Samuel Thibault, on Thu 23 Jun 2016 14:47:48 +0200, wrote:
> simgrid's debian/rules forces -O3 in the CFLAGS. That should however be
> only done if noopt is not in DEB_BUILD_OPTIONS.

Also, upstream seems to put -O3 again in

tools/cmake/GCCFlags.cmake:     set(optCFLAGS "-O3 -funroll-loops 
-fno-strict-aliasing ")

it should be disabled with noopt.

The idea is to have a binary that can be properly debugged in gdb (no
"optimized" issue in gdb).

Samuel

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