build: Update decompressor compiler flags
diff --git a/decompressor/GNUmakefile b/decompressor/GNUmakefile
index f5ae6f0e..234f2838 100644
--- a/decompressor/GNUmakefile
+++ b/decompressor/GNUmakefile
@@ -13,7 +13,6 @@ ifeq ($(call MKESCAPE,$(BUILDDIR)),)
endif
override CROSS_CFLAGS += \
- $(WERROR) \
-Os \
-std=gnu11 \
-nostdinc \
@@ -32,6 +31,7 @@ override CROSS_CFLAGS += \
-fno-pic \
-Wshadow \
-Wvla \
+ $(WERROR) \
-MMD \
-I../freestanding-headers \
-I'$(call SHESCAPE,$(BUILDDIR))/tinf' \
