我正在尝试使用 CMake 交叉编译程序,但失败并显示以下消息:
/bin/sh: 1: Syntax error: ";;" unexpected
该程序可以使用原始Makefile完美编译
这是我的 CMake 文件:
cmake_minimum_required(VERSION 3.9)
project(my_target LANGUAGES CUDA CXX C)
include(CheckLanguage)
check_language(CUDA)
# STD
if (NOT DEFINED CMAKE_CUDA_STANDARD)
set(CMAKE_CUDA_STANDARD 11)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
endif()
find_package(Poco REQUIRED Foundation Util)
# Flags
set (
CMAKE_C_STANDARD 11
)
set(
CMAKE_CXX_STANDARD 11
)
set(
CMAKE_C_FLAGS
${CMAKE_C_FLAGS}
-c -Wall -fopenmp
)
set(
CMAKE_CXX_FLAGS
${CMAKE_CXX_FLAGS}
-c -Wall -fopenmp
)
set(
CMAKE_CUDA_FLAGS
${CMAKE_NVCC_FLAGS}
--ccbin $(CMAKE_CXX_COMPILER) -O2 -gencode -std=c++11 -dc -Werror deprecated-declarations
)
# Compile Objects
file(GLOB_RECURSE src_c src/*.c )
file(GLOB_RECURSE src_cpp src/*.cpp)
file(GLOB_RECURSE src_cu src/*.cu )
file(GLOB_RECURSE src_h src/*.h )
add_library(cobjs STATIC ${src_c} ${src_h} )
add_library(cppobjs STATIC ${src_cpp} ${src_h})
add_library(cuobjs STATIC ${src_cu} ${src_h} )
target_compile_options(cobjs PUBLIC ${CMAKE_C_FLAGS} )
target_compile_options(cppobjs PUBLIC ${CMAKE_CXX_FLAGS})
target_compile_options(cuobjs PUBLIC ${CMAKE_NVCC_FLAGS})
set_target_properties( cuobjs
PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
add_executable(my_target
${cobjs} ${cppobjs} ${cuobjs}
${src_h}
)
# Include Dirs
target_include_directories(cobjs PUBLIC
include src
)
target_include_directories(cppobjs PUBLIC
include src
)
target_include_directories(cuobjs PUBLIC
include src
)
target_include_directories(my_target PUBLIC
include src
)
link_directories(
${POCO_HOME}
${METIS_HOME}
)
target_link_libraries(my_target PUBLIC
cobjs
cppobjs
cuobjs
-lPocoFoundation
-lPocoUtil
-lpthread
-lgomp
-lmetis
)
以及工作 Makefile:
#===============================================================================
CUDA_PATH := /usr/local/cuda
METIS_PATH := ${METIS_HOME}
POCO_PATH := ${POCO_HOME}
# D-debug R-release
COMPILEMD := R
EXE := coupled.exe
CC := gcc
CXX := g++
#===============================================================================
DIR_BIN := bin
DIR_SRC := src
CCFLAGS := -Iinclude -I$(DIR_SRC) -std=c11 -c -Wall -fopenmp
CXXFLAGS := -I$(CUDA_PATH)/include -I$(METIS_PATH)/include -I$(POCO_PATH)/include -Iinclude -I$(DIR_SRC) -std=c++11 -c -Wall -fopenmp
NVCCFLAGS := -I$(POCO_PATH)/include -I$(DIR_SRC) -std=c++11 -dc -Werror deprecated-declarations
LDFLAGS := -L$(METIS_PATH)/lib -lmetis -L$(POCO_PATH)/lib -lPocoUtil -lPocoFoundation -Llib -ltecio -lpthread -lgomp
BASENM := $(basename $(EXE))
SUFFIX := $(suffix $(EXE))
SRC_C := $(shell find $(DIR_SRC) -name *.c)
SRC_CPP := $(shell find $(DIR_SRC) -name *.cpp)
SRC_CU := $(shell find $(DIR_SRC) -name *.cu)
OBJ_C := $(SRC_C:%.c=%.o)
OBJ_CPP := $(SRC_CPP:%.cpp=%.o)
OBJ_CU := $(SRC_CU:%.cu=%.o)
ifeq ($(COMPILEMD), D)
CCFLAGS += -D_DEBUG -g
CXXFLAGS += -D_DEBUG -g
NVCCFLAGS += -D_DEBUG -g -G
else ifeq ($(COMPILEMD), R)
CCFLAGS += -DNDEBUG -O2
CXXFLAGS += -DNDEBUG -O2
NVCCFLAGS += -DNDEBUG -O2
else
$(error error COMPILEMD($(COMPILEMD)))
endif
CCFLAGS += -DKS_FP_DOUBLE -march=native
CXXFLAGS += -DKS_FP_DOUBLE -march=native
NVCCFLAGS += -DKS_FP_DOUBLE
BASENM := $(BASENM)DP$(COMPILEMD)
ifeq ($(SRC_CU), )
LD := $(CXX)
else
NVCC := $(CUDA_PATH)/bin/nvcc -ccbin $(CXX)
DEVICE_SM := 50 52 60 61 #70 75
$(foreach SM,$(DEVICE_SM),$(eval NVCCFLAGS += -gencode arch=compute_$(SM),code=sm_$(SM)))
$(foreach SM,$(DEVICE_SM),$(eval LDFLAGS += -gencode arch=compute_$(SM),code=sm_$(SM)))
LD := $(NVCC)
endif
OBJ := $(OBJ_C) $(OBJ_CPP) $(OBJ_CU)
EXE := $(DIR_BIN)/$(BASENM)$(SUFFIX)
#===============================================================================
all: $(EXE)
.PHONY: all clean cleanall
$(EXE): $(OBJ)
@mkdir -p $(DIR_BIN)
$(LD) $^ $(LDFLAGS) -o $@
$(OBJ_C): %.o: %.c
$(CC) $< $(CCFLAGS) -o $@
$(OBJ_CPP): %.o: %.cpp
$(CXX) $< $(CXXFLAGS) -o $@
$(OBJ_CU): %.o: %.cu
$(NVCC) $< $(NVCCFLAGS) -o $@
clean:
-rm -rf $(OBJ) $(EXE)
cleanall:
-rm -rf $(OBJ) $(DIR_BIN)/*log $(DIR_BIN)/*.exe $(DIR_BIN)/*.dat
很抱歉,我无法提供该项目的源代码。
我对 CMake 非常陌生,任何帮助将不胜感激!
