diff --git a/sample_package/Makefile b/sample_package/Makefile
index b1bed7d..4cb5e64 100644
--- a/sample_package/Makefile
+++ b/sample_package/Makefile
@@ -1,6 +1,6 @@
 .PHONY: all clean
 
-CFLAGS_EXTRA ?= -ggdb3 -fopenmp -O0 -std=c99 -Wall -Werror -Wextra
+CFLAGS_EXTRA ?= -ggdb3 -O0 -std=c99 -Wall -Werror -Wextra
 IN_EXT ?= .c
 LIBS :=
 OUT_EXT ?= .out
diff --git a/sample_package/external.mk b/sample_package/external.mk
index 34725a8..95019d5 100644
--- a/sample_package/external.mk
+++ b/sample_package/external.mk
@@ -10,7 +10,7 @@ SAMPLE_PACKAGE_SITE_METHOD = local
 
 define SAMPLE_PACKAGE_BUILD_CMDS
   # D contains the source code of this package.
-  $(MAKE) -C '$(@D)' CC="$(TARGET_CC)" LD="$(TARGET_LD)"
+  $(MAKE) -C '$(@D)' CC=clang CFLAGS=-static
 endef
 
 define SAMPLE_PACKAGE_INSTALL_TARGET_CMDS