Fixed for glpk versions > 4.49 (bug #473454), fixed for blas/lapck under /opt (bug #498144, thanks kiwifb), removed old (bug #404427, #450992)

Package-Manager: portage-2.2.8-prefix/cvs/Linux x86_64
Manifest-Sign-Key: 0x13CB1360

7 files changed, 927 insertions, 277 deletions

diff --git a/dev-python/cvxopt/ChangeLog b/dev-python/cvxopt/ChangeLog
index b0e8bd0260bb..212777dccf6e 100644
--- a/dev-python/cvxopt/ChangeLog
+++ b/dev-python/cvxopt/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for dev-python/cvxopt
-# Copyright 1999-2013 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-python/cvxopt/ChangeLog,v 1.15 2013/06/21 20:08:52 bicatali Exp $
+# Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
+# $Header: /var/cvsroot/gentoo-x86/dev-python/cvxopt/ChangeLog,v 1.16 2014/01/16 18:44:31 bicatali Exp $
+
+  16 Jan 2014; Sébastien Fabbro <bicatali@gentoo.org>
+  +files/cvxopt-1.1.6-glpk.patch, -cvxopt-1.1.5-r2.ebuild,
+  -files/cvxopt-1.1.5-setup.patch, cvxopt-1.1.6.ebuild, metadata.xml:
+  Fixed for glpk versions > 4.49 (bug #473454), fixed for blas/lapck under /opt
+  (bug #498144, thanks kiwifb), removed old (bug #404427, #450992)
 
   21 Jun 2013; Sébastien Fabbro <bicatali@gentoo.org> cvxopt-1.1.6.ebuild:
   Add temporary directory for tex generated fonts (bug #473896)
diff --git a/dev-python/cvxopt/Manifest b/dev-python/cvxopt/Manifest
index ca0a36aeffd4..6e1a988e5778 100644
--- a/dev-python/cvxopt/Manifest
+++ b/dev-python/cvxopt/Manifest
@@ -1,18 +1,16 @@
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 Hash: SHA256
 
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+AUX cvxopt-1.1.6-glpk.patch 32201 SHA256 cb2e4004112aca900c1a64fbd735b8b7c7235e5a0051986d89603dc2024d5836 SHA512 29e441c9b8f9e2b1ccfebe80755880a6feeaac8f17faaeae1353c672d543acffa53d31f1188127cd8d4256f4e2bec6b9c996361419f94fcc983d4385069a92bc WHIRLPOOL fa28e93d68d06c88a23ef0182cf49c33ad0bcf1fc66ac5b0000187274a1bb359e935e3bcd4cb59f1e7ffa761a4cb55be83cd3340b75b1e5d54d63ff298acfc4d
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diff --git a/dev-python/cvxopt/cvxopt-1.1.5-r2.ebuild b/dev-python/cvxopt/cvxopt-1.1.5-r2.ebuild
deleted file mode 100644
index 560365a6717a..000000000000
--- a/dev-python/cvxopt/cvxopt-1.1.5-r2.ebuild
+++ /dev/null
@@ -1,82 +0,0 @@
-# Copyright 1999-2013 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/dev-python/cvxopt/cvxopt-1.1.5-r2.ebuild,v 1.1 2013/02/26 20:33:17 jlec Exp $
-
-EAPI=5
-
-PYTHON_COMPAT=( python{2_6,2_7} )
-
-inherit distutils-r1 toolchain-funcs
-
-DESCRIPTION="Python package for convex optimization"
-HOMEPAGE="http://abel.ee.ucla.edu/cvxopt"
-SRC_URI="http://abel.ee.ucla.edu/${PN}/${P}.tar.gz"
-
-LICENSE="GPL-3"
-SLOT="0"
-KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
-IUSE="doc +dsdp examples fftw +glpk gsl"
-
-RDEPEND="
-	virtual/blas
-	virtual/cblas
-	virtual/lapack
-	sci-libs/cholmod
-	sci-libs/umfpack
-	dsdp? ( sci-libs/dsdp )
-	fftw? ( sci-libs/fftw:3.0 )
-	glpk? ( sci-mathematics/glpk )
-	gsl? ( sci-libs/gsl )"
-DEPEND="${RDEPEND}
-	virtual/pkgconfig
-	doc? ( dev-python/sphinx )"
-
-S="${WORKDIR}/${P}/src"
-
-python_prepare_all(){
-	local PATCHES=( "${FILESDIR}"/${P}-setup.patch )
-	rm -rf src/C/SuiteSparse*/
-	rm -rf ../doc/build # 413905
-
-	distutils-r1_python_prepare_all
-
-	pkg_lib() {
-		local pylib=\'$($(tc-getPKG_CONFIG) --libs-only-l ${1} | sed \
-			-e 's/^-l//' \
-			-e "s/ -l/\',\'/g" \
-			-e 's/.,.pthread//g' \
-			-e "s:[[:space:]]::g")\'
-		sed -i -e "/_LIB = /s:\(.*\)'${1}'\(.*\):\1${pylib}\2:" setup.py || die
-	}
-
-	use_cvx() {
-		if use ${1}; then
-			sed -i \
-				-e "s/\(BUILD_${1^^} =\) 0/\1 1/" \
-				setup.py || die
-		fi
-	}
-
-	pkg_lib blas
-	pkg_lib lapack
-	use_cvx gsl
-	use_cvx fftw
-	use_cvx glpk
-	use_cvx dsdp
-}
-
-python_compile_all() {
-	use doc && emake -C "${WORKDIR}"/${P}/doc -B html
-}
-
-python_test() {
-	cd "${WORKDIR}"/${P}/examples/doc/chap8
-	"${PYTHON}" lp.py || die
-}
-
-python_install_all() {
-	use doc && HTML_DOCS=( "${WORKDIR}"/${P}/doc/build/html/. )
-	insinto /usr/share/doc/${PF}
-	use examples && doins -r "${WORKDIR}"/${P}/examples
-	distutils-r1_python_install_all
-}
diff --git a/dev-python/cvxopt/cvxopt-1.1.6.ebuild b/dev-python/cvxopt/cvxopt-1.1.6.ebuild
index 503a88aff266..50d4dc6d37f9 100644
--- a/dev-python/cvxopt/cvxopt-1.1.6.ebuild
+++ b/dev-python/cvxopt/cvxopt-1.1.6.ebuild
@@ -1,12 +1,12 @@
-# Copyright 1999-2013 Gentoo Foundation
+# Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/dev-python/cvxopt/cvxopt-1.1.6.ebuild,v 1.2 2013/06/21 20:08:52 bicatali Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-python/cvxopt/cvxopt-1.1.6.ebuild,v 1.3 2014/01/16 18:44:31 bicatali Exp $
 
 EAPI=5
 
 PYTHON_COMPAT=( python{2_6,2_7,3_2,3_3} )
 
-inherit distutils-r1 toolchain-funcs
+inherit distutils-r1 toolchain-funcs eutils
 
 DESCRIPTION="Python package for convex optimization"
 HOMEPAGE="http://cvxopt.org/"
@@ -25,14 +25,16 @@ RDEPEND="
 	sci-libs/umfpack
 	dsdp? ( sci-libs/dsdp )
 	fftw? ( sci-libs/fftw:3.0 )
-	glpk? ( sci-mathematics/glpk )
+	glpk? ( sci-mathematics/glpk:= )
 	gsl? ( sci-libs/gsl )"
 DEPEND="${RDEPEND}
 	virtual/pkgconfig
 	doc? ( dev-python/sphinx )"
 
 python_prepare_all(){
-	local PATCHES=( "${FILESDIR}"/${PN}-1.1.6-setup.patch )
