+# 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/[];$$*.^[]/\\\\&/g'
+
+# The w32 build needs a slightly different editing, and it uses
+# nt/epaths.nt as the template.
+# Use the value of ${locallisppath} supplied by `configure',
+# to support the --enable-locallisppath argument.
+epaths-force-w32: FRC
+ @(w32srcdir=`echo "${srcdir}" | ${msys_to_w32}` ; \
+ prefixpattern=`echo '${prefix}' | ${msys_to_w32} | ${msys_sed_sh_escape}` ; \
+ locallisppath=`echo '${locallisppath}' | ${msys_lisppath_to_w32} | ${msys_prefix_subst}` ; \
+ sed < ${srcdir}/nt/epaths.nt > epaths.h.$$$$ \
+ -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
+
+lib-src src: $(NTDIR) lib