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nixpkgs/pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh
Eelco Dolstra 80647127a3 Turn the coverage analysis stdenv adapters into setup hooks
Stdenv adapters are kinda weird and un-idiomatic (especially when they
don't actually change stdenv).  It's more idiomatic to say

  buildInputs = [ makeCoverageAnalysisReport ];
2014-02-05 19:18:33 +01:00

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# Force GCC to build with coverage instrumentation. Also disable
# optimisation, since it may confuse things.
export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -O0 --coverage"
# FIXME: Handle the case where postUnpack is already set.
postUnpack() {
# This is an uberhack to prevent libtool from remoaving gcno
# files. This has been fixed in libtool, but there are packages
# out there with old ltmain.sh scripts. See
# http://www.mail-archive.com/libtool@gnu.org/msg10725.html
for i in $(find -name ltmain.sh); do
substituteInPlace $i --replace '*.$objext)' '*.$objext | *.gcno)'
done
}