在cmake中生成asm文件后调用shell命令 [英] Call shell command after asm file generation in cmake

问题描述

在android mk文件中，可以使用LOCAL_FILTER_ASM生成程序集文件后立即调用shell命令.

In android mk files it is possible to call a shell command right after generating assembly files with LOCAL_FILTER_ASM.

我想知道在cmake中是否有任何类似的解决方法?

I was wondering is there any workaround to have something similar in cmake?

推荐答案

我承认我进行了查找

I admit I had lookup what LOCAL_FILTER_ASM does.

因此，以下是我的代码(与CMake相同的功能):

So the following is my piece of code (same functionality just in CMake):

cmake_minimum_required(VERSION 3.0)
project(LocalFilterASM C ASM)

set(LOCAL_FILTER_ASM "cp")

string(
    REPLACE 
        "<ASSEMBLY_SOURCE>" "<OBJECT>.S.original" 
        MY_CREATE_ASSEMBLY "${CMAKE_C_CREATE_ASSEMBLY_SOURCE}"
)
string(
   REPLACE 
        "<SOURCE>" "<OBJECT>.S" 
         MY_COMPILE_OBJECT "${CMAKE_ASM_COMPILE_OBJECT}"
)

set(
    CMAKE_C_COMPILE_OBJECT 
        "${MY_CREATE_ASSEMBLY}"
        "${LOCAL_FILTER_ASM} <OBJECT>.S.original <OBJECT>.S"
        "${MY_COMPILE_OBJECT}"
) 

file(WRITE main.c "int main(void) { return 0; }")
add_executable(${PROJECT_NAME} main.c)

这只是采用了一些现有的CMake编译器规则，并将其组合为 CMAKE_C_COMPILE_OBJECT .请注意，这仅适用于CMake的makefile生成器.

This just takes some of the existing CMake compiler rules and combines it into a new multi-line rule for CMAKE_C_COMPILE_OBJECT. Please note that this will only work with CMake's makefile generators.

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