Imported recent work on several astronomy packages

With this commit, Raul's work on the installation of several astronomy
software is implemented in the main template.

9 files changed, 285 insertions, 29 deletions

diff --git a/reproduce/analysis/make/paper.mk b/reproduce/analysis/make/paper.mk
index 5378ee3..549b7c0 100644
--- a/reproduce/analysis/make/paper.mk
+++ b/reproduce/analysis/make/paper.mk
@@ -90,7 +90,7 @@ $(mtexdir)/project.tex: $(foreach s, $(subst paper,,$(makesrc)), $(mtexdir)/$(s)
 # recipe and the `paper.pdf' recipe. But if `tex/src/references.tex' hasn't
 # been modified, we don't want to re-build the bibliography, only the final
 # PDF.
-$(texbdir)/paper.bbl: tex/src/references.tex                         \
+$(texbdir)/paper.bbl: tex/src/references.tex $(mtexdir)/dependencies-bib.tex \
                       | $(tikzdir) $(texbdir) $(mtexdir)/project.tex
         # If `$(mtexdir)/project.tex' is empty, don't build PDF.
 	@macros=$$(cat $(mtexdir)/project.tex)
diff --git a/reproduce/software/bibtex/astrometrynet.tex b/reproduce/software/bibtex/astrometrynet.tex
new file mode 100644
index 0000000..8bbaceb
--- /dev/null
+++ b/reproduce/software/bibtex/astrometrynet.tex
@@ -0,0 +1,20 @@
+%% Copyright (C) 2019 Raul Infante-Sainz <infantesainz@gmail.com>
+%%
+%% Copying and distribution of this file, with or without modification,
+%% are permitted in any medium without royalty provided the copyright
+%% notice and this notice are preserved.  This file is offered as-is,
+%% without any warranty.
+
+@ARTICLE{astrometrynet,
+	doi = {10.1088/0004-6256/139/5/1782},
+	url = {https://doi.org/10.1088%2F0004-6256%2F139%2F5%2F1782},
+	year = 2010,
+	month = {mar},
+	publisher = {{IOP} Publishing},
+	volume = {139},
+	number = {5},
+	pages = {1782},
+	author = {Dustin Lang and David W. Hogg and Keir Mierle and Michael Blanton and Sam Roweis},
+	title = {{ASTROMETRY}.{NET}: {BLIND} {ASTROMETRIC} {CALIBRATION} {OF} {ARBITRARY} {ASTRONOMICAL} {IMAGES}},
+	journal = {AJ}
+}
diff --git a/reproduce/software/bibtex/scamp.tex b/reproduce/software/bibtex/scamp.tex
new file mode 100644
index 0000000..8d825d7
--- /dev/null
+++ b/reproduce/software/bibtex/scamp.tex
@@ -0,0 +1,18 @@
+%% Copyright (C) 2019 Raul Infante-Sainz <infantesainz@gmail.com>
+%%
+%% Copying and distribution of this file, with or without modification,
+%% are permitted in any medium without royalty provided the copyright
+%% notice and this notice are preserved.  This file is offered as-is,
+%% without any warranty.
+
+@ARTICLE{scamp,
+   author = {{Bertin}, E.},
+    title = "{Automatic Astrometric and Photometric Calibration with SCAMP}",
+     year = 2006,
+   journal= {ASPConf},
+   volume = 351,
+    month = jul,
+    pages = {112},
+   adsurl = {http://cdsads.u-strasbg.fr/abs/2006ASPC..351..112B},
+  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
+}
diff --git a/reproduce/software/bibtex/sextractor.tex b/reproduce/software/bibtex/sextractor.tex
new file mode 100644
index 0000000..90d3eff
--- /dev/null
+++ b/reproduce/software/bibtex/sextractor.tex
@@ -0,0 +1,18 @@
+%% Copyright (C) 2019 Raul Infante-Sainz <infantesainz@gmail.com>
+%%
+%% Copying and distribution of this file, with or without modification,
+%% are permitted in any medium without royalty provided the copyright
+%% notice and this notice are preserved.  This file is offered as-is,
+%% without any warranty.
+
+@article{sextractor,
+    author = {{Bertin, E.} and {Arnouts, S.}},
+    title = {SExtractor: Software for source extraction},
+    DOI= "10.1051/aas:1996164",
+    url= "https://doi.org/10.1051/aas:1996164",
+    journal = {AASS},
+    year = 1996,
+    volume = 117,
+    number = 2,
+    pages = "393",
+}
diff --git a/reproduce/software/bibtex/swarp.tex b/reproduce/software/bibtex/swarp.tex
new file mode 100644
index 0000000..3ff9b91
--- /dev/null
+++ b/reproduce/software/bibtex/swarp.tex
@@ -0,0 +1,18 @@
+%% Copyright (C) 2019 Raul Infante-Sainz <infantesainz@gmail.com>
+%%
+%% Copying and distribution of this file, with or without modification,
+%% are permitted in any medium without royalty provided the copyright
+%% notice and this notice are preserved.  This file is offered as-is,
+%% without any warranty.
+
+@ARTICLE{swarp,
+   author = {{Bertin}, E. and {Mellier}, Y. and {Radovich}, M. and {Missonnier}, G. and
+    {Didelon}, P. and {Morin}, B.},
+  journal = {ASPConf},
+    title = "{The TERAPIX Pipeline}",
+     year = {2002},
+   volume = {281},
+    pages = {228},
+   adsurl = {http://adsabs.harvard.edu/abs/2002ASPC..281..228B},
+  adsnote = {Provided by the SAO/NASA Astrophysics Data System}
+}
diff --git a/reproduce/software/config/installation/versions.mk b/reproduce/software/config/installation/versions.mk
index 149f9ae..5761165 100644
--- a/reproduce/software/config/installation/versions.mk
+++ b/reproduce/software/config/installation/versions.mk
@@ -17,9 +17,12 @@
 # <http://www.gnu.org/licenses/>.
 
