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Diffstat (limited to 'gnulib-m4/setlocale_null.m4')
-rw-r--r--gnulib-m4/setlocale_null.m445
1 files changed, 32 insertions, 13 deletions
diff --git a/gnulib-m4/setlocale_null.m4 b/gnulib-m4/setlocale_null.m4
index 09ea50ea..54d3d46d 100644
--- a/gnulib-m4/setlocale_null.m4
+++ b/gnulib-m4/setlocale_null.m4
@@ -1,5 +1,5 @@
-# setlocale_null.m4 serial 5
-dnl Copyright (C) 2019-2022 Free Software Foundation, Inc.
+# setlocale_null.m4 serial 9
+dnl Copyright (C) 2019-2024 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.
@@ -13,11 +13,25 @@ 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 "$host_os" in
- # Guess no on musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku, Cygwin.
- *-musl* | darwin* | freebsd* | midnightbsd* | netbsd* | openbsd* | aix* | haiku* | cygwin*)
+ # Guess no on musl libc, macOS, FreeBSD, NetBSD, OpenBSD, AIX, Haiku.
+ *-musl* | midipix* | darwin* | freebsd* | midnightbsd* | netbsd* | openbsd* | aix* | haiku*)
gl_cv_func_setlocale_null_all_mtsafe=no ;;
+ # Guess no on Cygwin < 3.4.6.
+ cygwin*)
+ AC_EGREP_CPP([Lucky user],
+ [
+#if defined __CYGWIN__
+ #include <cygwin/version.h>
+ #if CYGWIN_VERSION_DLL_COMBINED >= CYGWIN_VERSION_DLL_MAKE_COMBINED (3004, 6)
+ Lucky user
+ #endif
+#endif
+ ],
+ [gl_cv_func_setlocale_null_all_mtsafe=yes],
+ [gl_cv_func_setlocale_null_all_mtsafe=no])
+ ;;
# Guess yes on glibc, HP-UX, IRIX, Solaris, native Windows.
- *-gnu* | gnu* | hpux* | irix* | solaris* | mingw*)
+ *-gnu* | gnu* | hpux* | irix* | solaris* | mingw* | windows*)
gl_cv_func_setlocale_null_all_mtsafe=yes ;;
# If we don't know, obey --enable-cross-guesses.
*)
@@ -26,7 +40,7 @@ AC_DEFUN([gl_FUNC_SETLOCALE_NULL],
])
dnl On platforms without multithreading, there is no issue.
case "$host_os" in
- mingw*) ;;
+ mingw* | windows*) ;;
*)
if test $gl_pthread_api = no && test $ac_cv_header_threads_h = no; then
gl_cv_func_setlocale_null_all_mtsafe="trivially yes"
@@ -48,7 +62,7 @@ AC_DEFUN([gl_FUNC_SETLOCALE_NULL],
openbsd* | aix*)
gl_cv_func_setlocale_null_one_mtsafe=no ;;
# Guess yes on glibc, musl libc, macOS, FreeBSD, NetBSD, HP-UX, IRIX, Solaris, Haiku, Cygwin, native Windows.
- *-gnu* | gnu* | *-musl* | darwin* | freebsd* | midnightbsd* | netbsd* | hpux* | irix* | solaris* | haiku* | cygwin* | mingw*)
+ *-gnu* | gnu* | *-musl* | midipix* | darwin* | freebsd* | midnightbsd* | netbsd* | hpux* | irix* | solaris* | haiku* | cygwin* | mingw* | windows*)
gl_cv_func_setlocale_null_one_mtsafe=yes ;;
# If we don't know, obey --enable-cross-guesses.
*)
@@ -57,7 +71,7 @@ AC_DEFUN([gl_FUNC_SETLOCALE_NULL],
])
dnl On platforms without multithreading, there is no issue.
case "$host_os" in
- mingw*) ;;
+ mingw* | windows*) ;;
*)
if test $gl_pthread_api = no && test $ac_cv_header_threads_h = no; then
gl_cv_func_setlocale_null_one_mtsafe="trivially yes"
@@ -74,20 +88,25 @@ AC_DEFUN([gl_FUNC_SETLOCALE_NULL],
dnl Determine link dependencies of lib/setlocale_null.c and lib/setlocale-lock.c.
if test $SETLOCALE_NULL_ALL_MTSAFE = 0 || test $SETLOCALE_NULL_ONE_MTSAFE = 0; then
case "$host_os" in
- mingw*) LIB_SETLOCALE_NULL= ;;
+ mingw* | windows*)
+ SETLOCALE_NULL_LIB=
+ ;;
*)
gl_WEAK_SYMBOLS
case "$gl_cv_have_weak" in
- *yes) LIB_SETLOCALE_NULL= ;;
- *) LIB_SETLOCALE_NULL="$LIBPTHREAD" ;;
+ *yes) SETLOCALE_NULL_LIB= ;;
+ *) SETLOCALE_NULL_LIB="$LIBPTHREAD" ;;
esac
;;
esac
else
- LIB_SETLOCALE_NULL=
+ SETLOCALE_NULL_LIB=
fi
- dnl LIB_SETLOCALE_NULL is expected to be '-pthread' or '-lpthread' on AIX
+ dnl SETLOCALE_NULL_LIB is expected to be '-pthread' or '-lpthread' on AIX
dnl with gcc or xlc, and empty otherwise.
+ AC_SUBST([SETLOCALE_NULL_LIB])
+ dnl For backward compatibility.
+ LIB_SETLOCALE_NULL="$SETLOCALE_NULL_LIB"
AC_SUBST([LIB_SETLOCALE_NULL])
])