intl.m4~ 11 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271
  1. # intl.m4 serial 23 (gettext-0.18.3)
  2. dnl Copyright (C) 1995-2013 Free Software Foundation, Inc.
  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
  7. dnl This file can can be used in projects which are not available under
  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
  13. dnl gettext package package is covered by the GNU General Public License.
  14. dnl They are *not* in the public domain.
  15. dnl Authors:
  16. dnl Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
  17. dnl Bruno Haible <haible@clisp.cons.org>, 2000-2009.
  18. AC_PREREQ([2.60])
  19. dnl Checks for all prerequisites of the intl subdirectory,
  20. dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
  21. dnl USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
  22. AC_DEFUN([AM_INTL_SUBDIR],
  23. [
  24. AC_REQUIRE([AC_PROG_INSTALL])dnl
  25. AC_REQUIRE([AC_PROG_MKDIR_P])dnl
  26. AC_REQUIRE([AC_PROG_CC])dnl
  27. AC_REQUIRE([AC_CANONICAL_HOST])dnl
  28. AC_REQUIRE([gt_GLIBC2])dnl
  29. AC_REQUIRE([AC_PROG_RANLIB])dnl
  30. AC_REQUIRE([gl_VISIBILITY])dnl
  31. AC_REQUIRE([gt_INTL_SUBDIR_CORE])dnl
  32. AC_REQUIRE([AC_TYPE_LONG_LONG_INT])dnl
  33. AC_REQUIRE([gt_TYPE_WCHAR_T])dnl
  34. AC_REQUIRE([gt_TYPE_WINT_T])dnl
  35. AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
  36. AC_REQUIRE([gt_TYPE_INTMAX_T])
  37. AC_REQUIRE([gt_PRINTF_POSIX])
  38. AC_REQUIRE([gl_GLIBC21])dnl
  39. AC_REQUIRE([gl_XSIZE])dnl
  40. AC_REQUIRE([gl_FCNTL_O_FLAGS])dnl
  41. AC_REQUIRE([gt_INTL_MACOSX])dnl
  42. dnl Support for automake's --enable-silent-rules.
  43. case "$enable_silent_rules" in
  44. yes) INTL_DEFAULT_VERBOSITY=0;;
  45. no) INTL_DEFAULT_VERBOSITY=1;;
  46. *) INTL_DEFAULT_VERBOSITY=1;;
  47. esac
  48. AC_SUBST([INTL_DEFAULT_VERBOSITY])
  49. AC_CHECK_TYPE([ptrdiff_t], ,
  50. [AC_DEFINE([ptrdiff_t], [long],
  51. [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
  52. ])
  53. AC_CHECK_HEADERS([features.h stddef.h stdlib.h string.h])
  54. AC_CHECK_FUNCS([asprintf fwprintf newlocale putenv setenv setlocale \
  55. snprintf strnlen wcslen wcsnlen mbrtowc wcrtomb])
  56. dnl Use the _snprintf function only if it is declared (because on NetBSD it
  57. dnl is defined as a weak alias of snprintf; we prefer to use the latter).
  58. AC_CHECK_DECLS([_snprintf _snwprintf], , , [#include <stdio.h>])
  59. dnl Use the *_unlocked functions only if they are declared.
  60. dnl (because some of them were defined without being declared in Solaris
  61. dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
  62. dnl on Solaris 2.5.1 to run on Solaris 2.6).
  63. AC_CHECK_DECLS([getc_unlocked], , , [#include <stdio.h>])
  64. case $gt_cv_func_printf_posix in
  65. *yes) HAVE_POSIX_PRINTF=1 ;;
  66. *) HAVE_POSIX_PRINTF=0 ;;
  67. esac
  68. AC_SUBST([HAVE_POSIX_PRINTF])
  69. if test "$ac_cv_func_asprintf" = yes; then
  70. HAVE_ASPRINTF=1
  71. else
  72. HAVE_ASPRINTF=0
  73. fi
  74. AC_SUBST([HAVE_ASPRINTF])
  75. if test "$ac_cv_func_snprintf" = yes; then
  76. HAVE_SNPRINTF=1
  77. else
  78. HAVE_SNPRINTF=0
  79. fi
  80. AC_SUBST([HAVE_SNPRINTF])
  81. if test "$ac_cv_func_newlocale" = yes; then
  82. HAVE_NEWLOCALE=1
  83. else
  84. HAVE_NEWLOCALE=0
  85. fi
  86. AC_SUBST([HAVE_NEWLOCALE])
  87. if test "$ac_cv_func_wprintf" = yes; then
  88. HAVE_WPRINTF=1
  89. else
  90. HAVE_WPRINTF=0
  91. fi
  92. AC_SUBST([HAVE_WPRINTF])
  93. AM_LANGINFO_CODESET
  94. gt_LC_MESSAGES
  95. dnl Compilation on mingw and Cygwin needs special Makefile rules, because
  96. dnl 1. when we install a shared library, we must arrange to export
  97. dnl auxiliary pointer variables for every exported variable,
  98. dnl 2. when we install a shared library and a static library simultaneously,
  99. dnl the include file specifies __declspec(dllimport) and therefore we
  100. dnl must arrange to define the auxiliary pointer variables for the
  101. dnl exported variables _also_ in the static library.