 # C/C++ programs and libraries.
+astrometrynet-version      = 0.77
 atlas-version              = 3.10.3
 bash-version               = 5.0
 binutils-version           = 2.31.1
+cairo-version              = 1.16.0
+cdsclient-version          = 3.84
 cfitsio-version            = 3.45
 cmake-version              = 3.14.2
 coreutils-version          = 8.31
@@ -44,9 +47,9 @@ isl-version                = 0.18
 libbsd-version             = 0.9.1
 libffi-version             = 3.2.1
 libjpeg-version            = v9b
-libpng-version             = 1.6.36
 libtiff-version            = 4.0.10
 libtool-version            = 2.4.6
+libxml2-version            = 2.9.9
 lzip-version               = 1.20
 m4-version                 = 1.4.18
 make-version               = 4.2.90
@@ -54,14 +57,20 @@ metastore-version          = 1.1.2-23-fa9170b
 mpfr-version               = 4.0.2
 mpc-version                = 1.1.0
 ncurses-version            = 6.1
+netpbm-version             = 10.47.72
 openblas-version           = 0.3.5
 openmpi-version            = 4.0.1
 openssl-version            = 1.1.1a
 patchelf-version           = 0.9
+pixman-version             = 0.38.0
 pkgconfig-version          = 0.29.2
 python-version             = 3.7.3
 readline-version           = 8.0
+scamp-version              = 2.6.7
 sed-version                = 4.7
+sextractor-version         = 2.25.0
+swarp-version              = 2.38.0
+swig-version               = 3.0.12
 tar-version                = 1.32
 unzip-version              = 6.0
 wget-version               = 1.20.3
@@ -75,10 +84,12 @@ zlib-version               = 1.2.11
 #
 # When updating the version of these libraries, please look into the build
 # rule first: In one way or another, the version string becomes necessary
-# during their build and must be accounted for.
+# during their build and must be accounted for. In particular:
+#  `libpng' is downgraded because `netpbm' requires `libpng' version < 1.5
 bzip2-version              = 1.0.6
 lapack-version             = 3.8.0
 libgit2-version            = 0.26.0
+libpng-version             = 1.4.22
 wcslib-version             = 6.2
 
