| 1 | # Central makefile for building the OS2/GCC C runtime
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| 2 | #
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| 3 | # InnoTek Systemberatung GmbH
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| 4 | #
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| 5 | # Copyright (c) 1994-1995 by Eberhard Mattes
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| 6 | # Copyright (c) 2003 InnoTek Systemberatung GmbH
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| 7 | #
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| 8 | # Author: Andrew Zabolotny <[email protected]>
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| 9 | # $Id: Makefile 1133 2004-01-31 23:57:51Z bird $
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| 10 | #
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| 11 | # All Rights Reserved
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| 12 | #
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| 13 | # Requires GNU Make.
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| 14 | # In fact, this build system could be entitled "GNU Make Unleashed"
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| 15 | #
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| 16 | # For a brief description of how build system works please read build.txt
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| 17 | #
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| 18 | # Bootstrapping sequence using EMX gcc compiler:
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| 19 | #
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| 20 | # 1. Backup include/ctype.h and rename include/ctype.h-bootstrap to
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| 21 | # include/ctype.h
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| 22 | # 2. Run 'make os2', put the resulting library os2.a to emx/lib as _os2.a,
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| 23 | # and convert it to .lib with emxomf: 'emxomf _os2.a'
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| 24 | # 3. Now compile everything you wish this way: 'make LIBS=-l_os2'
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| 25 | #
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| 26 |
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| 27 | # Build type control variables. You can set them right from command line,
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| 28 | # e.g "make MODE=dbg"
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| 29 |
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| 30 | # Build mode: opt (optimization), dbg (debug)
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| 31 | MODE = dbg
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| 32 | # Base output directory
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| 33 | OUT = out/
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| 34 | # Base installation directory
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| 35 | INS = out/$(MODE)/install/
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| 36 | # CPU type (pretend we are portable ;-)
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| 37 | CPU = 386
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| 38 | # Name of this makefile
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| 39 | ifndef MAKEFILE
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| 40 | MAKEFILE = Makefile
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| 41 | endif
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| 42 |
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| 43 | # Actual output directory (referenced with $.)
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| 44 | . = $(OUT)$(MODE)/
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| 45 |
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| 46 | # overrides from the environment.
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| 47 | ifdef PATH_OBJ
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| 48 | ifndef PATH_OBJD
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| 49 | PATH_OBJD := $(shell echo $(PATH_OBJ)|sed 's/^[a-zA-Z]://')
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| 50 | endif
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| 51 | OUT = $(PATH_OBJD)/emx/
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| 52 | INS = $(PATH_OBJD)/builttools/usr/
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| 53 | . = $(OUT)
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| 54 | endif
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| 55 |
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| 56 | ifdef BUILD_MODE
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| 57 | ifeq ($(BUILD_MODE),RELEASE)
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| 58 | MODE = opt
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| 59 | endif
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| 60 | endif
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| 61 |
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| 62 | # Check if MODE has a valid value
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| 63 | ifneq ($(filter-out /opt/ /dbg/ /prf/,/$(MODE)/),)
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| 64 | $(error MODE should have one of the following values: opt, dbg, prf)
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| 65 | endif
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| 66 |
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| 67 | # The object file format to use for tools (emxomf, ld and friends)
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| 68 | TOOLFMT.dbg = omf
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| 69 | TOOLFMT.opt = omf
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| 70 | TOOLFMT.prf = omf
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| 71 | TOOLFMT = $(TOOLFMT.$(MODE))
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| 72 |
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| 73 | # Use ash.exe which is quite fast (comparable to cmd.exe) but has more features
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| 74 | SHELL := ash.exe
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| 75 |
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| 76 | # Source base directory.
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| 77 | srcdir := $(shell pwd)
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| 78 |
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| 79 | # File name extensions
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| 80 | # Executable files -- xxx$E
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| 81 | E = .exe
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| 82 | # DLL files --- xxx$D
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| 83 | D = .dll
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| 84 | # Library files --- xxx$A
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| 85 | A = .$(if $(findstring omf,$(.TKIND)),lib,a)
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| 86 |
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| 87 | # Use the tool we built.
