From 5c0e8cbd49db69357dc8812fd177bda038b41a0a Mon Sep 17 00:00:00 2001
From: Pauli Virtanen <pauli.t.virtanen@jyu.fi>
Date: Mon, 19 Jun 2023 15:00:34 +0300
Subject: [PATCH] meson: add fallback options for eigen/cppad
---
meson.build | 26 ++++++++++++++++++++++++--
meson_options.txt | 6 ++++++
2 files changed, 30 insertions(+), 2 deletions(-)
create mode 100644 meson_options.txt
diff --git a/meson.build b/meson.build
index 5c43a98..ddd2aef 100644
--- a/meson.build
+++ b/meson.build
@@ -3,15 +3,37 @@ project('usadelndsoc', ['cpp', 'fortran'],
meson_version: '>= 0.55.0',
default_options : ['cpp_std=c++17', 'build.cpp_std=c++17'])
+cpp = meson.get_compiler('cpp')
+
cppad_dep = dependency('cppad')
eigen3_dep = dependency('eigen3')
+if not cppad_dep.found()
+ cppad_dep = cpp.find_library('libcppad_lib',
+ dirs : [get_option('cppad_lib')],
+ has_headers : ['cppad/cppad.h'],
+ header_include_directories : [get_option('cppad_inc')])
+ if not cppad_dep.found()
+ cppad_dep = cpp.find_library('cppad_lib',
+ dirs : [get_option('cppad_lib')],
+ has_headers : ['cppad/cppad.h'],
+ header_include_directories : [get_option('cppad_inc')],
+ required : true)
+ endif
+endif
+
+if not eigen3_dep.found()
+ if cpp.has_header('Eigen/Core', include_directories : [get_option('eigen_lib')])
+ eigen3_dep = declare_dependency(include_directories : [get_option('eigen_lib')])
+ else
+ error('Eigen/Core header not found')
+ endif
+endif
+
py_mod = import('python')
py3 = py_mod.find_installation('python3')
py3_dep = py3.dependency()
-cpp = meson.get_compiler('cpp')
-
incdir_numpy = run_command(py3,
[
'-c',
diff --git a/meson_options.txt b/meson_options.txt
new file mode 100644
index 0000000..7352112
--- /dev/null
+++ b/meson_options.txt
@@ -0,0 +1,6 @@
+option('cppad_inc',
+ type: 'string')
+option('cppad_lib',
+ type: 'string')
+option('eigen_inc',
+ type: 'string')
--
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