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gprof Octave 4.2.1 with gcc 6.3

From: Andreas Weber
Subject: gprof Octave 4.2.1 with gcc 6.3
Date: Thu, 4 Jan 2018 23:30:08 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2

Dear all,

I was able to build Octave 4.2.1 tarball with gcc 6.3.0 and gprof on
debian stretch with

../octave-4.2.1/configure CFLAGS=-pg -no-pie CXXFLAGS=-pg -no-pie
--disable-java --disable-docs --without-qt --without-fftw3
--without-fltk --enable-static --disable-dl --disable-shared

the --no-pie is important for gcc > 4.9:

I run Riks benchmark
a = 1; b = 1; tic; for i=1:1000; for j=1:1000; a = a + b + 123.0; end;
end; t1=toc(); t1

and uploaded the result here: https://josoansi.de/files/out

I hope that I have time to build my docker images from 3.6.4 until 4.3.0
with gprof the next days

-- Andy

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