1 # -*- Makefile -*- definition file for building GNU Emacs on Windows NT.
2 # Copyright (c) 2000-2001 Free Software Foundation, Inc.
4 # GNU Emacs is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # GNU Emacs is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with GNU Emacs; see the file COPYING. If not, write to
16 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 # Boston, MA 02111-1307, USA.
19 # Ensure 'all' is the default target
24 # I tried to force gmake to use the native shell for simplicity, by
25 # setting SHELL as below, but this didn't work reliably because of
26 # various case sensitivity niggles. Specifically, COMSPEC (which is in
27 # fact usually spelled ComSpec on NT, to make life difficult) typically
28 # references "cmd.exe" (on NT) when the file is actually called
29 # "CMD.EXE" on disk for hysterical raisons. As a result, GNU make
30 # thinks it doesn't exist (unless compiled with a switch to ignore
31 # case), and so doesn't change which shell it will invoke to execute
34 # It would be possible, though very tedious using just gmake facilities,
35 # to convert the COMSPEC value to uppercase to solve this problem, but
36 # it isn't worth it. That is partly because, even when using the native
37 # shell, gmake tends to not be happy with backslashes in command
38 # strings. The obvious solution is to use forward slashes as much as
39 # possible, which can be made to work most of the time (putting
40 # filenames in quotes often helps), but there are still some internal
41 # cmd.exe commands like `del' and `copy' that won't work with them.
42 # Although it is possible to convert slashes to backslashes when
43 # necessary, gmake requires explicitly calling its subst function, which
44 # nmake does not understand). For this reason, it is simplest to
45 # mandate that rm and cp be available, so we can use Unix-format file
46 # names everywhere. (Fortunately both MS and GNU make, and the
47 # respective compilers, are happy with Unix-format names.)
49 # Since we cannot easily force the choice of a particular shell, we must
50 # make the effort to cope with whichever shell is being used.
51 # Fortunately, the only command we need to use that is shell specific is
52 # the testing of a file's existence for the purpose of working out when
53 # we are copying files to their original location. That particular
54 # requirement is abstracted easily enough.
56 # The only other problem area was the change of directory when running
57 # temacs to dump emacs.exe (where gmake doesn't support cd foo in any
58 # useful way), but that has been resolved by modifying the Windows
59 # unexec function slightly to not require the directory change while
60 # still allowing objects and binaries to be in subdirectories.
65 # Determine whether make is using sh or cmd/command as shell; cmd.exe
66 # will output "ECHO is on" when echo is given by itself, while sh will
67 # not produce any output.
68 sh_output := $(shell echo)
69 ifeq "$(findstring ECHO, $(sh_output))" "ECHO"
70 THE_SHELL = $(COMSPEC)$(ComSpec)
80 # The following "ifeq" does not appear to DTRT, and therefore breaks
81 # the build on mingw32. Also the -m option does not exist in many
82 # (reasonably recent even) versions of Cygwin. These issues need to be
83 # remedied before putting this cygpath kludge back in.
85 # Convert CURDIR to native file name, if in Cygwin format
86 #ifeq "$(shell cygpath $(CURDIR))" "$(CURDIR)"
87 #CURDIR := $(shell cygpath -m $(CURDIR))
92 # Cygwin has changed quoting rules somewhat since b20, in a way that
93 # affects makefiles using sh as the command processor, so we need to
94 # detect which rules to use.
96 sh_output := $(shell echo [Please ignore a syntax error on the next line - it is intentional] 1>&2)
97 sh_output := $(shell echo foo")
98 ifeq "$(sh_output)" ""
105 SPACE = $(EMPTY) $(EMPTY)
107 SUBSYSTEM_WINDOWS=-Wl,-subsystem,windows
108 SUBSYSTEM_CONSOLE=-Wl,-subsystem,console
110 # INSTALL_DIR is the directory into which emacs will be installed.
113 INSTALL_DIR = $(CURDIR)/..
118 # Determine the architecture we're running on.
119 # Define ARCH for our purposes;
120 # Define CPU for use by ntwin32.mak;
121 # Define CONFIG_H to the appropriate config.h for the system;
123 ifdef PROCESSOR_ARCHITECTURE
124 # We're on Windows NT
125 CPU = $(PROCESSOR_ARCHITECTURE)
128 ifeq "$(PROCESSOR_ARCHITECTURE)" "x86"
132 ifeq "$(PROCESSOR_ARCHITECTURE)" "MIPS"
135 ifeq "$(PROCESSOR_ARCHITECTURE)" "ALPHA"
138 ifeq "$(PROCESSOR_ARCHITECTURE)" "PPC"
141 error Unknown architecture type "$(PROCESSOR_ARCHITECTURE)"
147 # We're on Windows 95
159 LINK_OUT = -o$(SPACE)
162 RC_INCLUDE = --include-dir$(SPACE)
169 BASE_LIBS = $(libc) $(baselibs)
171 ADVAPI32 = -ladvapi32
172 COMDLG32 = -lcomdlg32
179 WINSPOOL = -lwinspool
182 DEBUG_CFLAGS = -DEMACSDEBUG
186 CFLAGS = -I. -DWIN32_LEAN_AND_MEAN -D_WIN32_WINNT=0x0400 $(ARCH_CFLAGS) -D$(ARCH) \
188 $(DEBUG_CFLAGS) $(USER_CFLAGS) $(LOCAL_FLAGS)
189 EMACS_EXTRA_C_FLAGS = -DUSE_CRT_DLL=1
191 # see comments in allocate_heap in w32heap.c before changing any of the
192 # -stack, -heap, or -image-base settings.
193 TEMACS_EXTRA_LINK = -Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -g $(SUBSYSTEM_CONSOLE) -Wl,-entry,__start -Wl,-Map,$(BLD)/temacs.map
200 $(OBJDIR):; -mkdir "$(OBJDIR)"
201 BLD = $(OBJDIR)/$(ARCH)
205 COMPILER_TEMP_FILES =
214 IFNOTSAMEDIR = if [ ! -s ../same-dir.tst ] ; then
229 IFNOTSAMEDIR = if not exist ../same-dir.tst
230 FOREACH = for %%f in (
249 NOCYGWIN = -mno-cygwin
252 ifeq "$(ARCH)" "i386"
254 ARCH_CFLAGS = -D_X86_=1 -c $(DEBUG_FLAG) $(NOCYGWIN)
256 ARCH_CFLAGS = -D_X86_=1 -c $(DEBUG_FLAG) $(NOCYGWIN) -mcpu=i686 -O2 \
258 # -finline-functions \
259 # -fomit-frame-pointer
261 ARCH_LDFLAGS = $(SYS_LDFLAGS)
263 ERROR Unknown architecture type "$(ARCH)".
266 LINK_FLAGS = $(ARCH_LDFLAGS) $(DEBUG_LINK) $(NOCYGWIN) $(USER_LDFLAGS)
271 $(CC) $(CFLAGS) $(CC_OUT)$@ $<
273 # arch-tag: 35eb9662-8534-4bcf-b891-0730a09d657f