Edit
thodg/libiconv/configure.ac
Bruno Haible
- configure.ac
-
dnl Copyright (C) 1999-2011, 2016, 2018-2021 Free Software Foundation, Inc. dnl This file is part of the GNU LIBICONV Library. dnl dnl The GNU LIBICONV Library is free software; you can redistribute it dnl and/or modify it under the terms of the GNU Lesser General Public dnl License as published by the Free Software Foundation; either version 2 dnl of the License, or (at your option) any later version. dnl dnl The GNU LIBICONV Library is distributed in the hope that it will be dnl useful, but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU dnl Lesser General Public License for more details. dnl dnl You should have received a copy of the GNU Lesser General Public dnl License along with the GNU LIBICONV Library; see the file COPYING.LIB. dnl If not, see <https://www.gnu.org/licenses/>. AC_PREREQ([2.64]) AC_INIT([libiconv], [1.16]) AC_CONFIG_SRCDIR([lib/iconv.c]) AC_CONFIG_AUX_DIR([build-aux]) AM_INIT_AUTOMAKE AC_CONFIG_HEADERS([config.h lib/config.h]) AC_PROG_MAKE_SET dnl checks for basic programs AC_PROG_CC AC_PROG_CPP AC_PROG_INSTALL AC_PATH_PROG([STRIP], [strip], [:]) dnl sets STRIP AM_PROG_INSTALL_STRIP dnl overrides STRIP when cross-compiling, dnl sets INSTALL_STRIP_PROGRAM dnl check for host type AC_CANONICAL_HOST dnl hack dnl Hack to work around limitations of automake and error.m4 regarding LIBOBJS. dnl "srclib/Makefile.am:32: automatically discovered file `error.h' should not be explicitly mentioned" AC_DEFUN([my_SRCLIB_OBJ],[SRCLIBOBJS="$SRCLIBOBJS $1.$ac_objext"]) AC_DEFUN([my_SRCLIB_REPLACE_FUNCS], [AC_CHECK_FUNCS([$1], , [my_SRCLIB_OBJ($ac_func)])]) m4_pushdef([AC_LIBOBJ], m4_defn([my_SRCLIB_OBJ])) m4_pushdef([AC_REPLACE_FUNCS], m4_defn([my_SRCLIB_REPLACE_FUNCS])) dnl checks for UNIX variants that set DEFS gl_EARLY dnl checks for build configuration LT_INIT([disable-static win32-dll]) gl_RELOCATABLE AC_ARG_ENABLE([extra-encodings], [AS_HELP_STRING([--enable-extra-encodings], [add support for a few rarely used encodings])], [AC_DEFINE([ENABLE_EXTRA], 1, [Define to 1 to enable a few rarely used encodings.]) USE_EXTRA_ENCODINGS=yes], [USE_EXTRA_ENCODINGS=no]) AC_SUBST([USE_EXTRA_ENCODINGS]) dnl checks for programs CL_PROG_CP CL_PROG_LN AC_PROG_LN_S dnl checks for compiler output filename suffixes AC_OBJEXT AC_EXEEXT dnl checks for build configuration 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 mingw and Cygwin, we can activate special Makefile rules which add dnl version information to the executables. case "$host_os" in mingw* | cygwin*) is_woe32=yes ;; *) is_woe32=no ;; esac WOE32=$is_woe32 AC_SUBST([WOE32]) if test $WOE32 = yes; then dnl Check for a program that compiles Windows resource files. AC_CHECK_TOOL([WINDRES], [windres]) fi gl_VISIBILITY AM_ICONV AM_GNU_GETTEXT([external], [need-ngettext]) dnl checks for typedefs AC_TYPE_MBSTATE_T gt_TYPE_WCHAR_T dnl checks for header files, functions and declarations if test "$am_cv_func_iconv" = yes -a -n "$iconv_arg1"; then ICONV_CONST="const" else ICONV_CONST="" fi AC_SUBST([ICONV_CONST]) if test $gt_cv_c_wchar_t = yes; then HAVE_WCHAR_T=1 else HAVE_WCHAR_T=0 fi AC_SUBST([HAVE_WCHAR_T]) AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale]) dnl mbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see lib/loop_wchar.h. if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then USE_MBSTATE_T=1 else USE_MBSTATE_T=0 fi AC_SUBST([USE_MBSTATE_T]) AC_CACHE_CHECK([whether <wchar.h> is standalone], [gl_cv_header_wchar_h_standalone], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [[#include <wchar.h> wchar_t w;]], [[]])], [gl_cv_header_wchar_h_standalone=yes], [gl_cv_header_wchar_h_standalone=no])]) if test $gl_cv_header_wchar_h_standalone = yes; then BROKEN_WCHAR_H=0 else BROKEN_WCHAR_H=1 fi AC_SUBST([BROKEN_WCHAR_H]) AC_REPLACE_FUNCS([memmove]) AM_LANGINFO_CODESET gl_FCNTL_O_FLAGS AC_EILSEQ AC_C_BIGENDIAN([], [AC_DEFINE([WORDS_LITTLEENDIAN], [1], [Define if the machine's byte ordering is little endian.]) ]) gl_INIT dnl hack dnl End of hack to work around limitations of automake and error.m4. m4_popdef([AC_REPLACE_FUNCS]) m4_popdef([AC_LIBOBJ]) AC_SUBST([SRCLIBOBJS]) dnl Compilation on mingw and Cygwin needs special Makefile rules, because dnl 1. when we install a shared library, we must arrange to export dnl auxiliary pointer variables for every exported variable, dnl 2. when we install a shared library and a static library simultaneously, dnl the include file specifies __declspec(dllimport) and therefore we dnl must arrange to define the auxiliary pointer variables for the dnl exported variables _also_ in the static library. if test "$enable_shared" = yes; then case "$host_os" in mingw* | cygwin*) is_woe32dll=yes ;; *) is_woe32dll=no ;; esac else is_woe32dll=no fi WOE32DLL=$is_woe32dll AC_SUBST([WOE32DLL]) if test $is_woe32dll = yes; then DLL_VARIABLE='__declspec (dllimport)' else DLL_VARIABLE= fi AC_SUBST([DLL_VARIABLE]) AH_BOTTOM([ /* On Windows, variables that may be in a DLL must be marked specially. */ #if defined _MSC_VER && defined _DLL # define DLL_VARIABLE __declspec (dllimport) #else # define DLL_VARIABLE #endif ]) AC_CONFIG_SUBDIRS([libcharset]) AC_CONFIG_FILES([Makefile]) AC_CONFIG_FILES([lib/Makefile]) AC_CONFIG_FILES([srclib/Makefile]) AC_CONFIG_FILES([src/Makefile]) AC_CONFIG_FILES([po/Makefile.in]) AC_CONFIG_FILES([man/Makefile]) if test -d "${srcdir}/tests"; then AC_CONFIG_FILES([tests/Makefile]) fi AC_CONFIG_FILES([include/iconv.h:include/iconv.h.build.in]) AC_CONFIG_FILES([include/iconv.h.inst:include/iconv.h.in]) AC_OUTPUT