disable lto for travis in pybind

Author: naxingyu

src/pybind/Makefile

@@ -26,8 +26,12 @@ LIBFILE_EXTENSION := $(PYBIND_EXTENSION)
 
 # pybind11 is heavily templated and generates code that is bloated before optimization.
 # -flto is link time optimization which apparently is important.
-CXXFLAGS += -O3 -flto -I.
-LDFLAGS += -flto
+ifndef CI_TARGETS
+  LTOFLAG = -flto
+endif
+
+CXXFLAGS += -O3 $(LTOFLAG) -I.
+LDFLAGS += $(LTOFLAG)
 
 ifeq ($(shell uname),Darwin)
   LDFLAGS += -undefined dynamic_lookup

tools/extras/travis_script.sh

@@ -68,7 +68,7 @@ CCC=$(mtoken CXX "$CXX")
 echo "Building tools..." [Time: $(date)]
 runvx cd tools
 runvx make -j$MAXPAR openfst "$CCC" CXXFLAGS="$CF" \
-      OPENFST_CONFIGURE="--disable-static --enable-shared --disable-bin --disable-dependency-tracking"
+      OPENFST_CONFIGURE="--disable-static --enable-shared --disable-dependency-tracking"
 runvx make -j$MAXPAR cub "$CCC" CXXFLAGS="$CF"
 cd ..