Merge pull request libgit2#4015 from staticfloat/sf/win_http_parser

Allow Windows with WinHTTP to use external http-parser

Author: Edward Thomson

CMakeLists.txt

@@ -237,8 +237,6 @@ ENDIF()
 
 IF (WIN32 AND WINHTTP)
 	ADD_DEFINITIONS(-DGIT_WINHTTP)
-	INCLUDE_DIRECTORIES(deps/http-parser)
-	FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
 
 	# Since MinGW does not come with headers or an import library for winhttp,
 	# we have to include a private header and generate our own import library
@@ -291,17 +289,6 @@ ELSE ()
 		LINK_LIBRARIES(${CURL_LIBRARIES})
 		LIST(APPEND LIBGIT2_PC_LIBS ${CURL_LDFLAGS})
 	ENDIF()
-
-	FIND_PACKAGE(HTTP_Parser)
-	IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
-		INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
-		LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
-		LIST(APPEND LIBGIT2_PC_LIBS "-lhttp_parser")
-	ELSE()
-		MESSAGE(STATUS "http-parser was not found or is too old; using bundled 3rd-party sources.")
-		INCLUDE_DIRECTORIES(deps/http-parser)
-		FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
-	ENDIF()
 ENDIF()
 
 # Specify sha1 implementation
@@ -332,6 +319,18 @@ IF(WIN32 OR AMIGA OR CMAKE_SYSTEM_NAME MATCHES "(Solaris|SunOS)")
 	SET(SRC_REGEX deps/regex/regex.c)
 ENDIF()
 
+# Optional external dependency: http-parser
+FIND_PACKAGE(HTTP_Parser)
+IF (HTTP_PARSER_FOUND AND HTTP_PARSER_VERSION_MAJOR EQUAL 2)
+	INCLUDE_DIRECTORIES(${HTTP_PARSER_INCLUDE_DIRS})
+	LINK_LIBRARIES(${HTTP_PARSER_LIBRARIES})
+	LIST(APPEND LIBGIT2_PC_LIBS "-lhttp_parser")
+ELSE()
+	MESSAGE(STATUS "http-parser version 2 was not found; using bundled 3rd-party sources.")
+	INCLUDE_DIRECTORIES(deps/http-parser)
+	FILE(GLOB SRC_HTTP deps/http-parser/*.c deps/http-parser/*.h)
+ENDIF()
+
 # Optional external dependency: zlib
 FIND_PACKAGE(ZLIB)
 IF (ZLIB_FOUND)