fix(rpath): fixed macos RPATH bug'

meson.build

@@ -18,7 +18,7 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 #
 # *********************************************************************** #
-project('libconstants', 'cpp', version: 'v1.1.6', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
+project('libconstants', 'cpp', version: 'v1.1.7', default_options: ['cpp_std=c++23'], meson_version: '>=1.5.0')
 
 # Add default visibility for all C++ targets
 add_project_arguments('-fvisibility=default', language: 'cpp')

src/constants/meson.build

@@ -4,14 +4,18 @@ const_sources = files(
 )
 
 
-# Define the libconst library so it can be linked against by other parts of the build system
+samedir_rpath = host_machine.system() == 'darwin' ? '@loader_path' : '$ORIGIN'
+
 libconst = library('const',
     const_sources,
     include_directories: include_directories('include'),
     cpp_args: ['-fvisibility=default'],
     dependencies: [const_data_dep],
     install : true,
-    install_dir: constants_libdir)
+    install_dir: constants_libdir,
+    install_rpath: samedir_rpath,
+    build_rpath: samedir_rpath
+)
 
 const_dep = declare_dependency(
     include_directories: include_directories('include'),
@@ -23,4 +27,8 @@ const_headers = files(
   'include/fourdst/constants/const.h'
 )
 
+if get_option('build_python')
+    install_data(const_headers, install_dir: constants_header_install_dir)
+else
     install_headers(const_headers, install_dir: constants_header_install_dir)
+endif