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MDEV-25090: Depend on libpmem where available

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WITH_PMEM: Change the parameter from BOOL to a ternary STRING
with a default value that allows to use libpmem when it is available.
In this way, a libpmem dependency will be automatically installed
on other than Debian-based systems, based on what is available on
the continuous integraton system for building the packages.

WITH_PMEM=auto (default): Use libpmem when available.
WITH_PMEM=yes: Require libpmem to be available.
WITH_PMEM=no: Do not depend on libpmem.
This commit is contained in:
Marko Mäkelä 2021-03-17 13:17:39 +02:00
parent 418381bf99
commit 7c5c6fa65c
1 changed files with 17 additions and 4 deletions
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21
cmake/pmem.cmake
View file

@ -1,13 +1,26 @@
INCLUDE(CheckIncludeFiles)
OPTION(WITH_PMEM "Enable persistent memory features" OFF)
IF(WITH_PMEM)
SET(WITH_PMEM "auto" CACHE STRING "Enable persistent memory features")
IF(WITH_PMEM STREQUAL "yes" OR WITH_PMEM STREQUAL "auto")
FIND_LIBRARY(LIBPMEM pmem)
CHECK_INCLUDE_FILES(libpmem.h HAVE_LIBPMEM_H)
IF (NOT LIBPMEM)
MESSAGE(FATAL_ERROR "Can't find libpmem")
IF(WITH_PMEM STREQUAL "yes")
MESSAGE(FATAL_ERROR "Can't find libpmem")
ENDIF()
UNSET(HAVE_LIBPMEM_H CACHE)
UNSET(LIBPMEM CACHE)
ELSEIF(NOT HAVE_LIBPMEM_H)
MESSAGE(FATAL_ERROR "Can't find libpmem.h")
IF(WITH_PMEM STREQUAL "yes")
MESSAGE(FATAL_ERROR "Can't find libpmem.h")
ENDIF()
UNSET(HAVE_LIBPMEM_H CACHE)
UNSET(LIBPMEM CACHE)
ELSE()
ADD_DEFINITIONS(-DHAVE_PMEM)
ENDIF()
ELSEIF(WITH_PMEM STREQUAL "no")
UNSET(HAVE_LIBPMEM_H CACHE)
UNSET(LIBPMEM CACHE)
ELSE()
MESSAGE(FATAL_ERROR "Invalid value for WITH_PMEM. Must be 'yes', 'no', or 'auto'.")
ENDIF()