 # Python packages
diff --git a/reproduce/software/make/basic.mk b/reproduce/software/make/basic.mk
index cfa05d2..6e6550e 100644
--- a/reproduce/software/make/basic.mk
+++ b/reproduce/software/make/basic.mk
@@ -830,6 +830,7 @@ ifeq ($(host_cc),1)
 gcc-prerequisites =
 else
 gcc-prerequisites = $(tdir)/gcc-$(gcc-version).tar.xz \
+                    $(ibidir)/binutils                \
                     $(ilidir)/isl                     \
                     $(ilidir)/mpc
 endif
@@ -854,6 +855,8 @@ $(ibidir)/gcc: $(gcc-prerequisites)   \
 	  $(call makelink,gcc);                                            \
 	  $(call makelink,g++,mandatory);                                  \
 	  $(call makelink,gfortran,mandatory);                             \
+	  $(call makelink,strip,mandatory);                                \
+	  ln -sf $$(which gcc) $(ibdir)/cc;                                \
 	  ccinfo=$$(gcc --version | awk 'NR==1');                          \
 	  echo "C compiler (""$$ccinfo"")" > $@;                           \
 	else                                                               \
@@ -898,6 +901,7 @@ $(ibidir)/gcc: $(gcc-prerequisites)   \
 	           patchelf --set-rpath $(ildir) $$f;                      \
 	         fi;                                                       \
 	       done;                                                       \
-	     fi                                                            \
+	     fi;                                                           \
+	  ln -sf $(ibdir)/gcc $(ibdir)/cc                                  \
 	  && echo "GNU Compiler Collection (GCC) $(gcc-version)" > $@;     \
 	fi
diff --git a/reproduce/software/make/high-level.mk b/reproduce/software/make/high-level.mk
index f7b1f4f..cff2ff8 100644
--- a/reproduce/software/make/high-level.mk
+++ b/reproduce/software/make/high-level.mk
@@ -50,9 +50,18 @@ ipydir  = $(BDIR)/software/installed/version-info/python
 # high level software depend on it. The current rule for ATLAS is tested
 # successfully on Mac (only static) and GNU/Linux (shared and static). But,
 # since it takes a few hours to build, it is not currently a target.
-top-level-libraries = # atlas
-top-level-python    = astroquery matplotlib
-top-level-programs  = gnuastro metastore
+
+# About available software/libraries: currently the template has rules for
+# installing software that are widely used in science, and in particular in
+# astrophysics.  However, not all of these software will be used for all
+# people interested in this template.  Due to that, we put some of what we
+# consider the main software as optional software of the template (to see a
+# complete list of all software/libraries, look at the version number
+# Makefile). If that software is needed, just remove the comment `#' to
+# install it.
+top-level-libraries =                       # atlas
+top-level-programs  = gnuastro metastore    # astrometrynet scamp sextractor swarp
+top-level-python    = numpy                 # astropy astroquery matplotlib scipy
 all: $(foreach p, $(top-level-libraries), $(ilidir)/$(p)) \
      $(foreach p, $(top-level-programs),  $(ibidir)/$(p)) \
      $(foreach p, $(top-level-python),    $(ipydir)/$(p)) \
@@ -114,8 +123,11 @@ include reproduce/software/make/python.mk
 # convention, but include the name/version in their tarball names with
 # another format, we'll do the modification before the download so the
 # downloaded file has our desired format.
-tarballs = $(foreach t, cfitsio-$(cfitsio-version).tar.gz                  \
+tarballs = $(foreach t, astrometry.net-$(astrometrynet-version).tar.gz     \
                         atlas-$(atlas-version).tar.bz2                     \
+                        cairo-$(cairo-version).tar.xz                      \
+                        cdsclient-$(cdsclient-version).tar.gz              \
+                        cfitsio-$(cfitsio-version).tar.gz                  \