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| 88 | GETTOOL ?= $.$(TOOLFMT)/$1$E
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| 89 | # Use the tool we built if present
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| 90 | GETTOOL2 ?= `test -f '$.$(TOOLFMT)/$1$E' && echo '$.$(TOOLFMT)/'`$1$E
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| 91 |
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| 92 | # The C compiler
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| 93 | CC = gcc -c -Zmt -fmessage-length=150
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| 94 | # The C compiler flags
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| 95 | ifndef NO_LOCAL_HEADERS
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| 96 | CFLAGS.INC += -Iinclude
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| 97 | endif
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| 98 | CFLAGS.INC += -Isrc/include
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| 99 | CFLAGS = -Wall -Wmissing-prototypes -mstack-arg-probe $(CFLAGS.INC) $(CFLAGS.$(MODE)) $(CFLAGS.KIND)
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| 100 | # The additional C compiler flags for different build modes
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| 101 | CFLAGS.opt = -g -O3
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| 102 | CFLAGS.dbg = -g -DDEBUG
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| 103 | CFLAGS.prf = -g -O3 -pg
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| 104 | CFLAGS.aout = -Zaout
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| 105 | CFLAGS.omf = -Zomf
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| 106 | CFLAGS.prof = -pg
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| 107 | # The object files are put in subdirectory objectformat-targetkind,
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| 108 | # we decompose object file name back and pick appropiate $CFLAGS
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| 109 | CFLAGS.KIND = $(foreach x,$(subst -, ,$(firstword $(subst /, ,$(subst $.,,$@)))),$(CFLAGS.$x))
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| 110 | # How to compile a .c file
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| 111 | DO.COMPILE.c = $(CC) $(strip $(CFLAGS) $1) -o $@ $(srcdir)/$< -I$(dir $<)
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| 112 | DO.COMPILE.s = $(call DO.COMPILE.c,-x assembler-with-cpp $1)
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| 113 |
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| 114 | # The linker
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| 115 | LD = gcc
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| 116 | # Linker flags
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| 117 | LDFLAGS = $(LDFLAGS.$(MODE)) $(LDFLAGS.KIND) -Zmap -Zstack 1024 -Zhigh-mem $(LIBS)
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| 118 | LDFLAGS.DLL = $(LDFLAGS) -Zdll
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| 119 | # Linker flags for different build modes
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| 120 | LDFLAGS.opt = -g -Zcrtdll=c_dll
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| 121 | LDFLAGS.prf = -g -Zcrtdll=c_dll -lkProfile -LG:/kTaskMgr/Tree/lib/debug
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| 122 | LDFLAGS.dbg = -g
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| 123 | LDFLAGS.aout = -Zaout
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| 124 | LDFLAGS.omf = -Zomf -Zlinker /PM:VIO -Zlinker /LINENUMBERS
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| 125 | LDFLAGS.prof = -pg
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| 126 | # Linker flags for different kinds of target
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| 127 | LDFLAGS.KIND = $(foreach x,$(subst -, ,$(firstword $(subst /, ,$(subst $.,,$@)))),$(LDFLAGS.$x))
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| 128 | # How to link a .exe file
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| 129 | DO.LINK.exe = $(LD) $(strip $(LDFLAGS) $(filter-out -l%,$1)) -o $@ $(^O) $(^DEF) $(^LIB) $(filter -l%,$1)
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| 130 | # How to link a .dll file
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| 131 | DO.LINK.dll = $(LD) $(strip $(LDFLAGS.DLL) $(filter-out -l%,$1)) -o $@ $(^O) $(^DEF) $(^LIB) $(filter -l%,$1)
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| 132 |
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| 133 | # Pack executables and DLLs right after they are linked
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| 134 | # bird: I don't care about space, only performance. So, we will only use
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| 135 | # lxlite for stripping and sector aligning.
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| 136 | # <rant> My explanation is that anything which is used frequently
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| 137 | # enough will be in one of the caches, so unpacking the datasegment
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| 138 | # for each new process is a waste of time. The code segment is
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| 139 | # shared, data segment is not shared, but must be reloaded page by page
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| 140 | # from the executable in new processes. </rant>
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| 141 | # URG! we must not do this for ldstub.bin!
