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Diffstat (limited to 'find-modules/FindPulseAudio.cmake')
| -rw-r--r-- | find-modules/FindPulseAudio.cmake | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/find-modules/FindPulseAudio.cmake b/find-modules/FindPulseAudio.cmake new file mode 100644 index 00000000..0858eb79 --- /dev/null +++ b/find-modules/FindPulseAudio.cmake @@ -0,0 +1,126 @@ +#.rst: +# FindPulseAudio +# -------------- +# +# Try to locate the PulseAudio library. +# If found, this will define the following variables: +# +# ``PulseAudio_FOUND`` +# True if the system has the PulseAudio library of at least +# the minimum version specified by either the version parameter +# to find_package() or the variable PulseAudio_MINIMUM_VERSION +# ``PulseAudio_INCLUDE_DIRS`` +# The PulseAudio include directory +# ``PulseAudio_LIBRARIES`` +# The PulseAudio libraries for linking +# ``PulseAudio_MAINLOOP_LIBRARY`` +# The libraries needed to use PulseAudio Mainloop +# ``PulseAudio_VERSION`` +# The version of PulseAudio that was found +# ``PulseAudio_INCLUDE_DIR`` +# Deprecated, use ``PulseAudio_INCLUDE_DIRS`` +# ``PulseAudio_LIBRARY`` +# Deprecated, use ``PulseAudio_LIBRARIES`` +# +# If ``PulseAudio_FOUND`` is TRUE, it will also define the following +# imported target: +# +# ``PulseAudio::PulseAudio`` +# The PulseAudio library +# +# Since 5.41.0. + +#============================================================================= +# Copyright (c) 2008, Matthias Kretz, <kretz@kde.org> +# Copyright (c) 2009, Marcus Hufgard, <Marcus.Hufgard@hufgard.de> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +# Support PulseAudio_MINIMUM_VERSION for compatibility: +if(NOT PulseAudio_FIND_VERSION) + set(PulseAudio_FIND_VERSION "${PulseAudio_MINIMUM_VERSION}") +endif() + +# the minimum version of PulseAudio we require +if(NOT PulseAudio_FIND_VERSION) + set(PulseAudio_FIND_VERSION "0.9.9") +endif() + +find_package(PkgConfig) +pkg_check_modules(PC_PulseAudio QUIET libpulse>=${PulseAudio_FIND_VERSION}) +pkg_check_modules(PC_PulseAudio_MAINLOOP QUIET libpulse-mainloop-glib) + +find_path(PulseAudio_INCLUDE_DIRS pulse/pulseaudio.h + HINTS + ${PC_PulseAudio_INCLUDEDIR} + ${PC_PulseAudio_INCLUDE_DIRS} + ) + +find_library(PulseAudio_LIBRARIES NAMES pulse libpulse + HINTS + ${PC_PulseAudio_LIBDIR} + ${PC_PulseAudio_LIBRARY_DIRS} + ) + +find_library(PulseAudio_MAINLOOP_LIBRARY NAMES pulse-mainloop pulse-mainloop-glib libpulse-mainloop-glib + HINTS + ${PC_PulseAudio_LIBDIR} + ${PC_PulseAudio_LIBRARY_DIRS} + ) + +# Store the version number in the cache, so we don't have to search every time again: +if (PulseAudio_INCLUDE_DIRS AND NOT PulseAudio_VERSION) + + # get PulseAudio's version from its version.h + file(STRINGS "${PulseAudio_INCLUDE_DIRS}/pulse/version.h" pulse_version_h + REGEX ".*pa_get_headers_version\\(\\).*") + string(REGEX REPLACE ".*pa_get_headers_version\\(\\)\ \\(\"([0-9]+\\.[0-9]+\\.[0-9]+)[^\"]*\"\\).*" "\\1" + _PulseAudio_VERSION "${pulse_version_h}") + + set(PulseAudio_VERSION "${_PulseAudio_VERSION}" CACHE STRING "Version number of PulseAudio" FORCE) +endif() + +# Deprecated synonyms +set(PulseAudio_INCLUDE_DIR "${PulseAudio_INCLUDE_DIRS}") +set(PulseAudio_LIBRARY "${PulseAudio_LIBRARIES}") + +# Use the new extended syntax of find_package_handle_standard_args(), which also handles version checking: +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(PulseAudio REQUIRED_VARS PulseAudio_LIBRARIES PulseAudio_INCLUDE_DIRS + VERSION_VAR PulseAudio_VERSION) + +if(PulseAudio_FOUND AND NOT TARGET PulseAudio::PulseAudio) + add_library(PulseAudio::PulseAudio UNKNOWN IMPORTED) + set_target_properties(PulseAudio::PulseAudio PROPERTIES + IMPORTED_LOCATION "${PulseAudio_LIBRARIES}" + INTERFACE_INCLUDE_DIRECTORIES "${PulseAudio_INCLUDE_DIRS}") +endif() + +mark_as_advanced(PulseAudio_INCLUDE_DIRS PulseAudio_INCLUDE_DIR + PulseAudio_LIBRARIES PulseAudio_LIBRARY + PulseAudio_MAINLOOP_LIBRARY) +set_package_properties(PulseAudio PROPERTIES + URL "https://www.freedesktop.org/wiki/Software/PulseAudio" + DESCRIPTION "Sound server, for sound stream routing and mixing") |