minio/pkgs/signify/libsignify/provide_signify_as_library-20141025.diff

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e7707be
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.o
+signify
+*.a
+*.so*
\ No newline at end of file
diff --git a/Makefile b/Makefile
index c332dd4..6780617 100644
--- a/Makefile
+++ b/Makefile
@@ -9,31 +9,37 @@ DESTDIR=
 
 CC=gcc
 AR=ar
-LIB=static
 INSTALL=/usr/bin/install -c
 
-CFLAGS=-O2 -D_FORTIFY_SOURCE=2 -ftrapv -fPIE -fstack-protector-all \
+CFLAGS=-O2 -D_FORTIFY_SOURCE=2 -fPIC -ftrapv -fPIE -fstack-protector-all \
 	-Wno-attributes -Wno-unused-result -Ibsd-compat -I.
 
 TARGET = signify
 
-TARGET_LIB = libsignify_$(LIB).a
+SIGNIFY_STATIC_LIB = libsignify_static.a
+SIGNIFY_SHARED_LIB = libsignify_shared.so
 
-SIGNIFY_OBJS = signify.o fe25519.o sc25519.o smult_curve25519_ref.o \
+SIGNIFY_OBJS = fe25519.o sc25519.o smult_curve25519_ref.o \
 	mod_ed25519.o mod_ge25519.o crypto_api.o base64.o bcrypt_pbkdf.o \
 	explicit_bzero.o arc4random.o timingsafe_bcmp.o sha2.o blowfish.o \
 	readpassphrase.o strlcpy.o helpers.o ohash.o
 
 all:	$(TARGET) $(TARGET_LIB)
 
-$(TARGET): $(SIGNIFY_OBJS)
-	$(CC) $(CFLAGS) -o $(TARGET) $(SIGNIFY_OBJS)
+%.o: %.c
+	$(CC) $(CFLAGS) -c $<
 
-$(TARGET_LIB): $(SIGNIFY_OBJS)
-	$(AR) crs $(TARGET_LIB) $(SIGNIFY_OBJS)
+$(SIGNIFY_STATIC_LIB): $(SIGNIFY_OBJS)
+	$(AR) crs $@ $(SIGNIFY_OBJS)
+
+$(SIGNIFY_SHARED_LIB): $(SIGNIFY_STATIC_LIB)
+	$(CC) -shared -o $@ $(SIGNIFY_STATIC_LIB)
+
+$(TARGET): $(SIGNIFY_STATIC_LIB) $(SIGNIFY_STATIC_LIB)
+	$(CC) $(CFLAGS) -o $(TARGET) signify.c $(SIGNIFY_STATIC_LIB)
 
 clean:
-	@rm -f *.o signify $(TARGET_LIB)
+	rm -f *.o *.so *.a signify
 
 install:
 	$(INSTALL) -c -D -m 0755 signify $(DESTDIR)/$(bindir)/signify
diff --git a/README b/README
index b999d28..b5cb832 100644
--- a/README
+++ b/README
@@ -14,3 +14,8 @@ OpenBSD but in no way undermines compatibility of keys and signatures.
 HOWTO and the manpage contain sample usage.
 
 mancha <mancha1 AT zoho DOT com>
+
+Based on http://sourceforge.net/projects/slackdepot/files/signify/,
+this fork builds libsignify additionally to be used with external tools
+
+Harshavardhana <harsha AT harshavardhana DOT net>
\ No newline at end of file
diff --git a/fe25519.h b/fe25519.h
index 41b3cbb..6d347c7 100644
--- a/fe25519.h
+++ b/fe25519.h
@@ -29,9 +29,9 @@
 #define fe25519_invert       crypto_sign_ed25519_ref_fe25519_invert
 #define fe25519_pow2523      crypto_sign_ed25519_ref_fe25519_pow2523
 
-typedef struct 
+typedef struct
 {
-  crypto_uint32 v[32]; 
+  crypto_uint32 v[32];
 }
 fe25519;