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dnl Configuration for the toplevel directory of GNU libunistring
dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
dnl
dnl This program is free software: you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 3 of the License, or
dnl (at your option) any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program. If not, see <https://www.gnu.org/licenses/>.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.64])
AC_INIT
AC_CONFIG_SRCDIR([lib/unistring/version.in.h])
AC_CONFIG_AUX_DIR([build-aux])
. $srcdir/version.sh
gl_INIT_PACKAGE([libunistring], [$VERSION_NUMBER])
AM_INIT_AUTOMAKE([silent-rules dist-xz])
AC_CONFIG_HEADERS([config.h])
dnl Override automake's tar command used for creating distributions.
am__tar='${AMTAR} chof - --owner=root --group=root "$$tardir"'
dnl An indicator macro that declares that we're in libunistring.
AC_DEFUN([gl_IN_LIBUNISTRING], [])
dnl Checks for basic programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_MKDIR_P
dnl Check for host type.
AC_CANONICAL_HOST
dnl Checks that augment the CPPFLAGS.
gl_EARLY
dnl Checks for compiler output filename suffixes.
AC_OBJEXT
AC_EXEEXT
dnl Check for build configuration.
gl_WOE32_DLL
LT_INIT([win32-dll])
dnl Prepares the libtool configuration for handling of Windows resources, and
dnl sets the RC variable to a program that compiles Windows resource files.
LT_LANG([Windows Resource])
dnl On native Windows and Cygwin, we can activate special Makefile rules which
dnl add version information to the shared libraries and executables.
case "$host_os" in
mingw* | windows* | cygwin*) is_woe32=yes ;;
*) is_woe32=no ;;
esac
AM_CONDITIONAL([WOE32], [test $is_woe32 = yes])
dnl Checks for types, header files, functions and declarations.
gl_INIT
dnl Compilation on native Windows and Cygwin needs special Makefile rules,
dnl because
dnl 1. when we install a shared library, we must arrange to export
dnl auxiliary pointer variables for every exported variable,
dnl 2. when we install a shared library and a static library simultaneously,
dnl the include file specifies __declspec(dllimport) and therefore we
dnl must arrange to define the auxiliary pointer variables for the
dnl exported variables _also_ in the static library.
if test "$enable_shared" = yes; then
case "$host_os" in
mingw* | windows* | cygwin*) is_woe32dll=yes ;;
*) is_woe32dll=no ;;
esac
else
is_woe32dll=no
fi
AM_CONDITIONAL([WOE32DLL], [test $is_woe32dll = yes])
if test $is_woe32dll = yes; then
DLL_VARIABLE='__declspec (dllimport)'
else
DLL_VARIABLE=
fi
AC_SUBST([DLL_VARIABLE])
dnl Some parts of the tests have to be skipped when the tests are linked with
dnl the shared library. This is because in this situation, the address of a
dnl global variable in the shared library cannot be used as initializer of a
dnl global or static variable.
dnl gcc would say: "error: initializer element is not constant".
if test $is_woe32dll = yes; then
AC_DEFINE([WOE32DLL], [1],
[Define when --enable-shared is used on Windows.])
fi
dnl Namespacing is the default: it builds a namespace clean library.
dnl Allow the user to disable namespacing. This speeds up "make" considerably.
AC_ARG_ENABLE([namespacing],
[ --disable-namespacing build a library that exports undesired symbols],
[:], [enable_namespacing=yes])
if test "$enable_namespacing" != no; then
NAMESPACING=yes
else
NAMESPACING=
fi
AC_SUBST([NAMESPACING])
dnl Check for prerequisites of exported.sh.
gt_GLOBAL_SYMBOL_PIPE
dnl Substitutable version number.
AC_PROG_AWK
changequote(,)
sed_extract_major='/^[0-9]/{s/^\([0-9]*\).*/\1/p;q;}
i\
0
q
'
sed_extract_minor='/^[0-9][0-9]*[.][0-9]/{s/^[0-9]*[.]\([0-9]*\).*/\1/p;q;}
i\
0
q
'
sed_extract_subminor='/^[0-9][0-9]*[.][0-9][0-9]*[.][0-9]/{s/^[0-9]*[.][0-9]*[.]\([0-9]*\).*/\1/p;q;}
i\
0
q
'
changequote([,])
version_major=`echo "${VERSION}" | sed -n -e "$sed_extract_major"`
version_minor=`echo "${VERSION}" | sed -n -e "$sed_extract_minor"`
version_subminor=`echo "${VERSION}" | sed -n -e "$sed_extract_subminor"`
HEXVERSION=0x`$AWK 'BEGIN { printf("%02X%02X%02X"',"$version_major","$version_minor","$version_subminor"') }'`
AC_SUBST([HEXVERSION])
dnl Check for tools needed for formatting the documentation.
ac_aux_dir_abs=`cd $ac_aux_dir && pwd`
AC_PATH_PROG([TEXI2DVI], [texi2dvi], [$ac_aux_dir_abs/missing texi2dvi])
AC_PATH_PROG([DVIPS], [dvips], [$ac_aux_dir_abs/missing dvips])
AC_PATH_PROG([PERL], [perl], [$ac_aux_dir_abs/missing perl])
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([doc/Makefile])
AC_CONFIG_FILES([gnulib-local/Makefile])
AC_CONFIG_FILES([lib/Makefile])
AC_CONFIG_FILES([lib/exported.sh])
AC_CONFIG_FILES([lib/unistring/version.h:lib/unistring/version.in.h])
AC_CONFIG_FILES([lib/unistring/woe32dll.h:lib/unistring/woe32dll.in.h])
AC_CONFIG_FILES([tests/Makefile])
AC_OUTPUT
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