  102. if test "$enable_shared" = yes; then
  103. case "$host_os" in
  104. mingw* | cygwin*) is_woe32dll=yes ;;
  105. *) is_woe32dll=no ;;
  106. esac
  107. else
  108. is_woe32dll=no
  109. fi
  110. WOE32DLL=$is_woe32dll
  111. AC_SUBST([WOE32DLL])
  112. dnl On mingw and Cygwin, we can activate special Makefile rules which add
  113. dnl version information to the shared libraries and executables.
  114. case "$host_os" in
  115. mingw* | cygwin*) is_woe32=yes ;;
  116. *) is_woe32=no ;;
  117. esac
  118. WOE32=$is_woe32
  119. AC_SUBST([WOE32])
  120. if test $WOE32 = yes; then
  121. dnl Check for a program that compiles Windows resource files.
  122. AC_CHECK_TOOL([WINDRES], [windres])
  123. fi
  124. dnl Determine whether when creating a library, "-lc" should be passed to
  125. dnl libtool or not. On many platforms, it is required for the libtool option
  126. dnl -no-undefined to work. On HP-UX, however, the -lc - stored by libtool
  127. dnl in the *.la files - makes it impossible to create multithreaded programs,
  128. dnl because libtool also reorders the -lc to come before the -pthread, and
  129. dnl this disables pthread_create() <http://docs.hp.com/en/1896/pthreads.html>.
  130. case "$host_os" in
  131. hpux*) LTLIBC="" ;;
  132. *) LTLIBC="-lc" ;;
  133. esac
  134. AC_SUBST([LTLIBC])
  135. dnl Rename some macros and functions used for locking.
  136. AH_BOTTOM([
  137. #define __libc_lock_t gl_lock_t
  138. #define __libc_lock_define gl_lock_define
  139. #define __libc_lock_define_initialized gl_lock_define_initialized
  140. #define __libc_lock_init gl_lock_init
  141. #define __libc_lock_lock gl_lock_lock
  142. #define __libc_lock_unlock gl_lock_unlock
  143. #define __libc_lock_recursive_t gl_recursive_lock_t
  144. #define __libc_lock_define_recursive gl_recursive_lock_define
  145. #define __libc_lock_define_initialized_recursive gl_recursive_lock_define_initialized
  146. #define __libc_lock_init_recursive gl_recursive_lock_init
  147. #define __libc_lock_lock_recursive gl_recursive_lock_lock
  148. #define __libc_lock_unlock_recursive gl_recursive_lock_unlock
  149. #define glthread_in_use libintl_thread_in_use
  150. #define glthread_lock_init_func libintl_lock_init_func
  151. #define glthread_lock_lock_func libintl_lock_lock_func
  152. #define glthread_lock_unlock_func libintl_lock_unlock_func
  153. #define glthread_lock_destroy_func libintl_lock_destroy_func
  154. #define glthread_rwlock_init_multithreaded libintl_rwlock_init_multithreaded
  155. #define glthread_rwlock_init_func libintl_rwlock_init_func
  156. #define glthread_rwlock_rdlock_multithreaded libintl_rwlock_rdlock_multithreaded
  157. #define glthread_rwlock_rdlock_func libintl_rwlock_rdlock_func
  158. #define glthread_rwlock_wrlock_multithreaded libintl_rwlock_wrlock_multithreaded
  159. #define glthread_rwlock_wrlock_func libintl_rwlock_wrlock_func
  160. #define glthread_rwlock_unlock_multithreaded libintl_rwlock_unlock_multithreaded
  161. #define glthread_rwlock_unlock_func libintl_rwlock_unlock_func
  162. #define glthread_rwlock_destroy_multithreaded libintl_rwlock_destroy_multithreaded
  163. #define glthread_rwlock_destroy_func libintl_rwlock_destroy_func
  164. #define glthread_recursive_lock_init_multithreaded libintl_recursive_lock_init_multithreaded
  165. #define glthread_recursive_lock_init_func libintl_recursive_lock_init_func
  166. #define glthread_recursive_lock_lock_multithreaded libintl_recursive_lock_lock_multithreaded
  167. #define glthread_recursive_lock_lock_func libintl_recursive_lock_lock_func
  168. #define glthread_recursive_lock_unlock_multithreaded libintl_recursive_lock_unlock_multithreaded
