我想在makefile中解析变量,这个变量有下一个语法:
VARIABLE=folder1=file1,folder2=file2,...,folderN=fileN
在这里我想用它做什么:
ifdef VARIABLE
#
# here I want to assign FOLDER to "folder1, folder2... folderN" in the loop
# and then compare it with current folder
#
ifeq ($(FOLDER),$(CURRENT_FOLDER))
#
# if true assign FILE1=file1
#
export MYFILE := FILE1
endif
else
export MYFILE = default_name
endif
我该怎么做?
答案 0 :(得分:1)
如果您将分隔符,
更改为其他分隔符,例如:
VARIABLE=folder1=file1:folder2=file2:...:folderN=fileN
你可以拆分列表
L=$(subst :, ,$(VARIABLE))
提取文件夹(如果有)
E=$(filter $(CURRENT_FOLDER)=%, $L)
并将=
之后的最后一部分分配给MYFILE
ifneq ($E,)
export MYFILE := $(patsubst $(CURRENT_FOLDER)=%,%,$E)
else
export MYFILE = default_name
endif