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From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: feature request: flag to disable math library build
Date: Thu, 11 Oct 2012 21:37:38 +0200	[thread overview]
Message-ID: <20121011193738.GL24157@port70.net> (raw)
In-Reply-To: <20121011181709.GK24157@port70.net>

* Szabolcs Nagy <nsz@port70.net> [2012-10-11 20:17:09 +0200]:
> if you don't like such hacks then you can add
> 
> SRCS:=$(filter-out src/complex/%,$(SRCS))
> SRCS:=$(filter-out src/math/%,$(SRCS))
> 
> to your config.mak
> 
> i'm not sure how safe is this: libc uses some math
> functions (at least stdio uses frexpl for printf)

these are the math functions used by other parts
of libc (mostly float scan and print):

M = \
__fpclassifyl \
copysign \
copysignl \
fabs \
fmod \
fmodl \
frexp \
frexpl \
scalbn \
scalbnl \

so you need

SRCS := $(SRCS) $(M:%=src/math/%.c)

(not tested)


  reply	other threads:[~2012-10-11 19:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-11 17:30 John Spencer
2012-10-11 18:17 ` Szabolcs Nagy
2012-10-11 19:37   ` Szabolcs Nagy [this message]
2012-10-11 23:28     ` Rich Felker
2012-10-11 23:57       ` Luca Barbato
2012-10-12  0:24       ` John Spencer
2012-10-13  7:23       ` Isaac Dunham
2012-10-13 12:26         ` Rich Felker
2012-10-13 23:49           ` Isaac Dunham
2012-10-13 23:53             ` Rich Felker
2012-10-13 13:42         ` John Spencer
2012-10-13 20:13           ` Rich Felker
2012-10-12  0:32     ` John Spencer
2012-10-12  0:17       ` Rich Felker

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