Embedded LMDB 0.9.11 using cgo. Not building yet

cursor.go

@@ -1,12 +1,11 @@
 package mdb
 
 /*
-#cgo LDFLAGS: -L/usr/local/lib -llmdb
-#cgo CFLAGS: -I/usr/local/include
-
+#cgo CFLAGS: -pthread -W -Wall -Wno-unused-parameter -Wbad-function-cast -O2 -g
 #include <stdlib.h>
 #include <stdio.h>
-#include <lmdb.h>
+#include "src/lmdb.h"
+#include "src/midl.h"
 */
 import "C"
 

env.go

@@ -1,12 +1,13 @@
 package mdb
 
 /*
-#cgo LDFLAGS: -L/usr/local/lib -llmdb
-#cgo CFLAGS: -I/usr/local
-
+#cgo CFLAGS: -pthread -W -Wall -Wno-unused-parameter -Wbad-function-cast -O2 -g
 #include <stdlib.h>
 #include <stdio.h>
-#include <lmdb.h>
+#include "src/lmdb.h"
+#include "src/midl.h"
+#include "src/midl.c"
+#include "src/mdb.c"
 */
 import "C"
 

src/CHANGES

@@ -0,0 +1,77 @@
+LMDB 0.9 Change Log
+
+LMDB 0.9.11 Release (2014/01/15)
+	Add mdb_env_set_assert() (ITS#7775)
+	Fix: invalidate txn on page allocation errors (ITS#7377)
+	Fix xcursor tracking in mdb_cursor_del0() (ITS#7771)
+	Fix corruption from deletes (ITS#7756)
+	Fix Windows/MSVC build issues
+	Raise safe limit of max MDB_MAXKEYSIZE
+	Misc code cleanup
+	Documentation
+		Remove spurious note about non-overlapping flags (ITS#7665)
+
+LMDB 0.9.10 Release (2013/11/12)
+	Add MDB_NOMEMINIT option
+	Fix mdb_page_split() again (ITS#7589)
+	Fix MDB_NORDAHEAD definition (ITS#7734)
+	Fix mdb_cursor_del() positioning (ITS#7733)
+	Partial fix for larger page sizes (ITS#7713)
+	Fix Windows64/MSVC build issues
+
+LMDB 0.9.9 Release (2013/10/24)
+	Add mdb_env_get_fd()
+	Add MDB_NORDAHEAD option
+	Add MDB_NOLOCK option
+	Avoid wasting space in mdb_page_split() (ITS#7589)
+	Fix mdb_page_merge() cursor fixup (ITS#7722)
+	Fix mdb_cursor_del() on last delete (ITS#7718)
+	Fix adding WRITEMAP on existing env (ITS#7715)
+	Fix nested txns (ITS#7515)
+	Fix mdb_env_copy() O_DIRECT bug (ITS#7682)
+	Fix mdb_cursor_set(SET_RANGE) return code (ITS#7681)
+	Fix mdb_rebalance() cursor fixup (ITS#7701)
+	Misc code cleanup
+	Documentation
+		Note that by default, readers need write access
+
+
+LMDB 0.9.8 Release (2013/09/09)
+	Allow mdb_env_set_mapsize() on an open environment
+	Fix mdb_dbi_flags() (ITS#7672)
+	Fix mdb_page_unspill() in nested txns
+	Fix mdb_cursor_get(CURRENT|NEXT) after a delete
+	Fix mdb_cursor_get(DUP) to always return key (ITS#7671)
+	Fix mdb_cursor_del() to always advance to next item (ITS#7670)
+	Fix mdb_cursor_set(SET_RANGE) for tree with single page (ITS#7681)
+	Fix mdb_env_copy() retry open if O_DIRECT fails (ITS#7682)
+	Tweak mdb_page_spill() to be less aggressive
+	Documentation
+		Update caveats since mdb_reader_check() added in 0.9.7
+
+LMDB 0.9.7 Release (2013/08/17)
+	Don't leave stale lockfile on failed RDONLY open (ITS#7664)
+	Fix mdb_page_split() ref beyond cursor depth
+	Fix read txn data race (ITS#7635)
+	Fix mdb_rebalance (ITS#7536, #7538)
+	Fix mdb_drop() (ITS#7561)
+	Misc DEBUG macro fixes
+	Add MDB_NOTLS envflag
+	Add mdb_env_copyfd()
+	Add mdb_txn_env() (ITS#7660)
+	Add mdb_dbi_flags() (ITS#7661)
+	Add mdb_env_get_maxkeysize()
+	Add mdb_env_reader_list()/mdb_env_reader_check()
+	Add mdb_page_spill/unspill, remove hard txn size limit
+	Use shorter names for semaphores (ITS#7615)
+	Build
+		Fix install target (ITS#7656)
+	Documentation
+		Misc updates for cursors, DB handles, data lifetime
+
+LMDB 0.9.6 Release (2013/02/25)
+	Many fixes/enhancements
+
+LMDB 0.9.5 Release (2012/11/30)
+	Renamed from libmdb to liblmdb
+	Many fixes/enhancements

src/COPYRIGHT

@@ -0,0 +1,20 @@
+Copyright 2011-2013 Howard Chu, Symas Corp.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted only as authorized by the OpenLDAP
+Public License.
+
+A copy of this license is available in the file LICENSE in the
+top-level directory of the distribution or, alternatively, at
+<http://www.OpenLDAP.org/license.html>.
+
+OpenLDAP is a registered trademark of the OpenLDAP Foundation.
+
+Individual files and/or contributed packages may be copyright by
+other parties and/or subject to additional restrictions.
+
+This work also contains materials derived from public sources.
+
+Additional information about OpenLDAP can be obtained at
+<http://www.openldap.org/>.

