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problem: unresolved references to _errno
- To: cygwin at sourceware dot cygnus dot com
- Subject: problem: unresolved references to _errno
- From: Alexander Lüdeke <luedekea at uos dot de>
- Date: Tue, 07 Dec 1999 10:07:13 +0100
- Organization: Universitaet Osnabrueck
- Reply-To: luedekea at uos dot de
Hallo,
I have got a problem. When I'm using the function pow(double,double) of
math.h,
I get this error-message:
gcc -o bruessel main.o bruessel.o ruku.o -s -lm -mno-cygwin
D:\Programme\CygWin\cygwin-b20\H-i586-cygwin32\bin\..\lib\gcc-lib\i586-c
ygwin32\
egcs-2.91.57\..\..\..\..\i586-cygwin32\lib/libm.a(w_pow.o): In function
`pow':
/home/noer/src/b20/comp-tools/devo/newlib/libm/math/w_pow.c:164:
undefined refer
ence to `__errno'
/home/noer/src/b20/comp-tools/devo/newlib/libm/math/w_pow.c:207:
undefined refer
ence to `__errno'
/home/noer/src/b20/comp-tools/devo/newlib/libm/math/w_pow.c:210:
undefined refer
ence to `__errno'
collect2: ld returned 1 exit status
MAKE.EXE: *** [bruessel] Error 1
You wrote in a readme file:
At link time your code produces unresolved references to _impure_ptr,
_ctype_ and/or _errno, among others. ... If you have this problem then
you
may have to modify the Mingw32 specs file. I have tried to modify the
specs
file, but I haven't success. What is the correct path?
Alexander Luedeke
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