                         cmake-$(cmake-version).tar.gz                      \
                         curl-$(curl-version).tar.gz                        \
                         freetype-$(freetype-version).tar.gz                \
@@ -131,9 +143,16 @@ tarballs = $(foreach t, cfitsio-$(cfitsio-version).tar.gz                  \
                         libbsd-$(libbsd-version).tar.xz                    \
                         libpng-$(libpng-version).tar.xz                    \
                         libgit2-$(libgit2-version).tar.gz                  \
+                        libxml2-$(libxml2-version).tar.gz                  \
                         metastore-$(metastore-version).tar.gz              \
+                        netpbm-$(netpbm-version).tgz                       \
                         openmpi-$(openmpi-version).tar.gz                  \
                         openblas-$(openblas-version).tar.gz                \
+                        pixman-$(pixman-version).tar.gz                    \
+                        scamp-$(scamp-version).tar.lz                      \
+                        sextractor-$(sextractor-version).tar.lz            \
+                        swarp-$(swarp-version).tar.gz                      \
+                        swig-$(swig-version).tar.gz                        \
                         tiff-$(libtiff-version).tar.gz                     \
                         wcslib-$(wcslib-version).tar.bz2                   \
                       , $(tdir)/$(t) )
@@ -157,9 +176,12 @@ $(tarballs): $(tdir)/%: | $(lockdir)
 	                                 : (l==2 ? "%d00\n"           \
                                             : "%d000\n") ), $$1)}')
 	    w=https://heasarc.gsfc.nasa.gov/FTP/software/fitsio/c/cfitsio$$v.tar.gz
+	  elif [ $$n = astrometry  ]; then w=http://astrometry.net/downloads
 	  elif [ $$n = atlas       ]; then
 	    mergenames=0
 	    w=https://sourceforge.net/projects/math-atlas/files/Stable/$(atlas-version)/atlas$(atlas-version).tar.bz2/download
+	  elif [ $$n = cairo       ]; then w=https://www.cairographics.org/releases
+	  elif [ $$n = cdsclient   ]; then w=http://cdsarc.u-strasbg.fr/ftp/pub/sw
 	  elif [ $$n = cmake       ]; then
 	    mergenames=0
 	    majv=$$(echo $(cmake-version) \
@@ -185,7 +207,11 @@ $(tarballs): $(tdir)/%: | $(lockdir)
 	  elif [ $$n = libgit      ]; then
 	    mergenames=0
 	    w=https://github.com/libgit2/libgit2/archive/v$(libgit2-version).tar.gz
+	  elif [ $$n = libxml      ]; then w=ftp://xmlsoft.org/libxml2
 	  elif [ $$n = metastore   ]; then w=http://akhlaghi.org/src
+	  elif [ $$n = netpbm      ]; then
+	    mergenames=0
+		w=https://sourceforge.net/projects/netpbm/files/super_stable/$(netpbm-version)/netpbm-$(netpbm-version).tgz/download
 	  elif [ $$n = openblas    ]; then
 	    mergenames=0
 	    w=https://github.com/xianyi/OpenBLAS/archive/v$(openblas-version).tar.gz
@@ -193,6 +219,11 @@ $(tarballs): $(tdir)/%: | $(lockdir)
 	    mergenames=0
 	    majorver=$$(echo $(openmpi-version) | sed -e 's/\./ /g' | awk '{printf("%d.%d", $$1, $$2)}')
 	    w=https://download.open-mpi.org/release/open-mpi/v$$majorver/$*
+	  elif [ $$n = pixman      ]; then w=https://www.cairographics.org/releases
+	  elif [ $$n = scamp       ]; then w=http://akhlaghi.org/src
+	  elif [ $$n = sextractor  ]; then w=http://akhlaghi.org/src
+	  elif [ $$n = swarp       ]; then w=https://www.astromatic.net/download/swarp
+	  elif [ $$n = swig        ]; then w=https://sourceforge.net/projects/swig/files/swig/swig-$(swig-version)
 	  elif [ $$n = tiff        ]; then w=https://download.osgeo.org/libtiff
 	  elif [ $$n = wcslib      ]; then w=ftp://ftp.atnf.csiro.au/pub/software/wcslib
 	  else
@@ -261,6 +292,13 @@ $(ilidir)/cfitsio: $(tdir)/cfitsio-$(cfitsio-version).tar.gz \
 	&& rm $$customtar                                \
 	&& echo "CFITSIO $(cfitsio-version)" > $@
 
