Move CMake stuff to separate directory

CMakeLists.txt

@@ -19,11 +19,11 @@ set(SOURCES
     mxml-set.c
     mxml-string.c)
 
-configure_file(config.h.in config.h)
-set(HEADERS mxml-private.h ${CMAKE_CURRENT_BINARY_DIR}/config.h)
+#configure_file(config.h.in config.h)
+set(HEADERS mxml-private.h cmake/config.h)
 
 add_library(${PROJECT_NAME} ${SOURCES} ${HEADERS})
-target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 add_library(MSweet::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
 
 # install library
@@ -47,6 +47,6 @@ install(FILES mxml.h DESTINATION include)
 include(CMakePackageConfigHelpers)
 write_basic_package_version_file(${PROJECT_NAME}ConfigVersion.cmake
                                  COMPATIBILITY SameMajorVersion)
-install(FILES ${PROJECT_NAME}Config.cmake
+install(FILES cmake/${PROJECT_NAME}Config.cmake
               ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
         DESTINATION lib/cmake/${PROJECT_NAME})

cmake/config.h

@@ -0,0 +1,74 @@
+/*
+ * Xcode configuration file for Mini-XML, a small XML file parsing library.
+ *
+ * https://www.msweet.org/mxml
+ *
+ * Copyright © 2003-2020 by Michael R Sweet.
+ *
+ * Licensed under Apache License v2.0.  See the file "LICENSE" for more
+ * information.
+ */
+
+/*
+ * Include necessary headers...
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <ctype.h>
+
+
+/*
+ * Version number...
+ */
+
+#define MXML_VERSION "Mini-XML v3.2"
+
+
+/*
+ * Inline function support...
+ */
+
+#define inline
+
+
+/*
+ * Long long support...
+ */
+
+#define HAVE_LONG_LONG 1
+
+
+/*
+ * Do we have the *printf() functions?
+ */
+
+#define HAVE_SNPRINTF 1
+#define HAVE_VASPRINTF 1
+#define HAVE_VSNPRINTF 1
+
+
+/*
+ * Do we have the strXXX() functions?
+ */
+
+#define HAVE_STRDUP 1
+#define HAVE_STRLCAT 1
+#define HAVE_STRLCPY 1
+
+
+/*
+ * Do we have threading support?
+ */
+
+#define HAVE_PTHREAD_H 1
+
+
+/*
+ * Define prototypes for string functions as needed...
+ */
+
+extern char	*_mxml_strdupf(const char *, ...);
+extern char	*_mxml_vstrdupf(const char *, va_list);