liblwgeom: new formula to build just liblwgeom from postgis, without requiring postgresql or gdal

Closes #24280.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/Library/Formula/liblwgeom.rb b/Library/Formula/liblwgeom.rb
new file mode 100644
index 000000000..45a38d8ae
--- /dev/null
+++ b/Library/Formula/liblwgeom.rb
@@ -0,0 +1,63 @@
+require 'formula'
+
+class Liblwgeom < Formula
+  homepage 'http://postgis.net'
+  url 'http://download.osgeo.org/postgis/source/postgis-2.1.1.tar.gz'
+  sha1 'eaff009fb22b8824f89e5aa581e8b900c5d8f65b'
+
+  head 'http://svn.osgeo.org/postgis/trunk/'
+
+  keg_only "Conflicts with PostGIS, which also installs liblwgeom.dylib"
+
+  depends_on :autoconf => :build
+  depends_on :automake => :build
+  depends_on :libtool => :build
+  depends_on 'gpp' => :build
+
+  depends_on 'postgresql' => :build if build.head? # don't maintain patches for HEAD
+  depends_on 'proj'
+  depends_on 'geos'
+  depends_on 'json-c'
+
+  def patches
+    if build.stable?
+      # Strip all the PostgreSQL functions from PostGIS configure.ac, to allow
+      # building liblwgeom.dylib without needing PostgreSQL
+      # NOTE: this will need to be maintained per postgis version
+      "https://gist.github.com/dakcarto/7458788/raw"
+    end
+  end
+
+  def install
+    # See postgis.rb for comments about these settings
+    ENV.deparallelize
+
+    args = [
+      "--disable-dependency-tracking",
+      "--disable-nls",
+
+      "--with-projdir=#{HOMEBREW_PREFIX}",
+      "--with-jsondir=#{Formula.factory('json-c').opt_prefix}",
+
+      # Disable extraneous support
+      "--without-libiconv-prefix",
+      "--without-libintl-prefix",
+      "--without-raster", # this ensures gdal is not required
+      "--without-topology"
+    ]
+
+    args << "--with-pgconfig=#{Formula.factory('postgresql').opt_prefix.realpath}/bin/pg_config" if build.head?
+
+    system './autogen.sh'
+    system './configure', *args
+
+    mkdir 'stage'
+    cd 'liblwgeom' do
+      system 'make', 'install', "DESTDIR=#{buildpath}/stage"
+    end
+
+    # NOTE: lib.install Dir['stage/**/lib/*'] fails (symlink is not resolved)
+    prefix.install Dir["stage/**/lib"]
+    include.install Dir["stage/**/include/*"]
+  end
+end