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Re: M4 1.4.14 on AIX 7.1BETA
From: |
Bruno Haible |
Subject: |
Re: M4 1.4.14 on AIX 7.1BETA |
Date: |
Fri, 30 Jul 2010 23:09:18 +0200 |
User-agent: |
KMail/1.9.9 |
Hello Rainer,
Rainer Tammer wrote:
> 1. libm
>
> Some tests need libm (sample):
>
> xlc -g -o test-asin test-asin.o ../gllib/libgnu.a
> ld: 0711-317 ERROR: Undefined symbol: .asin
> ld: 0711-317 ERROR: Undefined symbol: asin
This is caused by an assumption that gnulib/m4/mathfunc.m4 makes,
that asin() will be in libm if and only if pow() is in libm. This is not
true here:
checking whether pow can be used without linking with libm... yes
So, can you please test whether the functions are in libm individually?
With this shell code:
for func in acos asin atan atan2 cbrt copysign cos cosh erf erfc exp \
fmod hypot j0 j1 jn lgamma log log10 log1p pow remainder \
sin sinh sqrt tan tanh y0 y1 yn; do
(echo '#include <math.h>'; echo "double (*funcptr)() = (double
(*)())$func;"; echo 'int main() {}') > conftest.c
if xlc conftest.c > /dev/null 2>/dev/null; then
echo "$func is in libc"
else
echo "$func requires libm"
fi
done
Bruno
- truncl on AIX 7.1BETA, (continued)
- truncl on AIX 7.1BETA, Bruno Haible, 2010/07/30
- stat on AIX 7.1BETA, Bruno Haible, 2010/07/30
- strndup on AIX 7.1BETA, Bruno Haible, 2010/07/30
- symlink on AIX 7.1BETA, Bruno Haible, 2010/07/30
- unlink on AIX 7.1BETA, Bruno Haible, 2010/07/30
- strtok_r on AIX 7.1BETA, Bruno Haible, 2010/07/30
- wcwidth on AIX 7.1BETA, Bruno Haible, 2010/07/30
- futimens on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: futimens on AIX 7.1BETA, Eric Blake, 2010/07/30
- getline on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: M4 1.4.14 on AIX 7.1BETA,
Bruno Haible <=
- Re: M4 1.4.14 on AIX 7.1BETA, Rainer Tammer, 2010/07/30
- Re: M4 1.4.14 on AIX 7.1BETA, Bruno Haible, 2010/07/31
- Re: M4 1.4.14 on AIX 7.1BETA, Rainer Tammer, 2010/07/31
- Re: M4 1.4.14 on AIX 7.1BETA, Bruno Haible, 2010/07/31
- Re: M4 1.4.14 on AIX 7.1BETA, Rainer Tammer, 2010/07/30
- readlink on AIX 7.1BETA, Bruno Haible, 2010/07/30
- Re: readlink on AIX 7.1BETA, Rainer Tammer, 2010/07/30
- Re: readlink on AIX 7.1BETA, Eric Blake, 2010/07/30
- Re: readlink on AIX 7.1BETA, Bruno Haible, 2010/07/31
- Re: readlink on AIX 7.1BETA, Bruno Haible, 2010/07/31