Annotation of embedaddon/libiconv/srcm4/intl.m4, revision 1.1.1.3
1.1.1.3 ! misho 1: # intl.m4 serial 34 (gettext-0.20)
! 2: dnl Copyright (C) 1995-2014, 2016-2019 Free Software Foundation, Inc.
1.1 misho 3: dnl This file is free software; the Free Software Foundation
4: dnl gives unlimited permission to copy and/or distribute it,
5: dnl with or without modifications, as long as this notice is preserved.
6: dnl
1.1.1.3 ! misho 7: dnl This file can be used in projects which are not available under
1.1 misho 8: dnl the GNU General Public License or the GNU Library General Public
9: dnl License but which still want to provide support for the GNU gettext
10: dnl functionality.
11: dnl Please note that the actual code of the GNU gettext library is covered
12: dnl by the GNU Library General Public License, and the rest of the GNU
1.1.1.3 ! misho 13: dnl gettext package is covered by the GNU General Public License.
1.1 misho 14: dnl They are *not* in the public domain.
15:
16: dnl Authors:
17: dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
1.1.1.2 misho 18: dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009.
1.1 misho 19:
1.1.1.3 ! misho 20: AC_PREREQ([2.60])
1.1 misho 21:
22: dnl Checks for all prerequisites of the intl subdirectory,
23: dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
24: dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
25: AC_DEFUN([AM_INTL_SUBDIR],
26: [
27: AC_REQUIRE([AC_PROG_INSTALL])dnl
1.1.1.3 ! misho 28: AC_REQUIRE([AC_PROG_MKDIR_P])dnl
1.1 misho 29: AC_REQUIRE([AC_PROG_CC])dnl
30: AC_REQUIRE([AC_CANONICAL_HOST])dnl
31: AC_REQUIRE([gt_GLIBC2])dnl
32: AC_REQUIRE([gl_VISIBILITY])dnl
33: AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl
34: AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl
35: AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
36: AC_REQUIRE([gt_TYPE_WINT_T])dnl
37: AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
38: AC_REQUIRE([gt_TYPE_INTMAX_T])
39: AC_REQUIRE([gt_PRINTF_POSIX])
40: AC_REQUIRE([gl_GLIBC21])dnl
41: AC_REQUIRE([gl_XSIZE])dnl
1.1.1.2 misho 42: AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl
1.1.1.3 ! misho 43: AC_REQUIRE([gt_INTL_THREAD_LOCALE_NAME])
1.1 misho 44: AC_REQUIRE([gt_INTL_MACOSX])dnl
1.1.1.3 ! misho 45: AC_REQUIRE([gl_EXTERN_INLINE])dnl
! 46: AC_REQUIRE([gt_GL_ATTRIBUTE])dnl
! 47: AC_REQUIRE([AC_C_FLEXIBLE_ARRAY_MEMBER])dnl
! 48:
! 49: dnl In projects that use gnulib, use gl_PROG_AR_RANLIB.
! 50: dnl The '][' hides this use from 'aclocal'.
! 51: m4_ifdef([g][l_PROG_AR_RANLIB],
! 52: [AC_REQUIRE([g][l_PROG_AR_RANLIB])],
! 53: [AC_REQUIRE([AC_PROG_RANLIB])
! 54: dnl Use Automake-documented default values for AR and ARFLAGS, but prefer
! 55: dnl ${host}-ar over ar (useful for cross-compiling).
! 56: AC_CHECK_TOOL([AR], [ar], [ar])
! 57: if test -z "$ARFLAGS"; then
! 58: ARFLAGS='cr'
! 59: fi
! 60: AC_SUBST([AR])
! 61: AC_SUBST([ARFLAGS])
! 62: ])
1.1 misho 63:
1.1.1.2 misho 64: dnl Support for automake's --enable-silent-rules.
