Issue #970: Rename features.h to json_features.h (#1024)

This patch fixes a build issue on CMake, presumably due to the new glibc
having a features.h include file. This patch renames our features.h file
to avoid a name collision.

amalgamate.py

@@ -75,7 +75,7 @@ def amalgamate_source(source_top_dir=None,
     header.add_file(os.path.join(INCLUDE_PATH, "allocator.h"))
     header.add_file(os.path.join(INCLUDE_PATH, "config.h"))
     header.add_file(os.path.join(INCLUDE_PATH, "forwards.h"))
-    header.add_file(os.path.join(INCLUDE_PATH, "features.h"))
+    header.add_file(os.path.join(INCLUDE_PATH, "json_features.h"))
     header.add_file(os.path.join(INCLUDE_PATH, "value.h"))
     header.add_file(os.path.join(INCLUDE_PATH, "reader.h"))
     header.add_file(os.path.join(INCLUDE_PATH, "writer.h"))

include/json/forwards.h

@@ -25,7 +25,7 @@ class Reader;
 class CharReader;
 class CharReaderBuilder;
 
-// features.h
+// json_features.h
 class Features;
 
 // value.h

include/json/json.h

@@ -7,7 +7,7 @@
 #define JSON_JSON_H_INCLUDED
 
 #include "autolink.h"
-#include "features.h"
+#include "json_features.h"
 #include "reader.h"
 #include "value.h"
 #include "writer.h"

include/json/reader.h

@@ -7,7 +7,7 @@
 #define CPPTL_JSON_READER_H_INCLUDED
 
 #if !defined(JSON_IS_AMALGAMATION)
-#include "features.h"
+#include "json_features.h"
 #include "value.h"
 #endif // if !defined(JSON_IS_AMALGAMATION)
 #include <deque>

meson.build

@@ -23,7 +23,7 @@ jsoncpp_headers = [
   'include/json/assertions.h',
   'include/json/autolink.h',
   'include/json/config.h',
-  'include/json/features.h',
+  'include/json/json_features.h',
   'include/json/forwards.h',
   'include/json/json.h',
   'include/json/reader.h',

src/lib_json/CMakeLists.txt

@@ -42,7 +42,7 @@ set( JSONCPP_INCLUDE_DIR ../../include )
 set( PUBLIC_HEADERS
     ${JSONCPP_INCLUDE_DIR}/json/config.h
     ${JSONCPP_INCLUDE_DIR}/json/forwards.h
-    ${JSONCPP_INCLUDE_DIR}/json/features.h
+    ${JSONCPP_INCLUDE_DIR}/json/json_features.h
     ${JSONCPP_INCLUDE_DIR}/json/value.h
     ${JSONCPP_INCLUDE_DIR}/json/reader.h
     ${JSONCPP_INCLUDE_DIR}/json/version.h