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| 142 | ifeq ($(MODE),opt)
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| 143 | DO.LINK.exe += $(if $(findstring .exe,$@), $(NL)cp $@ $(basename $@).dbg $(NL)lxlite /X /AS $@)
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| 144 | DO.LINK.dll += $(NL)cp $@ $(basename $@).dbg $(NL)lxlite /F+ /AP:4096 /MRN /MLN /MF3 $@
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| 145 | endif
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| 146 |
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| 147 | # emxbind tool
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| 148 | EMXBIND = $(call GETTOOL2,emxbind)
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| 149 | # emxbind flags
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| 150 | EMXBINDFLAGS = -bq $(EMXBINDFLAGS.$(MODE))
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| 151 | EMXBINDFLAGS.opt = -s
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| 152 | EMXBINDFLAGS.prf =
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| 153 | EMXBINDFLAGS.dbg =
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| 154 | # Flags for emxbind
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| 155 | DO.EMXBIND = $(EMXBIND) $(EMXBINDFLAGS) -o $@ $1
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| 156 |
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| 157 | # The macro assembler
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| 158 | ifdef PATH_TOP
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| 159 | ASM = $(PATH_TOP)/tools/x86.os2/masm/v6.0/binp/ml.exe -c
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| 160 | else
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| 161 | ASM = ml -c
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| 162 | endif
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| 163 | ASMFLAGS = -Cp -W3 -WX -VM -nologo
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| 164 | # How to compile an .asm file
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| 165 | DO.COMPILE.asm = $(ASM) $(ASMFLAGS) $1 -Fo$@ $<
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| 166 |
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| 167 | # The tool to create an archive
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| 168 | AR = $(if $(findstring .lib,$@), $(call GETTOOL2,emxomfar),ar)
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| 169 | ARFLAGS = crs
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| 170 | DO.LIBRARY = $(call RM,$@); $(AR) $(ARFLAGS)$1 $@ $(^O)
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| 171 |
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| 172 | # The tool to extract exports from object files and archives,
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| 173 | # removing unused stuff (like empty lines and comments)
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| 174 | # and sorting alphabetically (looks nicer).
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| 175 | EMXEXP = $(call GETTOOL2,emxexp)
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| 176 | EMXEXPFLAGS = -u
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| 177 | DO.EMXEXP = $(EMXEXP) $(strip $(EMXEXPFLAGS) $1) | sed -e "/^$$/d" -e "/^ *;/d" | sort -d >>$2
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| 178 |
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| 179 | # The tool to create import libraries
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| 180 | IMPLIB = $(call GETTOOL2,emximp)
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| 181 | IMPLIBFLAGS.prof = -m
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| 182 | IMPLIBFLAGS.KIND = $(foreach x,$(subst -, ,$(firstword $(subst /, ,$(subst $.,,$@)))),$(IMPLIBFLAGS.$x))
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| 183 | DO.IMPLIB = $(IMPLIB) -o $@ $(strip $1 $(IMPLIBFLAGS.KIND)) $(^I)\
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| 184 | $(if $(^O),$(NL)$(AR) rs $@ $(^O))
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| 185 |
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| 186 | # How to create dependencies
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| 187 | MAKEDEP = makedep
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| 188 | MAKEDEPFLAGS = $(CFLAGS.INC)
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| 189 | DO.DEPS = $(MAKEDEP) $(MAKEDEPFLAGS) \
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| 190 | -I$(subst $(SPACE), -I,$(sort $(dir $^))) -I$. -p$(@D)/ -c -S -f$@ $^
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| 191 |
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| 192 | # How to convert an a.out file to the OMF format
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| 193 | # Emxomf depends on two libs, we have to detect wethere or not emxomf is built
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| 194 | # or not. Unfortunately make isn't up to the job of figuring this out, so we
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| 195 | # must use the shell.
