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-rw-r--r--GNUmakefile10
1 files changed, 9 insertions, 1 deletions
diff --git a/GNUmakefile b/GNUmakefile
index dc518b3..66f04cb 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -59,6 +59,14 @@ else ifeq (${IO_BUS},fmc)
IO_OBJ = hal_io_fmc.o
endif
+# If we're building for STM32, position-independent code leads to some
+# hard-to-debug function pointer errors. OTOH, if we're building for Linux
+# (even on the Novena), we want to make it possible to build a shared library.
+
+ifneq (${IO_BUS},fmc)
+ CFLAGS += -fPIC
+endif
+
# RPC_CLIENT = local | remote | mixed
# local: Build for Novena or dev-bridge, access FPGA cores directly.
# remote: Build for other host, communicate with RPC server.
@@ -148,7 +156,7 @@ else ifeq (${KS},flash)
endif
TFMDIR := $(abspath ../thirdparty/libtfm)
-CFLAGS += -g3 -Wall -fPIC -std=c99 -I${TFMDIR} -DHAL_ECDSA_DEBUG_ONLY_STATIC_TEST_VECTOR_RANDOM=1
+CFLAGS += -g3 -Wall -std=c99 -I${TFMDIR} -DHAL_ECDSA_DEBUG_ONLY_STATIC_TEST_VECTOR_RANDOM=1
LDFLAGS := -g3 -L${TFMDIR} -ltfm
CFLAGS += -DHAL_STATIC_HASH_STATE_BLOCKS=${STATIC_HASH_STATE_BLOCKS}