CMakeLists.txt: make this build in OpenBSD

Their usefulness was almost negative.

CMakeLists.txt

@@ -1,20 +1,11 @@
-project (nncmpp C)
-cmake_minimum_required (VERSION 2.8.5)
+cmake_minimum_required (VERSION 3.0)
+project (nncmpp VERSION 0.9.0 LANGUAGES C)
 
 # Moar warnings
 if ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
-	set (wdisabled "-Wno-unused-function -Wno-implicit-fallthrough")
+	set (wdisabled "-Wno-unused-function")
 	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -Wall -Wextra ${wdisabled}")
-endif ("${CMAKE_C_COMPILER_ID}" MATCHES "GNU" OR CMAKE_COMPILER_IS_GNUCC)
-
-# Version
-set (project_VERSION_MAJOR "0")
-set (project_VERSION_MINOR "9")
-set (project_VERSION_PATCH "0")
-
-set (project_VERSION "${project_VERSION_MAJOR}")
-set (project_VERSION "${project_VERSION}.${project_VERSION_MINOR}")
-set (project_VERSION "${project_VERSION}.${project_VERSION_PATCH}")
+endif ()
 
 # For custom modules
 set (CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/liberty/cmake)
@@ -35,7 +26,7 @@ if (USE_SYSTEM_TERMO)
 	if (NOT Termo_FOUND)
 		message (FATAL_ERROR "System termo library not found")
 	endif (NOT Termo_FOUND)
-else (USE_SYSTEM_TERMO)
+else ()
 	add_subdirectory (termo EXCLUDE_FROM_ALL)
 	# We don't have many good choices when we don't want to install it and want
 	# to support older versions of CMake; this is a relatively clean approach
@@ -45,7 +36,7 @@ else (USE_SYSTEM_TERMO)
 	get_directory_property (Termo_INCLUDE_DIRS
 		DIRECTORY termo INCLUDE_DIRECTORIES)
 	set (Termo_LIBRARIES termo-static)
-endif (USE_SYSTEM_TERMO)
+endif ()
 
 include_directories (${Unistring_INCLUDE_DIRS}
 	${Ncursesw_INCLUDE_DIRS} ${Termo_INCLUDE_DIRS} ${curl_INCLUDE_DIRS})
@@ -56,6 +47,12 @@ include (CheckFunctionExists)
 set (CMAKE_REQUIRED_LIBRARIES ${Ncursesw_LIBRARIES})
 CHECK_FUNCTION_EXISTS ("resizeterm" HAVE_RESIZETERM)
 
+if ("${CMAKE_SYSTEM_NAME}" MATCHES "BSD")
+	# Need this for SIGWINCH in FreeBSD and OpenBSD respectively;
+	# our POSIX version macros make it undefined
+	add_definitions (-D__BSD_VISIBLE=1 -D_BSD_SOURCE=1)
+endif ()
+
 # Generate a configuration file
 configure_file (${PROJECT_SOURCE_DIR}/config.h.in
 	${PROJECT_BINARY_DIR}/config.h)
@@ -76,7 +73,7 @@ install (FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
 find_program (HELP2MAN_EXECUTABLE help2man)
 if (NOT HELP2MAN_EXECUTABLE)
 	message (FATAL_ERROR "help2man not found")
-endif (NOT HELP2MAN_EXECUTABLE)
+endif ()
 
 foreach (page ${PROJECT_NAME})
 	set (page_output "${PROJECT_BINARY_DIR}/${page}.1")
@@ -86,7 +83,7 @@ foreach (page ${PROJECT_NAME})
 			"${PROJECT_BINARY_DIR}/${page}" -o ${page_output}
 		DEPENDS ${page}
 		COMMENT "Generating man page for ${page}" VERBATIM)
-endforeach (page)
+endforeach ()
 
 add_custom_target (docs ALL DEPENDS ${project_MAN_PAGES})
 