+	local PATCHES=(	"${FILESDIR}"/${PN}-1.1.6-setup.patch )
+	has_version ">=sci-mathematics/glpk-4.49" && \
+		epatch "${FILESDIR}"/${PN}-1.1.6-glpk.patch
 	rm -r src/C/SuiteSparse*/ || die
 
 	distutils-r1_python_prepare_all
@@ -56,6 +58,14 @@ python_prepare_all(){
 
 	pkg_lib blas
 	pkg_lib lapack
+
+	# Deal with blas/lapck libraries that are not in /usr/lib{64}
+	local lapackdir=\'$($(tc-getPKG_CONFIG) --libs-only-L lapack | sed \
+			-e 's/^-L//' \
+			-e "s/ -L/\',\'/g" \
+			-e "s:[[:space:]]::g")\'
+	sed -i -e "s:BLAS_LIB_DIR = '':BLAS_LIB_DIR = ${lapackdir}:" setup.py || die
+
 	use_cvx gsl
 	use_cvx fftw
 	use_cvx glpk
diff --git a/dev-python/cvxopt/files/cvxopt-1.1.5-setup.patch b/dev-python/cvxopt/files/cvxopt-1.1.5-setup.patch
deleted file mode 100644
index f91ae9f62ff4..000000000000
--- a/dev-python/cvxopt/files/cvxopt-1.1.5-setup.patch
+++ /dev/null
@@ -1,171 +0,0 @@
---- setup.py.orig	2012-04-04 17:18:51.000000000 +0100
-+++ setup.py	2012-04-19 00:02:14.000000000 +0100
-@@ -2,7 +2,7 @@
- from glob import glob
- 
- # Modifiy this if BLAS and LAPACK libraries are not in /usr/lib.
--BLAS_LIB_DIR = '/usr/lib'
-+BLAS_LIB_DIR = ''
- 
- # Default names of BLAS and LAPACK libraries
- BLAS_LIB = ['blas']
-@@ -18,37 +18,37 @@
- BUILD_GSL = 0
- 
- # Directory containing libgsl (used only when BUILD_GSL = 1).
--GSL_LIB_DIR = '/usr/lib'
-+GSL_LIB_DIR = ''
- 
- # Directory containing the GSL header files (used only when BUILD_GSL = 1).
--GSL_INC_DIR = '/usr/include/gsl'
-+GSL_INC_DIR = ''
- 
- # Set to 1 if you are installing the fftw module.
- BUILD_FFTW = 0 
- 
- # Directory containing libfftw3 (used only when BUILD_FFTW = 1).
--FFTW_LIB_DIR = '/usr/lib'
-+FFTW_LIB_DIR = ''
- 
- # Directory containing fftw.h (used only when BUILD_FFTW = 1).
--FFTW_INC_DIR = '/usr/include'
-+FFTW_INC_DIR = ''
- 
- # Set to 1 if you are installing the glpk module.
- BUILD_GLPK = 0 
- 
- # Directory containing libglpk (used only when BUILD_GLPK = 1).
--GLPK_LIB_DIR = '/usr/lib'
-+GLPK_LIB_DIR = ''
- 
- # Directory containing glpk.h (used only when BUILD_GLPK = 1).
--GLPK_INC_DIR = '/usr/include'
-+GLPK_INC_DIR = ''
- 
- # Set to 1 if you are installing the DSDP module.
- BUILD_DSDP = 0
- 
- # Directory containing libdsdp (used only when BUILD_DSDP = 1).
--DSDP_LIB_DIR = '/usr/lib'
-+DSDP_LIB_DIR = ''
-  
- # Directory containing dsdp5.h (used only when BUILD_DSDP = 1).
--DSDP_INC_DIR = '/usr/include/dsdp'
-+DSDP_INC_DIR = ''
- 
- # No modifications should be needed below this line.
- 
-@@ -61,39 +61,32 @@
- # optional modules
- 
- if BUILD_GSL:
--    gsl = Extension('gsl', libraries = ['m', 'gsl'] + BLAS_LIB,
--        include_dirs = [ GSL_INC_DIR ],
--        library_dirs = [ GSL_LIB_DIR, BLAS_LIB_DIR ],
--        extra_link_args = BLAS_EXTRA_LINK_ARGS,
-+    gsl = Extension('gsl', libraries = ['gsl'],
-+        library_dirs = [ GSL_LIB_DIR ],
-         sources = ['C/gsl.c'] )
-     extmods += [gsl];
- 
- if BUILD_FFTW:
--    fftw = Extension('fftw', libraries = ['fftw3'] + BLAS_LIB,
--        include_dirs = [ FFTW_INC_DIR ],
--        library_dirs = [ FFTW_LIB_DIR, BLAS_LIB_DIR ],
--        extra_link_args = BLAS_EXTRA_LINK_ARGS,
-+    fftw = Extension('fftw', libraries = ['fftw3'],
-+        library_dirs = [ FFTW_LIB_DIR ],
-         sources = ['C/fftw.c'] )
-     extmods += [fftw];
- 
- if BUILD_GLPK:
-     glpk = Extension('glpk', libraries = ['glpk'],
--        include_dirs = [ GLPK_INC_DIR ],
-         library_dirs = [ GLPK_LIB_DIR ],
-         sources = ['C/glpk.c'] )
-     extmods += [glpk];
- 
- if BUILD_DSDP:
--    dsdp = Extension('dsdp', libraries = ['dsdp'] + LAPACK_LIB + BLAS_LIB,
--        include_dirs = [ DSDP_INC_DIR ],
--        library_dirs = [ DSDP_LIB_DIR, BLAS_LIB_DIR ],
--        extra_link_args = BLAS_EXTRA_LINK_ARGS,
-+    dsdp = Extension('dsdp', libraries = ['dsdp'],
-+        library_dirs = [ DSDP_LIB_DIR ],
-         sources = ['C/dsdp.c'] )
-     extmods += [dsdp];
- 
- # Required modules
- 
--base = Extension('base', libraries = ['m'] + LAPACK_LIB + BLAS_LIB,
-+base = Extension('base', libraries = LAPACK_LIB,
-     library_dirs = [ BLAS_LIB_DIR ],
-     define_macros = MACROS,
-     extra_link_args = BLAS_EXTRA_LINK_ARGS,
-@@ -105,55 +98,36 @@
-     extra_link_args = BLAS_EXTRA_LINK_ARGS,
-     sources = ['C/blas.c'] )
- 
--lapack = Extension('lapack', libraries = LAPACK_LIB + BLAS_LIB,
-+lapack = Extension('lapack', libraries = LAPACK_LIB ,
-     library_dirs = [ BLAS_LIB_DIR ],
-     define_macros = MACROS,
-     extra_link_args = BLAS_EXTRA_LINK_ARGS,
-     sources = ['C/lapack.c'] )
- 
- umfpack = Extension('umfpack', 
--    include_dirs = [ 'C/SuiteSparse/UMFPACK/Include',
--        'C/SuiteSparse/AMD/Include', 'C/SuiteSparse/AMD/Source', 
--        'C/SuiteSparse/UFconfig' ],
-     library_dirs = [ BLAS_LIB_DIR ],
-     define_macros = MACROS,
--    libraries = LAPACK_LIB + BLAS_LIB,
--    extra_link_args = BLAS_EXTRA_LINK_ARGS,
--    sources = [ 'C/umfpack.c',
--        'C/SuiteSparse/UMFPACK/Source/umfpack_global.c',
--        'C/SuiteSparse/UMFPACK/Source/umfpack_tictoc.c' ] +
--        glob('C/SuiteSparse_cvxopt_extra/umfpack/*'))
-+    libraries = [ 'umfpack' ],
-+    sources = [ 'C/umfpack.c' ])
-+
- 
- # Build for int or long? 
