diff --git a/package/exim/exim.mk b/package/exim/exim.mk
index fb9eecd71b..98b6097957 100644
--- a/package/exim/exim.mk
+++ b/package/exim/exim.mk
@@ -103,6 +103,7 @@ define EXIM_CONFIGURE_TOOLCHAIN
 	$(call exim-config-add,RANLIB,$(TARGET_RANLIB))
 	$(call exim-config-add,HOSTCC,$(HOSTCC))
 	$(call exim-config-add,HOSTCFLAGS,$(HOSTCFLAGS))
+	$(call exim-config-add,EXTRALIBS,$(EXIM_EXTRALIBS))
 	$(EXIM_FIX_IP_OPTIONS_FOR_MUSL)
 endef
 
@@ -126,6 +127,13 @@ ifeq ($(BR2_STATIC_LIBS),y)
 EXIM_STATIC_FLAGS = LFLAGS="-pthread --static"
 endif
 
+ifeq ($(BR2_PACKAGE_LIBEXECINFO),y)
+EXIM_DEPENDENCIES += libexecinfo
+EXIM_EXTRALIBS += -lexecinfo
+else ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),)
+EXIM_CFLAGS = -DNO_EXECINFO
+endif
+
 # We need the host version of macro_predef during the build, before
 # building it we need to prepare the makefile.
 define EXIM_BUILD_CMDS
@@ -136,7 +144,7 @@ define EXIM_BUILD_CMDS
 		CFLAGS="-std=c99 $(HOST_CFLAGS)" \
 		LFLAGS="-fPIC $(HOST_LDFLAGS)"
 	$(TARGET_MAKE_ENV) build=br $(MAKE) -C $(@D) $(EXIM_STATIC_FLAGS) \
-		CFLAGS="-std=c99 $(TARGET_CFLAGS)"
+		CFLAGS="-std=c99 $(TARGET_CFLAGS) $(EXIM_CFLAGS)"
 endef
 
 # Need to replicate the LFLAGS in install, as exim still wants to build