nixpkgs/pkgs/development/tools/misc/cflow/default.nix

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{ stdenv, fetchurl, gettext, emacs }:
stdenv.mkDerivation rec {
name = "cflow-1.3";
src = fetchurl {
url = "mirror://gnu/cflow/${name}.tar.bz2";
sha256 = "1nlmgcjsy1rl5zpqz9f8mf74faq3rm725hhpf11b8w80sniqgnnk";
};
patchPhase = ''
substituteInPlace "src/cflow.h" \
--replace "/usr/bin/cpp" \
"$(cat ${stdenv.gcc}/nix-support/orig-gcc)/bin/cpp"
'';
buildInputs = [ gettext emacs ];
doCheck = true;
meta = {
description = "GNU cflow, a tool to analyze the control flow of C programs";
longDescription = ''
GNU cflow analyzes a collection of C source files and prints a
graph, charting control flow within the program.
GNU cflow is able to produce both direct and inverted flowgraphs
for C sources. Optionally a cross-reference listing can be
generated. Two output formats are implemented: POSIX and GNU
(extended).
The package also provides Emacs major mode for examining the
produced flowcharts in Emacs.
'';
license = "GPLv3+";
homepage = http://www.gnu.org/software/cflow/;
maintainers = [ stdenv.lib.maintainers.ludo ];
};
}