+$(ilidir)/cairo: $(tdir)/cairo-$(cairo-version).tar.xz    \
+                 $(ilidir)/freetype                       \
+                 $(ilidir)/libpng                         \
+                 $(ilidir)/pixman
+	$(call gbuild, $<, cairo-$(cairo-version), static)    \
+	&& echo "Cairo $(cairo-version)" > $@
+
 $(ilidir)/gsl: $(tdir)/gsl-$(gsl-version).tar.gz
 	$(call gbuild, $<, gsl-$(gsl-version), static) \
 	&& echo "GNU Scientific Library $(gsl-version)" > $@
@@ -277,7 +315,7 @@ $(ilidir)/freetype: $(tdir)/freetype-$(freetype-version).tar.gz \
 	$(call gbuild, $<, freetype-$(freetype-version), static) \
 	&& echo "FreeType $(freetype-version)" > $@
 
-$(ilidir)/hdf5: $(tdir)/hdf5-$(hdf5-version).tar.gz \
+$(ilidir)/hdf5: $(tdir)/hdf5-$(hdf5-version).tar.gz  \
                 $(ilidir)/openmpi
 	export CC=mpicc;                                 \
 	export FC=mpif90;                                \
@@ -298,6 +336,21 @@ $(ilidir)/libpng: $(tdir)/libpng-$(libpng-version).tar.xz
 	$(call gbuild, $<, libpng-$(libpng-version), static) \
 	&& echo "Libpng $(libpng-version)" > $@
 
+$(ilidir)/libxml2: $(tdir)/libxml2-$(libxml2-version).tar.gz
+       # The libxml2 tarball also contains Python bindings which are built and
+       # installed to a system directory by default. If you don't need the Python
+       # bindings, the easiest solution is to compile without Python support:
+       # ./configure --without-python
+       # If you really need the Python bindings, try the
+       # --with-python-install-dir=DIR option
+	$(call gbuild, $<, libxml2-$(libxml2-version), static, \
+                   --without-python)                       \
+	&& echo "Libxml2 $(libxml2-version)" > $@
+
+$(ilidir)/pixman: $(tdir)/pixman-$(pixman-version).tar.gz
+	$(call gbuild, $<, pixman-$(pixman-version), static) \
+	&& echo "Pixman $(pixman-version)" > $@
+
 $(ilidir)/libtiff: $(tdir)/tiff-$(libtiff-version).tar.gz \
                    $(ilidir)/libjpeg
 	$(call gbuild, $<, tiff-$(libtiff-version), static, \
@@ -306,7 +359,7 @@ $(ilidir)/libtiff: $(tdir)/tiff-$(libtiff-version).tar.gz \
 
 $(ilidir)/openmpi: $(tdir)/openmpi-$(openmpi-version).tar.gz
 	$(call gbuild, $<, openmpi-$(openmpi-version), static, , V=1) \
-	&& echo "OpenMPI $(openmpi-version)" > $@
+	&& echo "Open MPI $(openmpi-version)" > $@
 
