From 8d30a7dd4517130bf1f6904b0969aaa78e44e16b Mon Sep 17 00:00:00 2001
From: Andreas Sturmlechner <asturm@gentoo.org>
Date: Sun, 8 Dec 2019 15:01:33 +0100
Subject: [PATCH] ECMFindQMLModule.cmake.in: Add ECM_DISABLE_QMLPLUGINDUMP to
 avoid sandbox violations

Back story: https://bugzilla.gnome.org/show_bug.cgi?id=744135
BUG: 387753
---
 modules/ECMFindQMLModule.cmake.in | 35 +++++++++++++++++++------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/modules/ECMFindQMLModule.cmake.in b/modules/ECMFindQMLModule.cmake.in
index 8109ab8..1edc01d 100644
--- a/modules/ECMFindQMLModule.cmake.in
+++ b/modules/ECMFindQMLModule.cmake.in
@@ -26,23 +26,32 @@
 #=============================================================================
 
 include(FindPackageHandleStandardArgs)
-include("${ECM_MODULE_DIR}/ECMQueryQmake.cmake")
 
-query_qmake(qt_binaries_dir QT_INSTALL_BINS)
+option (ECM_DISABLE_QMLPLUGINDUMP "Do not use qmlplugindump which may segfault in some sandboxed environments" OFF)
 
-find_program(QMLPLUGINDUMP_PROGRAM NAMES qmlplugindump HINTS ${qt_binaries_dir})
-if(NOT QMLPLUGINDUMP_PROGRAM)
-    message(WARNING "Could not find qmlplugindump. It is necessary to look up qml module dependencies.")
-endif()
-
-execute_process(COMMAND "${QMLPLUGINDUMP_PROGRAM}" "@MODULE_NAME@" "@VERSION@" ERROR_VARIABLE ERRORS_OUTPUT OUTPUT_VARIABLE DISREGARD_VARIABLE RESULT_VARIABLE ExitCode)
-
-if(ExitCode EQUAL 0)
+if(ECM_DISABLE_QMLPLUGINDUMP)
+    message(NOTICE "@GENMODULE@: qmlplugindump disabled - assuming dependency is available as >= @VERSION@.")
     set(@GENMODULE@_FOUND TRUE)
-    set(@GENMODULE@_VERSION "${PACKAGE_FIND_VERSION}")
+    set(@GENMODULE@_VERSION @VERSION@)
 else()
-    message(STATUS "qmlplugindump failed for @MODULE_NAME@.")
-    set(@GENMODULE@_FOUND FALSE)
+    include("${ECM_MODULE_DIR}/ECMQueryQmake.cmake")
+
+    query_qmake(qt_binaries_dir QT_INSTALL_BINS)
+
+    find_program(QMLPLUGINDUMP_PROGRAM NAMES qmlplugindump HINTS ${qt_binaries_dir})
+    if(NOT QMLPLUGINDUMP_PROGRAM)
+        message(WARNING "Could not find qmlplugindump. It is necessary to look up qml module dependencies.")
+    endif()
+
+    execute_process(COMMAND "${QMLPLUGINDUMP_PROGRAM}" "@MODULE_NAME@" "@VERSION@" ERROR_VARIABLE ERRORS_OUTPUT OUTPUT_VARIABLE DISREGARD_VARIABLE RESULT_VARIABLE ExitCode)
+
+    if(ExitCode EQUAL 0)
+        set(@GENMODULE@_FOUND TRUE)
+        set(@GENMODULE@_VERSION "${PACKAGE_FIND_VERSION}")
+    else()
+        message(STATUS "qmlplugindump failed for @MODULE_NAME@.")
+        set(@GENMODULE@_FOUND FALSE)
+    endif()
 endif()
 
 find_package_handle_standard_args(@GENMODULE@
-- 
2.24.0