diff --git a/meta-oe/recipes-extended/mozjs/mozjs_52.9.1.bb b/meta-oe/recipes-extended/mozjs/mozjs_52.9.1.bb
index 74dd15bfcb..92d15724fb 100644
--- a/meta-oe/recipes-extended/mozjs/mozjs_52.9.1.bb
+++ b/meta-oe/recipes-extended/mozjs/mozjs_52.9.1.bb
@@ -45,7 +45,7 @@ EXTRA_OECONF = " \
     --host=${BUILD_SYS} \
     --prefix=${prefix} \
     --libdir=${libdir} \
-    --disable-tests \
+    --disable-tests --disable-strip --disable-optimize \
     --with-nspr-libs='-lplds4 -lplc4 -lnspr4' \
     ${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', "--enable-gold", '--disable-gold', d)} \
 "
@@ -53,9 +53,15 @@ EXTRA_OECONF = " \
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'x11', d)}"
 PACKAGECONFIG[x11] = "--x-includes=${STAGING_INCDIR} --x-libraries=${STAGING_LIBDIR},--x-includes=no --x-libraries=no,virtual/libx11"
 
-EXTRA_OEMAKE_task-compile += "OS_LDFLAGS='-Wl,-latomic ${LDFLAGS}'"
+EXTRA_OEMAKE_task-compile += "BUILD_OPT=1 OS_LDFLAGS='-Wl,-latomic ${LDFLAGS}'"
 EXTRA_OEMAKE_task-install += "STATIC_LIBRARY_NAME=js_static"
 
+export HOST_CC = "${BUILD_CC}"
+export HOST_CXX = "${BUILD_CXX}"
+export HOST_CFLAGS = "${BUILD_CFLAGS}"
+export HOST_CPPFLAGS = "${BUILD_CPPFLAGS}"
+export HOST_CXXFLAGS = "${BUILD_CXXFLAGS}"
+
 do_configure() {
     export SHELL="/bin/sh"
     export TMP="${B}"