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cmake_minimum_required(VERSION 3.1)
execute_process(COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/scripts/version.sh -s print
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE TINYALSA_VERSION)
project("TinyALSA" VERSION ${TINYALSA_VERSION} LANGUAGES C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
# Options
option(BUILD_SHARED_LIBS "Build shared libraries" ON)
option(TINYALSA_USES_PLUGINS "Whether or not to build with plugin support" OFF)
option(TINYALSA_BUILD_EXAMPLES "Build examples" ON)
option(TINYALSA_BUILD_UTILS "Build utility tools" ON)
# Library
add_library("tinyalsa"
"src/pcm.c"
"src/pcm_hw.c"
"src/pcm_plugin.c"
"src/snd_card_plugin.c"
"src/mixer.c"
"src/mixer_hw.c"
"src/mixer_plugin.c")
set_property(TARGET "tinyalsa" PROPERTY PUBLIC_HEADER
"include/tinyalsa/attributes.h"
"include/tinyalsa/version.h"
"include/tinyalsa/asoundlib.h"
"include/tinyalsa/pcm.h"
"include/tinyalsa/plugin.h"
"include/tinyalsa/mixer.h")
set_target_properties("tinyalsa" PROPERTIES
VERSION ${TinyALSA_VERSION}
SOVERSION ${TinyALSA_VERSION_MAJOR})
target_include_directories("tinyalsa" PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:include>)
target_compile_definitions("tinyalsa" PRIVATE
$<$<BOOL:${TINYALSA_USES_PLUGINS}>:TINYALSA_USES_PLUGINS>
PUBLIC _POSIX_C_SOURCE=200809L)
target_link_libraries("tinyalsa" PUBLIC ${CMAKE_DL_LIBS})
# Examples
if(TINYALSA_BUILD_EXAMPLES)
set(TINYALSA_EXAMPLES pcm-readi pcm-writei)
else()
set(TINYALSA_EXAMPLES)
endif()
foreach(EXAMPLE IN LISTS TINYALSA_EXAMPLES)
add_executable("${EXAMPLE}" "examples/${EXAMPLE}.c")
target_link_libraries("${EXAMPLE}" PRIVATE "tinyalsa")
endforeach()
# Utilities
if(TINYALSA_BUILD_UTILS)
set(TINYALSA_UTILS tinyplay tinycap tinypcminfo tinymix tinywavinfo)
else()
set(TINYALSA_UTILS)
endif()
foreach(UTIL IN LISTS TINYALSA_UTILS)
add_executable("${UTIL}" "utils/${UTIL}.c")
target_link_libraries("${UTIL}" PRIVATE "tinyalsa")
endforeach()
if(TINYALSA_BUILD_UTILS)
target_link_libraries("tinywavinfo" PRIVATE m)
endif()
# Add C warning flags
include(CheckCCompilerFlag)
foreach(FLAG IN ITEMS -Wall -Wextra -Wpedantic -Werror -Wfatal-errors)
string(TOUPPER "HAVE${FLAG}" HAVE_VAR)
string(REPLACE "-" "_" HAVE_VAR "${HAVE_VAR}")
check_c_compiler_flag("${FLAG}" "${HAVE_VAR}")
if("${${HAVE_VAR}}")
target_compile_options("tinyalsa" PRIVATE "${FLAG}")
foreach(UTIL IN LISTS TINYALSA_UTILS)
target_compile_options("${UTIL}" PRIVATE "${FLAG}")
endforeach()
endif()
endforeach()
# Install
include(GNUInstallDirs)
install(TARGETS "tinyalsa" ${TINYALSA_UTILS}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/tinyalsa)
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