Handle HAVE_STDLIB_H variable in the new cmake file

config/CMakeChecks.txt

@@ -70,7 +70,6 @@ ENDIF( EXIV2_ENABLE_COMMERCIAL )
 
 # checking for Header files
 check_include_file( "inttypes.h" have_inttypes_h )
-check_include_file( "stdlib.h" HAVE_STDLIB_H )
 check_include_file( "string.h" HAVE_STRING_H )
 check_include_file( "strings.h" HAVE_STRINGS_H )
 check_include_file( "wchar.h" HAVE_WCHAR_H )
@@ -110,8 +109,7 @@ IF( NOT MSVC )
     SET( HAVE_PID_T TRUE )
 ENDIF( NOT MSVC )
 
-SET( EXV_SYMBOLS HAVE_STDLIB_H
-                 HAVE_STRCHR
+SET( EXV_SYMBOLS HAVE_STRCHR
                  HAVE_STRCHR_R
                  HAVE_STRERROR
                  HAVE_STRERROR_R

config/config.h.cmake

@@ -71,8 +71,8 @@
 #endif
 #endif
 
-/* Define to 1 if you have the <stdlib.h> header file. */
-#cmakedefine EXV_HAVE_STDLIB_H 1
+// Definition to indicate if you have the <stdlib.h> header file.
+#cmakedefine EXV_HAVE_STDLIB_H
 
 /* Define to 1 if you have the `strchr' function. */
 #cmakedefine EXV_HAVE_STRCHR 1

config/generateConfigFile.cmake

@@ -28,6 +28,7 @@ check_include_file( "memory.h"  EXV_HAVE_MEMORY_H )
 check_include_file( "process.h" EXV_HAVE_PROCESS_H )
 check_include_file( "stdbool.h" EXV_HAVE_STDBOOL_H )
 check_include_file( "stdint.h"  EXV_HAVE_STDINT_H )
+check_include_file( "stdlib.h"  EXV_HAVE_STDLIB_H )
 
 if (NOT EXV_HAVE_LIBINTL_H)
     set(EXV_ENABLE_NLS 0)