lz4

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# ################################################################
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# LZ4 - Makefile common definitions
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# Copyright (C) Yann Collet 2020
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# All rights reserved.
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#
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# BSD license
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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#   list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice, this
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#   list of conditions and the following disclaimer in the documentation and/or
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#   other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# You can contact the author at :
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#  - LZ4 source repository : https://github.com/lz4/lz4
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#  - LZ4 forum froup : https://groups.google.com/forum/#!forum/lz4c
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# ################################################################
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UNAME ?= uname
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TARGET_OS ?= $(shell $(UNAME))
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ifeq ($(TARGET_OS),)
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  TARGET_OS ?= $(OS)
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endif
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ifneq (,$(filter Windows%,$(TARGET_OS)))
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LIBLZ4_NAME = liblz4-$(LIBVER_MAJOR)
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LIBLZ4_EXP  = liblz4.lib
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WINBASED    = yes
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else
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LIBLZ4_EXP  = liblz4.dll.a
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  ifneq (,$(filter MINGW%,$(TARGET_OS)))
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LIBLZ4_NAME = liblz4
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WINBASED    = yes
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  else
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    ifneq (,$(filter MSYS%,$(TARGET_OS)))
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LIBLZ4_NAME = msys-lz4-$(LIBVER_MAJOR)
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WINBASED    = yes
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    else
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      ifneq (,$(filter CYGWIN%,$(TARGET_OS)))
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LIBLZ4_NAME = cyglz4-$(LIBVER_MAJOR)
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WINBASED    = yes
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      else
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LIBLZ4_NAME = liblz4
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WINBASED    = no
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EXT         =
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      endif
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    endif
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  endif
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endif
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ifeq ($(WINBASED),yes)
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EXT        = .exe
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WINDRES ?= windres
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endif
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LIBLZ4      = $(LIBLZ4_NAME).$(SHARED_EXT_VER)
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#determine if dev/nul based on host environment
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ifneq (,$(filter MINGW% MSYS% CYGWIN%,$(shell $(UNAME))))
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VOID := /dev/null
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else
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  ifneq (,$(filter Windows%,$(OS)))
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VOID := nul
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  else
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VOID  := /dev/null
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  endif
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endif
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ifneq (,$(filter Linux Darwin GNU/kFreeBSD GNU OpenBSD FreeBSD NetBSD DragonFly SunOS Haiku MidnightBSD MINGW% CYGWIN% MSYS%,$(shell $(UNAME))))
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POSIX_ENV = Yes
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else
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POSIX_ENV = No
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endif
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# Avoid symlinks when targeting Windows or building on a Windows host
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ifeq ($(WINBASED),yes)
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LN_SF = cp -p
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else
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  ifneq (,$(filter MINGW% MSYS% CYGWIN%,$(shell $(UNAME))))
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LN_SF = cp -p
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  else
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    ifneq (,$(filter Windows%,$(OS)))
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LN_SF = cp -p
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    else
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LN_SF  = ln -sf
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    endif
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  endif
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endif
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ifneq (,$(filter $(shell $(UNAME)),SunOS))
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INSTALL ?= ginstall
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else
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INSTALL ?= install
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endif
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INSTALL_PROGRAM ?= $(INSTALL) -m 755
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INSTALL_DATA    ?= $(INSTALL) -m 644
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MAKE_DIR        ?= $(INSTALL) -d -m 755
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