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Merge topic 'patch-FindALSA-version'

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5df1d3f036 FindALSA: Add ALSA_VERSION

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Vito Gamberini <vito.gamberini@kitware.com>
Merge-request: !10986
This commit is contained in:
Brad King
2025-07-31 14:56:34 +00:00
committed by Kitware Robot
parent 30793dda4e 5df1d3f036
commit 6d265917af
4 changed files with 30 additions and 5 deletions
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Modules/FindALSA.cmake
+25 -4
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@@ -5,7 +5,11 @@
FindALSA
--------
Finds the Advanced Linux Sound Architecture (ALSA) library (``asound``).
Finds the Advanced Linux Sound Architecture (ALSA) library (``asound``):
.. code-block:: cmake
find_package(ALSA [<version>] [...])
Imported Targets
^^^^^^^^^^^^^^^^
@@ -24,7 +28,12 @@ Result Variables
This module defines the following variables:
``ALSA_FOUND``
Boolean indicating whether the ALSA library is found.
Boolean indicating whether (the requested version of) ALSA library is found.
``ALSA_VERSION``
.. versionadded:: 4.2
The version of ALSA found.
``ALSA_LIBRARIES``
List of libraries needed for linking to use ALSA library.
@@ -43,6 +52,17 @@ The following cache variables may also be set:
``ALSA_LIBRARY``
The absolute path of the asound library.
Deprecated Variables
^^^^^^^^^^^^^^^^^^^^
The following variables are provided for backward compatibility:
``ALSA_VERSION_STRING``
.. deprecated:: 4.2
Superseded by the ``ALSA_VERSION``.
The version of ALSA found.
Examples
^^^^^^^^
@@ -68,14 +88,15 @@ find_library(ALSA_LIBRARY NAMES asound
if(ALSA_INCLUDE_DIR AND EXISTS "${ALSA_INCLUDE_DIR}/alsa/version.h")
file(STRINGS "${ALSA_INCLUDE_DIR}/alsa/version.h" alsa_version_str REGEX "^#define[\t ]+SND_LIB_VERSION_STR[\t ]+\".*\"")
string(REGEX REPLACE "^.*SND_LIB_VERSION_STR[\t ]+\"([^\"]*)\".*$" "\\1" ALSA_VERSION_STRING "${alsa_version_str}")
string(REGEX REPLACE "^.*SND_LIB_VERSION_STR[\t ]+\"([^\"]*)\".*$" "\\1" ALSA_VERSION "${alsa_version_str}")
set(ALSA_VERSION_STRING "${ALSA_VERSION}")
unset(alsa_version_str)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(ALSA
REQUIRED_VARS ALSA_LIBRARY ALSA_INCLUDE_DIR
VERSION_VAR ALSA_VERSION_STRING)
VERSION_VAR ALSA_VERSION)
if(ALSA_FOUND)
set( ALSA_LIBRARIES ${ALSA_LIBRARY} )