MSVC: do not link with -lm

...because the Internet says that math functions are directly in MSVCR.

Author: jktjkt

CMakeLists.txt

@@ -372,8 +372,10 @@ endif()
 
 set_target_properties(yang PROPERTIES VERSION ${LIBYANG_SOVERSION_FULL} SOVERSION ${LIBYANG_SOVERSION})
 
-# link math
-target_link_libraries(yang m)
+if(NOT WIN32)
+    # link math
+    target_link_libraries(yang m)
+endif()
 
 # find pthreads
 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)

tests/CMakeLists.txt

@@ -17,7 +17,10 @@ function(ly_add_utest)
 
     # Set common attributes of all tests
     set_target_properties(${TEST_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/tests")
-    target_link_libraries(${TEST_NAME} ${CMOCKA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${PCRE2_LIBRARIES} ${CMAKE_DL_LIBS} m)
+    target_link_libraries(${TEST_NAME} ${CMOCKA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${PCRE2_LIBRARIES} ${CMAKE_DL_LIBS})
+    if (NOT WIN32)
+        target_link_libraries(${TEST_NAME} m)
+    endif()
     if (NOT APPLE)
         if (ADDTEST_WRAP)
             set_target_properties(${TEST_NAME} PROPERTIES LINK_FLAGS "${ADDTEST_WRAP}")

tests/perf/CMakeLists.txt

@@ -5,7 +5,10 @@ set(format_sources
 
 add_executable(ly_perf ${CMAKE_CURRENT_SOURCE_DIR}/perf.c $<TARGET_OBJECTS:yangobj>)
 set_target_properties(ly_perf PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/tests")
-target_link_libraries(ly_perf ${CMAKE_THREAD_LIBS_INIT} ${PCRE2_LIBRARIES} ${CMAKE_DL_LIBS} m)
+target_link_libraries(ly_perf ${CMAKE_THREAD_LIBS_INIT} ${PCRE2_LIBRARIES} ${CMAKE_DL_LIBS})
+if (NOT WIN32)
+    target_link_libraries(ly_perf m)
+endif()
 
 add_test(NAME ly_perf_1000 COMMAND ly_perf 1000 10)
 add_test(NAME ly_perf_100000 COMMAND ly_perf 100000 3)