makefile $ symbol
There are three unrelated uses of @ here. In $@ , the character @ is the name of an automatic variable that can be used in a rule. The value of ...,This is like ' $^ ', but prerequisites listed more than once are duplicated in the order they were listed in the makefile. This is primarily useful for use in linking ... ,The one-page guide to Makefile: usage, examples, links, snippets, and more. , The $@ and $< are called automatic variables. The variable $@ represents the name of the file been created (i.e. the target) and $< represents the first prerequisite required to create the output file. Here, hello.o is the output file. This is what, $^ is the set of dependent files used to build something else. $@ is the name of the target to be built., Both expression specify all the files. Nope, the first rule tells make how to obtain an .o file given the corresponding .c file. Note the singular: a ..., It disables printing the command line being executed. Any output from the command itself still appears. See this previous question or see this ..., It means "don't echo this command on the output." So this rule is saying "execute the shell command : and don't echo the output. Of course the ..., As you can read in the GNU make manual, the percent acts as a wildcard. The first argument of the patsubst function forms the pattern., You don't say what version of make you're using so I'll assume a standard POSIX-compliant version such as GNU make. In makefiles, $x for ...
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 makefile $ symbol 相關參考資料
File function in makefile takes args prefixed by '@' symbol - Unix ...
There are three unrelated uses of @ here. In $@ , the character @ is the name of an automatic variable that can be used in a rule. The value of ... https://unix.stackexchange.com GNU make: Automatic Variables
This is like ' $^ ', but prerequisites listed more than once are duplicated in the order they were listed in the makefile. This is primarily useful for use in linking ... https://www.gnu.org Makefile cheatsheet - Devhints
The one-page guide to Makefile: usage, examples, links, snippets, and more. https://devhints.io What do the makefile symbols $@ and $< mean? - Stack Overflow
The $@ and $< are called automatic variables. The variable $@ represents the name of the file been created (i.e. the target) and $< represents the first prerequisite required to create the outp... https://stackoverflow.com What do the makefile symbols $^ mean? - Stack Overflow
$^ is the set of dependent files used to build something else. $@ is the name of the target to be built. https://stackoverflow.com What does % symbol in Makefile mean - Unix & Linux Stack Exchange
Both expression specify all the files. Nope, the first rule tells make how to obtain an .o file given the corresponding .c file. Note the singular: a ... https://unix.stackexchange.com What does "@" mean in makefile? - Stack Overflow
It disables printing the command line being executed. Any output from the command itself still appears. See this previous question or see this ... https://stackoverflow.com What does @: (at symbol colon) mean in a Makefile? - Stack Overflow
It means "don't echo this command on the output." So this rule is saying "execute the shell command : and don't echo the output. Of course the ... https://stackoverflow.com What does a percent symbol do in a makefile? - Stack Overflow
As you can read in the GNU make manual, the percent acts as a wildcard. The first argument of the patsubst function forms the pattern. https://stackoverflow.com What does the Makefile symbol $= mean? - Stack Overflow
You don't say what version of make you're using so I'll assume a standard POSIX-compliant version such as GNU make. In makefiles, $x for ... https://stackoverflow.com |