better separate linux and non-linux checks for clock_gettime

1 files changed, 15 insertions, 10 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b20778..549849f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -264,21 +264,12 @@ endif()
 
 set(OPENSSL_LIBS tls ssl crypto)
 
+# Add additional required libs
 if(WIN32)
         set(OPENSSL_LIBS ${OPENSSL_LIBS} ws2_32)
 endif()
-
-check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
-if(HAVE_CLOCK_GETTIME)
-        add_definitions(-DHAVE_CLOCK_GETTIME)
-endif()
-
 if(CMAKE_SYSTEM_NAME MATCHES "Linux")
         set(OPENSSL_LIBS ${OPENSSL_LIBS} pthread)
-        check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME)
-        if (HAVE_CLOCK_GETTIME)
-                set(OPENSSL_LIBS ${OPENSSL_LIBS} rt)
-        endif()
 endif()
 if(CMAKE_SYSTEM_NAME MATCHES "HP-UX")
         set(OPENSSL_LIBS ${OPENSSL_LIBS} pthread)
@@ -287,6 +278,20 @@ if(CMAKE_SYSTEM_NAME MATCHES "SunOS")
         set(OPENSSL_LIBS ${OPENSSL_LIBS} nsl socket)
 endif()
 
+if(CMAKE_SYSTEM_NAME MATCHES "Linux")
+        # Check if we need -lrt to get clock_gettime on Linux
+        check_library_exists(rt clock_gettime "time.h" HAVE_CLOCK_GETTIME)
+        if (HAVE_CLOCK_GETTIME)
+                set(OPENSSL_LIBS ${OPENSSL_LIBS} rt)
+        endif()
+else()
+        # Otherwise, simply check if it exists
+        check_function_exists(clock_gettime HAVE_CLOCK_GETTIME)
+endif()
+if(HAVE_CLOCK_GETTIME)
+        add_definitions(-DHAVE_CLOCK_GETTIME)
+endif()
+
 check_type_size(time_t SIZEOF_TIME_T)
 if(SIZEOF_TIME_T STREQUAL "4")
         set(SMALL_TIME_T true)