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https://git.do.srb2.org/STJr/SRB2.git
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416 lines
9.2 KiB
Makefile
416 lines
9.2 KiB
Makefile
# GNU Makefile for SRB2
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# the poly3 Makefile adapted over and over...
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#
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# Copyright 1998-2000 DooM Legacy Team.
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# Copyright 2020-2022 James R.
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# Copyright 2003-2022 Sonic Team Junior.
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#
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# This program is free software distributed under the
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# terms of the GNU General Public License, version 2.
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# See the 'LICENSE' file for more details.
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#
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# Special targets:
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#
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# clean - remove executables and objects for this build
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# cleandep - remove dependency files for this build
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# distclean - remove entire executable, object and
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# dependency file directory structure.
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# dump - disassemble executable
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# info - print settings
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#
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# This Makefile can automatically detect the host system
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# as well as the compiler version. If system or compiler
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# version cannot be detected, you may need to set a flag
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# manually.
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#
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# On Windows machines, 32-bit Windows is always targetted.
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#
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# Platform/system flags:
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#
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# LINUX=1, LINUX64=1
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# MINGW=1, MINGW64=1 - Windows (MinGW toolchain)
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# UNIX=1 - Generic Unix like system
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# FREEBSD=1
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# SDL=1 - Use SDL backend. SDL is the only implemented backend though.
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# If disabled, a dummy backend will be used.
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#
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# A list of supported GCC versions can be found in
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# Makefile.d/detect.mk -- search 'gcc_versions'.
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#
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# Feature flags:
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#
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# Safe to use online
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# ------------------
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# NO_IPV6=1 - Disable IPv6 address support.
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# NOHW=1 - Disable OpenGL renderer.
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# ZDEBUG=1 - Enable more detailed memory debugging
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# HAVE_MINIUPNPC=1 - Enable automated port forwarding.
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# Already enabled by default for 32-bit
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# Windows.
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# NOASM=1 - Disable hand optimized assembly code for the
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# Software renderer.
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# NOPNG=1 - Disable PNG graphics support. (TODO: double
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# check netplay compatible.)
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# NOCURL=1 - Disable libcurl--HTTP capability.
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# NOGME=1 - Disable game music emu, retro VGM support.
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# NOOPENMPT=1 - Disable module (tracker) music support.
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# NOMIXER=1 - Disable SDL Mixer (audio playback).
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# NOMIXERX=1 - Forgo SDL Mixer X--revert to standard SDL
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# Mixer. Mixer X is the default for Windows
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# builds.
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# HAVE_MIXERX=1 - Enable SDL Mixer X. Outside of Windows
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# builds, SDL Mixer X is not the default.
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# NOTHREADS=1 - Disable multithreading.
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#
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# Netplay incompatible
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# --------------------
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# NONET=1 - Disable online capability.
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# NOMD5=1 - Disable MD5 checksum (validation tool).
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# NOPOSTPROCESSING=1 - ?
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# MOBJCONSISTANCY=1 - ??
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# PACKETDROP=1 - ??
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# DEBUGMODE=1 - Enable various debugging capabilities.
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# Also disables optimizations.
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# NOZLIB=1 - Disable some compression capability. Implies
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# NOPNG=1.
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#
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# Development flags:
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#
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# VALGRIND=1 - Enable Valgrind memory debugging support.
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# PROFILEMODE=1 - Enable performance profiling (gprof).
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#
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# General flags for building:
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#
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# STATIC=1 - Use static linking.
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# DISTCC=1
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# CCACHE=1
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# UPX= - UPX command to use for compressing final
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# executable.
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# WINDOWSHELL=1 - Use Windows commands.
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# PREFIX= - Prefix to many commands, for cross compiling.
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# YASM=1 - Use Yasm instead of NASM assembler.
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# STABS=1 - ?
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# ECHO=1 - Print out each command in the build process.
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# NOECHOFILENAMES=1 - Don't print out each that is being
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# worked on.
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# SILENT=1 - Print absolutely nothing except errors.
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# RELAXWARNINGS=1 - Use less compiler warnings/errors.
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# ERRORMODE=1 - Treat most compiler warnings as errors.
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# NOCASTALIGNWARN=1 - ?
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# NOLDWARNING=1 - ?
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# NOSDLMAIN=1 - ?
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# SDLMAIN=1 - ?
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#
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# Library configuration flags:
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# Everything here is an override.
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#
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# PNG_PKGCONFIG= - libpng-config command.
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# PNG_CFLAGS=, PNG_LDFLAGS=
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#
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# CURLCONFIG= - curl-config command.
