X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Flocale-zh.m4;h=d3b23474208c49006ae15034f5cd7c7b4418cbad;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=c7409a40f243b9ecd984a3ab485cb208926fc2e7;hpb=0204694e7c105253d8e8d7e5d560fda9e8680272;p=gnulib.git diff --git a/m4/locale-zh.m4 b/m4/locale-zh.m4 index c7409a40f..d3b234742 100644 --- a/m4/locale-zh.m4 +++ b/m4/locale-zh.m4 @@ -1,5 +1,5 @@ -# locale-zh.m4 serial 1 -dnl Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc. +# locale-zh.m4 serial 12 +dnl Copyright (C) 2003, 2005-2014 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -11,24 +11,8 @@ AC_DEFUN([gt_LOCALE_ZH_CN], [ AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AM_LANGINFO_CODESET]) - AC_CACHE_CHECK([for a transitional chinese locale], gt_cv_locale_zh_CN, [ - macosx= - case "$host_os" in - darwin[56]*) ;; - darwin*) macosx=yes;; - esac - if test -n "$macosx"; then - # On Darwin 7 (MacOS X), the libc supports some locales in non-UTF-8 - # encodings, but the kernel does not support them. The documentation - # says: - # "... all code that calls BSD system routines should ensure - # that the const *char parameters of these routines are in UTF-8 - # encoding. All BSD system functions expect their string - # parameters to be in UTF-8 encoding and nothing else." - # See the comments in config.charset. Therefore we bypass the test. - gt_cv_locale_zh_CN=none - else - AC_LANG_CONFTEST([AC_LANG_SOURCE([ + AC_CACHE_CHECK([for a transitional chinese locale], [gt_cv_locale_zh_CN], [ + AC_LANG_CONFTEST([AC_LANG_SOURCE([ changequote(,)dnl #include #include @@ -36,21 +20,49 @@ changequote(,)dnl #if HAVE_LANGINFO_CODESET # include #endif +#include +#include struct tm t; char buf[16]; int main () { const char *p; /* Check whether the given locale name is recognized by the system. */ +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* On native Windows, setlocale(category, "") looks at the system settings, + not at the environment variables. Also, when an encoding suffix such + as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE + category of the locale to "C". */ + if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL + || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) + return 1; +#else if (setlocale (LC_ALL, "") == NULL) return 1; - /* Check whether nl_langinfo(CODESET) is nonempty. - On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) - is empty, and the behaviour of Tcl 8.4 in this locale is not useful. */ +#endif + /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". + On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) + is empty, and the behaviour of Tcl 8.4 in this locale is not useful. + On OpenBSD 4.0, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "646". In this situation, + some unit tests fail. + On MirBSD 10, when an unsupported locale is specified, setlocale() + succeeds but then nl_langinfo(CODESET) is "UTF-8". */ #if HAVE_LANGINFO_CODESET - if (nl_langinfo (CODESET) [0] == '\0') return 1; + { + const char *cs = nl_langinfo (CODESET); + if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0 + || strcmp (cs, "UTF-8") == 0) + return 1; + } +#endif +#ifdef __CYGWIN__ + /* On Cygwin, avoid locale names without encoding suffix, because the + locale_charset() function relies on the encoding suffix. Note that + LC_ALL is set on the command line. */ + if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; #endif /* Check whether in a month name, no byte in the range 0x80..0x9F occurs. - This excludes the UTF-8 encoding. */ + This excludes the UTF-8 encoding (except on MirBSD). */ t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1; for (p = buf; *p != '\0'; p++) @@ -63,31 +75,55 @@ int main () return 0; } changequote([,])dnl - ])]) - if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then - # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because - # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the - # configure script would override the LC_ALL setting. Likewise for - # LC_CTYPE, which is also set at the beginning of the configure script. - # Test for the locale name without encoding suffix. - if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then - gt_cv_locale_zh_CN=zh_CN - else - # Test for the locale name with explicit encoding suffix. - if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then - gt_cv_locale_zh_CN=zh_CN.GB18030 + ])]) + if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then + case "$host_os" in + # Handle native Windows specially, because there setlocale() interprets + # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", + # "fr" or "fra" as "French" or "French_France.1252", + # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", + # "ja" as "Japanese" or "Japanese_Japan.932", + # and similar. + mingw*) + # Test for the hypothetical native Windows locale name. + if (LC_ALL=Chinese_China.54936 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=Chinese_China.54936 else # None found. gt_cv_locale_zh_CN=none fi - fi - else - # If there was a link error, due to mblen(), the system is so old that - # it certainly doesn't have a chinese locale. - gt_cv_locale_zh_CN=none - fi - rm -fr conftest* + ;; + solaris2.8) + # On Solaris 8, the locales zh_CN.GB18030, zh_CN.GBK, zh.GBK are + # broken. One witness is the test case in gl_MBRTOWC_SANITYCHECK. + # Another witness is that "LC_ALL=zh_CN.GB18030 bash -c true" dumps core. + gt_cv_locale_zh_CN=none + ;; + *) + # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because + # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the + # configure script would override the LC_ALL setting. Likewise for + # LC_CTYPE, which is also set at the beginning of the configure script. + # Test for the locale name without encoding suffix. + if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=zh_CN + else + # Test for the locale name with explicit encoding suffix. + if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then + gt_cv_locale_zh_CN=zh_CN.GB18030 + else + # None found. + gt_cv_locale_zh_CN=none + fi + fi + ;; + esac + else + # If there was a link error, due to mblen(), the system is so old that + # it certainly doesn't have a chinese locale. + gt_cv_locale_zh_CN=none fi + rm -fr conftest* ]) LOCALE_ZH_CN=$gt_cv_locale_zh_CN AC_SUBST([LOCALE_ZH_CN])