deps/libchdr/deps/zstd-1.5.5/contrib/linux-kernel/Makefile

   1 # ################################################################
   2 # Copyright (c) Meta Platforms, Inc. and affiliates.
   3 # All rights reserved.
   4 #
   5 # This source code is licensed under both the BSD-style license (found in the
   6 # LICENSE file in the root directory of this source tree) and the GPLv2 (found
   7 # in the COPYING file in the root directory of this source tree).
   8 # You may select, at your option, one of the above-listed licenses.
   9 # ################################################################
  10
  11 .PHONY: libzstd
  12 libzstd:
  13         rm -rf linux
  14         mkdir -p linux
  15         mkdir -p linux/include/linux
  16         mkdir -p linux/lib/zstd
  17         ../freestanding_lib/freestanding.py \
  18                 --source-lib ../../lib \
  19                 --output-lib linux/lib/zstd \
  20                 --xxhash '<linux/xxhash.h>' \
  21                 --xxh64-state 'struct xxh64_state' \
  22                 --xxh64-prefix 'xxh64' \
  23                 --rewrite-include '<limits\.h>=<linux/limits.h>' \
  24                 --rewrite-include '<stddef\.h>=<linux/types.h>' \
  25                 --rewrite-include '"\.\./zstd.h"=<linux/zstd.h>' \
  26                 --rewrite-include '"(\.\./)?zstd_errors.h"=<linux/zstd_errors.h>' \
  27                 --sed 's,/\*\*\*,/* *,g' \
  28                 --sed 's,/\*\*,/*,g' \
  29                 --spdx \
  30                 -DZSTD_NO_INTRINSICS \
  31                 -DZSTD_NO_UNUSED_FUNCTIONS \
  32                 -DZSTD_LEGACY_SUPPORT=0 \
  33                 -DZSTD_STATIC_LINKING_ONLY \
  34                 -DFSE_STATIC_LINKING_ONLY \
  35                 -DXXH_STATIC_LINKING_ONLY \
  36                 -D__GNUC__ \
  37                 -D__linux__=1 \
  38                 -DSTATIC_BMI2=0 \
  39                 -DZSTD_ADDRESS_SANITIZER=0 \
  40                 -DZSTD_MEMORY_SANITIZER=0 \
  41                 -DZSTD_DATAFLOW_SANITIZER=0 \
  42                 -DZSTD_COMPRESS_HEAPMODE=1 \
  43                 -UNO_PREFETCH \
  44                 -U__cplusplus \
  45                 -UZSTD_DLL_EXPORT \
  46                 -UZSTD_DLL_IMPORT \
  47                 -U__ICCARM__ \
  48                 -UZSTD_MULTITHREAD \
  49                 -U_MSC_VER \
  50                 -U_WIN32 \
  51                 -RZSTDLIB_VISIBLE= \
  52                 -RZSTDERRORLIB_VISIBLE= \
  53                 -RZSTD_FALLTHROUGH=fallthrough \
  54                 -DZSTD_HAVE_WEAK_SYMBOLS=0 \
  55                 -DZSTD_TRACE=0 \
  56                 -DZSTD_NO_TRACE \
  57                 -DZSTD_DISABLE_ASM \
  58                 -DZSTD_LINUX_KERNEL
  59         rm linux/lib/zstd/decompress/huf_decompress_amd64.S
  60         mv linux/lib/zstd/zstd.h linux/include/linux/zstd_lib.h
  61         mv linux/lib/zstd/zstd_errors.h linux/include/linux/
  62         cp linux_zstd.h linux/include/linux/zstd.h
  63         cp zstd_common_module.c linux/lib/zstd
  64         cp zstd_compress_module.c linux/lib/zstd
  65         cp zstd_decompress_module.c linux/lib/zstd
  66         cp decompress_sources.h linux/lib/zstd
  67         cp linux.mk linux/lib/zstd/Makefile
  68
  69 LINUX ?= $(HOME)/repos/linux
  70
  71 .PHONY: import
  72 import: libzstd
  73         rm -f $(LINUX)/include/linux/zstd.h
  74         rm -f $(LINUX)/include/linux/zstd_errors.h
  75         rm -rf $(LINUX)/lib/zstd
  76         cp linux/include/linux/zstd.h $(LINUX)/include/linux
  77         cp linux/include/linux/zstd_lib.h $(LINUX)/include/linux
  78         cp linux/include/linux/zstd_errors.h $(LINUX)/include/linux
  79         cp -r linux/lib/zstd $(LINUX)/lib
  80
  81 import-upstream:
  82         rm -rf $(LINUX)/lib/zstd
  83         mkdir $(LINUX)/lib/zstd
  84         cp ../../lib/zstd.h $(LINUX)/include/linux/zstd_lib.h
  85         cp -r ../../lib/common $(LINUX)/lib/zstd
  86         cp -r ../../lib/compress $(LINUX)/lib/zstd
  87         cp -r ../../lib/decompress $(LINUX)/lib/zstd
  88         mv $(LINUX)/lib/zstd/zstd_errors.h $(LINUX)/include/linux
  89         rm $(LINUX)/lib/zstd/common/threading.*
  90         rm $(LINUX)/lib/zstd/common/pool.*
  91         rm $(LINUX)/lib/zstd/common/xxhash.*
  92         rm $(LINUX)/lib/zstd/compress/zstdmt_*
  93
  94 DEBUGFLAGS= -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow \
  95             -Wstrict-aliasing=1 -Wswitch-enum -Wdeclaration-after-statement \
  96             -Wstrict-prototypes -Wundef -Wpointer-arith \
  97             -Wvla -Wformat=2 -Winit-self -Wfloat-equal -Wwrite-strings \
  98             -Wredundant-decls -Wmissing-prototypes -Wc++-compat \
  99             -Wimplicit-fallthrough
 100
 101 .PHONY: test
 102 test: libzstd
 103         $(MAKE) -C test run-test CFLAGS="-O3 $(CFLAGS) $(DEBUGFLAGS) -Werror" -j
 104
 105 .PHONY: clean
 106 clean:
 107         $(RM) -rf linux
 108         $(MAKE) -C test clean