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+# file : sqlite3/buildfile
+# copyright : not copyrighted - public domain
+
+lib{sqlite3}: {h c}{sqlite3} h{sqlite3ext}
+
+# The set of features we enable by default is inspired by Debian, Fedora, and
+# the official documentation.
+#
+# Note that we "prefix" them to what might have been specified by the user so
+# that it is possible to override the defaults by specifying them as =0 (it's
+# also the reason we use cc.* instead of c.*, the former comes first).
+#
+# PREUPDATE_HOOK is required by SESSION
+#
+# -DSQLITE_ENABLE_SESSION=1 removed due to bug in 3.14.1.
+#
+cc.poptions =+ \
+-DSQLITE_THREADSAFE=1 \
+-DSQLITE_ENABLE_FTS4=1 \
+-DSQLITE_ENABLE_FTS5=1 \
+-DSQLITE_ENABLE_RTREE=1 \
+-DSQLITE_ENABLE_JSON1=1 \
+-DSQLITE_SECURE_DELETE=1 \
+-DSQLITE_ENABLE_DBSTAT_VTAB=1 \
+-DSQLITE_ENABLE_UNLOCK_NOTIFY=1 \
+-DSQLITE_ENABLE_LOAD_EXTENSION=1 \
+-DSQLITE_ENABLE_PREUPDATE_HOOK=1 \
+-DSQLITE_ENABLE_COLUMN_METADATA=1 \
+-DSQLITE_ENABLE_FTS3_PARENTHESIS=1
+
+if ($c.target.class != "windows")
+{
+ cc.poptions =+ -DHAVE_USLEEP=1
+
+ # SQLITE_THREADSAFE requres -lpthread
+ # SQLITE_ENABLE_LOAD_EXTENSION requires -ldl
+ # SQLITE_ENABLE_FTS5 requires -lm (calls log(1))
+ #
+ # You may be wondering why we didn't import them instead. While it would be
+ # almost equivalent, there is a subtle difference: if we import them, then
+ # build2 will start selecting static/shared libraries and we probably don't
+ # want that here. These libraries are in a sense an extension of -lc and we
+ # want them to be linked in the same way as -lc (e.g., the user will have to
+ # specify -static to force static linking and so on).
+ #
+ # We also assume these are implementation dependencies (so there is no
+ # c.export.libs listing them).
+ #
+ c.libs += -lpthread -ldl -lm
+}
+
+# Both Debian and Fedora add this so gotta be important.
+#
+if ($c.id != "msvc")
+ c.coptions += -fno-strict-aliasing
+
+# It would have been cleaner to handle this in a header but that will require
+# modifying sqlite3.h. Note that this is also sub-optimal if we are not using
+# an export stub (no dllimport).
+#
+lib{sqlite3}: cc.export.poptions = -I$src_base
+
+if ($c.target.class == "windows")
+{
+ objs{*}: c.poptions += '-DSQLITE_API=__declspec(dllexport)'
+ libs{sqlite3}: cc.export.poptions += '-DSQLITE_API=__declspec(dllimport)'
+}