cmake: build with libm

Author: ethomson

CMakeLists.txt

@@ -20,6 +20,10 @@ set_target_properties(clar PROPERTIES
 	C_EXTENSIONS OFF
 )
 
+if(NOT WIN32)
+	set(CLAR_LIBRARIES m)
+endif()
+
 if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
 	include(CTest)
 	if(BUILD_TESTING)

example/CMakeLists.txt

@@ -25,4 +25,4 @@ target_include_directories(example PRIVATE
 	"${CMAKE_SOURCE_DIR}"
 	"${CMAKE_CURRENT_BINARY_DIR}"
 )
-target_link_libraries(example clar)
+target_link_libraries(example clar ${CLAR_LIBRARIES})

test/CMakeLists.txt

@@ -38,7 +38,7 @@ target_include_directories(selftest PRIVATE
 	"${CMAKE_SOURCE_DIR}"
 	"${CMAKE_CURRENT_BINARY_DIR}"
 )
-target_link_libraries(selftest clar)
+target_link_libraries(selftest clar ${CLAR_LIBRARIES})
 
 add_test(NAME build_selftest_suite
 	COMMAND "${CMAKE_COMMAND}" --build "${CMAKE_BINARY_DIR}" --config "$<CONFIG>" --target selftest_suite

test/selftest_suite/CMakeLists.txt

@@ -37,4 +37,4 @@ target_include_directories(selftest_suite PRIVATE
 	"${CMAKE_SOURCE_DIR}"
 	"${CMAKE_CURRENT_BINARY_DIR}"
 )
-target_link_libraries(selftest_suite clar)
+target_link_libraries(selftest_suite clar ${CLAR_LIBRARIES})