 $(ilidir)/atlas: $(tdir)/atlas-$(atlas-version).tar.bz2 \
 	         $(tdir)/lapack-$(lapack-version).tar.gz
@@ -463,6 +516,51 @@ $(ilidir)/wcslib: $(tdir)/wcslib-$(wcslib-version).tar.bz2 \
 # Programs
 # --------
 #
+# Astrometry-net contains a lot of programs. We need to specify the
+# installation directory and the Python executable (by default it will look
+# for /usr/bin/python)
+$(ibidir)/astrometrynet: $(tdir)/astrometry.net-$(astrometrynet-version).tar.gz \
+                         $(ilidir)/cairo                                        \
+                         $(ilidir)/cfitsio                                      \
+                         $(ilidir)/gsl                                          \
+                         $(ilidir)/libjpeg                                      \
+                         $(ilidir)/libpng                                       \
+                         $(ibidir)/netpbm                                       \
+                         $(ipydir)/numpy                                        \
+                         $(ibidir)/python                                       \
+                         $(ibidir)/swig                                         \
+                         $(ilidir)/wcslib
+	cd $(ddir)                                                            \
+    && if ! tar xf $<; then echo; echo "Tar error"; exit 1; fi            \
+    && cd astrometry.net-$(astrometrynet-version)                         \
+    && make                                                               \
+    && make py                                                            \
+    && make extra                                                         \
+    && make install INSTALL_DIR=$(idir) PYTHON_SCRIPT="$(ibdir)/python"   \
+    && cd ..                                                              \
+    && rm -rf astrometry.net-$(astrometrynet-version)                     \
+    && cp $(dtexdir)/astrometrynet.tex $(ictdir)/                         \
+    && echo "Astrometry.net $(astrometrynet-version) \citep{astrometrynet}" > $@
+
+# cdsclient is a set of software written in c to interact with astronomical
+# database servers. It is a dependency of `scamp' to be able to download
+# reference catalogues.
+# NOTE: we do not use a convencional `gbuild' installation because the
+# programs are scripts and we need to touch them before installing.
+# Otherwise this software will be re-built each time the configure step is
+# invoked.
+$(ibidir)/cdsclient: $(tdir)/cdsclient-$(cdsclient-version).tar.gz
+	cd $(ddir)                                                    \
+	&& tar xf $<                                                  \
+	&& cd cdsclient-$(cdsclient-version)                          \
+	&& touch *                                                    \
+	&& ./configure --prefix=$(idir)                               \
+	&& make                                                       \
+	&& make install                                               \
+	&& cd ..                                                      \
+	&& rm -rf cdsclient-$(cdsclient-version)                      \
+	&& echo "cdsclient $(cdsclient-version)" > $@
+
 # CMake can be built with its custom `./bootstrap' script.
 $(ibidir)/cmake: $(tdir)/cmake-$(cmake-version).tar.gz \
                  $(ibidir)/curl
@@ -613,16 +711,84 @@ endif
 	&& cp $(dtexdir)/gnuastro.tex $(ictdir)/                 \
 	&& echo "GNU Astronomy Utilities $(gnuastro-version) \citep{gnuastro}" > $@
 
