Fix libfan_la_CXXFLAGS
The libfan_la_CXXFLAGS was incorrectly defined as empty by a typo, fix
it.
Then specify gcc-ar gcc-ranlib for link time optimization, otherwise the
static library will get link error.
Tested: Verify the build is OK in CI, local build, and SDK build.
Resolves openbmc/phosphor-fan-presence#11
Change-Id: I17c83b9927a796f8928a71688c1640d1a602a108
Signed-off-by: Lei YU <mine260309@gmail.com>
diff --git a/Makefile.am b/Makefile.am
index 87c2fb8..3052713 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,7 +4,7 @@
libfan_la_LDFLAGS = -static
libfan_la_LIBADD = \
$(SDBUSPLUS_LIBS)
-libfan_la_CXXFLAGS =
+libfan_la_CXXFLAGS = \
$(SDBUSPLUS_CFLAGS) -flto
libfan_la_SOURCES = \
utility.cpp \