Commit 6d76a603 authored by Andrew Innes's avatar Andrew Innes

(Trouble-shooting): Add note about need to specify extra

compiler flags with recent Cygwin ports of gcc.
parent d3776990
Building and Installing Emacs
on Windows NT and Windows 95/98/2000
on Windows NT/2000 and Windows 95/98/ME
To compile Emacs, you will need either Microsoft Visual C++ 2.0 or
later, or a Windows port of GCC 2.95 or later with Mingw and W32 API
......@@ -7,7 +7,7 @@
but Emacs requires the Mingw headers and libraries to build.
If you build Emacs on Windows 9X or ME, not on Windows 2000 or
Windows/NT, we suggest to install the Cygwin port of Bash.
Windows NT, we suggest to install the Cygwin port of Bash.
Please see http://www.mingw.org for pointers to GCC/Mingw binaries.
......@@ -35,7 +35,7 @@
cygwin provides this?
[4] may fail on Windows 9X and Windows ME; if so, install Bash.
Configuring:
* Configuring
Configuration of Emacs is now handled by running configure.bat in the
nt subdirectory. It will detect which compiler you have available,
......@@ -51,7 +51,7 @@ Configuring:
is running, when gcc support is being tested. These cannot be
surpressed because of limitations in the Windows 9x command.com shell.
Building:
* Building
After running configure, simply run the appropriate `make' program for
your compiler to build Emacs. For MSVC, this is nmake; for GCC, it is
......@@ -63,7 +63,7 @@ Building:
The warnings may be fixed in the main FSF source at some point, but
until then we will just live with them.
Installing:
* Installing
To install Emacs after it has compiled, simply run `make install'.
......@@ -77,7 +77,7 @@ Installing:
The install process will run addpm to setup the registry entries, and
to create a Start menu icon for Emacs.
Trouble-shooting:
* Trouble-shooting
The main problems that are likely to be encountered when building
Emacs stem from using an old version of GCC, or old Mingw or W32 API
......@@ -104,7 +104,15 @@ Trouble-shooting:
build without sh.exe. (Some versions of Windows shells are too dumb
for Makefile's used by Emacs.)
Debugging:
If you are using a recent Cygwin build of GCC, such as Cygwin version
1.1.8, you may need to specify some extra compiler flags like so:
configure --with-gcc --cflags -mwin32 --cflags -D__MSVCRT__
We will attempt to auto-detect the need for these flags in a future
release.
* Debugging
You should be able to debug Emacs using the debugger that is
appropriate for the compiler you used, namely DevStudio or Windbg if
......
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