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# CURL_CFLAGS=, CURL_LDFLAGS=
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#
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# VALGRIND_PKGCONFIG= - pkg-config package name.
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# VALGRIND_CFLAGS=, VALGRIND_LDFLAGS=
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#
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# LIBGME_PKGCONFIG=, LIBGME_CFLAGS=, LIBGME_LDFLAGS=
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# LIBOPENMPT_PKGCONFIG=
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# LIBOPENMPT_CFLAGS=, LIBOPENMPT_LDFLAGS=
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#
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# ZLIB_PKGCONFIG=, ZLIB_CFLAGS=, ZLIB_LDFLAGS=
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#
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# SDL_PKGCONFIG=
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# SDL_CONFIG= - sdl-config command.
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# SDL_CFLAGS=, SDL_LDFLAGS=
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clean_targets=cleandep clean distclean info
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.PHONY : $(clean_targets) all
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goals:=$(or $(MAKECMDGOALS),all)
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cleanonly:=$(filter $(clean_targets),$(goals))
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destructive:=$(filter-out info,$(cleanonly))
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ifndef cleanonly
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include Makefile.d/old.mk
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endif
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include Makefile.d/util.mk
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ifdef PREFIX
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CC:=$(PREFIX)-gcc
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endif
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OBJDUMP_OPTS?=--wide --source --line-numbers
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OBJCOPY:=$(call Prefix,objcopy)
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OBJDUMP:=$(call Prefix,objdump)
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WINDRES:=$(call Prefix,windres)
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ifdef YASM
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NASM?=yasm
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else
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NASM?=nasm
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endif
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ifdef YASM
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ifdef STABS
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NASMOPTS?=-g stabs
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else
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NASMOPTS?=-g dwarf2
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endif
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else
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NASMOPTS?=-g
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endif
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GZIP?=gzip
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GZIP_OPTS?=-9 -f -n
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ifdef WINDOWSHELL
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GZIP_OPTS+=--rsyncable
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endif
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UPX_OPTS?=--best --preserve-build-id
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ifndef ECHO
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UPX_OPTS+=-qq
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endif
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include Makefile.d/detect.mk
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# make would try to remove the implicitly made directories
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.PRECIOUS : %/ comptime.c
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sources:=
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makedir:=../make
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# -DCOMPVERSION: flag to use comptime.h
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opts:=-DCOMPVERSION -g
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libs:=
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nasm_format:=
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# This is a list of variables names, of which if defined,
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# also defines the name as a macro to the compiler.
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passthru_opts:=
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include Makefile.d/platform.mk
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include Makefile.d/features.mk
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include Makefile.d/versions.mk
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ifdef DEBUGMODE
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makedir:=$(makedir)/debug
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endif
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depdir:=$(makedir)/deps
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objdir:=$(makedir)/objs
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# very sophisticated dependency
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sources+=\
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$(call List,Sourcefile)\
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$(call List,blua/Sourcefile)\
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depends:=$(basename $(filter %.c %.s,$(sources)))
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objects:=$(basename $(filter %.c %.s %.nas,$(sources)))
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depends:=$(depends:%=$(depdir)/%.d)
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# comptime.o added directly to objects instead of thru
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# sources because comptime.c includes comptime.h, but
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# comptime.h may not exist yet. It's a headache so this is
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# easier.
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objects:=$(objects:=.o) comptime.o
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# windows resource file
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rc_file:=$(basename $(filter %.rc,$(sources)))
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ifdef rc_file
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objects+=$(rc_file:=.res)
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endif
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objects:=$(addprefix $(objdir)/,$(objects))
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ifdef DEBUGMODE
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bin:=../bin/debug
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else
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bin:=../bin
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endif
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# default EXENAME (usually set by platform)
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EXENAME?=srb2
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DBGNAME?=$(EXENAME).debug
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exe:=$(bin)/$(EXENAME)
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dbg:=$(bin)/$(DBGNAME)
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build_done==== Build is done, look for \
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$(<F) at $(abspath $(<D)) ===
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all : $(exe)
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$(call Echo,$(build_done))
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ifndef VALGRIND
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dump : $(dbg).txt
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endif
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ifdef STATIC
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libs+=-static
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endif
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# build with profiling information
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ifdef PROFILEMODE
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opts+=-pg
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libs+=-pg
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endif
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ifdef DEBUGMODE
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debug_opts=-D_DEBUG
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else # build a normal optimized version
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debug_opts=-DNDEBUG
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opts+=-O3
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endif
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# debug_opts also get passed to windres
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opts+=$(debug_opts)
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opts+=$(foreach v,$(passthru_opts),$(if $($(v)),-D$(v)))
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opts+=$(WFLAGS) $(CPPFLAGS) $(CFLAGS)
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libs+=$(LDFLAGS)
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asflags:=$(ASFLAGS) -x assembler-with-cpp
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cc=$(CC)
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ifdef DISTCC
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cc=distcc $(CC)
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endif
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ifdef CCACHE
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cc=ccache $(CC)
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endif
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ifndef SILENT
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# makefile will 'restart' when it finishes including the
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# dependencies.
