From 29341abf9bd8d13eb2f464c2fa237b13c43d8bce Mon Sep 17 00:00:00 2001
From: Gabriel Gouvine <gabriel.gouvine_git@m4x.org>
Date: Mon, 11 Sep 2023 12:10:27 +0200
Subject: [PATCH 1/3] Attempt at a Meson build

---
 meson.build | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 meson.build

diff --git a/meson.build b/meson.build
new file mode 100644
index 00000000..bccb2518
--- /dev/null
+++ b/meson.build
@@ -0,0 +1,44 @@
+
+project('coloquinte', 'cpp',
+  version : '0.3.1',
+  license : 'MIT',
+  default_options: [
+     'cpp_std=c++17',
+  ],
+)
+
+coloquinte_includes = include_directories('src')
+boost_dep = dependency('boost', required: true)
+lemon_dep = dependency('lemon', method : 'cmake')
+eigen_dep = dependency('eigen3', required: true)
+thread_dep = dependency('threads', required: true)
+
+sources = [
+  'src/coloquinte.cpp',
+  'src/parameters.cpp',
+  'src/place_global/net_model.cpp',
+  'src/place_global/density_legalizer.cpp',
+  'src/place_global/density_grid.cpp',
+  'src/place_global/place_global.cpp',
+  'src/place_detailed/legalizer.cpp',
+  'src/place_detailed/abacus_legalizer.cpp',
+  'src/place_detailed/tetris_legalizer.cpp',
+  'src/place_detailed/row_legalizer.cpp',
+  'src/place_detailed/place_detailed.cpp',
+  'src/place_detailed/detailed_placement.cpp',
+  'src/place_detailed/incr_net_model.cpp',
+  'src/place_detailed/row_neighbourhood.cpp',
+  'src/place_global/transportation.cpp',
+  'src/place_global/transportation_1d.cpp',
+]
+
+libcoloquinte = shared_library('coloquinte',
+                               sources,
+                               include_directories : coloquinte_includes,
+                               dependencies : [boost_dep, lemon_dep, eigen_dep, thread_dep],
+                               install : true)
+
+install_headers('src/coloquinte.hpp')
+
+coloquinte_dep = declare_dependency(link_with : libcoloquinte, include_directories: coloquinte_includes)
+

From b09555eee1a65782157afb5fb1250496c9682f9d Mon Sep 17 00:00:00 2001
From: Robert Taylor <rob.taylor@chipflow.io>
Date: Wed, 20 Sep 2023 17:50:13 +0200
Subject: [PATCH 2/3] Lemon as meson subproject

---
 .gitmodules             | 3 +++
 meson.build             | 7 ++++++-
 subprojects/lemon-1.3.1 | 1 +
 3 files changed, 10 insertions(+), 1 deletion(-)
 create mode 160000 subprojects/lemon-1.3.1

diff --git a/.gitmodules b/.gitmodules
index 812e14ec..a7eeee54 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "thirdparty/pybind11/pybind11"]
 	path = thirdparty/pybind11/pybind11
 	url = https://github.com/pybind/pybind11.git
+[submodule "subprojects/lemon-1.3.1"]
+	path = subprojects/lemon-1.3.1
+	url = https://github.com/Coloquinte/lemon
diff --git a/meson.build b/meson.build
index bccb2518..da1d331f 100644
--- a/meson.build
+++ b/meson.build
@@ -9,10 +9,15 @@ project('coloquinte', 'cpp',
 
 coloquinte_includes = include_directories('src')
 boost_dep = dependency('boost', required: true)
-lemon_dep = dependency('lemon', method : 'cmake')
 eigen_dep = dependency('eigen3', required: true)
 thread_dep = dependency('threads', required: true)
 
+cmake =import('cmake')
+cmake_opts = cmake.subproject_options()
+cmake_opts.add_cmake_defines({'CMAKE_POSITION_INDEPENDENT_CODE': true})
+lemon = cmake.subproject('lemon-1.3.1', options: cmake_opts)
+lemon_dep = lemon.dependency('lemon')
+
 sources = [
   'src/coloquinte.cpp',
   'src/parameters.cpp',
diff --git a/subprojects/lemon-1.3.1 b/subprojects/lemon-1.3.1
new file mode 160000
index 00000000..50252652
--- /dev/null
+++ b/subprojects/lemon-1.3.1
@@ -0,0 +1 @@
+Subproject commit 50252652bcbcd10932b2bb4d6dab3b62bf54a400

From afa06f4446a5e52c732b5b77ea0dbb0549e7899d Mon Sep 17 00:00:00 2001
From: Rob Taylor <rob.taylor@chipflow.io>
Date: Wed, 20 Sep 2023 18:05:21 +0100
Subject: [PATCH 3/3] Make lemon a submodule, and don't install it

---
 .gitmodules                        | 4 ++--
 meson.build                        | 3 ++-
 subprojects/{lemon-1.3.1 => lemon} | 0
 3 files changed, 4 insertions(+), 3 deletions(-)
 rename subprojects/{lemon-1.3.1 => lemon} (100%)

diff --git a/.gitmodules b/.gitmodules
index a7eeee54..7a887ecb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,6 @@
 [submodule "thirdparty/pybind11/pybind11"]
 	path = thirdparty/pybind11/pybind11
 	url = https://github.com/pybind/pybind11.git
-[submodule "subprojects/lemon-1.3.1"]
-	path = subprojects/lemon-1.3.1
+[submodule "subprojects/lemon"]
+	path = subprojects/lemon
 	url = https://github.com/Coloquinte/lemon
diff --git a/meson.build b/meson.build
index da1d331f..818bd505 100644
--- a/meson.build
+++ b/meson.build
@@ -15,7 +15,8 @@ thread_dep = dependency('threads', required: true)
 cmake =import('cmake')
 cmake_opts = cmake.subproject_options()
 cmake_opts.add_cmake_defines({'CMAKE_POSITION_INDEPENDENT_CODE': true})
-lemon = cmake.subproject('lemon-1.3.1', options: cmake_opts)
+cmake_opts.set_install(false)
+lemon = cmake.subproject('lemon', options: cmake_opts)
 lemon_dep = lemon.dependency('lemon')
 
 sources = [
diff --git a/subprojects/lemon-1.3.1 b/subprojects/lemon
similarity index 100%
rename from subprojects/lemon-1.3.1
rename to subprojects/lemon