aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/test/regress/pg_regress.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
index c1bef1b5a1d..7901e46fd47 100644
--- a/src/test/regress/pg_regress.c
+++ b/src/test/regress/pg_regress.c
@@ -798,9 +798,17 @@ initialize_environment(void)
unsetenv("LC_NUMERIC");
unsetenv("LC_TIME");
unsetenv("LANG");
- /* On Windows the default locale cannot be English, so force it */
-#if defined(WIN32) || defined(__CYGWIN__)
- putenv("LANG=en");
+
+ /*
+ * Most platforms have adopted the POSIX locale as their
+ * implementation-defined default locale. Exceptions include native
+ * Windows, Darwin with --enable-nls, and Cygwin with --enable-nls.
+ * (Use of --enable-nls matters because libintl replaces setlocale().)
+ * Also, PostgreSQL does not support Darwin with locale environment
+ * variables unset; see PostmasterMain().
+ */
+#if defined(WIN32) || defined(__CYGWIN__) || defined(__darwin__)
+ putenv("LANG=C");
#endif
}