+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-a.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-a.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-b.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-b.c
+CFLAGS missing (-fstack-protector --param=ssp-buffer-size=4 -Wformat -Wformat-security -Werror=format-security -fPIE): x86_64-linux-gnu-gcc -g -O2 -c test-c.c
+CPPFLAGS missing (-D_FORTIFY_SOURCE=2): x86_64-linux-gnu-gcc -g -O2 -c test-c.c
+LDFLAGS missing (-Wl,-z,relro -fPIE -pie -Wl,-z,now): x86_64-linux-gnu-gcc -o test test-a.o test-b.o test-c.o -ltest