Date: Thu, 11 Sep 2014 13:00:09 +0200 From: Jörg Krause <jkrause@...teo.de> To: musl@...ts.openwall.com Subject: why is there no __MUSL__ macro? Hi, I am trying to add support for the musl toolchain to FFmpeg. FFmpeg needs support for library features defined in POSIX.1-2001 with XSI extension and the standards below. Currently configure probes the host and target libc by checking for defined macros like __GLIBC__ and __UCLIBC__. In case of glibc and uclibc it sets -D_XOPEN_SOURCE=600 properly. After this it checks for some combinations of hardware and the probed libc to set some more compile options, if necessary. I know that musl does not have a macro __MUSL__ and I have read the explanation. However, I don't understand what's meant by "[..] it's a bug to assume a certain implementation has particular properties rather than testing." and how does it affect the way FFmpeg probes for the libc. What could be a solution which supports musl? Many thanks! Jörg Content of type "text/html" skipped
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