cmake: Fix possible issues with librt during configure
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index c2064dd..31c5a94 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -100,11 +100,9 @@
endif (WIN32)
find_library(RT_LIBRARY rt)
-if (RT_LIBRARY)
- set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
-endif (RT_LIBRARY)
-
-set(CMOCKA_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "cmocka required system libraries")
+if (RT_LIBRARY AND NOT LINUX)
+ set(CMOCKA_REQUIRED_LIBRARIES ${RT_LIBRARY} CACHE INTERNAL "cmocka required system libraries")
+endif ()
# OPTIONS
check_c_source_compiles("
@@ -124,9 +122,10 @@
endif(WIN32)
if (HAVE_TIME_H AND HAVE_STRUCT_TIMESPEC AND HAVE_CLOCK_GETTIME)
- set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
+ if (RT_LIBRARY)
+ set(CMAKE_REQUIRED_LIBRARIES ${RT_LIBRARY})
+ endif()
- message(STATUS "CMAKE_REQUIRED_INCLUDES=${CMAKE_REQUIRED_INCLUDES} CMAKE_REQUIRED_LIBRARIES=${CMAKE_REQUIRED_LIBRARIES}")
check_c_source_compiles("
#include <time.h>
@@ -137,7 +136,10 @@
return 0;
}" HAVE_CLOCK_GETTIME_REALTIME)
+
+ # reset cmake requirements
set(CMAKE_REQUIRED_INCLUDES)
+ set(CMAKE_REQUIRED_LIBRARIES)
endif ()
# ENDIAN
