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hidsh/#log

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なんか、今日びのgccは個別に -c とかでコンパイルして最後にそいつらをリンクせんでも、1行でソースをコンパイル＆リンクしてくれるっぽい
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#log
$ ls
Makefile a.out hogelib.c main.c
$ ./a.out
2
$
！！！！！！！！！！！！！まじか！！！！！！！
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hogelib.c
int inc(int v)
{
return ++v;
}
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main.c
#include <stdio.h>
extern int inc(int v);
int main(void)
{
int x = inc(1);
printf("%d\n", x);
}
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Makefile
a.out: main.c hogelib.c
gcc -o $@ $^
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old_style.mk
a.out: main.o hogelib.o
gcc -o $@ $^
main.o: main.c
gcc -o $@ -c $<
hogelib.o: hogelib.c
gcc -o $@ -c $<
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hidsh commented Dec 1, 2023 •
edited

いつから？？

$ date
Fri Dec  1 17:40:43 JST 2023
$ gcc --version
gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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