add libknot-int library

- libknot-int exports all symbols
- pkg-config is updated to make the change transparent

.gitignore

@@ -58,6 +58,7 @@
 /src/knot/conf/libknotd_la-cf-lex.c
 /src/knot/conf/libknotd_la-cf-parse.c
 /src/knot/conf/libknotd_la-cf-parse.h
+/libknot.pc
 
 # dnstap
 /src/dnstap/Makefile

libknot.pc.in

@@ -7,5 +7,5 @@ Name: libknot
 Description: Knot DNS library
 URL: http://www.knot-dns.cz
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -lknot @LIBS@
+Libs: -L${libdir} -lknot -lknot-int @LIBS@
 Cflags: -I${includedir}

src/Makefile.am

@@ -3,7 +3,7 @@ SUBDIRS = zscanner dnstap .
 
 sbin_PROGRAMS = knotc knotd
 bin_PROGRAMS = kdig khost knsupdate knsec3hash
-lib_LTLIBRARIES = libknot.la
+lib_LTLIBRARIES = libknot.la libknot-int.la
 noinst_LTLIBRARIES = libknotd.la libknotus.la
 
 # $(YACC) will generate header file
@@ -78,13 +78,62 @@ libknotus_la_SOURCES =				\
 	utils/common/token.c			\
 	utils/common/token.h
 
-# dynamic: libknot
-libknot_la_LDFLAGS =				\
-	$(AM_LDFLAGS)				\
-	$(RELEASE_INFO) $(VERSION_INFO)
+# dynamic: libknot internal headers
+nobase_libknot_int_la_HEADERS =			\
+	libknot/internal/array-sort.h		\
+	libknot/internal/base32hex.h		\
+	libknot/internal/base64.h		\
+	libknot/internal/binsearch.h		\
+	libknot/internal/endian.h		\
+	libknot/internal/errors.h		\
+	libknot/internal/getline.h		\
+	libknot/internal/heap.h			\
+	libknot/internal/hhash.h		\
+	libknot/internal/lists.h		\
+	libknot/internal/macros.h		\
+	libknot/internal/mem.h			\
+	libknot/internal/mempattern.h		\
+	libknot/internal/mempool.h		\
+	libknot/internal/namedb/namedb.h	\
+	libknot/internal/namedb/namedb_lmdb.h	\
+	libknot/internal/namedb/namedb_trie.h	\
+	libknot/internal/net.h			\
+	libknot/internal/print.h		\
+	libknot/internal/sockaddr.h		\
+	libknot/internal/strlcat.h		\
+	libknot/internal/strlcpy.h		\
+	libknot/internal/tolower.h		\
+	libknot/internal/trie/hat-trie.h	\
+	libknot/internal/trie/murmurhash3.h	\
+	libknot/internal/utils.h
+
+# dynamic: libknot internal sources
+libknot_int_la_SOURCES =			\
+	libknot/internal/base32hex.c		\
+	libknot/internal/base64.c		\
+	libknot/internal/errors.c		\
+	libknot/internal/getline.c		\
+	libknot/internal/heap.c			\
+	libknot/internal/hhash.c		\
+	libknot/internal/lists.c		\
+	libknot/internal/mem.c			\
+	libknot/internal/mempattern.c		\
+	libknot/internal/mempool.c		\
+	libknot/internal/namedb/namedb_lmdb.c	\
+	libknot/internal/namedb/namedb_trie.c	\
+	libknot/internal/net.c			\
+	libknot/internal/print.c		\
+	libknot/internal/sockaddr.c		\
+	libknot/internal/strlcat.c		\
+	libknot/internal/strlcpy.c		\
+	libknot/internal/tolower.c		\
+	libknot/internal/trie/hat-trie.c	\
+	libknot/internal/trie/murmurhash3.c	\
+	libknot/internal/utils.c		\
+	$(libknot_int_la_HEADERS)
 
