Fix build system to respect DESTDIR and rename subsql to subsql-gdb,
in order to avoid name clash with FastDB version of subsql.

--- a/Makefile.in
+++ b/Makefile.in
@@ -21,7 +21,7 @@
 # Place where to copy Gigabase library
 libdir = @libdir@
 
-# Place where to copy Gigabase subsql utility
+# Place where to copy Gigabase subsql-gdb utility
 bindir = @bindir@
 
 VERSION = 2
@@ -42,7 +42,7 @@
 
 GB_LIB = libgigabase$(SUFF).${LIBEXT}
 CLI_LIB = libcli$(SUFF).${LIBEXT}
-EXES = subsql
+EXES = subsql-gdb
 
 EXAMPLES = guess testdb testjoin testddl testperf testspat testperf2 testsync testiref testtrav testidx testidx2 clitest testblob testleak testsession testtimeseries testtl
 WEB_EXAMPLES = cgistub bugdb clidb
@@ -90,8 +90,8 @@
 clitest: clitest.o $(CLI_LIB)
 	$(LIBTOOL) --mode=link $(LD) $(LDFLAGS) -o clitest clitest.o $(CLI_LIB) $(SOCKLIBS)
 
-subsql: subsql.o $(GB_LIB)
-	$(LIBTOOL) --mode=link $(LD) $(LDFLAGS) -o subsql subsql.o $(GB_LIB) $(SOCKLIBS)
+subsql-gdb: subsql.o $(GB_LIB)
+	$(LIBTOOL) --mode=link $(LD) $(LDFLAGS) -o subsql-gdb subsql.o $(GB_LIB) $(SOCKLIBS)
 
 bugdb: bugdb.o $(GB_LIB)
 	$(LIBTOOL) --mode=link $(LD) $(LDFLAGS) -o bugdb bugdb.o $(GB_LIB) $(SOCKLIBS)
@@ -153,18 +153,18 @@
 testleak: testleak.o $(GB_LIB)
 	$(LIBTOOL) --mode=link $(LD) $(LDFLAGS) -o testleak testleak.o $(GB_LIB) $(SLHACK)
 
-install: subsql $(GB_LIB) $(CLI_LIB)
-	mkdir -p $(includedir)
-	cp $(INCS) $(CLI_INCS) $(includedir)
-	mkdir -p $(libdir)
-	$(LIBTOOL) --mode=install $(INSTALL) $(GB_LIB) $(CLI_LIB) $(libdir)
-	mkdir -p $(bindir)
-	if test -x .libs/subsql ; then \
-		cp .libs/subsql $(bindir); \
+install: subsql-gdb $(GB_LIB) $(CLI_LIB)
+	mkdir -p $(DESTDIR)$(includedir)
+	cp $(INCS) $(CLI_INCS) $(DESTDIR)$(includedir)
+	mkdir -p $(DESTDIR)$(libdir)
+	$(LIBTOOL) --mode=install $(INSTALL) $(GB_LIB) $(CLI_LIB) $(DESTDIR)$(libdir)
+	mkdir -p $(DESTDIR)$(bindir)
+	if test -x .libs/subsql-gdb ; then \
+		cp .libs/subsql-gdb $(DESTDIR)$(bindir); \
 	else \
-		cp subsql $(bindir); \
+		cp subsql-gdb $(DESTDIR)$(bindir); \
 	fi
-#	strip $(bindir)/subsql
+#	strip $(bindir)/subsql-gdb
 
 clean:
 	rm -f *.o *.lo core *~