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-rw-r--r--portmidi/pm_common/CMakeLists.txt167
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1# pm_common/CMakeLists.txt -- how to build portmidi library
2
3# creates the portmidi library
4# exports PM_NEEDED_LIBS to parent. It seems that PM_NEEDED_LIBS for
5# Linux should include Thread::Thread and ALSA::ALSA, but these
6# are not visible in other CMake files, even though the portmidi
7# target is. Therefore, Thread::Thread is replaced by
8# CMAKE_THREAD_LIBS_INIT and ALSA::ALSA is replaced by ALSA_LIBRARIES.
9# Is there a better way to do this? Maybe this whole file should be
10# at the parent level.
11
12# Support alternative name for static libraries to avoid confusion.
13# (In particular, Xcode has automatically converted portmidi.a to
14# portmidi.dylib without warning, so using portmidi-static.a eliminates
15# this possibility, but default for all libs is "portmidi"):
16set(PM_STATIC_LIB_NAME "portmidi" CACHE STRING
17 "For static builds, the PortMidi library name, e.g. portmidi-static.
18 Default is portmidi")
19set(PM_ACTUAL_LIB_NAME "portmidi")
20if(NOT BUILD_SHARED_LIBS)
21 set(PM_ACTUAL_LIB_NAME ${PM_STATIC_LIB_NAME})
22endif()
23
24# set the build directory for libportmidi.a to be in portmidi, not in
25# portmidi/pm_common. Must be done here BEFORE add_library below.
26if(APPLE OR WIN32)
27 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
28 # set the build directory for .dylib libraries
29 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
30 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
31endif(APPLE OR WIN32)
32
33# we need full paths to sources because they are shared with other targets
34# (in particular pmjni). Set PMDIR to the top-level portmidi directory:
35get_filename_component(PMDIR ${CMAKE_CURRENT_SOURCE_DIR} DIRECTORY)
36set(PM_LIB_PUBLIC_SRC ${PMDIR}/pm_common/portmidi.c
37 ${PMDIR}/pm_common/pmutil.c
38 ${PMDIR}/porttime/porttime.c)
39add_library(portmidi ${PM_LIB_PUBLIC_SRC})
40
41# MSVCRT_DLL is "DLL" for shared runtime library, and "" for static:
42set_target_properties(portmidi PROPERTIES
43 VERSION ${LIBRARY_VERSION}
44 SOVERSION ${LIBRARY_SOVERSION}
45 OUTPUT_NAME "${PM_ACTUAL_LIB_NAME}"
46 MSVC_RUNTIME_LIBRARY
47 "MultiThreaded$<$<CONFIG:Debug>:Debug>${MSVCRT_DLL}"
48 WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
49target_include_directories(portmidi PUBLIC
50 $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
51 $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
52
53
54option(PM_CHECK_ERRORS
55"Insert a check for error return values at the end of each PortMidi function.
56If an error is encountered, a text message is printed using printf(), the user
57is asked to type ENTER, and then exit(-1) is called to clean up and terminate
58the program.
59
60You should not use PM_CHECK_ERRORS if printf() does not work (e.g. this is not
61a console application under Windows, or there is no visible console on some
62other OS), and you should not use PM_CHECK_ERRORS if you intend to recover
63from errors rather than abruptly terminate the program." OFF)
64if(PM_CHECK_ERRORS)
65 target_compile_definitions(portmidi PRIVATE PM_CHECK_ERRORS)
66endif(PM_CHECK_ERRORS)
67
68macro(prepend_path RESULT PATH)
69 set(${RESULT})
70 foreach(FILE ${ARGN})
71 list(APPEND ${RESULT} "${PATH}${FILE}")
72 endforeach(FILE)
73endmacro(prepend_path)
74
75# UNIX needs pthread library
76if(NOT WIN32)
77 set(THREADS_PREFER_PTHREAD_FLAG ON)
