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1 #
2 # Makefile definition file for building GNU Emacs on the Microsoft W32 API.
3 # Copyright (c) 2000-2001 Free Software Foundation, Inc.
4 #
5 # GNU Emacs is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2, or (at your option)
8 # any later version.
9 #
10 # GNU Emacs is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with GNU Emacs; see the file COPYING. If not, write to
17 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 # Boston, MA 02111-1307, USA.
19
20 # Ensure 'all' is the default target
21 all:
22
23 # NOTES
24 #
25 # I tried to force gmake to use the native shell for simplicity, by
26 # setting SHELL as below, but this didn't work reliably because of
27 # various case sensitivity niggles. Specifically, COMSPEC (which is in
28 # fact usually spelled ComSpec on NT, to make life difficult) typically
29 # references "cmd.exe" (on NT) when the file is actually called
30 # "CMD.EXE" on disk for hysterical raisons. As a result, GNU make
31 # thinks it doesn't exist (unless compiled with a switch to ignore
32 # case), and so doesn't change which shell it will invoke to execute
33 # commands.
34 #
35 # It would be possible, though very tedious using just gmake facilities,
36 # to convert the COMSPEC value to uppercase to solve this problem, but
37 # it isn't worth it. That is partly because, even when using the native
38 # shell, gmake tends to not be happy with backslashes in command
39 # strings. The obvious solution is to use forward slashes as much as
40 # possible, which can be made to work most of the time (putting
41 # filenames in quotes often helps), but there are still some internal
42 # cmd.exe commands like `del' and `copy' that won't work with them.
43 # Although it is possible to convert slashes to backslashes when
44 # necessary, gmake requires explicitly calling its subst function, which
45 # nmake does not understand). For this reason, it is simplest to
46 # mandate that rm and cp be available, so we can use Unix-format file
47 # names everywhere. (Fortunately both MS and GNU make, and the
48 # respective compilers, are happy with Unix-format names.)
49 #
50 # Since we cannot easily force the choice of a particular shell, we must
51 # make the effort to cope with whichever shell is being used.
52 # Fortunately, the only command we need to use that is shell specific is
53 # the testing of a file's existence for the purpose of working out when
54 # we are copying files to their original location. That particular
55 # requirement is abstracted easily enough.
56 #
57 # The only other problem area was the change of directory when running
58 # temacs to dump emacs.exe (where gmake doesn't support cd foo in any
59 # useful way), but that has been resolved by modifying the Windows
60 # unexec function slightly to not require the directory change while
61 # still allowing objects and binaries to be in subdirectories.
62
63 # This doesn't work.
64 #SHELL:=$(COMSPEC)
65
66 # Determine whether make is using sh or cmd/command as shell; cmd.exe
67 # will output "ECHO is on" when echo is given by itself, while sh will
68 # not produce any output.
69 sh_output := $(shell echo)
70 ifeq "$(findstring ECHO, $(sh_output))" "ECHO"
71 THE_SHELL = $(COMSPEC)$(ComSpec)
72 SHELLTYPE=CMD
73 else
74 USING_SH = 1
75 THE_SHELL = $(SHELL)
76 SHELLTYPE=SH
77 endif
78
79 MAKETYPE=gmake
80
81 THISDIR = .
82
83 # Cygwin has changed quoting rules somewhat since b20, in a way that
84 # affects makefiles using sh as the command processor, so we need to
85 # detect which rules to use.
86 ifdef USING_SH
87 sh_output := $(shell echo foo")
88 ifeq "$(sh_output)" ""
89 NEW_CYGWIN = 1
90 $(warning [Please ignore the syntax error just above - it is intentional])
91 endif
92 endif
93
94 ALL_DEPS = $^
95 EMPTY =
96 SPACE = $(EMPTY) $(EMPTY)
97
98 SUBSYSTEM_WINDOWS=-Wl,-subsystem,windows
99 SUBSYSTEM_CONSOLE=-Wl,-subsystem,console
100
101 # INSTALL_DIR is the directory into which emacs will be installed.
102 #
103 ifndef INSTALL_DIR
104 INSTALL_DIR = $(CURDIR)/..
105 endif
106
107 export EMACSLOADPATH
108
109 # Determine the architecture we're running on.
