include(FetchContent) set(openfst_PREFIX_DIR ${fc_patch}/openfst) set(openfst_SOURCE_DIR ${fc_patch}/openfst-src) set(openfst_BINARY_DIR ${fc_patch}/openfst-build) ExternalProject_Add(openfst URL https://github.com/mjansche/openfst/archive/refs/tags/1.7.2.zip URL_HASH SHA256=ffc56931025579a8af3515741c0f3b0fc3a854c023421472c07ca0c6389c75e6 PREFIX ${openfst_PREFIX_DIR} SOURCE_DIR ${openfst_SOURCE_DIR} BINARY_DIR ${openfst_BINARY_DIR} CONFIGURE_COMMAND ${openfst_SOURCE_DIR}/configure --prefix=${openfst_PREFIX_DIR} "CPPFLAGS=-I${gflags_BINARY_DIR}/include -I${glog_SOURCE_DIR}/src -I${glog_BINARY_DIR}" "LDFLAGS=-L${gflags_BINARY_DIR} -L${glog_BINARY_DIR}" "LIBS=-lgflags_nothreads -lglog -lpthread" COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/patch/openfst ${openfst_SOURCE_DIR} BUILD_COMMAND make -j 4 ) link_directories(${openfst_PREFIX_DIR}/lib) include_directories(${openfst_PREFIX_DIR}/include)