second instance for testing

Makefile.conf

@@ -18,3 +18,9 @@ ASN1C_INCLUDE=/opt/local/share/asn1c
 # DEFAULT_KEYSERVER - string with default keyserver
 # CRASHDUMP_DEFAULT_LINES - number of log lines to deliver for crashdumps
 
+#EXTRAMACROS=-DDEFAULT_KEYSERVER=\"default-server.org\" -DCRASHDUMP_DEFAULT_LINES=23
+
+# second instance for testing
+
+EXTRAMACROS=-DLOCAL_DB_FILENAME=\".pEp_management2.db\"
+TARGET=libpEpEngine2.dylib 

src/Makefile

@@ -5,14 +5,14 @@ OPENPGP?=GPG
 ifeq ($(BUILD_ON),Darwin)
 ifeq ($(BUILD_FOR),Darwin)
 
-TARGET=libpEpEngine.dylib
+TARGET?=libpEpEngine.dylib
 MACOSX_VERSION_MIN=10.6
 GPGME_IN=$(HOME)
 LIBGPGME=libgpgme-pthread.dylib
 CC?=clang -std=c99 -pthread
 LD?=clang
 CFLAGS?=-I$(GPGME_IN)/include -I$(HOME)/include -I/opt/local/include $(OPTIMIZE) -pedantic \
-	-DSYSTEM_DB=\"$(SYSTEM_DB)\" -DLIBGPGME=\"$(LIBGPGME)\" -I../asn.1
+	-DSYSTEM_DB=\"$(SYSTEM_DB)\" -DLIBGPGME=\"$(LIBGPGME)\" -I../asn.1 $(EXTRAMACROS)
 LDFLAGS?=-lc -shared -arch x86_64 \
 	-L$(HOME)/lib -L/usr/lib -L/opt/local/lib -letpan -lsqlite3 -L../asn.1 -lasn1 -lz -liconv
 
@@ -29,7 +29,7 @@ LIBGPGME=libgpgme.so.11
 CC=gcc -std=c99
 CFLAGS?=-I$(GPGME_IN)/include $(OPTIMIZE) -fPIC -pedantic \
 	-DSYSTEM_DB=\"$(SYSTEM_DB)\" -DLIBGPGME=\"$(LIBGPGME)\" \
-	-DSQLITE_THREADSAFE=1 -D_GNU_SOURCE -I../asn.1
+	-DSQLITE_THREADSAFE=1 -D_GNU_SOURCE -I../asn.1 $(EXTRAMACROS)
 LDFLAGS?=-L$(GPGME_IN)/lib -shared -lc -ldl -letpan -lpthread -L../asn.1 -lasn1
 
 else

src/platform_unix.c

@@ -11,7 +11,9 @@
 #include "platform_unix.h"
 
 #define MAX_PATH 1024
+#ifndef LOCAL_DB_FILENAME
 #define LOCAL_DB_FILENAME ".pEp_management.db"
+#endif
 #define SYSTEM_DB_FILENAME "system.db"
 
 #ifndef bool