cmake: Adjusted test for time.h, added test of strtoll function

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

CMakeLists.txt

@@ -20,7 +20,9 @@ set( VERSION R14.1.0 )
 
 include( FindPkgConfig          )
 include( CheckIncludeFile       )
+include( CheckIncludeFiles      )
 include( CheckLibraryExists     )
+include( CheckFunctionExists    )
 include( CheckCSourceCompiles   )
 include( CheckCXXSourceCompiles )
 

ConfigureChecks.cmake

@@ -33,4 +33,10 @@ endif( WITH_GCC_VISIBILITY )
 
 check_include_file( "sys/select.h" HAVE_SYS_SELECT_H  )
 check_include_file( "sys/time.h"   HAVE_SYS_TIME_H    )
-check_include_file( "time.h"       TIME_WITH_SYS_TIME )
+
+check_include_files( "sys/time.h;time.h" TIME_WITH_SYS_TIME )
+
+
+#### check for functions
+
+check_function_exists( strtoll HAVE_STRTOLL )

config.h.cmake

@@ -13,8 +13,8 @@
 // Defined to 1 if you have 'sys/select.h' header
 #cmakedefine HAVE_SYS_SELECT_H 	1
 
-// Defined to 1 if you have 'time.h' header
+// Defined to 1 if 'time.h' header can be included together with 'sys/time.h'
 #cmakedefine TIME_WITH_SYS_TIME	1
 
 // We should have 'strtol, strtoll' in stdlib.h header or in cstdlib with c++
-#define HAVE_STRTOLL	1
+#cmakedefine HAVE_STRTOLL	1