From f8de064c0ae7720d426dd7b2843e8efc7b3c8437 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 13 Aug 2017 22:26:44 -0700
Subject: [PATCH] Added wchar.h to fix build on some platforms with new wcs*
 functions

---
 CMakeLists.txt             | 4 ++--
 configure                  | 2 +-
 configure.in               | 2 +-
 include/SDL_config.h.cmake | 1 +
 include/SDL_config.h.in    | 1 +
 include/SDL_stdinc.h       | 3 +++
 6 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8a564c5c..06662ee25 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -615,7 +615,7 @@ endif()
 if(LIBC)
   if(WINDOWS AND NOT MINGW)
     set(HAVE_LIBC TRUE)
-    foreach(_HEADER stdio.h string.h ctype.h math.h)
+    foreach(_HEADER stdio.h string.h wchar.h ctype.h math.h)
       string(TOUPPER "HAVE_${_HEADER}" _UPPER)
       string(REPLACE "." "_" _HAVE_H ${_UPPER})
       set(${_HAVE_H} 1)
@@ -642,7 +642,7 @@ if(LIBC)
     check_include_file(sys/types.h HAVE_SYS_TYPES_H)
     foreach(_HEADER
             stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h
-            strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
+            strings.h wchar.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
       string(TOUPPER "HAVE_${_HEADER}" _UPPER)
       string(REPLACE "." "_" _HAVE_H ${_UPPER})
       check_include_file("${_HEADER}" ${_HAVE_H})
diff --git a/configure b/configure
index 67723943b..3ad1eed34 100755
--- a/configure
+++ b/configure
@@ -16167,7 +16167,7 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
-    for ac_header in sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h
+    for ac_header in sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h wchar.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
diff --git a/configure.in b/configure.in
index 321a56bde..db2e07c4b 100644
--- a/configure.in
+++ b/configure.in
@@ -234,7 +234,7 @@ if test x$enable_libc = xyes; then
 
     dnl Check for C library headers
     AC_HEADER_STDC
-    AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
+    AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h wchar.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
 
     dnl Check for typedefs, structures, etc.
     AC_TYPE_SIZE_T
diff --git a/include/SDL_config.h.cmake b/include/SDL_config.h.cmake
index 43f31d312..faf71ca52 100644
--- a/include/SDL_config.h.cmake
+++ b/include/SDL_config.h.cmake
@@ -73,6 +73,7 @@
 #cmakedefine HAVE_MEMORY_H 1
 #cmakedefine HAVE_STRING_H 1
 #cmakedefine HAVE_STRINGS_H 1
+#cmakedefine HAVE_WCHAR_H 1
 #cmakedefine HAVE_INTTYPES_H 1
 #cmakedefine HAVE_STDINT_H 1
 #cmakedefine HAVE_CTYPE_H 1
diff --git a/include/SDL_config.h.in b/include/SDL_config.h.in
index 19ba45426..a03e57306 100644
--- a/include/SDL_config.h.in
+++ b/include/SDL_config.h.in
@@ -73,6 +73,7 @@
 #undef HAVE_MEMORY_H
 #undef HAVE_STRING_H
 #undef HAVE_STRINGS_H
+#undef HAVE_WCHAR_H
 #undef HAVE_INTTYPES_H
 #undef HAVE_STDINT_H
 #undef HAVE_CTYPE_H
diff --git a/include/SDL_stdinc.h b/include/SDL_stdinc.h
index 646fbfc2d..38c8876f5 100644
--- a/include/SDL_stdinc.h
+++ b/include/SDL_stdinc.h
@@ -62,6 +62,9 @@
 #ifdef HAVE_STRINGS_H
 # include <strings.h>
 #endif
+#ifdef HAVE_WCHAR_H
+# include <wchar.h>
+#endif
 #if defined(HAVE_INTTYPES_H)
 # include <inttypes.h>
 #elif defined(HAVE_STDINT_H)