  169. #define glthread_recursive_lock_unlock_func libintl_recursive_lock_unlock_func
  170. #define glthread_recursive_lock_destroy_multithreaded libintl_recursive_lock_destroy_multithreaded
  171. #define glthread_recursive_lock_destroy_func libintl_recursive_lock_destroy_func
  172. #define glthread_once_func libintl_once_func
  173. #define glthread_once_singlethreaded libintl_once_singlethreaded
  174. #define glthread_once_multithreaded libintl_once_multithreaded
  175. ])
  176. ])
  177. dnl Checks for the core files of the intl subdirectory:
  178. dnl dcigettext.c
  179. dnl eval-plural.h
  180. dnl explodename.c
  181. dnl finddomain.c
  182. dnl gettextP.h
  183. dnl gmo.h
  184. dnl hash-string.h hash-string.c
  185. dnl l10nflist.c
  186. dnl libgnuintl.h.in (except the *printf stuff)
  187. dnl loadinfo.h
  188. dnl loadmsgcat.c
  189. dnl localealias.c
  190. dnl log.c
  191. dnl plural-exp.h plural-exp.c
  192. dnl plural.y
  193. dnl Used by libglocale.
  194. AC_DEFUN([gt_INTL_SUBDIR_CORE],
  195. [
  196. AC_REQUIRE([AC_C_INLINE])dnl
  197. AC_REQUIRE([AC_TYPE_SIZE_T])dnl
  198. AC_REQUIRE([gl_AC_HEADER_STDINT_H])
  199. AC_REQUIRE([AC_FUNC_ALLOCA])dnl
  200. AC_REQUIRE([AC_FUNC_MMAP])dnl
  201. AC_REQUIRE([gt_INTDIV0])dnl
  202. AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])dnl
  203. AC_REQUIRE([gt_INTTYPES_PRI])dnl
  204. AC_REQUIRE([gl_LOCK])dnl
  205. AC_LINK_IFELSE(
  206. [AC_LANG_PROGRAM(
  207. [[int foo (int a) { a = __builtin_expect (a, 10); return a == 10 ? 0 : 1; }]],
  208. [[]])],
  209. [AC_DEFINE([HAVE_BUILTIN_EXPECT], [1],
  210. [Define to 1 if the compiler understands __builtin_expect.])])
  211. AC_CHECK_HEADERS([argz.h inttypes.h limits.h unistd.h sys/param.h])
  212. AC_CHECK_FUNCS([getcwd getegid geteuid getgid getuid mempcpy munmap \
  213. stpcpy strcasecmp strdup strtoul tsearch uselocale argz_count \
  214. argz_stringify argz_next __fsetlocking])
  215. dnl Use the *_unlocked functions only if they are declared.
  216. dnl (because some of them were defined without being declared in Solaris
  217. dnl 2.5.1 but were removed in Solaris 2.6, whereas we want binaries built
  218. dnl on Solaris 2.5.1 to run on Solaris 2.6).
  219. AC_CHECK_DECLS([feof_unlocked fgets_unlocked], , , [#include <stdio.h>])
  220. AM_ICONV
  221. dnl intl/plural.c is generated from intl/plural.y. It requires bison,
  222. dnl because plural.y uses bison specific features. It requires at least
  223. dnl bison-1.26 because earlier versions generate a plural.c that doesn't
  224. dnl compile.
  225. dnl bison is only needed for the maintainer (who touches plural.y). But in
  226. dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
  227. dnl the rule in general Makefile. Now, some people carelessly touch the
  228. dnl files or have a broken "make" program, hence the plural.c rule will
  229. dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
  230. dnl present or too old.
  231. AC_CHECK_PROGS([INTLBISON], [bison])
  232. if test -z "$INTLBISON"; then
  233. ac_verc_fail=yes
  234. else
  235. dnl Found it, now check the version.
  236. AC_MSG_CHECKING([version of bison])
  237. changequote(<<,>>)dnl
  238. ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
  239. case $ac_prog_version in
  240. '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
  241. 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
  242. changequote([,])dnl
  243. ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
  244. *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
  245. esac
  246. AC_MSG_RESULT([$ac_prog_version])
  247. fi
  248. if test $ac_verc_fail = yes; then
  249. INTLBISON=:
  250. fi
  251. ])