110 # Define ARCH for our purposes;
111 # Define CPU for use by ntwin32.mak;
112 # Define CONFIG_H to the appropriate config.h for the system;
113 #
114 ifdef PROCESSOR_ARCHITECTURE
115 # We're on Windows NT
116 CPU = $(PROCESSOR_ARCHITECTURE)
117 CONFIG_H = config.nt
118 OS_TYPE = windowsnt
119 ifeq "$(PROCESSOR_ARCHITECTURE)" "x86"
120 ARCH = i386
121 CPU = i386
122 else
123 ifeq "$(PROCESSOR_ARCHITECTURE)" "MIPS"
124 ARCH = mips
125 else
126 ifeq "$(PROCESSOR_ARCHITECTURE)" "ALPHA"
127 ARCH = alpha
128 else
129 ifeq "$(PROCESSOR_ARCHITECTURE)" "PPC"
130 ARCH = ppc
131 else
132 error Unknown architecture type "$(PROCESSOR_ARCHITECTURE)"
133 endif
134 endif
135 endif
136 endif
137 else
138 # We're on Windows 95
139 ARCH = i386
140 CPU = i386
141 CONFIG_H = config.nt
142 OS_TYPE = windows95
143 endif
144
145 AR = ar -rsc
146 AR_OUT =
147 CC = gcc
148 CC_OUT = -o$(SPACE)
149 LINK = gcc
150 LINK_OUT = -o$(SPACE)
151 RC = windres -O coff
152 RC_OUT = -o$(SPACE)
153 RC_INCLUDE = --include-dir$(SPACE)
154
155 libc =
156 baselibs =
157 O = o
158 A = a
159
160 BASE_LIBS = $(libc) $(baselibs)
161
162 ADVAPI32 = -ladvapi32
163 COMDLG32 = -lcomdlg32
164 GDI32 = -lgdi32
165 MPR = -lmpr
166 SHELL32 = -lshell32
167 USER32 = -luser32
168 WSOCK32 = -lwsock32
169
170 ifdef NOOPT
171 DEBUG_CFLAGS = -DEMACSDEBUG
172 else
173 DEBUG_CFLAGS =
174 endif
175 CFLAGS = -I. -DWIN32_LEAN_AND_MEAN $(ARCH_CFLAGS) -D$(ARCH) \
176 -D_CRTAPI1=_cdecl \
177 $(DEBUG_CFLAGS) $(USER_CFLAGS) $(LOCAL_FLAGS)
178 EMACS_EXTRA_C_FLAGS = -DUSE_CRT_DLL=1
179
180 # see comments in allocate_heap in w32heap.c before changing any of the
181 # -stack, -heap, or -image-base settings.
182 TEMACS_EXTRA_LINK = -Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -g $(SUBSYSTEM_CONSOLE) -Wl,-entry,__start -Wl,-Map,$(BLD)/temacs.map
183
184 ifdef NOOPT
185 OBJDIR = oo
186 else
187 OBJDIR = oo-spd
188 endif
189 $(OBJDIR):; -mkdir "$(OBJDIR)"
190 BLD = $(OBJDIR)/$(ARCH)
191 $(BLD): $(OBJDIR)
192 -mkdir "$(BLD)"
193
194 COMPILER_TEMP_FILES =
195
196 CP = cp -f
197 CP_DIR = cp -rf
198 DEL = rm
199 DEL_TREE = rm -r
200
201 ifdef USING_SH
202
203 IFNOTSAMEDIR = if [ ! -s ../same-dir.tst ] ; then
204 FOREACH = for f in
205 FORVAR = $${f}
206 FORDO = ; do
207 ENDFOR = ; done
208 ENDIF = ; fi
209 ARGQUOTE = '
210 ifdef NEW_CYGWIN
211 DQUOTE = "
212 else
213 DQUOTE = ""
214 endif
215
216 else
217
218 IFNOTSAMEDIR = if not exist ../same-dir.tst
219 FOREACH = for %%f in (
220 FORVAR = %%f
221 FORDO = ) do
222 ENDFOR =
223 ENDIF =
224 ARGQUOTE = "
225 DQUOTE = \"
226
227 endif
228
229 ifdef NODEBUG
230 DEBUG_FLAG =
231 DEBUG_LINK =
232 else
233 DEBUG_FLAG = -g
234 DEBUG_LINK = -g
235 endif
236
237 ifdef NOCYGWIN
238 NOCYGWIN = -mno-cygwin
239 endif
240
241 ifeq "$(ARCH)" "i386"
242 ifdef NOOPT
243 ARCH_CFLAGS = -D_X86_=1 -c $(DEBUG_FLAG) $(NOCYGWIN)
244 else
245 ARCH_CFLAGS = -D_X86_=1 -c $(DEBUG_FLAG) $(NOCYGWIN) -mcpu=i686 -O2 \
246 # -fbuiltin \
247 # -finline-functions \
248 # -fomit-frame-pointer
249 endif
250 ARCH_LDFLAGS = $(SYS_LDFLAGS)
251 else
252 ERROR Unknown architecture type "$(ARCH)".
253 endif
254
255 LINK_FLAGS = $(ARCH_LDFLAGS) $(DEBUG_LINK) $(NOCYGWIN) $(USER_LDFLAGS)
256
257 .DEFAULT:
258
259 $(BLD)/%.o: %.c
260 $(CC) $(CFLAGS) $(CC_OUT)$@ $<