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multiple definition of `atan2l' on the current Cygwin
- From: Tatsuro MATSUOKA <tmacchant2 at yahoo dot co dot jp>
- To: cygwin at cygwin dot com
- Date: Tue, 12 Apr 2016 12:06:54 +0900 (JST)
- Subject: multiple definition of `atan2l' on the current Cygwin
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- References: <5702FE9D dot 7060306 at alumni dot cse dot ucsc dot edu> <loom dot 20160410T212404-149 at post dot gmane dot org> <175388 dot 49650 dot qm at web101117 dot mail dot kks dot yahoo dot co dot jp> <loom dot 20160411T083414-815 at post dot gmane dot org> <870284 dot 4983 dot qm at web101111 dot mail dot kks dot yahoo dot co dot jp> <570C0F77 dot 1020303 at cornell dot edu>
- Reply-to: Tatsuro MATSUOKA <matsuoka at nuce dot nagoya-u dot ac dot jp>
I have updated Cygwin_x86 and Cygwin_x86-64 today.
In building the gnuplot I have met the error of "multiple definition of `atan2l'".
/usr/lib/gcc/x86_64-pc-cygwin/5.3.0/libstdc++.dll.a(d005836.o):(.text+0x0): multiple definition of `atan2l'
/usr/lib/../lib/libm.a(t-d000195.o):fake:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status
Makefile:777: recipe for target 'gnuplot.exe' failed
This did not occur yesterday.
Perhaps the latest change gcc-5.3.0 give this results.
At the moment a workaroud is :
LDFLAGS='-Wl,--allow-multiple-definition' \
at configure.
Tatsuro
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