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| 196 | EMXOMF = $(call GETTOOL2,emxomf)
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| 197 | DO.EMXOMF = $(EMXOMF) $(strip $1 -o) $@ $(if $<,$<, $(subst /omf/,/aout/,$(@:.obj=.o)) )
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| 198 |
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| 199 | # How to copy some file to installation directory
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| 200 | # In optimize mode we have to strip the libraries after copying
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| 201 | INSTALL=$(call CP,$1,$2)
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| 202 | ifeq ($(MODE),opt)
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| 203 | INSTALL += $(if $(filter-out %.a,$2),$(NL)strip --strip-debug $2)
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| 204 | INSTALL += $(if $(filter-out %.lib,$2),$(NL)emxomf -s $2)
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| 205 | endif
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| 206 |
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| 207 | # How to filter just the object files from $^
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| 208 | ^O = $(filter %.o,$^)
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| 209 | # Just the .imp files from $^
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| 210 | ^I = $(filter %.imp,$^)
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| 211 | # How to filter just the .def files from $^
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| 212 | ^DEF = $(filter %.def,$^)
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| 213 | # How to filter the libraries from $^
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| 214 | ^LIB = $(strip $(filter %.a,$^) $(filter %.lib,$^))
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| 215 |
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| 216 | # A newline
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| 217 | define NL
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| 218 |
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| 219 |
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| 220 | endef
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| 221 | # Opening and closing brackets (for use inside variable expansions)
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| 222 | OB := (
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| 223 | CB := )
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| 224 | COMMA := ,
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| 225 | SPACE := $(EMPTY) $(EMPTY)
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| 226 | # Text output separator (cannot begin with '-', echo thinks its a switch)
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| 227 | SEP := ==========================================================================
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| 228 |
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| 229 | # How to remove one or more files without questions
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| 230 | RM = rm -f $1
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| 231 | # How to remove one or more directories without questions
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| 232 | RMDIR = rm -rf $1
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| 233 | # How to copy several files to a directory
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| 234 | CP = cp $1 $2
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| 235 | # Miscelaneous tools
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| 236 | MKDIR = mkdir.exe -p $1
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| 237 | # How to update a file only if it has been changed
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| 238 | UPDATE = (cmp -s $1 $2 || mv -f $1 $2) && rm -f $1
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| 239 | # How to touch a file
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| 240 | TOUCH = touch $1
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| 241 | # Re-build the original string including the ',' between args. Also escape
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| 242 | # dollars since otherwise ash would expand them.
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| 243 | ECHOIZE = $(subst $$,\$$,$1$(strip $(subst $(SPACE)$(COMMA),$(COMMA),$(foreach x,2 3 4 5 6 7 8 9,$(if $($x),$(COMMA) $($x))))))
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| 244 | # How to output a text string (with appended newline)
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| 245 | ECHO = echo "$(call ECHOIZE,$1,$2,$3,$4,$5,$6,$7,$8,$9)"
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| 246 | # Same but append the text to a file (given with first argument)
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| 247 | FECHO = echo "$(call ECHOIZE,$2,$3,$4,$5,$6,$7,$8,$9)" >> "$1"
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| 248 | # How to replace the source file extension with a .o extension
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| 249 | OBJEXT = $(patsubst %.s,%.o,$(patsubst %.asm,%.o,$(patsubst %.c,%.o,$1)))
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| 250 | # Compute object file path given source file path (except the $. prefix)
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| 251 | OBJFILE = $(addprefix $(.TKIND.DIR),$(call OBJEXT,$1))
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| 252 |
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| 253 | #------------ Variables appended by submakefiles ------------
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| 254 | # The list of available modules
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| 255 | MODULES :=
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| 256 | # The help text for module list
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| 257 | DO.HELP.MODULES :=
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| 258 | # The help about public makefile variables
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| 259 | DO.HELP.VARS := $(call ECHO, MODE={dbg|opt|prf} - choose between debug, optimized and profiled build modes.)$(NL)
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| 260 | DO.HELP.VARS += $(call ECHO, OBJF={omf|aout} - build object files in omf or a.out format.)$(NL)
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| 261 | # The list of work directories needeed for building all targets
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| 262 | TARGDIRS :=
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| 263 | # Build rules (_@_ replaced by name of generated makefile)
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| 264 | RULES :=
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| 265 | # The list of dependency files
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| 266 | TARGDEPEND :=
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| 267 | # The list of installed files