- import sys
- if sys.maxsize > 2**31: MACROS += [('DLONG','')]
- 
- cholmod = Extension('cholmod',
--    library_dirs = [ BLAS_LIB_DIR ],
--    libraries = LAPACK_LIB + BLAS_LIB,
--    include_dirs = [ 'C/SuiteSparse/CHOLMOD/Include', 
--        'C/SuiteSparse/COLAMD', 'C/SuiteSparse/AMD/Include', 
--        'C/SuiteSparse/UFconfig', 'C/SuiteSparse/COLAMD/Include' ],
--    define_macros = MACROS + [('NPARTITION', '1')],
--    extra_link_args = BLAS_EXTRA_LINK_ARGS,
--    sources = [ 'C/cholmod.c' ] + 
--        ['C/SuiteSparse/AMD/Source/' + s for s in ['amd_global.c',
--            'amd_postorder.c', 'amd_post_tree.c', 'amd_2.c']] +
--        ['C/SuiteSparse/COLAMD/Source/' + s for s in ['colamd.c',
--            'colamd_global.c']] +
--        glob('C/SuiteSparse/CHOLMOD/Core/c*.c') +
--        glob('C/SuiteSparse/CHOLMOD/Cholesky/c*.c') +
--        ['C/SuiteSparse/CHOLMOD/Check/cholmod_check.c'] +
--        glob('C/SuiteSparse/CHOLMOD/Supernodal/c*.c') )
-+     libraries = ['cholmod'] + BLAS_LIB,
-+     define_macros = MACROS + [('NPARTITION', '1')],
-+     sources = [ 'C/cholmod.c' ])
-+
- 
- amd = Extension('amd', 
--    include_dirs = [ 'C/SuiteSparse/AMD/Include', 
--        'C/SuiteSparse/UFconfig' ],
-     define_macros = MACROS,
--    sources = [ 'C/amd.c' ] + glob('C/SuiteSparse/AMD/Source/*.c') )
-+    libraries = ['amd'],
-+    sources = [ 'C/amd.c' ])
- 
- misc_solvers = Extension('misc_solvers',
--    libraries = LAPACK_LIB + BLAS_LIB,
-+    libraries = LAPACK_LIB,
-     library_dirs = [ BLAS_LIB_DIR ],
-     define_macros = MACROS,
-     extra_link_args = BLAS_EXTRA_LINK_ARGS,
diff --git a/dev-python/cvxopt/files/cvxopt-1.1.6-glpk.patch b/dev-python/cvxopt/files/cvxopt-1.1.6-glpk.patch
new file mode 100644
index 000000000000..2887ccd02206
--- /dev/null
+++ b/dev-python/cvxopt/files/cvxopt-1.1.6-glpk.patch
@@ -0,0 +1,889 @@
+--- src/C/glpk.c.orig	2013-07-31 12:05:27.089955661 -0600
++++ src/C/glpk.c	2013-07-31 12:13:40.702115730 -0600
+@@ -22,6 +22,8 @@
+ #include "cvxopt.h"
+ #include "misc.h"
+ #include "glpk.h"
++#include <float.h>
++#include <limits.h>
+ 
+ PyDoc_STRVAR(glpk__doc__,
+     "Interface to the simplex and mixed integer LP algorithms in GLPK.\n\n"
+@@ -36,62 +38,15 @@ PyDoc_STRVAR(glpk__doc__,
+ 
+ static PyObject *glpk_module;
+ 
+-typedef struct {
+-    char  name[20];
+-    int   idx;
+-    char  type;
+-}   param_tuple;
+-
+-static const param_tuple GLPK_PARAM_LIST[] = {
+-    {"LPX_K_MSGLEV",    LPX_K_MSGLEV,   'i'}, 
+-    {"LPX_K_SCALE",     LPX_K_SCALE,    'i'},
+-    {"LPX_K_DUAL",      LPX_K_DUAL,     'i'},
+-    {"LPX_K_PRICE",     LPX_K_PRICE,    'i'},
+-    {"LPX_K_RELAX",     LPX_K_RELAX,    'f'},
+-    {"LPX_K_TOLBND",    LPX_K_TOLBND,   'f'},
+-    {"LPX_K_TOLDJ",     LPX_K_TOLDJ,    'f'},
+-    {"LPX_K_TOLPIV",    LPX_K_TOLPIV,   'f'},
+-    {"LPX_K_ROUND",     LPX_K_ROUND,    'i'},
+-    {"LPX_K_OBJLL",     LPX_K_OBJLL,    'f'},
+-    {"LPX_K_OBJUL",     LPX_K_OBJUL,    'f'},
+-    {"LPX_K_ITLIM",     LPX_K_ITLIM,    'i'},
+-    {"LPX_K_ITCNT",     LPX_K_ITCNT,    'i'}, 
+-    {"LPX_K_TMLIM",     LPX_K_TMLIM,    'f'},
+-    {"LPX_K_OUTFRQ",    LPX_K_OUTFRQ,   'i'},
+-    {"LPX_K_OUTDLY",    LPX_K_OUTDLY,   'f'},
+-    {"LPX_K_BRANCH",    LPX_K_BRANCH,   'i'},
+-    {"LPX_K_BTRACK",    LPX_K_BTRACK,   'i'},
+-    {"LPX_K_TOLINT",    LPX_K_TOLINT,   'f'},
+-    {"LPX_K_TOLOBJ",    LPX_K_TOLOBJ,   'f'},
+-    {"LPX_K_MPSINFO",   LPX_K_MPSINFO,  'i'},
+-    {"LPX_K_MPSOBJ",    LPX_K_MPSOBJ,   'i'},
+-    {"LPX_K_MPSORIG",   LPX_K_MPSORIG,  'i'},
+-    {"LPX_K_MPSWIDE",   LPX_K_MPSWIDE,  'i'},
+-    {"LPX_K_MPSFREE",   LPX_K_MPSFREE,  'i'},
+-    {"LPX_K_MPSSKIP",   LPX_K_MPSSKIP,  'i'},
+-    {"LPX_K_LPTORIG",   LPX_K_LPTORIG,  'i'},
+-    {"LPX_K_PRESOL",    LPX_K_PRESOL,   'i'},
+-}; /* 28 paramaters */
+-
+-
+ #if PY_MAJOR_VERSION >= 3
+-static int get_param_idx(const char *str, int *idx, char *type)
++#define PYINT_CHECK(value) PyLong_Check(value)
++#define PYINT_AS_LONG(value) PyLong_AS_LONG(value)
++#define PYSTRING_FROMSTRING(str) PyUnicode_FromString(str)
+ #else
+-static int get_param_idx(char *str, int *idx, char *type)
++#define PYINT_CHECK(value) PyInt_Check(value)
++#define PYINT_AS_LONG(value) PyInt_AS_LONG(value)
++#define PYSTRING_FROMSTRING(str) PyString_FromString(str)
+ #endif
+-{
+-    int i;
+-
+-    for (i=0; i<28; i++) {
+-        if (!strcmp(GLPK_PARAM_LIST[i].name, str)) {
+-            *idx =  GLPK_PARAM_LIST[i].idx;
+-            *type = GLPK_PARAM_LIST[i].type;
+-            return 1;
+-        }
+-    }
+-    return 0;
+-}
+-
+ 
+ static char doc_simplex[] =
+     "Solves a linear program using GLPK.\n\n"
+@@ -127,11 +82,12 @@ static PyObject *simplex(PyObject *self,
+ {
+     matrix *c, *h, *b=NULL, *x=NULL, *z=NULL, *y=NULL;
+     PyObject *G, *A=NULL, *t=NULL, *param, *key, *value;
+-    LPX *lp;
+-    int m, n, p, i, j, k, nnz, nnzmax, *rn=NULL, *cn=NULL, param_id;
++    glp_prob *lp;
++    glp_smcp smcp;
++    int m, n, p, i, j, k, nnz, nnzmax, *rn=NULL, *cn=NULL;
+     int_t pos=0;
+     double *a=NULL, val;
+-    char param_type, err_str[100]; 
++    char err_str[100];
+ #if PY_MAJOR_VERSION >= 3
+     const char *keystr;
+ #else
+@@ -183,18 +139,18 @@ static PyObject *simplex(PyObject *self,
+         return NULL;
+     }
+ 
+-    lp = lpx_create_prob();
+-    lpx_add_rows(lp, m+p);
+-    lpx_add_cols(lp, n);
++    lp = glp_create_prob();
++    glp_add_rows(lp, m+p);
++    glp_add_cols(lp, n);
+ 
+     for (i=0; i<n; i++){
+-        lpx_set_obj_coef(lp, i+1, MAT_BUFD(c)[i]);
+-        lpx_set_col_bnds(lp, i+1, LPX_FR, 0.0, 0.0);