编辑
我尝试了@squareskittles给出的解决方案,这似乎解决了/bin/sh: 1: Syntax error: ";;" unexpected
问题。但我收到了一个新错误,其中显示:
c++: fatal error: no input files
然而在相应的build.make
文件错误行写道:
/usr/bin/c++ $(CXX_DEFINES) $(CXX_INCLUDES) $(CXX_FLAGS) -o <path-to-my-cpp>/my.cpp.o -c <path-to-my-cpp>/my.cpp
编辑2
感谢@squareskittles的回答,我终于明白了CMake是如何工作的。 CMakeLists.txt 文件中实际上有不止一处不正确的部分:
CMake 自动添加
-c
标记到 C 和 C++ 编译器,因此无需手动添加。最好使用
add_compile_options()
添加编译标志而不是set(CMAKE_<LANG>_FLAGS ...)
.link_directories
应该总是在add_library()
之前和add_executable()
。现代方法是使用find_library()
,参见here .我最终放弃了像在 Makefile 中那样手动编写多阶段编译,而是将所有源文件添加到
add_executable()
中。 。 CMake 似乎完美地处理了不同的情况。
我的最终工作版本:
cmake_minimum_required(VERSION 3.9)
project(my_target LANGUAGES CUDA CXX C)
# STD
if (NOT DEFINED CMAKE_CUDA_STANDARD)
set(CMAKE_CUDA_STANDARD 11)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
endif()
find_package(Poco REQUIRED Foundation Util)
# Flags
set (
CMAKE_C_STANDARD 11
)
set(
CMAKE_CXX_STANDARD 11
)
# Compile Objects
file(GLOB_RECURSE src_c src/*.c )
file(GLOB_RECURSE src_cpp src/*.cpp)
file(GLOB_RECURSE src_cu src/*.cu )
file(GLOB_RECURSE src_h src/*.h )
# message(STATUS "src_c = ${src_c}" )
# message(STATUS "src_cpp = ${src_cpp}")
# message(STATUS "src_cu = ${src_cu}" )
# message(STATUS "src_h = ${src_h}" )
add_definitions(-DKS_FP_DOUBLE)
link_directories(
${POCO_HOME}
${METIS_HOME}
)
add_executable(my_target
${src_c}
${src_cpp}
${src_cu}
${src_h}
)
# Include Dirs
target_include_directories(my_target PUBLIC
include src
)
set_target_properties(my_target
PROPERTIES CUDA_SEPARABLE_COMPILATION ON
)
target_link_libraries(my_target PUBLIC
# cobjs
# cppobjs
# cuobjs
-lPocoFoundation
-lPocoUtil
-lpthread
-lgomp
-lmetis
)
最佳答案
当您设置 CMake 编译器标志变量(或任何其他 CMake 变量)时,无需插入分号 ;
来分隔参数/标志。 CMake 将识别 set()
中的换行符和空格。为您指挥并处理此事。来自文档:
Multiple arguments will be joined as a semicolon-separated list to form the actual variable value to be set.
试试这个:
set(
CMAKE_C_FLAGS
${CMAKE_C_FLAGS}
-c -Wall -fopenmp
)
set(
CMAKE_CXX_FLAGS
${CMAKE_CXX_FLAGS}
-c -Wall -fopenmp
)
set(
CMAKE_CUDA_FLAGS
${CMAKE_NVCC_FLAGS}
--ccbin $(CMAKE_CXX_COMPILER) -O2 -gencode -std=c++11 -dc -Werror deprecated-declarations
)
您发布的 CMake 文件还有一个问题。 add_executable()
命令仅将源文件作为参数。您不能使用先前定义的目标作为参数。尝试修改对 add_executable()
的调用;您已经通过调用 add_library()
将 C、C++ 和 Cuda 源代码编译为静态库,因此可能只有一个 main.cpp
(定义对main()
),您可以在此调用中包含:
add_executable(my_target
main.cpp
${src_h}
)
关于cmake - 交叉编译c/c++/cuda程序时尝试使用CMake,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58771673/