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{ 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 = "4.65";
pname = "glpk";
src = fetchurl {
url = "mirror://gnu/glpk/${pname}-${version}.tar.gz";
sha256 = "040sfaa9jclg2nqdh83w71sv9rc1sznpnfiripjdyr48cady50a2";
};
buildInputs =
[ libmysqlclient
] ++ stdenv.lib.optionals withGmp [
gmp
];
configureFlags = stdenv.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://git.sagemath.org/sage.git/plain/build/pkgs/glpk/patches/error_recovery.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
sha256 = "0z99z9gd31apb6x5n5n26411qzx0ma3s6dnznc4x61x86bhq31qf";
})
];
postPatch =
# Do not hardcode the include path for libmysqlclient.
''
substituteInPlace configure \
--replace '-I/usr/include/mysql' '$(mysql_config --include)'
'';
doCheck = true;
meta = {
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 = stdenv.lib.licenses.gpl3Plus;
maintainers = with stdenv.lib.maintainers; [ bjg timokau ];
platforms = stdenv.lib.platforms.all;
};
}
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