++        glp_set_obj_coef(lp, i+1, MAT_BUFD(c)[i]);
++        glp_set_col_bnds(lp, i+1, GLP_FR, 0.0, 0.0);
+     }
+     for (i=0; i<m; i++)
+-        lpx_set_row_bnds(lp, i+1, LPX_UP, 0.0, MAT_BUFD(h)[i]);
++        glp_set_row_bnds(lp, i+1, GLP_UP, 0.0, MAT_BUFD(h)[i]);
+     for (i=0; i<p; i++)
+-        lpx_set_row_bnds(lp, i+m+1, LPX_FX, MAT_BUFD(b)[i],
++        glp_set_row_bnds(lp, i+m+1, GLP_FX, MAT_BUFD(b)[i],
+             MAT_BUFD(b)[i]);
+ 
+     nnzmax = (SpMatrix_Check(G) ? SP_NNZ(G) : m*n ) +
+@@ -203,7 +159,7 @@ static PyObject *simplex(PyObject *self,
+     rn = (int *) calloc(nnzmax+1, sizeof(int));
+     cn = (int *) calloc(nnzmax+1, sizeof(int));
+     if (!a || !rn || !cn){
+-        free(a);  free(rn);  free(cn);  lpx_delete_prob(lp);
++        free(a);  free(rn);  free(cn);  glp_delete_prob(lp);
+         return PyErr_NoMemory();
+     }
+ 
+@@ -242,84 +198,155 @@ static PyObject *simplex(PyObject *self,
+             nnz++;
+         }
+ 
+-    lpx_load_matrix(lp, nnz, rn, cn, a);
++    glp_load_matrix(lp, nnz, rn, cn, a);
+     free(rn);  free(cn);  free(a);
+ 
+     if (!(t = PyTuple_New(A ? 4 : 3))){
+-        lpx_delete_prob(lp);
++        glp_delete_prob(lp);
+         return PyErr_NoMemory();
+     }
+ 
+     if (!(param = PyObject_GetAttrString(glpk_module, "options"))
+         || !PyDict_Check(param)){
+-            lpx_delete_prob(lp);
++            glp_delete_prob(lp);
+             PyErr_SetString(PyExc_AttributeError,
+                 "missing glpk.options dictionary");
+             return NULL;
+     }
+ 
+-    while (PyDict_Next(param, &pos, &key, &value))
++    glp_init_smcp(&smcp);
++    while (PyDict_Next(param, &pos, &key, &value)){
+ #if PY_MAJOR_VERSION >= 3
+-        if ((PyUnicode_Check(key)) && 
+-            get_param_idx(_PyUnicode_AsString(key), &param_id, 
+-            &param_type)){
++        if (PyUnicode_Check(key)){
+             keystr = _PyUnicode_AsString(key);
+ #else
+-        if ((keystr = PyString_AsString(key)) && get_param_idx(keystr,
+-            &param_id, &param_type)){
+-#endif
+-	    if (param_type == 'i'){
+-#if PY_MAJOR_VERSION >= 3
+-	        if (!PyLong_Check(value)){
+-#else
+-	        if (!PyInt_Check(value)){
+-#endif
+-                    sprintf(err_str, "invalid value for integer "
+-                        "GLPK parameter: %-.20s", keystr);
+-                    PyErr_SetString(PyExc_ValueError, err_str);
+-	            lpx_delete_prob(lp);
+-	            Py_DECREF(param);
+-                    return NULL;
+-	        }
+-                if (!strcmp("LPX_K_PRESOL", keystr) &&
+-#if PY_MAJOR_VERSION >= 3
+-                    PyLong_AS_LONG(value) != 1){
+-#else
+-                    PyInt_AS_LONG(value) != 1){
++        if ((keystr = PyString_AsString(key))){
+ #endif
++            if (!strcmp("LPX_K_MSGLEV", keystr)){
++                switch (PYINT_AS_LONG(value)){
++                    case 0: smcp.msg_lev = GLP_MSG_OFF; break;
++                    case 1: smcp.msg_lev = GLP_MSG_ERR; break;
++                    case 2: smcp.msg_lev = GLP_MSG_ON; break;
++                    case 3: smcp.msg_lev = GLP_MSG_ALL; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_SCALE", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: glp_unscale_prob(lp); break;
++                    case 1: glp_scale_prob(lp, GLP_SF_EQ); break;
++                    case 2: glp_scale_prob(lp, GLP_SF_GM); break;
++                    case 3: glp_scale_prob(lp, GLP_SF_GM | GLP_SF_EQ); break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_DUAL", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: smcp.meth = GLP_PRIMAL; break;
++                    case 1: smcp.meth = GLP_DUAL; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_PRICE", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: smcp.pricing = GLP_PT_STD; break;
++                    case 1: smcp.pricing = GLP_PT_PSE; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_RELAX", keystr)){
++                double relax = PyFloat_AsDouble(value);
++                if (relax < 0.0 || relax > 1.0)
++                    goto error;
++                smcp.r_test = (relax == 0.0) ? GLP_RT_STD : GLP_RT_HAR;
++            } else if (!strcmp("LPX_K_TOLBND", keystr)){
++                smcp.tol_bnd = PyFloat_AsDouble(value);
++                if (smcp.tol_bnd < DBL_EPSILON || smcp.tol_bnd > 0.001)
++                    goto error;
++            } else if (!strcmp("LPX_K_TOLDJ", keystr)){
++                smcp.tol_dj = PyFloat_AsDouble(value);
++                if (smcp.tol_dj < DBL_EPSILON || smcp.tol_dj > 0.001)
++                    goto error;
++            } else if (!strcmp("LPX_K_TOLPIV", keystr)){
++                smcp.tol_piv = PyFloat_AsDouble(value);
++                if (smcp.tol_piv < DBL_EPSILON || smcp.tol_piv > 0.001)
++                    goto error;
++            } else if (!strcmp("LPX_K_ROUND", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_OBJLL", keystr)){
++                smcp.obj_ll = PyFloat_AsDouble(value);
++            } else if (!strcmp("LPX_K_OBJUL", keystr)){
++                smcp.obj_ul = PyFloat_AsDouble(value);
++            } else if (!strcmp("LPX_K_ITLIM", keystr)){
++                smcp.it_lim = PYINT_AS_LONG(value);
++                if (smcp.it_lim < 0)
++                    smcp.it_lim = INT_MAX;
++            } else if (!strcmp("LPX_K_ITCNT", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TMLIM", keystr)){
++                smcp.tm_lim = (int)(PyFloat_AsDouble(value) * 1000.0);
++                if (smcp.tm_lim < 0)
