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{ lib, stdenv
, fetchurl
, fetchpatch
, libmysqlclient
# Excerpt from glpk's INSTALL file:
# This feature allows the exact simplex solver to use the GNU MP
# bignum library. If it is disabled, the exact simplex solver uses the
# GLPK bignum module, which provides the same functionality as GNU MP,
# however, it is much less efficient.
, withGmp ? true
, gmp
}:
assert withGmp -> gmp != null;
stdenv.mkDerivation rec {
version = "5.0";
pname = "glpk";
src = fetchurl {
url = "mirror://gnu/glpk/${pname}-${version}.tar.gz";
sha256 = "sha256-ShAT7rtQ9yj8YBvdgzsLKHAzPDs+WoFu66kh2VvsbxU=";
};
buildInputs =
[ libmysqlclient
] ++ lib.optionals withGmp [
gmp
];
configureFlags = lib.optionals withGmp [
"--with-gmp"
];
patches = [
# GLPK makes it possible to customize its message printing behaviour. Sage
# does that and needs to differentiate between printing regular messages and
# printing errors. Unfortunately there is no way to tell and glpk upstream
# rejected this patch. All it does is set the variable pointing to the error
# file back to NULL before glpk calls abort(). In sage's case, abort won't
# actually be called because the error handler jumps out of the function.
# This shouldn't affect everybody else, since glpk just calls abort()
# immediately afterwards anyways.
# See the sage trac ticket for more details:
# https://trac.sagemath.org/ticket/20710#comment:18
(fetchpatch {
name = "error_recovery.patch";
url = "https://raw.githubusercontent.com/sagemath/sage/d3c1f607e32f964bf0cab877a63767c86fd00266/build/pkgs/glpk/patches/error_recovery.patch";
sha256 = "sha256-2hNtUEoGTFt3JgUvLH3tPWnz+DZcXNhjXzS+/V89toA=";
})
];
postPatch =
# Do not hardcode the include path for libmysqlclient.
''
substituteInPlace configure \
--replace '-I/usr/include/mysql' '$(mysql_config --include)'
'';
doCheck = true;
meta = with lib; {
description = "The GNU Linear Programming Kit";
longDescription =
'' The GNU Linear Programming Kit is intended for solving large
scale linear programming problems by means of the revised
simplex method. It is a set of routines written in the ANSI C
programming language and organized in the form of a library.
'';
homepage = "https://www.gnu.org/software/glpk/";
license = licenses.gpl3Plus;
maintainers = with maintainers; [ ] ++ teams.sage.members;
mainProgram = "glpsol";
platforms = platforms.all;
};
}
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