obs-studio/cmake/Modules/FindJack.cmake
Neal Gompa ae60123f7f cmake: Fix FindJack to support finding PipeWire's libjack
FindJack was not using _INCLUDE_DIRS and _LIBRARY_DIRS set by
FindPkgConfig, which prevented it from locating the PipeWire
version of libjack when it is installed to a non-standard path.

In particular, this impacts Fedora Linux, which is the first
distribution to have made the change to have all audio routed
through PipeWire and eliminate the usage of PulseAudio and JACK
by default.

Reference: https://fedoraproject.org/wiki/Changes/DefaultPipeWire
2021-05-12 18:33:16 -07:00

83 lines
2.2 KiB
CMake

# - Try to find jack-2.6
# Once done this will define
#
# JACK_FOUND - system has jack
# JACK_INCLUDE_DIRS - the jack include directory
# JACK_LIBRARIES - Link these to use jack
# JACK_DEFINITIONS - Compiler switches required for using jack
#
# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
# Modified for other libraries by Lasse Kärkkäinen <tronic>
#
# Redistribution and use is allowed according to the terms of the New
# BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
#
if (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
# in cache already
set(JACK_FOUND TRUE)
else (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)
# use pkg-config to get the directories and then use these values
# in the FIND_PATH() and FIND_LIBRARY() calls
if (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
include(UsePkgConfig)
pkgconfig(jack _JACK_INCLUDEDIR _JACK_LIBDIR _JACK_LDFLAGS _JACK_CFLAGS)
else (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
find_package(PkgConfig)
if (PKG_CONFIG_FOUND)
pkg_check_modules(_JACK jack)
endif (PKG_CONFIG_FOUND)
endif (${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4)
find_path(JACK_INCLUDE_DIR
NAMES
jack/jack.h
PATHS
${_JACK_INCLUDE_DIRS}
/usr/include
/usr/local/include
/opt/local/include
/sw/include
)
find_library(JACK_LIBRARY
NAMES
jack
PATHS
${_JACK_LIBRARY_DIRS}
/usr/lib
/usr/local/lib
/opt/local/lib
/sw/lib
)
if (JACK_LIBRARY AND JACK_INCLUDE_DIR)
set(JACK_FOUND TRUE)
set(JACK_INCLUDE_DIRS
${JACK_INCLUDE_DIR}
)
set(JACK_LIBRARIES
${JACK_LIBRARIES}
${JACK_LIBRARY}
)
endif (JACK_LIBRARY AND JACK_INCLUDE_DIR)
if (JACK_FOUND)
if (NOT JACK_FIND_QUIETLY)
message(STATUS "Found jack: ${JACK_LIBRARY}")
endif (NOT JACK_FIND_QUIETLY)
else (JACK_FOUND)
if (JACK_FIND_REQUIRED)
message(FATAL_ERROR "Could not find JACK")
endif (JACK_FIND_REQUIRED)
endif (JACK_FOUND)
# show the JACK_INCLUDE_DIRS and JACK_LIBRARIES variables only in the advanced view
mark_as_advanced(JACK_INCLUDE_DIRS JACK_LIBRARIES)
endif (JACK_LIBRARIES AND JACK_INCLUDE_DIRS)