OMIT_TRAILING_EMPTY_LINES = /^$$/H; /^$$/d; x; s/\n//p; s/\n*//; x
-# INSTALL file with old ASCII quotation marks (looks ugly on modern machines).
+# INSTALL file with directed ASCII quotation marks.
INSTALL: install.texi
$(INSTALL_PRELUDE) | cat - $< > tmp.texi
$(MAKEINFO) --plaintext --no-validate tmp.texi \
sed -e "s/\`\([^']*\)'/‘\1’/g" $< > $@
GNULIB_TEXI_FILES = $(filter-out maintain.texi make-stds.texi standards.texi,$(wildcard *.texi)) $(wildcard posix-headers/*.texi) $(wildcard posix-functions/*.texi) $(wildcard glibc-headers/*.texi) $(wildcard glibc-functions/*.texi)
+NEWEST_GNULIB_TEXI_FILE = $(shell ls -t $(GNULIB_TEXI_FILES) | sed 1q)
# Date of last update. Requires GNU date.
updated-stamp: $(GNULIB_TEXI_FILES)
- date -u -r `ls -t $^ | sed 1q` +"@set UPDATED %F %T" > $@
+ date -u -r $(NEWEST_GNULIB_TEXI_FILE) +"@set UPDATED %F %T" > $@
# Dependencies. Search for @include to find them all.
gnulib.info gnulib.html gnulib.dvi gnulib.pdf: $(GNULIB_TEXI_FILES) updated-stamp