65: case "$enable_silent_rules" in
66: yes) INTL_DEFAULT_VERBOSITY=0;;
67: no) INTL_DEFAULT_VERBOSITY=1;;
68: *) INTL_DEFAULT_VERBOSITY=1;;
69: esac
70: AC_SUBST([INTL_DEFAULT_VERBOSITY])
71:
1.1 misho 72: AC_CHECK_TYPE([ptrdiff_t], ,
73: [AC_DEFINE([ptrdiff_t], [long],
74: [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
75: ])
1.1.1.3 ! misho 76: AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h])
1.1.1.2 misho 77: AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \
1.1.1.3 ! misho 78: snprintf strnlen uselocale wcslen wcsnlen mbrtowc wcrtomb])
1.1 misho 79:
80: dnl Use the _snprintf function only if it is declared (because on NetBSD it
81: dnl is defined as a weak alias of snprintf; we prefer to use the latter).
1.1.1.3 ! misho 82: AC_CHECK_DECLS([_snprintf, _snwprintf], , , [#include <stdio.h>])
1.1 misho 83:
84: dnl Use the *_unlocked functions only if they are declared.
85: dnl (because some of them were defined without being declared in Solaris
86: dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
87: dnl on Solaris 2.5.1 to run on Solaris 2.6).
1.1.1.3 ! misho 88: AC_CHECK_DECLS([getc_unlocked], , , [#include <stdio.h>])
1.1 misho 89:
90: case $gt_cv_func_printf_posix in
91: *yes) HAVE_POSIX_PRINTF=1 ;;
92: *) HAVE_POSIX_PRINTF=0 ;;
93: esac
94: AC_SUBST([HAVE_POSIX_PRINTF])
95: if test "$ac_cv_func_asprintf" = yes; then
96: HAVE_ASPRINTF=1
97: else
98: HAVE_ASPRINTF=0
99: fi
100: AC_SUBST([HAVE_ASPRINTF])
101: if test "$ac_cv_func_snprintf" = yes; then
102: HAVE_SNPRINTF=1
103: else
104: HAVE_SNPRINTF=0
105: fi
106: AC_SUBST([HAVE_SNPRINTF])
1.1.1.2 misho 107: if test "$ac_cv_func_newlocale" = yes; then
108: HAVE_NEWLOCALE=1
109: else
110: HAVE_NEWLOCALE=0
111: fi
112: AC_SUBST([HAVE_NEWLOCALE])
1.1 misho 113: if test "$ac_cv_func_wprintf" = yes; then
114: HAVE_WPRINTF=1
115: else
116: HAVE_WPRINTF=0
117: fi
118: AC_SUBST([HAVE_WPRINTF])
119:
120: AM_LANGINFO_CODESET
121: gt_LC_MESSAGES
122:
1.1.1.3 ! misho 123: if test $gt_nameless_locales = yes; then
! 124: HAVE_NAMELESS_LOCALES=1
! 125: else
! 126: HAVE_NAMELESS_LOCALES=0
! 127: fi
! 128: AC_SUBST([HAVE_NAMELESS_LOCALES])
! 129:
1.1 misho 130: dnl Compilation on mingw and Cygwin needs special Makefile rules, because
131: dnl 1. when we install a shared library, we must arrange to export
132: dnl auxiliary pointer variables for every exported variable,
133: dnl 2. when we install a shared library and a static library simultaneously,
134: dnl the include file specifies __declspec(dllimport) and therefore we
135: dnl must arrange to define the auxiliary pointer variables for the
136: dnl exported variables _also_ in the static library.
137: if test "$enable_shared" = yes; then
138: case "$host_os" in
139: mingw* | cygwin*) is_woe32dll=yes ;;
140: *) is_woe32dll=no ;;
141: esac
142: else
143: is_woe32dll=no
144: fi
145: WOE32DLL=$is_woe32dll
146: AC_SUBST([WOE32DLL])
147:
148: dnl On mingw and Cygwin, we can activate special Makefile rules which add
149: dnl version information to the shared libraries and executables.
150: case "$host_os" in
151: mingw* | cygwin*) is_woe32=yes ;;
152: *) is_woe32=no ;;
153: esac
154: WOE32=$is_woe32
155: AC_SUBST([WOE32])
156: if test $WOE32 = yes; then
157: dnl Check for a program that compiles Windows resource files.