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| 268 | INS.FILES :=
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| 269 |
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| 270 | .PHONY: default help all libs tools clean install install cleandep \
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| 271 | cleandepend dep depend depdone
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| 272 | .SUFFIXES:
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| 273 | .SUFFIXES: .c .cpp .asm .s .o .exe .dll .a .lib .obj
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| 274 |
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| 275 | # Default target
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| 276 | default: help
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| 277 |
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| 278 | #------------ Submakefiles ------------
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| 279 | ifndef SUBMAK
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| 280 | SUBMAK := version.smak $(wildcard src/*/*.smak) include/include.smak $(wildcard bsd/*/*.smak) $(wildcard gnu/*/*.smak)
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| 281 | endif
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| 282 |
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| 283 | # include template rules
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| 284 | include templates.smak
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| 285 |
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| 286 | # Include all submakefiles
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| 287 | -include $(SUBMAK)
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| 288 |
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| 289 | # Sort and remove duplicate directories
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| 290 | TARGDIRS := $(sort $(TARGDIRS))
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| 291 | # Find out which directories are needed for installation
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| 292 | INSDIRS := $(sort $(dir $(INS.FILES)))
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| 293 |
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| 294 | #------------ Global targets ------------
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| 295 | help:
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| 296 | @$(call ECHO,$(SEP))
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| 297 | @$(call ECHO,Welcome to $(PACKAGE) version $(VERSION) build system!)
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| 298 | @$(call ECHO,$(COPYRIGHT))
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| 299 | @$(call ECHO,To build something, type 'make {target} {vars}', where {target} is one of:)
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| 300 | @$(call ECHO, all - build all available modules)
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| 301 | @$(call ECHO, {module-name} - build just a particular module)
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| 302 | @$(call ECHO, tools - build just the tools)
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| 303 | @$(call ECHO, libs - build all libraries)
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| 304 | @$(call ECHO, clean - remove all generated files (remove all built files))
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| 305 | @$(call ECHO, install - generate a installation tree in $(INS))
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| 306 | @$(call ECHO, dep - generate dependency files for all changed targets)
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| 307 | @$(call ECHO, cleandep - remove all dependency file)
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| 308 | @$(call ECHO,$(SEP))
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| 309 | @$(call ECHO,There are a number of variables than can be set in the make)
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| 310 | @$(call ECHO,command line to control various aspects of compilation:)
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| 311 | @$(DO.HELP.VARS)
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| 312 | @$(call ECHO,$(SEP))
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| 313 | @$(call ECHO,The following modules are included in this package:)
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| 314 | @$(DO.HELP.MODULES)
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| 315 | @$(call ECHO,$(SEP))
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| 316 |
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| 317 | all: $(MODULES)
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| 318 |
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| 319 | clean:
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| 320 | $(call RMDIR,$(OUT))
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| 321 |
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| 322 | cleandep cleandepend:
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| 323 | $(call RM,$(TARGDEPEND))
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| 324 |
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| 325 | dep depend:
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| 326 | @$(MAKE) --no-print-directory BUILD_DEPS=1 depdone
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| 327 |
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| 328 | depdone:
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| 329 | @$(call ECHO,Dependency files succesfully updated)
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| 330 |
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| 331 | install: all $(INSDIRS) $(INS.FILES)
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| 332 |
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| 333 | $. $(INSDIRS) $(TARGDIRS):
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| 334 | $(call MKDIR,$@)
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| 335 |
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| 336 | # bird: add rule for forcibly re-generating the rules.
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| 337 | rules:
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| 338 | @$(call ECHO,smak don't generate rules anylonger!)
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| 339 |
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| 340 | # The general a.out -> OMF conversion rule for object files
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| 341 | $.omf/%.obj:
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| 342 | $(call DO.EMXOMF)
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| 343 |
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| 344 | # The general a.out -> OMF conversion rule for libraries
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| 345 | $.omf%.lib:
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| 346 | $(call DO.EMXOMF)
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| 347 |
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