[英]Running a custom command in Cmake
I am very new to Cmake and need to generate some files at compile time. 我是Cmake的新手,需要在编译时生成一些文件。 once generated i need to compile and link the files.
一旦生成我需要编译和链接文件。 I ve created the cmake makefile to compile the already generated files like
我创建了cmake makefile来编译已生成的文件,如
cmake_minimum_required(VERSION 2.6)
project(demo)
set(CMAKE_CXX_FLAGS "-DWITH_COOKIES")
add_library(soapC soapC.cpp soapVimBindingProxy.cpp)
add_library(stdsoap2 /home/abdullah/installs/gsoap-shah_edits/gsoap/stdsoap2.cpp)
add_executable(demo test_file.cc test_app.cc)
target_link_libraries(demo soapC stdsoap2 gsoap++)
This successfully compiles the project. 这成功编译了该项目。 However the files
soapC.cpp soapVimBindingProxy.cpp
needs to be generated first. 但是,
soapC.cpp soapVimBindingProxy.cpp
需要生成文件soapC.cpp soapVimBindingProxy.cpp
。 And I want to generate these files at runtime using the gsoap tool. 我想在运行时使用gsoap工具生成这些文件。
following is the command that needs to be run to generate the header file 以下是需要运行以生成头文件的命令
wsdl2h -o outfile.h infile.wsdl
This takes an input wsdl file and creates a corresponding outfile.h. 这将获取输入wsdl文件并创建相应的outfile.h。 Now I tried doing this in cmake like this
现在我尝试在这样的cmake中这样做
cmake_minimum_required(VERSION 2.6)
add_custom_command(
OUTPUT vsphere.h
COMMAND wsdl2h -o vsphere.h vim25/vim.wsdl
)
But something goes wrong here. 但这里出了点问题。 No error pops up but no file is created either.
弹出没有错误,但也没有创建文件。 Am I missing something ?
我错过了什么吗? All help much appreciated.
所有人都非常感谢。 Thanks.
谢谢。
You've just created a command for producing your header file, so CMake knows just where to get vsphere.h
from. 您刚刚创建了一个用于生成头文件的命令,因此CMake知道从哪里获取
vsphere.h
。 I'd recommend using OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/vsphere.h
in the add_custom_command()
call. 我建议在
add_custom_command()
调用中使用OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/vsphere.h
。
Now you need to create a target: 现在您需要创建一个目标:
add_custom_target(vsphere_header ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/vsphere.h)
Finally, make your soapC
target depend on it: 最后,让你的
soapC
目标依赖于它:
add_dependencies(soapC vsphere_header)
Be sure to place add_dependencies()
call after soapC
target definition. 确保在
soapC
目标定义之后放置add_dependencies()
调用。
Thanks arrododger and TobyHijzen for your lighting on this issue. 感谢arrododger和TobyHijzen在这个问题上的照明。
I use add_custom_command with main_dependency feature for solution for this issue. 我使用带有main_dependency功能的add_custom_command来解决此问题。 Following is my CMakeLists.txt for famous calc example of gsoap tutorial.
以下是我的CMakeLists.txt,用于gsoap教程的着名计算示例。
cmake_minimum_required(VERSION 2.8)
# Proejct name
PROJECT(Calculator)
# Make verbose level on/off
SET(CMAKE_VERBOSE_MAKEFILE ON)
# Varialbes used in cmake
SET(TARGET calc_client)
SET(GSOAP_STATIC_LIB gsoap)
SET(CLIENT_SRC calc_client.c)
SET(WSDL2H_EXEC wsdl2h)
SET(WSDL2H_IN http://www.genivia.com/calc.wsdl)
#SET(WSDL2H_IN calc.wsdl)
SET(WSDL2H_OUT calc.h)
SET(WSDL2H_OPT -c -o)
# command for generating stub and xml serializer code
ADD_CUSTOM_COMMAND(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${WSDL2H_OUT}
COMMAND ${WSDL2H_EXEC} -c -ttypemap.dat -o ${WSDL2H_OUT} ${WSDL2H_IN}
COMMENT "=================== Generating ${WSDL2H_OUT} gSOAP Header file ..."
)
SET(SOAPCPP2_EXEC soapcpp2)
SET(STUB soapClient.c soapC.c)
SET(SOAPCPP2_OUT
${STUB}
calc.add.req.xml
calc.add.res.xml
calc.sub.req.xml
calc.sub.res.xml
calc.mul.req.xml
calc.mul.res.xml
calc.div.res.xml
calc.div.req.xml
calc.pow.res.xml
calc.pow.req.xml
calc.nsmap
soapH.c
soapH.h
soapStub.h
soapClientLib.c
)
# command for generating stub and xml serializer code
ADD_CUSTOM_COMMAND(
OUTPUT ${STUB}
COMMAND ${SOAPCPP2_EXEC} -c -C ${WSDL2H_OUT}
MAIN_DEPENDENCY ${WSDL2H_OUT}
COMMENT "=================== Generating ${STUB} outputs ..."
)
# Exutable files and dependents
ADD_EXECUTABLE(${TARGET} ${CLIENT_SRC} ${STUB})
# libraries for taget : for gcc -l option
TARGET_LINK_LIBRARIES(${TARGET} ${GSOAP_STATIC_LIB})
# Compiler options
ADD_DEFINITIONS(-Wall -O2 -s)
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