158: AC_CHECK_TOOL([WINDRES], [windres])
159: fi
160:
161: dnl Rename some macros and functions used for locking.
162: AH_BOTTOM([
163: #define __libc_lock_t gl_lock_t
164: #define __libc_lock_define gl_lock_define
165: #define __libc_lock_define_initialized gl_lock_define_initialized
166: #define __libc_lock_init gl_lock_init
167: #define __libc_lock_lock gl_lock_lock
168: #define __libc_lock_unlock gl_lock_unlock
169: #define __libc_lock_recursive_t gl_recursive_lock_t
170: #define __libc_lock_define_recursive gl_recursive_lock_define
171: #define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized
172: #define __libc_lock_init_recursive gl_recursive_lock_init
173: #define __libc_lock_lock_recursive gl_recursive_lock_lock
174: #define __libc_lock_unlock_recursive gl_recursive_lock_unlock
175: #define glthread_in_use libintl_thread_in_use
1.1.1.2 misho 176: #define glthread_lock_init_func libintl_lock_init_func
177: #define glthread_lock_lock_func libintl_lock_lock_func
178: #define glthread_lock_unlock_func libintl_lock_unlock_func
179: #define glthread_lock_destroy_func libintl_lock_destroy_func
180: #define glthread_rwlock_init_multithreaded libintl_rwlock_init_multithreaded
181: #define glthread_rwlock_init_func libintl_rwlock_init_func
182: #define glthread_rwlock_rdlock_multithreaded libintl_rwlock_rdlock_multithreaded
183: #define glthread_rwlock_rdlock_func libintl_rwlock_rdlock_func
184: #define glthread_rwlock_wrlock_multithreaded libintl_rwlock_wrlock_multithreaded
185: #define glthread_rwlock_wrlock_func libintl_rwlock_wrlock_func
186: #define glthread_rwlock_unlock_multithreaded libintl_rwlock_unlock_multithreaded
187: #define glthread_rwlock_unlock_func libintl_rwlock_unlock_func
188: #define glthread_rwlock_destroy_multithreaded libintl_rwlock_destroy_multithreaded
189: #define glthread_rwlock_destroy_func libintl_rwlock_destroy_func
190: #define glthread_recursive_lock_init_multithreaded libintl_recursive_lock_init_multithreaded
191: #define glthread_recursive_lock_init_func libintl_recursive_lock_init_func
192: #define glthread_recursive_lock_lock_multithreaded libintl_recursive_lock_lock_multithreaded
193: #define glthread_recursive_lock_lock_func libintl_recursive_lock_lock_func
194: #define glthread_recursive_lock_unlock_multithreaded libintl_recursive_lock_unlock_multithreaded
195: #define glthread_recursive_lock_unlock_func libintl_recursive_lock_unlock_func
196: #define glthread_recursive_lock_destroy_multithreaded libintl_recursive_lock_destroy_multithreaded
197: #define glthread_recursive_lock_destroy_func libintl_recursive_lock_destroy_func
198: #define glthread_once_func libintl_once_func
1.1 misho 199: #define glthread_once_singlethreaded libintl_once_singlethreaded
1.1.1.2 misho 200: #define glthread_once_multithreaded libintl_once_multithreaded
1.1 misho 201: ])
202: ])
203:
204:
205: dnl Checks for the core files of the intl subdirectory:
206: dnl dcigettext.c
207: dnl eval-plural.h
208: dnl explodename.c
209: dnl finddomain.c
210: dnl gettextP.h
211: dnl gmo.h
212: dnl hash-string.h hash-string.c
213: dnl l10nflist.c
214: dnl libgnuintl.h.in (except the *printf stuff)
215: dnl loadinfo.h
216: dnl loadmsgcat.c
217: dnl localealias.c
218: dnl log.c
219: dnl plural-exp.h plural-exp.c
220: dnl plural.y
221: dnl Used by libglocale.
