build: Remove requirement for catkin

CMakeLists.txt

-cmake_minimum_required(VERSION 2.8.3)
+cmake_minimum_required(VERSION 3.0)
 project(serial)
 
-# Find catkin
-find_package(catkin REQUIRED)
-
 if(APPLE)
     find_library(IOKIT_LIBRARY IOKit)
     find_library(FOUNDATION_LIBRARY Foundation)
 endif()
 
-if(UNIX AND NOT APPLE)
-    # If Linux, add rt and pthread
-    set(rt_LIBRARIES rt)
-    set(pthread_LIBRARIES pthread)
-    catkin_package(
-        LIBRARIES ${PROJECT_NAME}
-        INCLUDE_DIRS include
-        DEPENDS rt pthread
-    )
-else()
-    # Otherwise normal call
-    catkin_package(
-        LIBRARIES ${PROJECT_NAME}
-        INCLUDE_DIRS include
-    )
-endif()
-
 ## Sources
 set(serial_SRCS
     src/serial.cc
@@ -56,26 +36,4 @@ else()
     target_link_libraries(${PROJECT_NAME} setupapi)
 endif()
 
-## Uncomment for example
-add_executable(serial_example examples/serial_example.cc)
-add_dependencies(serial_example ${PROJECT_NAME})
-target_link_libraries(serial_example ${PROJECT_NAME})
-
-## Include headers
-include_directories(include)
-
-## Install executable
-install(TARGETS ${PROJECT_NAME}
-    ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-    LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-    RUNTIME DESTINATION ${CATKIN_GLOBAL_BIN_DESTINATION}
-)
-
-## Install headers
-install(FILES include/serial/serial.h include/serial/v8stdint.h
-  DESTINATION ${CATKIN_GLOBAL_INCLUDE_DESTINATION}/serial)
-
-## Tests
-if(CATKIN_ENABLE_TESTING)
-    add_subdirectory(tests)
-endif()
+target_include_directories(${PROJECT_NAME} PUBLIC include)

package.xml

-<?xml version="1.0"?>
-<package>
-  <name>serial</name>
-  <version>1.2.1</version>
-  <description>
-    Serial is a cross-platform, simple to use library for using serial ports on computers.
-    This library provides a C++, object oriented interface for interacting with RS-232
-    like devices on Linux and Windows.
-  </description>
-
-  <maintainer email="william@osrfoundation.org">William Woodall</maintainer>
-
-  <license>MIT</license>
-
-  <url type="website">http://wjwwood.github.com/serial/</url>
-  <url type="repository">https://github.com/wjwwood/serial</url>
-  <url type="bugtracker">https://github.com/wjwwood/serial/issues</url>
-
-  <author email="wjwwood@gmail.com">William Woodall</author>
-  <author email="ash.gti@gmail.com">John Harrison</author>
-
-  <buildtool_depend>catkin</buildtool_depend>
-
-  <test_depend>boost</test_depend>
-
-</package>

src/impl/list_ports/list_ports_linux.cc

@@ -54,13 +54,13 @@ glob(const vector<string>& patterns)
 
     glob_t glob_results;
 
-    int glob_retval = glob(patterns[0].c_str(), 0, NULL, &glob_results);
+    (void)glob(patterns[0].c_str(), 0, NULL, &glob_results);
 
     vector<string>::const_iterator iter = patterns.begin();
 
     while(++iter != patterns.end())
     {
-        glob_retval = glob(iter->c_str(), GLOB_APPEND, NULL, &glob_results);
+        (void)glob(iter->c_str(), GLOB_APPEND, NULL, &glob_results);
     }
 
     for(int path_index = 0; path_index < glob_results.gl_pathc; path_index++)