1: dnl Copyright (C) 1999-2011, 2016, 2018-2019 Free Software Foundation, Inc.
2: dnl This file is part of the GNU LIBICONV Library.
3: dnl
4: dnl The GNU LIBICONV Library is free software; you can redistribute it
5: dnl and/or modify it under the terms of the GNU Library General Public
6: dnl License as published by the Free Software Foundation; either version 2
7: dnl of the License, or (at your option) any later version.
8: dnl
9: dnl The GNU LIBICONV Library is distributed in the hope that it will be
10: dnl useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
11: dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: dnl Library General Public License for more details.
13: dnl
14: dnl You should have received a copy of the GNU Library General Public
15: dnl License along with the GNU LIBICONV Library; see the file COPYING.LIB.
16: dnl If not, see <https://www.gnu.org/licenses/>.
17:
18: AC_PREREQ([2.63])
19: AC_INIT([libiconv], [1.16])
20: AC_CONFIG_SRCDIR([lib/iconv.c])
21: AC_CONFIG_AUX_DIR([build-aux])
22: AM_INIT_AUTOMAKE
23: AC_CONFIG_HEADERS([config.h lib/config.h])
24: AC_PROG_MAKE_SET
25:
26: dnl checks for basic programs
27:
28: AC_PROG_CC
29: AC_PROG_CPP
30: AC_PROG_INSTALL
31:
32: AC_PATH_PROG([STRIP], [strip], [:]) dnl sets STRIP
33: AM_PROG_INSTALL_STRIP dnl overrides STRIP when cross-compiling,
34: dnl sets INSTALL_STRIP_PROGRAM
35:
36: dnl check for host type
37:
38: AC_CANONICAL_HOST
39:
40: dnl hack
41:
42: dnl Hack to work around limitations of automake and error.m4 regarding LIBOBJS.
43: dnl "srclib/Makefile.am:32: automatically discovered file `error.h' should not be explicitly mentioned"
44: AC_DEFUN([my_SRCLIB_OBJ],[SRCLIBOBJS="$SRCLIBOBJS $1.$ac_objext"])
45: AC_DEFUN([my_SRCLIB_REPLACE_FUNCS], [AC_CHECK_FUNCS([$1], , [my_SRCLIB_OBJ($ac_func)])])
46: m4_pushdef([AC_LIBOBJ], m4_defn([my_SRCLIB_OBJ]))
47: m4_pushdef([AC_REPLACE_FUNCS], m4_defn([my_SRCLIB_REPLACE_FUNCS]))
48:
49: dnl checks for UNIX variants that set DEFS
50:
51: gl_EARLY
52:
53: dnl checks for build configuration
54:
55: LT_INIT([disable-static win32-dll])
56: gl_RELOCATABLE
57:
58: AC_ARG_ENABLE([extra-encodings],
59: [AC_HELP_STRING([--enable-extra-encodings],
60: [add support for a few rarely used encodings])],
61: [AC_DEFINE([ENABLE_EXTRA], 1,
62: [Define to 1 to enable a few rarely used encodings.])
63: USE_EXTRA_ENCODINGS=yes],
64: [USE_EXTRA_ENCODINGS=no])
65: AC_SUBST([USE_EXTRA_ENCODINGS])
66:
67: dnl checks for programs
68:
69: CL_PROG_CP
70: CL_PROG_LN
71: AC_PROG_LN_S
72:
73: dnl checks for compiler output filename suffixes
74:
75: AC_OBJEXT
76: AC_EXEEXT
77:
78: dnl checks for build configuration
79:
80: dnl Prepares the libtool configuration for handling of Windows resources, and
81: dnl sets the RC variable to a program that compiles Windows resource files.
82: LT_LANG([Windows Resource])
83:
84: dnl On mingw and Cygwin, we can activate special Makefile rules which add
85: dnl version information to the executables.
86: case "$host_os" in
87: mingw* | cygwin*) is_woe32=yes ;;
88: *) is_woe32=no ;;
89: esac
90: WOE32=$is_woe32
91: AC_SUBST([WOE32])
92: if test $WOE32 = yes; then
93: dnl Check for a program that compiles Windows resource files.
