Re: [emacs-announce] Emacs pretest 26.0.90 is out

[Stephen Leake <stephen_leake@stephe-leake.org>]

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Nicolas Petton <nicolas@petton.fr> writes:

> The first pretest for what will be the 26.1 release of Emacs
> (the extensible text editor) is available at
>
>   ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-26.0.90.tar.xz

This works for me on Windows 81, MingW64.

I deleted my previous MingW64 install, and installed a fresh one,
attempting to follow the instructions in emacs/nt/INSTALL.W64.

The current MingW64 differs from those instructions; it has *.exe
instead of *.sh for starting the msys and mingw shells. There was also a
change in the spelling of a package in the list of pacman packages.

Attached is a diff for INSTALL.W64. If there are no objections, I'll
commit this on the emacs-26 branch.

-- 
-- Stephe

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diff --git a/nt/INSTALL.W64 b/nt/INSTALL.W64
index 841660bf0f..71864ce8c2 100644
--- a/nt/INSTALL.W64
+++ b/nt/INSTALL.W64
@@ -49,13 +49,13 @@ will also be available at the Windows console.
 
 ** Download and install the necessary packages
 
-Run msys2_shell.bat in your MSYS2 directory and you will see a BASH window
+Run c:/msys64/msys2.exe in your MSYS2 directory and you will see a BASH window
 opened.
 
 In the BASH prompt, use the following command to install the necessary
 packages (you can copy and paste it into the shell with Shift + Insert):
 
-  pacman -S base-devel \
+  pacman -S --needed base-devel \
   mingw-w64-x86_64-toolchain \
   mingw-w64-x86_64-xpm-nox \
   mingw-w64-x86_64-libtiff \
@@ -63,7 +63,7 @@ packages (you can copy and paste it into the shell with Shift + Insert):
   mingw-w64-x86_64-libpng \
   mingw-w64-x86_64-libjpeg-turbo \
   mingw-w64-x86_64-librsvg \
-  mingw-w64-x86_64-liblcms2 \
+  mingw-w64-x86_64-lcms2 \
   mingw-w64-x86_64-libxml2 \
   mingw-w64-x86_64-gnutls \
   mingw-w64-x86_64-zlib
@@ -126,10 +126,10 @@ Now you're ready to build and install Emacs with autogen, configure, make,
 and make install.
 
 First we need to switch to the MinGW-w64 environment.  Exit the MSYS2 BASH
-console and run mingw64_shell.bat in the C:\msys64 folder, then cd back to
+console and run mingw64.exe in the C:\msys64 folder, then cd back to
 your Emacs source directory, e.g.:
 
-  cd /c/emacs/emacs-25
+  cd /c/emacs/emacs-26
 
 ** Run autogen
 
@@ -146,7 +146,7 @@ that the example given here is just a simple one - for more information
 on the options available please see the INSTALL file in this directory.
 
 The '--prefix' option specifies a location for the resulting binary files,
-which 'make install' will use - in this example we set it to C:\emacs\emacs-25.
+which 'make install' will use - in this example we set it to C:\emacs\emacs-26.
 If a prefix is not specified the files will be put in the standard Unix
 directories located in your C:\msys64 directory, but this is not recommended.
 
@@ -154,7 +154,7 @@ Note also that we need to disable Imagemagick because Emacs does not yet
 support it on Windows.
 
   PKG_CONFIG_PATH=/mingw64/lib/pkgconfig \
-  ./configure --prefix=/c/emacs/emacs-25 --without-imagemagick
+  ./configure --prefix=/c/emacs/emacs-26 --without-imagemagick
 
 ** Run make