New port: math/py-pynleq2: Python binding for NLEQ2 algorithm's fortran implementation

5 files changed, 77 insertions, 0 deletions

diff --git a/math/Makefile b/math/Makefile
index 4062a40eb2cd..8caf47cd3860 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -675,6 +675,7 @@
     SUBDIR += py-pymc
     SUBDIR += py-pymc3
     SUBDIR += py-pyneqsys
+    SUBDIR += py-pynleq2
     SUBDIR += py-pyodesys
     SUBDIR += py-pysparse
     SUBDIR += py-pysym
diff --git a/math/py-pynleq2/Makefile b/math/py-pynleq2/Makefile
new file mode 100644
index 000000000000..fb366ecc734a
--- /dev/null
+++ b/math/py-pynleq2/Makefile
@@ -0,0 +1,37 @@
+# $FreeBSD$
+
+PORTNAME=	pynleq2
+DISTVERSION=	0.0.2
+CATEGORIES=	math python
+MASTER_SITES=	CHEESESHOP \
+		https://github.com/PySCeS/pysces/archive/:fortran
+PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
+DISTFILES=	${PORTNAME}-${DISTVERSION}${EXTRACT_SUFX} \
+		${PYSCES_VERSION}${EXTRACT_SUFX}:fortran
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	Python binding for NLEQ2 algorithm's fortran implementation
+
+LICENSE=	BSD2CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+BUILD_DEPENDS=	${PYNUMPY}
+
+USES=		fortran:flang python
+USE_PYTHON=	distutils autoplist
+
+BINARY_ALIAS=	gfortran6=flang # it keeps using gfortran6 regardless of the environment variables and arguments
+
+PYSCES_VERSION=	0.9.5
+FORTRAN_FILES=	linalg_nleq2.f nleq2.f wnorm.f zibconst.f zibmon.f zibsec.f
+
+pre-build: # compile fortran files into a static library because distutils fails while doing this
+	@${MKDIR} ${WRKDIR}/.fbuild && \
+		cd ${WRKDIR}/.fbuild && \
+		flang -c ${CFLAGS} -fPIC ${FORTRAN_FILES:C/^/${WRKDIR}\/pysces-${PYSCES_VERSION}\/pysces\/nleq2\//} && \
+		${AR} -qc libff.a ${FORTRAN_FILES:S/.f/.o/}
+
+post-install:
+	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/${PORTNAME}/nleq2.so
+
+.include <bsd.port.mk>
diff --git a/math/py-pynleq2/distinfo b/math/py-pynleq2/distinfo
new file mode 100644
index 000000000000..3d2edac876ef
--- /dev/null
+++ b/math/py-pynleq2/distinfo
@@ -0,0 +1,5 @@
+TIMESTAMP = 1522600966
+SHA256 (pynleq2-0.0.2.tar.gz) = b9be75bb7def34cd7a82aed87b70f6c3c9f4602cbe9e8d4fcf43a4aae241112d
+SIZE (pynleq2-0.0.2.tar.gz) = 6219
+SHA256 (0.9.5.tar.gz) = 14131578b36154593ee5e793b3886572746209dcc3d9ed5ef3787a3476876cf6
+SIZE (0.9.5.tar.gz) = 2119094
diff --git a/math/py-pynleq2/files/patch-setup.py b/math/py-pynleq2/files/patch-setup.py
new file mode 100644
index 000000000000..036483b8c3fe
--- /dev/null
+++ b/math/py-pynleq2/files/patch-setup.py
@@ -0,0 +1,27 @@
+--- setup.py.orig	2015-10-20 14:54:08 UTC
++++ setup.py
+@@ -75,19 +75,21 @@ if len(sys.argv) > 1 and '--help' not in
+ 
+     for src, md5sum in zip(sources, md5sums):
+         srcpath = os.path.join('nleq2', src)
+-        if not os.path.exists(srcpath):
++        if False and not os.path.exists(srcpath):
+             NLEQ2_URL = os.environ.get('PYNLEQ2_NLEQ2_ROOT_URL', None)
+             if NLEQ2_URL:
+                 download(NLEQ2_URL+src, srcpath)
+             else:
+                 fmtstr = "Could not find: %s ($PYNLEQ2_NLEQ2_ROOT_URL not set)"
+                 raise ValueError(fmtstr % src)
+-        if md5_of_file(srcpath).hexdigest() != md5sum:
++        if False and md5_of_file(srcpath).hexdigest() != md5sum:
+             raise ValueError("Mismatching MD5 sum for %s" % srcpath)
+ 
+     ext_modules = [
+         Extension('pynleq2.nleq2', [os.path.join('nleq2', f)
+-                                    for f in ('nleq2.pyf',) + sources])
++                                    for f in ('nleq2.pyf',)]
++                                   , libraries=['ff', 'flang', 'execinfo']
++                                   , library_dirs=['../.fbuild', '/usr/local/flang/lib'])
+     ]
+ 
+ PYNLEQ2_RELEASE_VERSION = os.environ.get('PYNLEQ2_RELEASE_VERSION', '')
diff --git a/math/py-pynleq2/pkg-descr b/math/py-pynleq2/pkg-descr
new file mode 100644
index 000000000000..a6c81068c5ff
--- /dev/null
+++ b/math/py-pynleq2/pkg-descr
@@ -0,0 +1,7 @@
+pynleq2 provides a Python binding to the NLEQ2 algorithm from CodeLib
+distributed by Zuse Institute Berlin (ZIB).
+
+pynleq2 can be used as a backend for pyneqsys (math/py-pyneqsys)
+to solve non-linear symbolic equation systems.
+
+WWW: https://github.com/bjodah/pynleq2