78 find_package(Threads REQUIRED)
79endif()
80
81# Check for sndio
82if(USE_SNDIO)
83 include (FindPackageHandleStandardArgs)
84 find_path(SNDIO_INCLUDE_DIRS NAMES sndio.h)
85 find_library(SNDIO_LIBRARY sndio)
86 find_package_handle_standard_args(Sndio
87 REQUIRED_VARS SNDIO_LIBRARY SNDIO_INCLUDE_DIRS)
88endif(USE_SNDIO)
89
90# first include the appropriate system-dependent file:
91if(SNDIO_FOUND AND USE_SNDIO)
92 set(PM_LIB_PRIVATE_SRC
93 ${PMDIR}/porttime/ptlinux.c
94 ${PMDIR}/pm_sndio/pmsndio.c)
95 set(PM_NEEDED_LIBS Threads::Threads ${SNDIO_LIBRARY} PARENT_SCOPE)
96 target_link_libraries(portmidi PRIVATE Threads::Threads ${SNDIO_LIBRARY})
97 target_include_directories(portmidi PRIVATE ${SNDIO_INCLUDE_DIRS})
98elseif(UNIX AND APPLE)
99 set(Threads::Threads "" PARENT_SCOPE)
100 set(PM_LIB_PRIVATE_SRC
101 ${PMDIR}/porttime/ptmacosx_mach.c
102 ${PMDIR}/pm_mac/pmmac.c
103 ${PMDIR}/pm_mac/pmmacosxcm.c)
104 set(PM_NEEDED_LIBS
105 ${CMAKE_THREAD_LIBS_INIT}
106 -Wl,-framework,CoreAudio
107 -Wl,-framework,CoreFoundation
108 -Wl,-framework,CoreMidi
109 -Wl,-framework,CoreServices
110 PARENT_SCOPE)
111 target_link_libraries(portmidi PRIVATE
112 Threads::Threads
113 -Wl,-framework,CoreAudio
114 -Wl,-framework,CoreFoundation
115 -Wl,-framework,CoreMidi
116 -Wl,-framework,CoreServices
117 )
118 # set to CMake default; is this right?:
119 set_target_properties(portmidi PROPERTIES MACOSX_RPATH ON)
120elseif(HAIKU)
121 set(PM_LIB_PRIVATE_SRC
122 ${PMDIR}/porttime/pthaiku.cpp
123 ${PMDIR}/pm_haiku/pmhaiku.cpp)
124 set(PM_NEEDED_LIBS be midi midi2 PARENT_SCOPE)
125 target_link_libraries(portmidi PRIVATE be midi midi2)
126elseif(UNIX)
127 target_compile_definitions(portmidi PRIVATE ${LINUX_FLAGS})
128 set(PM_LIB_PRIVATE_SRC
129 ${PMDIR}/porttime/ptlinux.c
130 ${PMDIR}/pm_linux/pmlinux.c
131 ${PMDIR}/pm_linux/pmlinuxnull.c)
132 if(${LINUX_DEFINES} MATCHES ".*PMALSA.*")
133 # Note that ALSA is not required if PMNULL is defined -- PortMidi will then
134 # compile without ALSA and report no MIDI devices. Later, PMSNDIO or PMJACK
135 # might be additional options.
136 find_package(ALSA REQUIRED)
137 list(APPEND PM_LIB_PRIVATE_SRC ${PMDIR}/pm_linux/pmlinuxalsa.c)
138 set(PM_NEEDED_LIBS ${CMAKE_THREAD_LIBS_INIT} ${ALSA_LIBRARIES} PARENT_SCOPE)
139 target_link_libraries(portmidi PRIVATE Threads::Threads ALSA::ALSA)
140 set(PKGCONFIG_REQUIRES_PRIVATE "alsa" PARENT_SCOPE)
141 else()
142 message(WARNING "No PMALSA, so PortMidi will not use ALSA, "
143 "and will not find or open MIDI devices.")
144 set(PM_NEEDED_LIBS ${CMAKE_THREAD_LIBS_INIT} PARENT_SCOPE)
145 target_link_libraries(portmidi PRIVATE Threads::Threads)
146 endif()
147elseif(WIN32)
148 set(PM_LIB_PRIVATE_SRC
149 ${PMDIR}/porttime/ptwinmm.c
150 ${PMDIR}/pm_win/pmwin.c
151 ${PMDIR}/pm_win/pmwinmm.c)
152 set(PM_NEEDED_LIBS winmm PARENT_SCOPE)
153 target_link_libraries(portmidi PRIVATE winmm)
154# if(NOT BUILD_SHARED_LIBS AND PM_USE_STATIC_RUNTIME)
155 # /MDd is multithread debug DLL, /MTd is multithread debug
156 # /MD is multithread DLL, /MT is multithread. Change to static:
157# include(../pm_win/static.cmake)
158# endif()
159else()
160 message(FATAL_ERROR "Operating system not supported.")
161endif()
162
163set(PM_LIB_PUBLIC_SRC ${PM_LIB_PUBLIC_SRC} PARENT_SCOPE) # export to parent
164set(PM_LIB_PRIVATE_SRC ${PM_LIB_PRIVATE_SRC} PARENT_SCOPE) # export to parent
165
166target_sources(portmidi PRIVATE ${PM_LIB_PRIVATE_SRC})
167
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