Use dynamic linking instead of hardcoded rpath. 
lib/init/grass.py: Use LD_RUN_PATH instead of DYLD_LIBRARY_PATH to pass lib path to ctypesgen

--- configure.orig	2024-07-27 15:32:01
+++ configure	2024-07-29 10:02:38
@@ -5240,10 +5240,10 @@
         *-apple-darwin*)
             SHLIB_CFLAGS="-fno-common"
             SHLIB_SUFFIX=".dylib"
-            SHLIB_LD="${CC} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name @rpath/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
-            SHLIB_LDX="${CXX} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name @rpath/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
+            SHLIB_LD="${CC} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name \${INST_DIR}/lib/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
+            SHLIB_LDX="${CXX} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name \${INST_DIR}/lib/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
             LDFLAGS="-Wl,-rpath,${INSTDIR}/lib,-rpath,\${GISBASE}/lib"
-            LD_LIBRARY_PATH_VAR="LD_RUN_PATH"
+            LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
             ;;
 	*-sun-solaris*)
 	    # Note: If _REENTRANT isn't defined, then Solaris
--- aclocal.m4.orig	2023-06-24 12:01:41.000000000 +0200
+++ aclocal.m4	2023-06-24 18:06:08.000000000 +0200
@@ -512,10 +512,10 @@
         *-apple-darwin*)
             SHLIB_CFLAGS="-fno-common"
             SHLIB_SUFFIX=".dylib"
-            SHLIB_LD="${CC} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name @rpath/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
-            SHLIB_LDX="${CXX} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name @rpath/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
+            SHLIB_LD="${CC} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name \${INST_DIR}/lib/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
+            SHLIB_LDX="${CXX} -dynamiclib -compatibility_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -current_version \${GRASS_VERSION_MAJOR}.\${GRASS_VERSION_MINOR} -install_name \${INST_DIR}/lib/lib\${LIB_NAME}\${SHLIB_SUFFIX}"
             LDFLAGS="-Wl,-rpath,${INSTDIR}/lib,-rpath,\${GISBASE}/lib"
-            LD_LIBRARY_PATH_VAR="LD_RUN_PATH"
+            LD_LIBRARY_PATH_VAR="DYLD_LIBRARY_PATH"
             ;;
 	*-sun-solaris*)
 	    # Note: If _REENTRANT isn't defined, then Solaris
--- lib/init/grass.py.orig	2024-07-27 15:32:01
+++ lib/init/grass.py	2024-07-29 10:01:46
@@ -97,7 +97,7 @@
 GRASS_VERSION = "@GRASS_VERSION_NUMBER@"
 GRASS_VERSION_MAJOR = "@GRASS_VERSION_MAJOR@"
 GRASS_VERSION_MINOR = "@GRASS_VERSION_MINOR@"
-LD_LIBRARY_PATH_VAR = "@LD_LIBRARY_PATH_VAR@"
+LD_LIBRARY_PATH_VAR = "LD_RUN_PATH"
 CONFIG_PROJSHARE = os.environ.get("GRASS_PROJSHARE", "@CONFIG_PROJSHARE@")
 
 # Get the system name