222: AC_DEFUN([gt_INTL_SUBDIR_CORE],
223: [
224: AC_REQUIRE([AC_C_INLINE])dnl
225: AC_REQUIRE([AC_TYPE_SIZE_T])dnl
226: AC_REQUIRE([gl_AC_HEADER_STDINT_H])
227: AC_REQUIRE([AC_FUNC_ALLOCA])dnl
228: AC_REQUIRE([AC_FUNC_MMAP])dnl
229: AC_REQUIRE([gt_INTDIV0])dnl
230: AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
231: AC_REQUIRE([gt_INTTYPES_PRI])dnl
232: AC_REQUIRE([gl_LOCK])dnl
233:
1.1.1.2 misho 234: AC_LINK_IFELSE(
235: [AC_LANG_PROGRAM(
236: [[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]],
237: [[]])],
238: [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1],
1.1 misho 239: [Define to 1 if the compiler understands __builtin_expect.])])
240:
241: AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h])
242: AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
1.1.1.3 ! misho 243: stpcpy strcasecmp strdup strtoul tsearch argz_count argz_stringify \
! 244: argz_next __fsetlocking])
1.1 misho 245:
246: dnl Use the *_unlocked functions only if they are declared.
247: dnl (because some of them were defined without being declared in Solaris
248: dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
249: dnl on Solaris 2.5.1 to run on Solaris 2.6).
1.1.1.3 ! misho 250: AC_CHECK_DECLS([feof_unlocked, fgets_unlocked], , , [#include <stdio.h>])
1.1 misho 251:
252: AM_ICONV
253:
254: dnl intl/plural.c is generated from intl/plural.y. It requires bison,
255: dnl because plural.y uses bison specific features. It requires at least
1.1.1.3 ! misho 256: dnl bison-2.7 for %define api.pure.
1.1 misho 257: dnl bison is only needed for the maintainer (who touches plural.y). But in
258: dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
259: dnl the rule in general Makefile. Now, some people carelessly touch the
260: dnl files or have a broken "make" program, hence the plural.c rule will
261: dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
262: dnl present or too old.
263: AC_CHECK_PROGS([INTLBISON], [bison])
264: if test -z "$INTLBISON"; then
265: ac_verc_fail=yes
266: else
267: dnl Found it, now check the version.
268: AC_MSG_CHECKING([version of bison])
269: changequote(<<,>>)dnl
270: ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
271: case $ac_prog_version in
272: '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
1.1.1.3 ! misho 273: 2.[7-9]* | [3-9].*)
1.1 misho 274: changequote([,])dnl
275: ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
276: *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
277: esac
278: AC_MSG_RESULT([$ac_prog_version])
279: fi
280: if test $ac_verc_fail = yes; then
281: INTLBISON=:
282: fi
283: ])
284:
1.1.1.3 ! misho 285: dnl Copies _GL_UNUSED and _GL_ATTRIBUTE_PURE definitions from
! 286: dnl gnulib-common.m4 as a fallback, if the project isn't using Gnulib.
! 287: AC_DEFUN([gt_GL_ATTRIBUTE], [
! 288: m4_ifndef([gl_[]COMMON],
! 289: AH_VERBATIM([gt_gl_attribute],
! 290: [/* Define as a marker that can be attached to declarations that might not
! 291: be used. This helps to reduce warnings, such as from
! 292: GCC -Wunused-parameter. */
! 293: #ifndef _GL_UNUSED
! 294: # if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
! 295: # define _GL_UNUSED __attribute__ ((__unused__))
! 296: # else
! 297: # define _GL_UNUSED
! 298: # endif
! 299: #endif
1.1 misho 300:
1.1.1.3 ! misho 301: /* The __pure__ attribute was added in gcc 2.96. */
! 302: #ifndef _GL_ATTRIBUTE_PURE
! 303: # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
! 304: # define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__))
! 305: # else
! 306: # define _GL_ATTRIBUTE_PURE /* empty */
! 307: # endif
1.1 misho 308: #endif
1.1.1.3 ! misho 309: ]))])
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