, CONFIG-VARIABLE,
+# [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
+# -------------------------------------------
+# Retrieves the value of the pkg-config variable for the given module.
+AC_DEFUN([PKG_CHECK_VAR],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
+AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
+
+_PKG_CONFIG([$1], [variable="][$3]["], [$2])
+AS_VAR_COPY([$1], [pkg_cv_][$1])

 
 

-dnl Define a sizeof checking macro that is a bit better than autoconf's
-dnl builtin (and heavily based on it, of course). The new macro is
-dnl AC_DO_CHECK_SIZEOF(TYPE [, CROSS_SIZE [, INCLUDES])
-AC_DEFUN(AC_DO_CHECK_SIZEOF,
-[changequote(<<, >>)dnl
-dnl The name to #define.
-define(<<AC_TYPE_NAME>>, translit(sizeof_$1, [a-z *], [A-Z_P]))dnl
-dnl The cache variable name.
-define(<<AC_CV_NAME>>, translit(ac_cv_sizeof_$1, [ *], [_p]))dnl
-changequote([, ])dnl
-AC_MSG_CHECKING(size of $1)
-AC_CACHE_VAL(AC_CV_NAME,
-[AC_TRY_RUN($3
-[#include <stdio.h>
-main()
-{
-  FILE *f=fopen("conftestval", "w");
-  if (!f) exit(1);
-  fprintf(f, "%d\n", sizeof($1));
-  exit(0);
-}], AC_CV_NAME=`cat conftestval`, AC_CV_NAME=0, ifelse([$2], , , AC_CV_NAME=$2))])dnl
-AC_MSG_RESULT($AC_CV_NAME)
-AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
-undefine([AC_TYPE_NAME])dnl
-undefine([AC_CV_NAME])dnl
-])
+AS_VAR_IF([$1], [""], [$5], [$4])dnl
+])# PKG_CHECK_VAR

 
 

+m4_include([config/m4/icu-conditional.m4])
+m4_include([acinclude.m4])