++                    smcp.tm_lim = INT_MAX;
++            } else if (!strcmp("LPX_K_OUTFRQ", keystr)){
++                smcp.out_frq = PYINT_AS_LONG(value);
++                if (smcp.out_frq <= 0)
++                    goto error;
++            } else if (!strcmp("LPX_K_OUTDLY", keystr)){
++                smcp.out_dly = (int)(PyFloat_AsDouble(value) * 1000.0);
++            } else if (!strcmp("LPX_K_BRANCH", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_BTRACK", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TOLINT", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TOLOBJ", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSINFO", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSOBJ", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSORIG", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSWIDE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSFREE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSSKIP", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_LPTORIG", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_PRESOL", keystr)){
++                if (PYINT_AS_LONG(value) != 1)
+                     PyErr_Warn(PyExc_UserWarning, "ignoring value of "
+                         "GLPK parameter 'LPX_K_PRESOL'");
++            } else if (!strcmp("LPX_K_BINARIZE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_USECUTS", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_BFTYPE", keystr)){
++                glp_bfcp bfcp;
++
++                glp_get_bfcp(lp, &bfcp);
++                switch(PYINT_AS_LONG(value)){
++                    case 1: bfcp.type = GLP_BF_FT; break;
++                    case 2: bfcp.type = GLP_BF_BG; break;
++                    case 3: bfcp.type = GLP_BF_GR; break;
++                    default: goto error;
+                 }
+-                else lpx_set_int_parm(lp, param_id,
+-#if PY_MAJOR_VERSION >= 3
+-                    PyLong_AS_LONG(value));
+-#else
+-                    PyInt_AS_LONG(value));
+-#endif
+-	    }
+-	    else {
+-#if PY_MAJOR_VERSION >= 3
+-	        if (!PyLong_Check(value) && !PyFloat_Check(value)){
+-#else
+-	        if (!PyInt_Check(value) && !PyFloat_Check(value)){
+-#endif
+-                    sprintf(err_str, "invalid value for floating point "
+-                        "GLPK parameter: %-.20s", keystr);
+-                    PyErr_SetString(PyExc_ValueError, err_str);
+-	            lpx_delete_prob(lp);
+-	            Py_DECREF(param);
+-                    return NULL;
+-	        }
+-	        lpx_set_real_parm(lp, param_id,
+-                    PyFloat_AsDouble(value));
++                glp_set_bfcp(lp, &bfcp);
++            } else if (!strcmp("LPX_K_MIPGAP", keystr)){
++                /* Ignored */
++            } else {
++                sprintf(err_str, "unknown GLPK parameter: %-.20s", keystr);
++                PyErr_SetString(PyExc_ValueError, err_str);
++                glp_delete_prob(lp);
++                Py_DECREF(param);
++                return NULL;
+ 	    }
++        }
+     }
+-    lpx_set_int_parm(lp, LPX_K_PRESOL, 1);
++    smcp.presolve = GLP_ON;
+     Py_DECREF(param);
+ 
+-    switch (lpx_simplex(lp)){
++    switch (glp_simplex(lp, &smcp)){
+ 
+-        case LPX_E_OK:
++        case 0:
+ 
+             x = (matrix *) Matrix_New(n,1,DOUBLE);
+             z = (matrix *) Matrix_New(m,1,DOUBLE);
+@@ -329,71 +356,61 @@ static PyObject *simplex(PyObject *self,
+                 Py_XDECREF(z);
+                 Py_XDECREF(y);
+                 Py_XDECREF(t);
+-                lpx_delete_prob(lp);
++                glp_delete_prob(lp);
+                 return PyErr_NoMemory();
+             }
+ 
+-            PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("optimal"));
+-#else
+-                PyString_FromString("optimal"));
+-#endif
++            PyTuple_SET_ITEM(t, 0, (PyObject *)PYSTRING_FROMSTRING("optimal"));
+ 
+             for (i=0; i<n; i++)
+-                MAT_BUFD(x)[i] = lpx_get_col_prim(lp, i+1);
++                MAT_BUFD(x)[i] = glp_get_col_prim(lp, i+1);
+             PyTuple_SET_ITEM(t, 1, (PyObject *) x);
+ 
+             for (i=0; i<m; i++)
+-                MAT_BUFD(z)[i] = -lpx_get_row_dual(lp, i+1);
++                MAT_BUFD(z)[i] = -glp_get_row_dual(lp, i+1);
+             PyTuple_SET_ITEM(t, 2, (PyObject *) z);
+ 
+             if (A){
+                 for (i=0; i<p; i++)
+-                    MAT_BUFD(y)[i] = -lpx_get_row_dual(lp, m+i+1);
++                    MAT_BUFD(y)[i] = -glp_get_row_dual(lp, m+i+1);
+                 PyTuple_SET_ITEM(t, 3, (PyObject *) y);
+             }
+ 
+-            lpx_delete_prob(lp);
++            glp_delete_prob(lp);
+             return (PyObject *) t;
+ 
+-        case LPX_E_NOPFS:
++        case GLP_ENOPFS:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("primal infeasible"));
+-#else
+-                PyString_FromString("primal infeasible"));
+-#endif
++                PYSTRING_FROMSTRING("primal infeasible"));
+             break;
+ 
+-        case LPX_E_NODFS:
++        case GLP_ENODFS:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("dual infeasible"));
+-#else
+-                PyString_FromString("dual infeasible"));
+-#endif
++                PYSTRING_FROMSTRING("dual infeasible"));
+             break;
+ 
+         default:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("unknown"));
+-#else
+-                PyString_FromString("unknown"));
+-#endif
++                PYSTRING_FROMSTRING("unknown"));
+     }
+ 
+-    lpx_delete_prob(lp);
++    glp_delete_prob(lp);
+ 
+     PyTuple_SET_ITEM(t, 1, Py_BuildValue(""));