src/LICENSE

@@ -0,0 +1,47 @@
+The OpenLDAP Public License
+  Version 2.8, 17 August 2003
+
+Redistribution and use of this software and associated documentation
+("Software"), with or without modification, are permitted provided
+that the following conditions are met:
+
+1. Redistributions in source form must retain copyright statements
+   and notices,
+
+2. Redistributions in binary form must reproduce applicable copyright
+   statements and notices, this list of conditions, and the following
+   disclaimer in the documentation and/or other materials provided
+   with the distribution, and
+
+3. Redistributions must contain a verbatim copy of this document.
+
+The OpenLDAP Foundation may revise this license from time to time.
+Each revision is distinguished by a version number.  You may use
+this Software under terms of this license revision or under the
+terms of any subsequent revision of the license.
+
+THIS SOFTWARE IS PROVIDED BY THE OPENLDAP FOUNDATION AND ITS
+CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT
+SHALL THE OPENLDAP FOUNDATION, ITS CONTRIBUTORS, OR THE AUTHOR(S)
+OR OWNER(S) OF THE SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+The names of the authors and copyright holders must not be used in
+advertising or otherwise to promote the sale, use or other dealing
+in this Software without specific, written prior permission.  Title
+to copyright in this Software shall at all times remain with copyright
+holders.
+
+OpenLDAP is a registered trademark of the OpenLDAP Foundation.
+
+Copyright 1999-2003 The OpenLDAP Foundation, Redwood City,
+California, USA.  All Rights Reserved.  Permission to copy and
+distribute verbatim copies of this document is granted.

src/Makefile

@@ -0,0 +1,76 @@
+# Makefile for liblmdb (Lightning memory-mapped database library).
+
+########################################################################
+# Configuration. The compiler options must enable threaded compilation.
+#
+# Preprocessor macros (for CPPFLAGS) of interest...
+# Note that the defaults should already be correct for most
+# platforms; you should not need to change any of these.
+# Read their descriptions in mdb.c if you do:
+#
+# - MDB_USE_POSIX_SEM
+# - MDB_DSYNC
+# - MDB_FDATASYNC
+# - MDB_USE_PWRITEV
+#
+# There may be other macros in mdb.c of interest. You should
+# read mdb.c before changing any of them.
+#
+CC	= gcc
+W	= -W -Wall -Wno-unused-parameter -Wbad-function-cast
+THREADS = -pthread
+OPT = -O2 -g
+CFLAGS	= $(THREADS) $(OPT) $(W) $(XCFLAGS)
+LDLIBS	=
+SOLIBS	=
+prefix	= /usr/local
+
+########################################################################
+
+IHDRS	= lmdb.h
+ILIBS	= liblmdb.a liblmdb.so
+IPROGS	= mdb_stat mdb_copy
+IDOCS	= mdb_stat.1 mdb_copy.1
+PROGS	= $(IPROGS) mtest mtest2 mtest3 mtest4 mtest5
+all:	$(ILIBS) $(PROGS)
+
+install: $(ILIBS) $(IPROGS) $(IHDRS)
+	for f in $(IPROGS); do cp $$f $(DESTDIR)$(prefix)/bin; done
+	for f in $(ILIBS); do cp $$f $(DESTDIR)$(prefix)/lib; done
+	for f in $(IHDRS); do cp $$f $(DESTDIR)$(prefix)/include; done
+	for f in $(IDOCS); do cp $$f $(DESTDIR)$(prefix)/man/man1; done
+
+clean:
+	rm -rf $(PROGS) *.[ao] *.so *~ testdb
+
+test:	all
+	mkdir testdb
+	./mtest && ./mdb_stat testdb
+
+liblmdb.a:	mdb.o midl.o
+	ar rs $@ mdb.o midl.o
+
+liblmdb.so:	mdb.o midl.o
+#	$(CC) $(LDFLAGS) -pthread -shared -Wl,-Bsymbolic -o $@ mdb.o midl.o $(SOLIBS)
+	$(CC) $(LDFLAGS) -pthread -shared -o $@ mdb.o midl.o $(SOLIBS)
+
+mdb_stat: mdb_stat.o liblmdb.a
+mdb_copy: mdb_copy.o liblmdb.a
+mtest:    mtest.o    liblmdb.a
+mtest2:	mtest2.o liblmdb.a
+mtest3:	mtest3.o liblmdb.a
+mtest4:	mtest4.o liblmdb.a
+mtest5:	mtest5.o liblmdb.a
+mtest6:	mtest6.o liblmdb.a
+
+mdb.o: mdb.c lmdb.h midl.h
+	$(CC) $(CFLAGS) -fPIC $(CPPFLAGS) -c mdb.c
+
+midl.o: midl.c midl.h
+	$(CC) $(CFLAGS) -fPIC $(CPPFLAGS) -c midl.c
+
+%:	%.o
+	$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@
+
+%.o:	%.c lmdb.h
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c $<