(environ.h): New rule for creating environ.h

from environ.h.in.

Rev: src/Makefile.am.in:1.139
Rev: src/environ.h.in:1.1

src/Makefile.am.in

@@ -100,6 +100,16 @@ liblsh_a_LIBADD = @LIBOBJS@
 # 	bison $< -o $@T
 # 	test -s $@T && mv -f $@T $@
 
+# FIXME: Won't work if the filename contains `,', `\', `"' or newline.
+environ.h: environ.h.in Makefile
+	(echo '/* Automatically generated from environ.h.in, by make. */' ; \
+	sed -e 's,@''prefix@,$(prefix),' \
+	    -e 's,@''bindir@,$(bindir),' \
+	    -e 's,@''sbindir@,$(sbindir),' \
+	    -e 's,@''libexecdir@,$(libexecdir),'
+	    -e 's,@''sysconfdir@,$(sysconfdir),' < $<) >$@T
+	test -s $@T && mv -f $@T $@
+
 atoms_defines.h: atoms.in process_atoms
 	$(BASH) $(srcdir)/process_atoms header <$< >$@T
 	test -s $@T && mv -f $@T $@

src/environ.h.in

+/* -*- c -*-
+ *
+ * Defines file names and environment variables used by the lsh
+ * programs. Substitutions are performed at make time, not configure
+ * time. */
+
+#define PREFIX "@prefix@"
+#define BINDIR "@bindir@"
+#define SBINDIR "@sbindir@"
+#define LIBEXECDIR "@libexecdir@"
+#define SYSCONFDIR "@sysconfdir@"