+     PyTuple_SET_ITEM(t, 2, Py_BuildValue(""));
+     if (A) PyTuple_SET_ITEM(t, 3, Py_BuildValue(""));
+ 
+     return (PyObject *) t;
++
++error:
++    sprintf(err_str, "invalid value for GLPK parameter: %-.20s", keystr);
++    PyErr_SetString(PyExc_ValueError, err_str);
++    glp_delete_prob(lp);
++    Py_DECREF(param);
++    return NULL;
+ }
+ 
+ 
+@@ -428,11 +445,12 @@ static PyObject *integer(PyObject *self,
+     matrix *c, *h, *b=NULL, *x=NULL;
+     PyObject *G, *A=NULL, *IntSet=NULL, *BinSet = NULL;
+     PyObject *t=NULL, *param, *key, *value;
+-    LPX *lp;
+-    int m, n, p, i, j, k, nnz, nnzmax, *rn=NULL, *cn=NULL, param_id;
++    glp_prob *lp;
++    glp_iocp iocp;
++    int m, n, p, i, j, k, nnz, nnzmax, *rn=NULL, *cn=NULL;
+     int_t pos=0;
+     double *a=NULL, val;
+-    char param_type, err_str[100]; 
++    char err_str[100]; 
+ #if PY_MAJOR_VERSION >= 3
+     const char *keystr;
+ #else
+@@ -490,18 +508,18 @@ static PyObject *integer(PyObject *self,
+     if ((BinSet) && (!PyAnySet_Check(BinSet)))
+       PY_ERR_TYPE("invalid binary index set");
+ 
+-    lp = lpx_create_prob();
+-    lpx_add_rows(lp, m+p);
+-    lpx_add_cols(lp, n);
++    lp = glp_create_prob();
++    glp_add_rows(lp, m+p);
++    glp_add_cols(lp, n);
+ 
+     for (i=0; i<n; i++){
+-        lpx_set_obj_coef(lp, i+1, MAT_BUFD(c)[i]);
+-        lpx_set_col_bnds(lp, i+1, LPX_FR, 0.0, 0.0);
++        glp_set_obj_coef(lp, i+1, MAT_BUFD(c)[i]);
++        glp_set_col_bnds(lp, i+1, GLP_FR, 0.0, 0.0);
+     }
+     for (i=0; i<m; i++)
+-        lpx_set_row_bnds(lp, i+1, LPX_UP, 0.0, MAT_BUFD(h)[i]);
++        glp_set_row_bnds(lp, i+1, GLP_UP, 0.0, MAT_BUFD(h)[i]);
+     for (i=0; i<p; i++)
+-        lpx_set_row_bnds(lp, i+m+1, LPX_FX, MAT_BUFD(b)[i],
++        glp_set_row_bnds(lp, i+m+1, GLP_FX, MAT_BUFD(b)[i],
+             MAT_BUFD(b)[i]);
+ 
+     nnzmax = (SpMatrix_Check(G) ? SP_NNZ(G) : m*n ) +
+@@ -510,7 +528,7 @@ static PyObject *integer(PyObject *self,
+     rn = (int *) calloc(nnzmax+1, sizeof(int));
+     cn = (int *) calloc(nnzmax+1, sizeof(int));
+     if (!a || !rn || !cn){
+-        free(a);  free(rn);  free(cn);  lpx_delete_prob(lp);
++        free(a);  free(rn);  free(cn);  glp_delete_prob(lp);
+         return PyErr_NoMemory();
+     }
+ 
+@@ -549,77 +567,152 @@ static PyObject *integer(PyObject *self,
+             nnz++;
+         }
+ 
+-    lpx_load_matrix(lp, nnz, rn, cn, a);
++    glp_load_matrix(lp, nnz, rn, cn, a);
+     free(rn);  free(cn);  free(a);
+ 
+     if (!(t = PyTuple_New(2))) {
+-        lpx_delete_prob(lp);
++        glp_delete_prob(lp);
+         return PyErr_NoMemory();
+     }
+ 
+     if (!(param = PyObject_GetAttrString(glpk_module, "options"))
+         || !PyDict_Check(param)){
+-            lpx_delete_prob(lp);
++            glp_delete_prob(lp);
+             PyErr_SetString(PyExc_AttributeError,
+                 "missing glpk.options dictionary");
+             return NULL;
+     }
+ 
+-    while (PyDict_Next(param, &pos, &key, &value))
+-#if PY_MAJOR_VERSION >= 3
+-        if ((PyUnicode_Check(key)) && (keystr = PyUnicode_AS_DATA(key)) 
+-            && get_param_idx(keystr, &param_id, &param_type)){
+-#else
+-        if ((keystr = PyString_AsString(key)) && get_param_idx(keystr,
+-            &param_id, &param_type)){
+-#endif
+-	    if (param_type == 'i'){
+-#if PY_MAJOR_VERSION >= 3
+-	        if (!PyLong_Check(value)){
+-#else
+-	        if (!PyInt_Check(value)){
+-#endif
+-                    sprintf(err_str, "invalid value for integer "
+-                        "GLPK parameter: %-.20s", keystr);
+-                    PyErr_SetString(PyExc_ValueError, err_str);
+-	            lpx_delete_prob(lp);
+-	            Py_DECREF(param);
+-                    return NULL;
+-	        }
+-                if (!strcmp("LPX_K_PRESOL", keystr) &&
++    glp_init_iocp(&iocp);
++    while (PyDict_Next(param, &pos, &key, &value)) {
+ #if PY_MAJOR_VERSION >= 3
+-                    PyLong_AS_LONG(value) != 1){
++        if ((PyUnicode_Check(key)) && (keystr = PyUnicode_AS_DATA(key))){
+ #else
+-                    PyInt_AS_LONG(value) != 1){
++        if ((keystr = PyString_AsString(key))){
+ #endif
++            if (!strcmp("LPX_K_MSGLEV", keystr)){
++                switch (PYINT_AS_LONG(value)){
++                    case 0: iocp.msg_lev = GLP_MSG_OFF; break;
++                    case 1: iocp.msg_lev = GLP_MSG_ERR; break;
++                    case 2: iocp.msg_lev = GLP_MSG_ON; break;
++                    case 3: iocp.msg_lev = GLP_MSG_ALL; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_SCALE", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: glp_unscale_prob(lp); break;
++                    case 1: glp_scale_prob(lp, GLP_SF_EQ); break;
++                    case 2: glp_scale_prob(lp, GLP_SF_GM); break;
++                    case 3: glp_scale_prob(lp, GLP_SF_GM | GLP_SF_EQ); break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_DUAL", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_PRICE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_RELAX", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TOLBND", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TOLDJ", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TOLPIV", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_ROUND", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_OBJLL", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_OBJUL", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_ITLIM", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_ITCNT", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_TMLIM", keystr)){
