common: remove non-Linux support from all build paths

ChangeLog

@@ -4,9 +4,12 @@ XXX
 
 	This release
 	- introduces fuses against ill-considered use of NDCTL_ENABLE=n
-	  - PMEMOBJ_IGNORE_DIRTY_SHUTDOWN and PMEMOBJ_IGNORE_BAD_BLOCKS are required to acknowledge the understanding of what production-critical functions are missing for the build without NDCTL
+	  - PMEMOBJ_IGNORE_DIRTY_SHUTDOWN and PMEMOBJ_IGNORE_BAD_BLOCKS are required
+	    to acknowledge the understanding of what production-critical functions
+	    are missing for the build without NDCTL
 	- does not allow opening pmem pool without unsafe shoutdown counter if not explicitly disabled
 	- remove support for build time define NO_LIBPTHREAD
+	- remove non-Linux support from all compilation paths (OS_KERNEL_NAME)
 
 Mon Dec 4 2023 Oksana Sałyk <oksana.salyk@intel.com>
 
@@ -17,7 +20,6 @@ Mon Dec 4 2023 Oksana Sałyk <oksana.salyk@intel.com>
 	- Reduces libpmemobj's stack usage below the 11kB threshold.
 	- Fixing minor Coverity issues
 	- Add a new toolset for stack usage analysis (https://github.com/pmem/pmdk/tree/master/utils/call_stacks_analysis)
-
 
 Tue Aug 8 2023 Oksana Sałyk <oksana.salyk@intel.com>
 

src/common.inc

@@ -56,12 +56,6 @@ GCOV_LIBS=-lgcov
 
 LIBS += $(EXTRA_LIBS)
 
-ifeq ($(OS_KERNEL_NAME),)
-export OS_KERNEL_NAME := $(shell uname -s)
-endif
-
-osdep = $(1)_$(shell echo $(OS_KERNEL_NAME) | tr "[:upper:]" "[:lower:]")$(2)
-
 get_arch = $(shell $(CC) -dumpmachine | awk -F'[/-]' '{print $$1}')
 ifeq ($(ARCH),)
 export ARCH := $(call get_arch)

src/common/pmemcommon.inc

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: BSD-3-Clause
-# Copyright 2017-2019, Intel Corporation
+# Copyright 2017-2023, Intel Corporation
 #
 # src/pmemcommon.inc -- common SOURCE definitions for PMDK libraries
 #
@@ -22,37 +22,19 @@ SOURCE +=\
 	$(COMMON)/set.c\
 	$(COMMON)/shutdown_state.c\
 	$(COMMON)/uuid.c\
-	$(call osdep, $(COMMON)/uuid,.c)\
+	$(COMMON)/uuid_linux.c\
 	$(PMEM2)/pmem2_utils.c\
 	$(PMEM2)/config.c\
 	$(PMEM2)/persist_posix.c\
 	$(PMEM2)/badblocks.c\
 	$(PMEM2)/badblocks_$(OS_DIMM).c\
 	$(PMEM2)/usc_$(OS_DIMM).c\
 	$(PMEM2)/source.c\
-	$(PMEM2)/source_posix.c
-
-ifeq ($(OS_KERNEL_NAME),Linux)
-SOURCE +=\
+	$(PMEM2)/source_posix.c\
 	$(PMEM2)/auto_flush_linux.c\
 	$(PMEM2)/deep_flush_linux.c\
 	$(PMEM2)/extent_linux.c\
 	$(PMEM2)/pmem2_utils_linux.c\
-	$(PMEM2)/pmem2_utils_$(OS_DIMM).c
-else
-SOURCE +=\
-	$(PMEM2)/auto_flush_none.c\
-	$(PMEM2)/deep_flush_other.c\
-	$(PMEM2)/extent_none.c\
-	$(PMEM2)/pmem2_utils_other.c
-endif
-
-ifeq ($(OS_DIMM),ndctl)
-SOURCE +=\
-	$(PMEM2)/region_namespace_ndctl.c\
-	$(PMEM2)/numa_ndctl.c
-else
-SOURCE +=\
-	$(PMEM2)/region_namespace_none.c\
-	$(PMEM2)/numa_none.c
-endif
+	$(PMEM2)/pmem2_utils_$(OS_DIMM).c\
+	$(PMEM2)/region_namespace_$(OS_DIMM).c\
+	$(PMEM2)/numa_$(OS_DIMM).c

src/libpmem/Makefile

@@ -34,30 +34,13 @@ SOURCE =\
 	$(PMEM2)/config.c\
 	$(PMEM2)/persist_posix.c\
 	$(PMEM2)/source.c\
-	$(PMEM2)/source_posix.c
-
-ifeq ($(OS_KERNEL_NAME),Linux)
-SOURCE +=\
+	$(PMEM2)/source_posix.c\
 	$(PMEM2)/pmem2_utils_linux.c\
 	$(PMEM2)/pmem2_utils_$(OS_DIMM).c\
 	$(PMEM2)/auto_flush_linux.c\
-	$(PMEM2)/deep_flush_linux.c
-else
-SOURCE +=\
-	$(PMEM2)/pmem2_utils_other.c\
-	$(PMEM2)/auto_flush_none.c\
-	$(PMEM2)/deep_flush_other.c
-endif
-
-ifeq ($(OS_DIMM),ndctl)
-SOURCE +=\
-	region_namespace_ndctl.c\
-	numa_ndctl.c
-else
-SOURCE +=\
-	region_namespace_none.c\
-	numa_none.c
-endif
+	$(PMEM2)/deep_flush_linux.c\
+	$(PMEM2)/region_namespace_$(OS_DIMM).c\
+	$(PMEM2)/numa_$(OS_DIMM).c
 
 INCS += -I$(TOP)/src/libpmem2
 

src/libpmem2/Makefile

@@ -28,32 +28,14 @@ SOURCE =\
 	source.c\
 	source_posix.c\
 	vm_reservation.c\
-	vm_reservation_posix.c
-
-ifeq ($(OS_KERNEL_NAME),Linux)
-SOURCE +=\
+	vm_reservation_posix.c\
 	auto_flush_linux.c\
 	deep_flush_linux.c\
 	extent_linux.c\
 	pmem2_utils_linux.c\
-	pmem2_utils_$(OS_DIMM).c
-else
-SOURCE +=\
-	auto_flush_none.c\
-	deep_flush_other.c\
-	extent_none.c\
-	pmem2_utils_other.c
-endif
-
-ifeq ($(OS_DIMM),ndctl)
-SOURCE +=\
-	region_namespace_ndctl.c\
-	numa_ndctl.c
-else
-SOURCE +=\
-	region_namespace_none.c\
-	numa_none.c
-endif
+	pmem2_utils_$(OS_DIMM).c\
+	region_namespace_$(OS_DIMM).c\
+	numa_$(OS_DIMM).c
 
 include $(ARCH)/sources.inc