Extract compression functions into a new library.

.gitignore

@@ -167,6 +167,8 @@ uptime-*.json
 /src/ext/keccak-tiny/libkeccak-tiny.lib
 
 # /src/lib
+/src/lib/libtor-compress.a
+/src/lib/libtor-compress-testing.a
 /src/lib/libtor-ctime.a
 /src/lib/libtor-ctime-testing.a
 /src/lib/libtor-err.a

Makefile.am

@@ -66,6 +66,7 @@ TOR_CRYPTO_TESTING_LIBS = \
 # All static libraries used to link tor.
 TOR_INTERNAL_LIBS = \
 	src/or/libtor-app.a \
+        src/lib/libtor-compress.a \
 	$(TOR_CRYPTO_LIBS) \
 	$(TOR_UTIL_LIBS) \
 	src/common/libor-event.a \
@@ -76,10 +77,9 @@ TOR_INTERNAL_LIBS = \
 # and tests)
 TOR_INTERNAL_TESTING_LIBS = \
 	src/or/libtor-app-testing.a \
+        src/lib/libtor-compress-testing.a \
 	$(TOR_CRYPTO_TESTING_LIBS) \
 	$(TOR_UTIL_TESTING_LIBS) \
-	$(LIBKECCAK_TINY) \
-	$(LIBDONNA) \
 	src/common/libor-event-testing.a \
 	src/trunnel/libor-trunnel-testing.a \
 	src/trace/libor-trace.a

src/common/include.am

@@ -87,11 +87,6 @@ src/common/src_common_libor_testing_a-log.$(OBJEXT) \
 LIBOR_CRYPTO_A_SRC = \
   src/common/aes.c		\
   src/common/buffers_tls.c	\
-  src/common/compress.c	\
-  src/common/compress_lzma.c	\
-  src/common/compress_none.c	\
-  src/common/compress_zlib.c	\
-  src/common/compress_zstd.c	\
   src/common/crypto.c		\
   src/common/crypto_dh.c       \
   src/common/crypto_digest.c     \
@@ -147,11 +142,6 @@ COMMONHEADERS = \
   src/common/compat_openssl.h			\
   src/common/compat_threads.h			\
   src/common/compat_time.h			\
-  src/common/compress.h				\
-  src/common/compress_lzma.h			\
-  src/common/compress_none.h			\
-  src/common/compress_zlib.h			\
-  src/common/compress_zstd.h			\
   src/common/confline.h				\
   src/common/container.h			\
   src/common/crypto.h				\

src/include.am

@@ -1,6 +1,7 @@
 include src/ext/include.am
 include src/lib/err/include.am
 include src/lib/ctime/include.am
+include src/lib/compress/include.am
 include src/common/include.am
 include src/trunnel/include.am
 include src/or/include.am

src/lib/compress/include.am

@@ -0,0 +1,25 @@
+
+noinst_LIBRARIES += src/lib/libtor-compress.a
+
+if UNITTESTS_ENABLED
+noinst_LIBRARIES += src/lib/libtor-compress-testing.a
+endif
+
+src_lib_libtor_compress_a_SOURCES =			\
+	src/lib/compress/compress.c		\
+	src/lib/compress/compress_lzma.c	\
+	src/lib/compress/compress_none.c	\
+	src/lib/compress/compress_zlib.c	\
+	src/lib/compress/compress_zstd.c
+
+src_lib_libtor_compress_testing_a_SOURCES = \
+	$(src_lib_libtor_compress_a_SOURCES)
+src_lib_libtor_compress_testing_a_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_CPPFLAGS)
+src_lib_libtor_compress_testing_a_CFLAGS = $(AM_CFLAGS) $(TEST_CFLAGS)
+
+noinst_HEADERS	+=				\
+	src/lib/compress/compress.h		\
+	src/lib/compress/compress_lzma.h	\
+	src/lib/compress/compress_none.h	\
+	src/lib/compress/compress_zlib.h	\
+	src/lib/compress/compress_zstd.h