backtrace is required. This patch is not upstreamable because there is no way to determine if a Linux build is musl or glibc from qmake. --- qtdeclarative-opensource-src-5.9.6/src/quick/quick.pro.old 2018-05-30 11:29:13.000000000 +0000 +++ qtdeclarative-opensource-src-5.9.6/src/quick/quick.pro 2018-07-10 00:42:03.150000000 +0000 @@ -16,6 +16,8 @@ LIBS_PRIVATE += -lgcov } +LIBS_PRIVATE += -lexecinfo + QMAKE_DOCS = $$PWD/doc/qtquick.qdocconf ANDROID_LIB_DEPENDENCIES = \