Only link with libdl on Linux
Requiring an extra library for dlopen is a Linux non-POSIX-compliance.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/Makefile b/programs/Makefile
index 2a3fd6f..7b9c5dd 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -18,6 +18,12 @@
-lmbedx509$(SHARED_SUFFIX) \
-lmbedcrypto$(SHARED_SUFFIX)
+ifeq ($(shell uname -s),Linux)
+DLOPEN_LDFLAGS ?= -ldl
+else
+DLOPEN_LDFLAGS ?=
+endif
+
include ../3rdparty/Makefile.inc
LOCAL_CFLAGS+=$(THIRDPARTY_INCLUDES)
@@ -328,7 +334,7 @@
# Do not link any test objects (that would bring in a static dependency on
# libmbedcrypto at least). Do not link with libmbed* (that would defeat the
# purpose of testing dynamic loading).
- $(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/dlopen.c $(LDFLAGS) -ldl -o $@
+ $(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/dlopen.c $(LDFLAGS) $(DLOPEN_LDFLAGS) -o $@
endif
test/query_config.o: test/query_config.c test/query_config.h $(DEP)