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| author | Bruno Haible <bruno@clisp.org> | 2023-02-06 18:33:37 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2023-02-06 18:33:37 +0100 |
| commit | 6ffba6a32b3bfa13589a6b3e7489ee00a7354db2 (patch) | |
| tree | 70ecff1c8926f0f75f82a24b7813398ff3260162 /m4 | |
| parent | c24b80755ec08abe0976483984fd0ddff3c12ca4 (diff) | |
| download | gnulib-6ffba6a32b3bfa13589a6b3e7489ee00a7354db2.tar.gz | |
setlocale-null: Don't use a lock in Cygwin >= 3.4.6.
Road paved by Corinna Vinschen <vinschen@redhat.com>.
* m4/setlocale_null.m4 (gl_FUNC_SETLOCALE_NULL): Assume that
setlocale (LC_ALL, NULL) is multithread-safe in Cygwin >= 3.4.6.
* lib/setlocale_null.c: Update comments.
* tests/test-setlocale_null-mt-all.c: Likewise.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/setlocale_null.m4 | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/m4/setlocale_null.m4 b/m4/setlocale_null.m4 index dd6a5ef538..b41df499a8 100644 --- a/m4/setlocale_null.m4 +++ b/m4/setlocale_null.m4 @@ -1,4 +1,4 @@ -# setlocale_null.m4 serial 6 +# setlocale_null.m4 serial 7 dnl Copyright (C) 2019-2023 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -13,9 +13,23 @@ AC_DEFUN([gl_FUNC_SETLOCALE_NULL], AC_CACHE_CHECK([whether setlocale (LC_ALL, NULL) is multithread-safe], [gl_cv_func_setlocale_null_all_mtsafe], [case "$host_os" in - # Guess no on musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin. - *-musl* | darwin* | freebsd* | midnightbsd* | netbsd* | openbsd* | aix* | haiku* | cygwin*) + # Guess no on musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku. + *-musl* | darwin* | freebsd* | midnightbsd* | netbsd* | openbsd* | aix* | haiku*) gl_cv_func_setlocale_null_all_mtsafe=no ;; + # Guess no on Cygwin < 3.4.6. + cygwin*) + AC_EGREP_CPP([Lucky user], + [ +#if defined __CYGWIN__ + #include <cygwin/version.h> + #if CYGWIN_VERSION_DLL_COMBINED >= CYGWIN_VERSION_DLL_MAKE_COMBINED (3004, 6) + Lucky user + #endif +#endif + ], + [gl_cv_func_setlocale_null_all_mtsafe=yes], + [gl_cv_func_setlocale_null_all_mtsafe=no]) + ;; # Guess yes on glibc, HP-UX, IRIX, Solaris, native Windows. *-gnu* | gnu* | hpux* | irix* | solaris* | mingw*) gl_cv_func_setlocale_null_all_mtsafe=yes ;; |