++                iocp.tm_lim = (int)(PyFloat_AsDouble(value) * 1000.0);
++                if (iocp.tm_lim < 0)
++                    iocp.tm_lim = INT_MAX;
++            } else if (!strcmp("LPX_K_OUTFRQ", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_OUTDLY", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_BRANCH", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: iocp.br_tech = GLP_BR_FFV; break;
++                    case 1: iocp.br_tech = GLP_BR_LFV; break;
++                    case 2: iocp.br_tech = GLP_BR_DTH; break;
++                    case 3: iocp.br_tech = GLP_BR_MFV; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_BTRACK", keystr)){
++                switch(PYINT_AS_LONG(value)){
++                    case 0: iocp.bt_tech = GLP_BT_DFS; break;
++                    case 1: iocp.bt_tech = GLP_BT_BFS; break;
++                    case 2: iocp.bt_tech = GLP_BT_BPH; break;
++                    case 3: iocp.bt_tech = GLP_BT_BLB; break;
++                    default: goto error;
++                }
++            } else if (!strcmp("LPX_K_TOLINT", keystr)){
++                iocp.tol_int = PyFloat_AsDouble(value);
++                if (iocp.tol_int < DBL_EPSILON || iocp.tol_int > 0.001)
++                    goto error;
++            } else if (!strcmp("LPX_K_TOLOBJ", keystr)){
++                iocp.tol_obj = PyFloat_AsDouble(value);
++                if (iocp.tol_obj < DBL_EPSILON || iocp.tol_obj > 0.001)
++                    goto error;
++            } else if (!strcmp("LPX_K_MPSINFO", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSOBJ", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSORIG", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSWIDE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSFREE", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_MPSSKIP", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_LPTORIG", keystr)){
++                /* Ignored */
++            } else if (!strcmp("LPX_K_PRESOL", keystr)){
++                if (PYINT_AS_LONG(value) != 1)
+                     PyErr_Warn(PyExc_UserWarning, "ignoring value of "
+                         "GLPK parameter 'LPX_K_PRESOL'");
++            } else if (!strcmp("LPX_K_BINARIZE", keystr)){
++                iocp.binarize = (PYINT_AS_LONG(value) == 0) ? GLP_OFF : GLP_ON;
++            } else if (!strcmp("LPX_K_USECUTS", keystr)){
++                int cuts = PYINT_AS_LONG(value);
++                if (cuts & ~0xFF)
++                    goto error;
++                iocp.cov_cuts = (cuts & 1) ? GLP_ON : GLP_OFF;
++                iocp.clq_cuts = (cuts & 2) ? GLP_ON : GLP_OFF;
++                iocp.gmi_cuts = (cuts & 4) ? GLP_ON : GLP_OFF;
++                iocp.mir_cuts = (cuts & 8) ? GLP_ON : GLP_OFF;
++            } else if (!strcmp("LPX_K_BFTYPE", keystr)){
++                glp_bfcp bfcp;
++
++                glp_get_bfcp(lp, &bfcp);
++                switch(PYINT_AS_LONG(value)){
++                    case 1: bfcp.type = GLP_BF_FT; break;
++                    case 2: bfcp.type = GLP_BF_BG; break;
++                    case 3: bfcp.type = GLP_BF_GR; break;
++                    default: goto error;
+                 }
+-                else 
+-#if PY_MAJOR_VERSION >= 3
+-                    lpx_set_int_parm(lp, param_id, PyLong_AS_LONG(value));
+-#else
+-                    lpx_set_int_parm(lp, param_id, PyInt_AS_LONG(value));
+-#endif
+-	    }
+-	    else {
+-#if PY_MAJOR_VERSION >= 3
+-	        if (!PyLong_Check(value) && !PyFloat_Check(value)){
+-#else
+-	        if (!PyInt_Check(value) && !PyFloat_Check(value)){
+-#endif
+-                    sprintf(err_str, "invalid value for floating point "
+-                        "GLPK parameter: %-.20s", keystr);
+-                    PyErr_SetString(PyExc_ValueError, err_str);
+-	            lpx_delete_prob(lp);
+-	            Py_DECREF(param);
+-                    return NULL;
+-	        }
+-	        lpx_set_real_parm(lp, param_id,
+-                    PyFloat_AsDouble(value));
++                glp_set_bfcp(lp, &bfcp);
++            } else if (!strcmp("LPX_K_MIPGAP", keystr)){
++                iocp.mip_gap = PyFloat_AsDouble(value);
++                if (iocp.mip_gap < 0.0)
++                    goto error;
++            } else {
++                sprintf(err_str, "unknown GLPK parameter: %-.20s", keystr);
++                PyErr_SetString(PyExc_ValueError, err_str);
++                glp_delete_prob(lp);
++                Py_DECREF(param);
++                return NULL;
+ 	    }
++        }
+     }
+-    lpx_set_int_parm(lp, LPX_K_PRESOL, 1);
++    iocp.presolve = GLP_ON;
+     Py_DECREF(param);
+ 
+     if (IntSet) {
+@@ -628,22 +721,14 @@ static PyObject *integer(PyObject *self,
+       for (i=0; i<PySet_GET_SIZE(IntSet); i++) {
+ 
+ 	PyObject *tmp = PySequence_Fast_GET_ITEM(iter, i);
+-#if PY_MAJOR_VERSION >= 3
+-	if (!PyLong_Check(tmp)) {
+-#else
+-	if (!PyInt_Check(tmp)) {
+-#endif
+-	  lpx_delete_prob(lp);
++	if (!PYINT_CHECK(tmp)) {
++	  glp_delete_prob(lp);
+ 	  Py_DECREF(iter);
+ 	  PY_ERR_TYPE("non-integer element in I");
+ 	}
+-#if PY_MAJOR_VERSION >= 3
+-	int k = PyLong_AS_LONG(tmp);
+-#else
+-	int k = PyInt_AS_LONG(tmp);
+-#endif
++	int k = PYINT_AS_LONG(tmp);
+ 	if ((k < 0) || (k >= n)) {
+-	  lpx_delete_prob(lp);
++	  glp_delete_prob(lp);
+ 	  Py_DECREF(iter);
+ 	  PY_ERR(PyExc_IndexError, "index element out of range in I");
+ 	}
+@@ -659,22 +744,14 @@ static PyObject *integer(PyObject *self,
+       for (i=0; i<PySet_GET_SIZE(BinSet); i++) {
+ 