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ifndef MAKE_RESTARTS
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ifndef destructive
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$(shell $(CC) -v)
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define flags =
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SHELL ..... $(SHELL)
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CC ........ $(cc)
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CFLAGS .... $(opts)
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LDFLAGS ... $(libs)
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endef
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$(info $(flags))
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endif
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# don't generate dependency files if only cleaning
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ifndef cleanonly
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$(info Checking dependency files...)
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include $(depends)
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endif
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endif
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endif
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LD:=$(CC)
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cc:=$(cc) $(opts)
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nasm=$(NASM) $(NASMOPTS) -f $(nasm_format)
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ifdef UPX
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upx=$(UPX) $(UPX_OPTS)
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endif
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windres=$(WINDRES) $(WINDRESFLAGS)\
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$(debug_opts) --include-dir=win32 -O coff
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%/ :
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$(.)$(mkdir) $(call Windows_path,$@)
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# this is needed so the target can be referenced in the
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# prerequisites
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.SECONDEXPANSION :
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# 'UPX' is also recognized in the environment by upx
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unexport UPX
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# executable stripped of debugging symbols
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$(exe) : $(dbg) | $$(@D)/
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$(.)$(OBJCOPY) --strip-debug $< $@
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$(.)-$(OBJCOPY) --add-gnu-debuglink=$< $@
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ifdef UPX
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$(call Echo,Compressing final executable...)
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$(.)-$(upx) $@
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endif
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# original executable with debugging symbols
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$(dbg) : $(objects) | $$(@D)/
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$(call Echo,Linking $(@F)...)
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$(.)$(LD) -o $@ $^ $(libs)
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# disassembly of executable
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$(dbg).txt : $(dbg)
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$(call Echo,Dumping debugging info...)
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$(.)$(OBJDUMP) $(OBJDUMP_OPTS) $< > $@
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$(.)$(GZIP) $(GZIP_OPTS) $@
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# '::' means run unconditionally
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# this really updates comptime.h
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comptime.c ::
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ifdef WINDOWSHELL
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-$(.)..\comptime.bat .
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else
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-$(.)../comptime.sh .
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endif
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# I wish I could make dependencies out of rc files :(
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$(objdir)/win32/Srb2win.res : \
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win32/afxres.h win32/resource.h
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# dependency recipe template
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# 1: source file suffix
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# 2: extra flags to gcc
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define _recipe =
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$(depdir)/%.d : %.$(1) | $$$$(@D)/
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ifndef WINDOWSHELL
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ifdef Echo_name
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@printf '%-20.20s\r' $$<
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endif
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endif
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$(.)$(cc) -MM -MF $$@ -MT $(objdir)/$$*.o $(2) $$<
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endef
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$(eval $(call _recipe,c))
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$(eval $(call _recipe,s,$(asflags)))
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# compiling recipe template
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# 1: target file suffix
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# 2: source file suffix
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# 3: compile command
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define _recipe =
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$(objdir)/%.$(1) : %.$(2) | $$$$(@D)/
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$(call Echo_name,$$<)
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$(.)$(3)
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endef
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$(eval $(call _recipe,o,c,$(cc) -c -o $$@ $$<))
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$(eval $(call _recipe,o,nas,$(nasm) -o $$@ $$<))
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$(eval $(call _recipe,o,s,$(cc) $(asflags) -c -o $$@ $$<))
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$(eval $(call _recipe,res,rc,$(windres) -i $$< -o $$@))
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_rm=$(.)$(rmrf) $(call Windows_path,$(1))
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cleandep :
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$(call _rm,$(depends) comptime.h)
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clean :
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$(call _rm,$(exe) $(dbg) $(dbg).txt $(objects))
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distclean :
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$(call _rm,../bin ../objs ../dep ../make comptime.h)
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info:
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ifdef WINDOWSHELL
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@REM
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else
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@:
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endif
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