+# Convert MSYS-style /x/foo or Windows-style x:\foo file names
+# into x:/foo that Windows can grok.
+msys_to_w32=sed -e 's,\\\\,/,g' -e 's,^/\([A-Za-z]\)/,\1:/,'
+
+# Transform directory search path and its components. Original can
+# be MSYS or Windows style. Set path separator to ";", directory
+# separator to "/" and transform MSYS-style "/c/" to "c:/".
+# Remove empty path components and escape semicolons.
+msys_lisppath_to_w32=sed -e 's,\\\\,/,g' \
+ -e 's,\(^\|[:;]\)\([A-Za-z]\):/,\1/\2/,g' \
+ -e 's/:/;/g' -e 's,\(^\|;\)/\([A-Za-z]\)/,\1\2:/,g' \
+ -e 's/;\+/;/g' -e 's/^;//' -e 's/;$$//' -e 's/;/\\\\;/g'
+
+# Replace "${prefix}" with '%emacs_dir%' (which expands to install
+# directory at runtime).
+msys_prefix_subst=sed -e 's!\(^\|;\)'"$${prefixpattern}"'\([;/]\|$$\)!\1%emacs_dir%\2!g'
+
+# Quote Sed special characters (except backslash and newline) with
+# a double backslash.
+msys_sed_sh_escape=sed -e 's/[];$$*.^[]/\\\\&/g'
+
+# The w32 build needs a slightly different editing, and it uses
+# nt/epaths.nt as the template.
+# Use the value of ${locallisppath} supplied by `configure',
+# to support the --enable-locallisppath argument.
+#
+# When building with MinGW inside the MSYS tree, 'pwd' produces directories
+# relative to the root of the MSYS tree, e.g. '/home/user/foo' instead of
+# '/d/MSYS/home/user/foo'. If such a value of srcdir is written to
+# src/epaths.h, that causes temacs to fail, because, being a MinGW
+# program that knows nothing of MSYS root substitution, it cannot find
+# the data directory. "pwd -W" produces Windows-style 'd:/foo/bar'
+# absolute directory names, so we use it here to countermand that lossage.
+epaths-force-w32: FRC
+ @(w32srcdir=`cd "${srcdir}"; pwd -W | sed -e 's,^\([A-Za-z]\):,/\1,' | ${msys_to_w32}` ; \
+ prefixpattern=`echo '${prefix}' | ${msys_to_w32} | ${msys_sed_sh_escape}` ; \
+ locallisppath=`echo '${locallisppath}' | ${msys_lisppath_to_w32} | ${msys_prefix_subst}` ; \
+ sed < ${srcdir}/nt/epaths.nt > epaths.h.$$$$ \
+ -e 's;\(#.*PATH_SITELOADSEARCH\).*$$;\1 "'"$${locallisppath}"'";' \
+ -e '/^.*#/s/@VER@/${version}/g' \
+ -e '/^.*#/s/@CFG@/${configuration}/g' \
+ -e "/^.*#/s|@SRC@|$${w32srcdir}|g") && \
+ ${srcdir}/build-aux/move-if-change epaths.h.$$$$ src/epaths.h
+
+# If lib/Makefile would build files in '.', then build them before
+# building 'lib', to avoid races with parallel makes.
+lib: am--refresh