 # dynamic: libknot headers
-nobase_libknot_la_HEADERS =				\
+nobase_libknot_la_HEADERS =			\
 	libknot/binary.h			\
 	libknot/consts.h			\
 	libknot/descriptor.h			\
@@ -122,34 +171,9 @@ nobase_libknot_la_HEADERS =				\
 	libknot/rrtype/rrsig.h			\
 	libknot/rrtype/soa.h			\
 	libknot/rrtype/tsig.h			\
-	libknot/tsig-op.h			\
-	libknot/internal/array-sort.h		\
-	libknot/internal/base32hex.h		\
-	libknot/internal/base64.h		\
-	libknot/internal/binsearch.h		\
-	libknot/internal/endian.h		\
-	libknot/internal/errors.h		\
-	libknot/internal/getline.h		\
-	libknot/internal/heap.h			\
-	libknot/internal/hhash.h		\
-	libknot/internal/lists.h		\
-	libknot/internal/macros.h		\
-	libknot/internal/mem.h			\
-	libknot/internal/mempattern.h		\
-	libknot/internal/mempool.h		\
-	libknot/internal/namedb/namedb.h	\
-	libknot/internal/namedb/namedb_lmdb.h	\
-	libknot/internal/namedb/namedb_trie.h	\
-	libknot/internal/net.h			\
-	libknot/internal/print.h		\
-	libknot/internal/sockaddr.h		\
-	libknot/internal/strlcat.h		\
-	libknot/internal/strlcpy.h		\
-	libknot/internal/tolower.h		\
-	libknot/internal/trie/hat-trie.h	\
-	libknot/internal/trie/murmurhash3.h	\
-	libknot/internal/utils.h
+	libknot/tsig-op.h
 
+# dynamic: libknot sources
 libknot_la_SOURCES =				\
 	libknot/binary.c			\
 	libknot/consts.c			\
@@ -177,27 +201,6 @@ libknot_la_SOURCES =				\
 	libknot/rrtype/opt.c			\
 	libknot/rrtype/tsig.c			\
 	libknot/tsig-op.c			\
-	libknot/internal/base32hex.c		\
-	libknot/internal/base64.c		\
-	libknot/internal/errors.c		\
-	libknot/internal/getline.c		\
-	libknot/internal/heap.c			\
-	libknot/internal/hhash.c		\
-	libknot/internal/lists.c		\
-	libknot/internal/mem.c			\
-	libknot/internal/mempattern.c		\
-	libknot/internal/mempool.c		\
-	libknot/internal/namedb/namedb_lmdb.c	\
-	libknot/internal/namedb/namedb_trie.c	\
-	libknot/internal/net.c			\
-	libknot/internal/print.c		\
-	libknot/internal/sockaddr.c		\
-	libknot/internal/strlcat.c		\
-	libknot/internal/strlcpy.c		\
-	libknot/internal/tolower.c		\
-	libknot/internal/trie/hat-trie.c	\
-	libknot/internal/trie/murmurhash3.c	\
-	libknot/internal/utils.c		\
 	$(libknot_la_HEADERS)
 
 # static: server shared
@@ -325,17 +328,25 @@ libknotd_la_SOURCES =				\
 	knot/zone/zonefile.c			\
 	knot/zone/zonefile.h
 
-# libraries
-libknot_la_LIBADD  = zscanner/libzscanner.la $(systemd_LIBS) $(lmdb_LIBS)
+# linking
+libknot_int_la_CPPFLAGS = $(AM_CPPFLAGS) $(lmdb_CFLAGS)
+libknot_int_la_CFLAGS = $(AM_CFLAGS) -fvisibility=default
+libknot_int_la_LDFLAGS = $(AM_LDFLAGS) $(RELEASE_INFO) $(VERSION_INFO) $(lmdb_LIBS)
+
+libknot_la_LDFLAGS = $(AM_LDFLAGS) $(RELEASE_INFO) $(VERSION_INFO)
+libknot_la_LIBADD  = libknot-int.la zscanner/libzscanner.la
+
+libknotd_la_CPPFLAGS  = $(AM_CPPFLAGS) $(systemd_CFLAGS)
+libknotd_la_LDFLAGS = $(AM_LDFLAGS) $(systemd_LIBS)
 libknotd_la_LIBADD = libknot.la
-libknotus_la_LIBADD = libknot.la
-libknotd_la_CPPFLAGS = $(AM_CPPFLAGS) $(lmdb_CFLAGS)
-libknotd_la_LDFLAGS = $(AM_LDFLAGS) $(lmdb_LIBS)
+
 libknotus_la_CPPFLAGS = $(AM_CPPFLAGS) $(libidn_CFLAGS)
 libknotus_la_LDFLAGS = $(AM_LDFLAGS) $(libidn_LIBS)
+libknotus_la_LIBADD = libknot.la
 
 # includes
 libknot_ladir = $(includedir)
+libknot_int_ladir = $(includedir)
 
 # sbin programs
 knotd_LDADD = libknot.la libknotd.la