GNU C Library Alternative Musl Libc Hits 1.0 Milestone

New submitter dalias (1978986) writes "The musl libc project has released version 1.0, the result of three years of development and testing. Musl is a lightweight, fast, simple, MIT-licensed, correctness-oriented alternative to the GNU C library (glibc), uClibc, or Android's Bionic. At this point musl provides all mandatory C99 and POSIX interfaces (plus a lot of widely-used extensions), and well over 5000 packages are known to build successfully against musl.

Several options are available for trying musl. Compiler toolchains are available from the musl-cross project, and several new musl-based Linux distributions are already available (Sabotage and Snowflake, among others). Some well-established distributions including OpenWRT and Gentoo are in the process of adding musl-based variants, and others (Aboriginal, Alpine, Bedrock, Dragora) are adopting musl as their default libc." The What's New file contains release notes (you have to scroll to the bottom). There's also a handy chart comparing muscl to other libc implementations: it looks like musl is a better bet than dietlibc and uclibc for embedded use.

define _GNU_SOURCE

[cyberthanasis12]

I downloaded the library to see some random code. Here is the very first file I (randomly) chose (putw.c):

#define _GNU_SOURCE
#include
int putw(int x, FILE *f)
{
return (int)fwrite(&x, sizeof x, 1, f)-1;
}

Cheers.

Re:glibc is horribly bloated

[dalias]

I've submitted at least two bugfix patches to glibc where the diff was 100% "-" lines for things Drepper added. I believe they were all eventually committed. And thankfully this is the one type of glibc patch submission that doesn't require having a copyright assignment on file with the FSF. ;-)