integrated sqlite3 + luasqlite3 in build

This will pull in support for SQLite3.
For the API, see here:
http://lua.sqlite.org/index.cgi/index

Makefile

@@ -5,6 +5,9 @@ MUPDFDIR=mupdf
 MUPDFTARGET=build/debug
 MUPDFLIBDIR=$(MUPDFDIR)/$(MUPDFTARGET)
 
+SQLITE3DIR=sqlite-amalgamation-3070900
+LSQLITE3DIR=lsqlite3_svn08
+
 # set this to your ARM cross compiler:
 
 CC:=arm-unknown-linux-gnueabi-gcc
@@ -45,16 +48,21 @@ THIRDPARTYLIBS := $(MUPDFLIBDIR)/libfreetype.a \
 	       	$(MUPDFLIBDIR)/libjbig2dec.a \
 	       	$(MUPDFLIBDIR)/libz.a
 
+# comment this out to build without sqlite3
+SQLITE3OBJS := lsqlite3.o sqlite3.o
+SQLITE3LDFLAGS := -lpthread
+
 LUALIB := $(LUADIR)/src/liblua.a
 
-kpdfview: kpdfview.o einkfb.o pdf.o blitbuffer.o input.o util.o $(MUPDFLIBS) $(THIRDPARTYLIBS) $(LUALIB)
-	$(CC) -lm -ldl $(EMU_LDFLAGS) \
+kpdfview: kpdfview.o einkfb.o pdf.o blitbuffer.o input.o util.o $(SQLITE3OBJS) $(MUPDFLIBS) $(THIRDPARTYLIBS) $(LUALIB)
+	$(CC) -lm -ldl $(EMU_LDFLAGS) $(SQLITE3LDFLAGS) \
 		kpdfview.o \
 		einkfb.o \
 		pdf.o \
 		blitbuffer.o \
 		input.o \
 		util.o \
+		$(SQLITE3OBJS) \
 		$(MUPDFLIBS) \
 		$(THIRDPARTYLIBS) \
 		$(LUALIB) \
@@ -66,6 +74,11 @@ einkfb.o input.o: %.o: %.c
 kpdfview.o pdf.o blitbuffer.o util.o: %.o: %.c
 	$(CC) -c $(KPDFREADER_CFLAGS) $< -o $@
 
+sqlite3.o: $(SQLITE3DIR)/sqlite3.c
+	$(CC) -c $(CFLAGS) $(SQLITE3DIR)/sqlite3.c -o $@
+
+lsqlite3.o: $(LSQLITE3DIR)/lsqlite3.c
+	$(CC) -c $(CFLAGS) -I$(LUADIR)/src -I$(SQLITE3DIR) $(LSQLITE3DIR)/lsqlite3.c -o $@
 
 fetchthirdparty:
 	-rmdir mupdf
@@ -74,6 +87,8 @@ fetchthirdparty:
 	git clone git://git.ghostscript.com/mupdf.git
 	( cd mupdf ; wget http://www.mupdf.com/download/mupdf-thirdparty.zip && unzip mupdf-thirdparty.zip; patch -p1 < ../mupdf-64M-memory-limit.diff )
 	wget http://www.lua.org/ftp/lua-5.1.4.tar.gz && tar xvzf lua-5.1.4.tar.gz && ln -s lua-5.1.4 lua
+	wget "http://lua.sqlite.org/index.cgi/zip/lsqlite3_svn08.zip?uuid=svn_8" && unzip "lsqlite3_svn08.zip?uuid=svn_8"
+	wget "http://sqlite.org/sqlite-amalgamation-3070900.zip" && unzip sqlite-amalgamation-3070900.zip
 
 clean:
 	-rm -f *.o kpdfview

kpdfview.c

@@ -28,6 +28,9 @@
 #include "einkfb.h"
 #include "input.h"
 
+/* forward declaration for luasqlite3: */
+LUALIB_API int luaopen_lsqlite3(lua_State *L);
+
 lua_State *L;
 
 int main(int argc, char **argv) {
@@ -49,6 +52,8 @@ int main(int argc, char **argv) {
 		luaopen_input(L);
 		luaopen_util(L);
 
+		luaopen_lsqlite3(L);
+
 		lua_newtable(L);
 		for(i=2; i < argc; i++) {
 			lua_pushstring(L, argv[i]);