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require 'formula'
class SqliteFunctions < Formula
url 'http://www.sqlite.org/contrib/download/extension-functions.c?get=25', :using => :nounzip
md5 '3a32bfeace0d718505af571861724a43'
version '2010-01-06'
end
class SqliteDocs < Formula
url 'http://www.sqlite.org/sqlite-doc-3071300.zip'
sha1 '839f471d03de777b050bf585ab6175a27d96c360'
version '3.7.13'
end
class Sqlite < Formula
homepage 'http://sqlite.org/'
url 'http://sqlite.org/sqlite-autoconf-3071300.tar.gz'
sha1 'd3833b6ad68db8505d1044f761dd962f415cd302'
version '3.7.13'
depends_on 'readline' => :optional
option :universal
option 'with-docs', 'Install HTML documentation'
option 'without-rtree' 'Disable the R*Tree index module'
option 'with-fts', 'Enable the FTS module'
option 'with-functions', 'Enable more math and string functions for SQL queries'
def install
# O2 and O3 leads to corrupt/invalid rtree indexes
# http://groups.google.com/group/spatialite-users/browse_thread/thread/8e1cfa79f2d02a00#
ENV.Os
ENV.append 'CPPFLAGS', "-DSQLITE_ENABLE_RTREE" unless build.include? "without-rtree"
ENV.append 'CPPFLAGS', "-DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS" if build.include? "with-fts"
# enable these options by default
ENV.append 'CPPFLAGS', "-DSQLITE_ENABLE_COLUMN_METADATA"
ENV.append 'CPPFLAGS', "-DSQLITE_ENABLE_STAT3"
ENV.universal_binary if build.universal?
system "./configure", "--prefix=#{prefix}", "--disable-dependency-tracking", "--enable-dynamic-extensions"
system "make install"
if build.include? "with-functions"
SqliteFunctions.new.brew { mv 'extension-functions.c?get=25', buildpath/'extension-functions.c' }
system ENV.cc, "-fno-common",
"-dynamiclib",
"extension-functions.c",
"-o", "libsqlitefunctions.dylib",
*ENV.cflags.split
lib.install "libsqlitefunctions.dylib"
end
SqliteDocs.new.brew { doc.install Dir['*'] } if build.include? "with-docs"
end
def caveats
if build.include? 'with-functions' then <<-EOS.undent
Usage instructions for applications calling the sqlite3 API functions:
In your application, call sqlite3_enable_load_extension(db,1) to
allow loading external libraries. Then load the library libsqlitefunctions
using sqlite3_load_extension; the third argument should be 0.
See http://www.sqlite.org/cvstrac/wiki?p=LoadableExtensions.
Select statements may now use these functions, as in
SELECT cos(radians(inclination)) FROM satsum WHERE satnum = 25544;
Usage instructions for the sqlite3 program:
If the program is built so that loading extensions is permitted,
the following will work:
sqlite> SELECT load_extension('#{lib}/libsqlitefunctions.dylib');
sqlite> select cos(radians(45));
0.707106781186548
EOS
end
end
end
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