+ 	PyObject *tmp = PySequence_Fast_GET_ITEM(iter, i);
+-#if PY_MAJOR_VERSION >= 3
+-	if (!PyLong_Check(tmp)) {
+-#else
+-	if (!PyInt_Check(tmp)) {
+-#endif
+-	  lpx_delete_prob(lp);
++	if (!PYINT_CHECK(tmp)) {
++	  glp_delete_prob(lp);
+ 	  Py_DECREF(iter);
+ 	  PY_ERR_TYPE("non-binary element in I");
+ 	}
+-#if PY_MAJOR_VERSION >= 3
+-	int k = PyLong_AS_LONG(tmp);
+-#else
+-	int k = PyInt_AS_LONG(tmp);
+-#endif
++	int k = PYINT_AS_LONG(tmp);
+ 	if ((k < 0) || (k >= n)) {
+-	  lpx_delete_prob(lp);
++	  glp_delete_prob(lp);
+ 	  Py_DECREF(iter);
+ 	  PY_ERR(PyExc_IndexError, "index element out of range in B");
+ 	}
+@@ -686,117 +763,92 @@ static PyObject *integer(PyObject *self,
+     }
+ 
+ 
++    switch (glp_intopt(lp, &iocp)){
+ 
+-    switch (lpx_intopt(lp)){
+-
+-        case LPX_E_OK:
++        case 0:
+ 
+             x = (matrix *) Matrix_New(n,1,DOUBLE);
+             if (!x) {
+                 Py_XDECREF(t);
+-                lpx_delete_prob(lp);
++                glp_delete_prob(lp);
+                 return PyErr_NoMemory();
+             }
+-            PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("optimal"));
+-#else
+-                PyString_FromString("optimal"));
+-#endif
++            PyTuple_SET_ITEM(t, 0, (PyObject *)PYSTRING_FROMSTRING("optimal"));
+ 
+             for (i=0; i<n; i++)
+-                MAT_BUFD(x)[i] = lpx_mip_col_val(lp, i+1);
++                MAT_BUFD(x)[i] = glp_mip_col_val(lp, i+1);
+             PyTuple_SET_ITEM(t, 1, (PyObject *) x);
+ 
+-            lpx_delete_prob(lp);
++            glp_delete_prob(lp);
+             return (PyObject *) t;
+ 
+-        case LPX_E_TMLIM:
++        case GLP_ETMLIM:
+ 
+             x = (matrix *) Matrix_New(n,1,DOUBLE);
+             if (!x) {
+                 Py_XDECREF(t);
+-                lpx_delete_prob(lp);
++                glp_delete_prob(lp);
+                 return PyErr_NoMemory();
+             }
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("time limit exceeded"));
+-#else
+-                PyString_FromString("time limit exceeded"));
+-#endif
++                PYSTRING_FROMSTRING("time limit exceeded"));
+ 
+             for (i=0; i<n; i++)
+-                MAT_BUFD(x)[i] = lpx_mip_col_val(lp, i+1);
++                MAT_BUFD(x)[i] = glp_mip_col_val(lp, i+1);
+             PyTuple_SET_ITEM(t, 1, (PyObject *) x);
+ 
+-            lpx_delete_prob(lp);
++            glp_delete_prob(lp);
+             return (PyObject *) t;
+ 
+ 
+-        case LPX_E_FAULT:
++        case GLP_EBADB:
++        case GLP_ECOND:
++        case GLP_EBOUND:
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("invalid MIP formulation"));
+-#else
+-                PyString_FromString("invalid MIP formulation"));
+-#endif
++                PYSTRING_FROMSTRING("invalid MIP formulation"));
+             break;
+ 
+-	case LPX_E_NOPFS:
++	case GLP_ENOPFS:
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("primal infeasible"));
+-#else
+-                PyString_FromString("primal infeasible"));
+-#endif
++                PYSTRING_FROMSTRING("primal infeasible"));
+             break;
+ 
+-	case LPX_E_NODFS:
++	case GLP_ENODFS:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("dual infeasible"));
+-#else
+-                PyString_FromString("dual infeasible"));
+-#endif
++                PYSTRING_FROMSTRING("dual infeasible"));
+             break;
+ 
+-        case LPX_E_ITLIM:
++        case GLP_EITLIM:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("maxiters exceeded"));
+-#else
+-                PyString_FromString("maxiters exceeded"));
+-#endif
++                PYSTRING_FROMSTRING("maxiters exceeded"));
+             break;
+ 
+-	case LPX_E_SING:
++	case GLP_ESING:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("singular or ill-conditioned basis"));
+-#else
+-                PyString_FromString("singular or ill-conditioned basis"));
+-#endif
++                PYSTRING_FROMSTRING("singular or ill-conditioned basis"));
+             break;
+ 
+ 
+         default:
+ 
+             PyTuple_SET_ITEM(t, 0, (PyObject *)
+-#if PY_MAJOR_VERSION >= 3
+-                PyUnicode_FromString("unknown"));
+-#else
+-                PyString_FromString("unknown"));
+-#endif
++                PYSTRING_FROMSTRING("unknown"));
+     }
+ 
+-    lpx_delete_prob(lp);
++    glp_delete_prob(lp);
+ 
+     PyTuple_SET_ITEM(t, 1, Py_BuildValue(""));
+     return (PyObject *) t;
++
++error:
++    sprintf(err_str, "invalid value for GLPK parameter: %-.20s", keystr);
++    PyErr_SetString(PyExc_ValueError, err_str);
++    glp_delete_prob(lp);
++    Py_DECREF(param);
++    return NULL;
+ }
+ 
+ 
diff --git a/dev-python/cvxopt/metadata.xml b/dev-python/cvxopt/metadata.xml
index 2e5db1fcde1d..3255645ec596 100644
--- a/dev-python/cvxopt/metadata.xml
+++ b/dev-python/cvxopt/metadata.xml
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-  <herd>sci-mathematics</herd>
-  <longdescription lang="en">
+<herd>sci-mathematics</herd>
+<longdescription lang="en">
   CVXOPT is a software for convex optimization based on
   the Python programming language. Its main purpose is to make the
   development of software for convex optimization applications
   straightforward.
 </longdescription>
-  <use>
-    <flag name="glpk">Use GNU Linear Programming Kit
-  <pkg>sci-mathematics/glpk</pkg></flag>
-    <flag name="dsdp">Use interior point library
+<use>
+  <flag name="dsdp">Use interior point library
   <pkg>sci-libs/dsdp</pkg></flag>
-  </use>
+  <flag name="glpk">Use GNU Linear Programming Kit
+  <pkg>sci-mathematics/glpk</pkg></flag>
+</use>
 </pkgmetadata>