94: AC_CHECK_TOOL([WINDRES], [windres])
95: fi
96:
97: gl_VISIBILITY
98: AM_ICONV
99: AM_GNU_GETTEXT([external], [need-ngettext])
100:
101: dnl checks for typedefs
102:
103: AC_TYPE_MBSTATE_T
104: gt_TYPE_WCHAR_T
105:
106: dnl checks for header files, functions and declarations
107:
108: if test "$am_cv_func_iconv" = yes -a -n "$am_cv_proto_iconv_arg1"; then
109: ICONV_CONST="const"
110: else
111: ICONV_CONST=""
112: fi
113: AC_SUBST([ICONV_CONST])
114:
115: if test $gt_cv_c_wchar_t = yes; then
116: HAVE_WCHAR_T=1
117: else
118: HAVE_WCHAR_T=0
119: fi
120: AC_SUBST([HAVE_WCHAR_T])
121:
122: AC_CHECK_FUNCS([getc_unlocked mbrtowc wcrtomb mbsinit setlocale])
123:
124: dnl mbstate_t is used if HAVE_WCRTOMB || HAVE_MBRTOWC, see lib/loop_wchar.h.
125: if test $ac_cv_func_wcrtomb = yes || test $ac_cv_func_mbrtowc = yes; then
126: USE_MBSTATE_T=1
127: else
128: USE_MBSTATE_T=0
129: fi
130: AC_SUBST([USE_MBSTATE_T])
131:
132: AC_CACHE_CHECK([whether <wchar.h> is standalone],
133: [gl_cv_header_wchar_h_standalone],
134: [AC_COMPILE_IFELSE(
135: [AC_LANG_PROGRAM(
136: [[#include <wchar.h>
137: wchar_t w;]],
138: [[]])],
139: [gl_cv_header_wchar_h_standalone=yes],
140: [gl_cv_header_wchar_h_standalone=no])])
141: if test $gl_cv_header_wchar_h_standalone = yes; then
142: BROKEN_WCHAR_H=0
143: else
144: BROKEN_WCHAR_H=1
145: fi
146: AC_SUBST([BROKEN_WCHAR_H])
147:
148: AC_REPLACE_FUNCS([memmove])
149:
150: AM_LANGINFO_CODESET
151: gl_FCNTL_O_FLAGS
152:
153: AC_EILSEQ
154:
155: CL_WORDS_LITTLEENDIAN
156:
157: gl_INIT
158:
159: dnl hack
160:
161: dnl End of hack to work around limitations of automake and error.m4.
162: m4_popdef([AC_REPLACE_FUNCS])
163: m4_popdef([AC_LIBOBJ])
164: AC_SUBST([SRCLIBOBJS])
165:
166: dnl Compilation on mingw and Cygwin needs special Makefile rules, because
167: dnl 1. when we install a shared library, we must arrange to export
168: dnl auxiliary pointer variables for every exported variable,
169: dnl 2. when we install a shared library and a static library simultaneously,
170: dnl the include file specifies __declspec(dllimport) and therefore we
171: dnl must arrange to define the auxiliary pointer variables for the
172: dnl exported variables _also_ in the static library.
173: if test "$enable_shared" = yes; then
174: case "$host_os" in
175: mingw* | cygwin*) is_woe32dll=yes ;;
176: *) is_woe32dll=no ;;
177: esac
178: else
179: is_woe32dll=no
180: fi
181: WOE32DLL=$is_woe32dll
182: AC_SUBST([WOE32DLL])
183: if test $is_woe32dll = yes; then
184: DLL_VARIABLE='__declspec (dllimport)'
185: else
186: DLL_VARIABLE=
187: fi
188: AC_SUBST([DLL_VARIABLE])
189:
190: AH_BOTTOM([
191: /* On Windows, variables that may be in a DLL must be marked specially. */
192: #if defined _MSC_VER && defined _DLL
193: # define DLL_VARIABLE __declspec (dllimport)
194: #else
195: # define DLL_VARIABLE
196: #endif
197: ])
198:
199: AC_CONFIG_SUBDIRS([libcharset])
200: AC_CONFIG_FILES([Makefile])
201: AC_CONFIG_FILES([lib/Makefile])
202: AC_CONFIG_FILES([srclib/Makefile])
203: AC_CONFIG_FILES([src/Makefile])
204: AC_CONFIG_FILES([po/Makefile.in])
205: AC_CONFIG_FILES([man/Makefile])
206: if test -d "${srcdir}/tests"; then
207: AC_CONFIG_FILES([tests/Makefile])
208: fi
209: AC_CONFIG_FILES([include/iconv.h:include/iconv.h.build.in])
210: AC_CONFIG_FILES([include/iconv.h.inst:include/iconv.h.in])
211: AC_OUTPUT
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