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-rw-r--r--packages/htools/zlib/zlib.mk1
1 files changed, 1 insertions, 0 deletions
diff --git a/packages/htools/zlib/zlib.mk b/packages/htools/zlib/zlib.mk
index 79fa28c..b7eaa29 100644
--- a/packages/htools/zlib/zlib.mk
+++ b/packages/htools/zlib/zlib.mk
@@ -38,6 +38,7 @@ endef
define embtk_configure_zlib_host
$(Q)cd $(ZLIB_HOST_BUILD_DIR); \
+ CFLAGS="-fPIC -O2" \
CPPFLAGS="-I$(embtk_htools)/usr/include" \
LDFLAGS="-L$(embtk_htools)/$(LIBDIR) -L$(embtk_htools)/usr/$(LIBDIR)" \
$(ZLIB_HOST_CONFIGURE_ENV) \