@@ -94,23 +91,20 @@ foreach (page ${project_MAN_PAGES})
 	string (REGEX MATCH "\\.([0-9])$" manpage_suffix "${page}")
 	install (FILES "${page}"
 		DESTINATION "${CMAKE_INSTALL_MANDIR}/man${CMAKE_MATCH_1}")
-endforeach (page)
+endforeach ()
 
 # CPack
 set (CPACK_PACKAGE_DESCRIPTION_SUMMARY "MPD client")
 set (CPACK_PACKAGE_VENDOR "Premysl Eric Janouch")
 set (CPACK_PACKAGE_CONTACT "Přemysl Eric Janouch <p@janouch.name>")
 set (CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE")
-set (CPACK_PACKAGE_VERSION_MAJOR ${project_VERSION_MAJOR})
-set (CPACK_PACKAGE_VERSION_MINOR ${project_VERSION_MINOR})
-set (CPACK_PACKAGE_VERSION_PATCH ${project_VERSION_PATCH})
 set (CPACK_GENERATOR "TGZ;ZIP")
 set (CPACK_PACKAGE_FILE_NAME
-	"${PROJECT_NAME}-${project_VERSION}-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
-set (CPACK_PACKAGE_INSTALL_DIRECTORY "${PROJECT_NAME}-${project_VERSION}")
+	"${PROJECT_NAME}-${PROJECT_VERSION}-${CMAKE_SYSTEM_NAME}-${CMAKE_SYSTEM_PROCESSOR}")
+set (CPACK_PACKAGE_INSTALL_DIRECTORY "${PROJECT_NAME}-${PROJECT_VERSION}")
 set (CPACK_SOURCE_GENERATOR "TGZ;ZIP")
 set (CPACK_SOURCE_IGNORE_FILES "/\\\\.git;/build;/CMakeLists.txt.user")
-set (CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${project_VERSION}")
+set (CPACK_SOURCE_PACKAGE_FILE_NAME "${PROJECT_NAME}-${PROJECT_VERSION}")
 
 set (CPACK_SET_DESTDIR TRUE)
 include (CPack)

README.adoc

@@ -43,9 +43,6 @@ Or you can try telling CMake to make a package for you.  For Debian it is:
  $ cpack -G DEB
  # dpkg -i nncmpp-*.deb
 
-Note that for versions of CMake before 2.8.9, you need to prefix `cpack` with
-`fakeroot` or file ownership will end up wrong.
-
 Having the program installed, create a configuration file and run it.
 
 Configuration

config.h.in

@@ -2,7 +2,7 @@
 #define CONFIG_H
 
 #define PROGRAM_NAME "${CMAKE_PROJECT_NAME}"
-#define PROGRAM_VERSION "${project_VERSION}"
+#define PROGRAM_VERSION "${PROJECT_VERSION}"
 
 #cmakedefine HAVE_RESIZETERM
 

liberty

@@ -1 +1 @@
-Subproject commit e029aae1d3d1884ca868c3694bdec0456b3e8267
+Subproject commit d71c47f8ce7aecdc4856630e9d73a48912be68c1

nncmpp.c

@@ -744,6 +744,12 @@ static struct config_schema g_config_settings[] =
 	{ .name      = "root",
 	  .comment   = "Where all the files MPD is playing are located",
 	  .type      = CONFIG_ITEM_STRING },
+
+	// Disabling this minimises MPD traffic and has the following caveats:
+	//  - when MPD stalls on retrieving audio data, we keep ticking
+	//  - when the "play" succeeds in ACTION_MPD_REPLACE for the same item as
+	//    is currently playing, we do not reset g.song_elapsed (we could ask
+	//    for a response which feels racy, or rethink the mechanism there)
 	{ .name      = "poll_elapsed_time",
 	  .comment   = "Whether to actively poll MPD for the elapsed time",
 	  .type      = CONFIG_ITEM_BOOLEAN,

termo

@@ -1 +1 @@
-Subproject commit 8c4e867760eb20e3cdf997a301c8f8672c01e380
+Subproject commit f7912a8ce7bbf7f701b5217bbb3879b13b66cfe7