Fix binfmt.d interpreter path

Author: TheAssassin

ci/build.sh

@@ -45,6 +45,8 @@ cmake_args=(
     "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
     "-DBUILD_TESTING=OFF"
     "-DCMAKE_BUILD_TYPE=RelWithDebInfo"
+    # TODO: we don't necessarily want to hardcode this here
+    "-DBINFMT_INTERPRETER_PATH_PREPEND_LD_P_NATIVE_PACKAGES_PREFIX=/opt/appimagelauncher.AppDir/"
 )
 
 if [[ "${BUILD_LITE:-}" == "" ]]; then

cmake/install.cmake

@@ -43,11 +43,18 @@ if(ENABLE_UPDATE_HELPER)
     )
 endif()
 
+option(BINFMT_INTERPRETER_PATH_PREPEND_LD_P_NATIVE_PACKAGES_PREFIX "")
+
 if(NOT BUILD_LITE)
     # unfortunately, due to a cyclic dependency, we need to hardcode parts of this variable, which is included in the
     # install scripts and the binfmt.d config
     set(BINFMT_INTERPRETER_PATH ${CMAKE_INSTALL_PREFIX}/${_private_libdir}/binfmt-interpreter)
 
+    if(BINFMT_INTERPRETER_PATH_PREPEND_LD_P_NATIVE_PACKAGES_PREFIX)
+        message(STATUS "Prepending prefix ${BINFMT_INTERPRETER_PATH_PREPEND_LD_P_NATIVE_PACKAGES_PREFIX} to binfmt interpreter path")
+        set(BINFMT_INTERPRETER_PATH "${BINFMT_INTERPRETER_PATH_PREPEND_LD_P_NATIVE_PACKAGES_PREFIX}${BINFMT_INTERPRETER_PATH}")
+    endif()
+
     # according to https://www.kernel.org/doc/html/latest/admin-guide/binfmt-misc.html, we must make sure the
     # interpreter string does not exceed 127 characters
     set(BINFMT_INTERPRETER_PATH_LENGTH_MAX 127)