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-rw-r--r--src/backend/utils/adt/formatting.c4
-rw-r--r--src/include/pg_config.h.in3
-rw-r--r--src/include/regex/regcustom.h4
-rw-r--r--src/include/tsearch/ts_locale.h4
-rw-r--r--src/tools/msvc/Solution.pm1
5 files changed, 3 insertions, 13 deletions
diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index f58331de75b..d0294684e25 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -72,11 +72,9 @@
/*
* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
- * declare them in <wchar.h>.
+ * declare them in <wchar.h>, so include that too.
*/
-#ifdef HAVE_WCHAR_H
#include <wchar.h>
-#endif
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 20700cb85a9..ddc4a3f816a 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -677,9 +677,6 @@
/* Define to 1 if you have the <uuid/uuid.h> header file. */
#undef HAVE_UUID_UUID_H
-/* Define to 1 if you have the <wchar.h> header file. */
-#undef HAVE_WCHAR_H
-
/* Define to 1 if you have the `wcstombs_l' function. */
#undef HAVE_WCSTOMBS_L
diff --git a/src/include/regex/regcustom.h b/src/include/regex/regcustom.h
index 82c9e2fad81..100c52d640f 100644
--- a/src/include/regex/regcustom.h
+++ b/src/include/regex/regcustom.h
@@ -43,11 +43,9 @@
/*
* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
- * declare them in <wchar.h>.
+ * declare them in <wchar.h>, so include that too.
*/
-#ifdef HAVE_WCHAR_H
#include <wchar.h>
-#endif
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
diff --git a/src/include/tsearch/ts_locale.h b/src/include/tsearch/ts_locale.h
index 17536babfe0..cc4bd9ab20d 100644
--- a/src/include/tsearch/ts_locale.h
+++ b/src/include/tsearch/ts_locale.h
@@ -20,11 +20,9 @@
/*
* towlower() and friends should be in <wctype.h>, but some pre-C99 systems
- * declare them in <wchar.h>.
+ * declare them in <wchar.h>, so include that too.
*/
-#ifdef HAVE_WCHAR_H
#include <wchar.h>
-#endif
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 151a41ad5b6..b15dae16a9e 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -396,7 +396,6 @@ sub GenerateFiles
HAVE_UUID_H => undef,
HAVE_UUID_UUID_H => undef,
HAVE_WINLDAP_H => undef,
- HAVE_WCHAR_H => 1,
HAVE_WCSTOMBS_L => 1,
HAVE_WCTYPE_H => 1,
HAVE_X509_GET_SIGNATURE_NID => 1,