-
-
-
-
-
-
-
-
-
-
+# Netpbm is a prerequisite of Astrometry-net, it contains a lot of programs.
+# This program has a crazy dialogue installation which is override using the
+# printf statment. Each `\n' is a new question that the installation process
+# ask to the user. We give all answers with a pipe to the scripts (configure
+# and install). The questions are different depending on the system (tested
+# on GNU/Linux and Mac OS).
+$(ibidir)/netpbm: $(tdir)/netpbm-$(netpbm-version).tgz   \
+                  $(ilidir)/libjpeg                      \
+                  $(ilidir)/libpng                       \
+                  $(ilidir)/libtiff                      \
+                  $(ilidir)/libxml2                      \
+                  $(ibidir)/unzip
+	if [ x$(on_mac_os) = xyes ]; then                                      \
+      answers='\n\n\n\n\n\n\n\n\n\n\n\nnone\n\n\n';                        \
+    else                                                                   \
+      answers='\n\n\n\ny\n\n\n\n\n\n\n\n\n\n\n\n\n';                       \
+    fi;                                                                    \
+    cd $(ddir)                                                             \
+    && unpackdir=netpbm-$(netpbm-version)                                  \
+    && rm -rf $$unpackdir                                                  \
+    && if ! tar xf $<; then echo; echo "Tar error"; exit 1; fi             \
+    && cd $$unpackdir                                                      \
+    && printf "$$answers" | ./configure                                    \
+    && make                                                                \
+    && rm -rf $(ddir)/$$unpackdir/install                                  \
+    && make package pkgdir=$(ddir)/$$unpackdir/install                     \
+    && printf "$(ddir)/$$unpackdir/install\n$(idir)\n\n\nN\n\n\n\n\nN\n\n" \
+              | ./installnetpbm                                            \
+    && cd ..                                                               \
+    && rm -rf $$unpackdir                                                  \
+    && echo "Netpbm $(netpbm-version)" > $@
+
+# SCAMP documentation says ATLAS is a mandatory prerequisite for using
+# SCAMP. We have ATLAS into the project but there are some problems with the
+# libraries that are not yet solved. However, we tried to install it with
+# the option --enable-openblas and it worked (same issue happened with
+# `sextractor'.
+$(ibidir)/scamp: $(tdir)/scamp-$(scamp-version).tar.lz                \
+                      $(ilidir)/fftw                                  \
+                      $(ilidir)/openblas                              \
+                      $(ibidir)/cdsclient
+	$(call gbuild, $<, scamp-$(scamp-version), static,                \
+                   --enable-threads --enable-openblas                 \
+                   --with-fftw-libdir=$(idir)                         \
+                   --with-fftw-incdir=$(idir)/include                 \
+                   --with-openblas-libdir=$(ildir)                    \
+                   --with-openblas-incdir=$(idir)/include)            \
+	&& cp $(dtexdir)/scamp.tex $(ictdir)/                             \
+    && echo "SCAMP $(scamp-version) \citep{scamp}" > $@
+
+# Sextractor crashes complaining about not linking with some ATLAS
+# libraries. But we can override this issue since we have Openblas
+# installed, it is just necessary to explicity tell sextractor to use it in
+# the configuration step.
+$(ibidir)/sextractor: $(tdir)/sextractor-$(sextractor-version).tar.lz \
+                      $(ilidir)/openblas                              \
+                      $(ilidir)/fftw
+	$(call gbuild, $<, sextractor-$(sextractor-version), static,      \
+                   --enable-threads --enable-openblas                 \
+                   --with-openblas-libdir=$(ildir)                    \
+                   --with-openblas-incdir=$(idir)/include)            \
+    && ln -fs $(ibdir)/sex $(ibdir)/sextractor                        \
+    && cp $(dtexdir)/sextractor.tex $(ictdir)/                        \
+    && echo "Sextractor $(sextractor-version) \citep{sextractor}" > $@
+
+$(ibidir)/swarp: $(tdir)/swarp-$(swarp-version).tar.gz \
+                 $(ilidir)/fftw
+	$(call gbuild, $<, swarp-$(swarp-version), static, \
+                   --enable-threads)                   \
+    && cp $(dtexdir)/swarp.tex $(ictdir)/              \
+    && echo "SWarp $(swarp-version) \citep{swarp}" > $@
+
+$(ibidir)/swig: $(tdir)/swig-$(swig-version).tar.gz
+	# Option --without-pcre was a suggestion once the configure step was
+	# tried and it failed. It was not recommended but it works!
+	# pcr is a dependency of swig
+	$(call gbuild, $<, swig-$(swig-version), static, --without-pcre) \
+	&& echo "Swig $(swig-version)" > $@
 
 
 
diff --git a/reproduce/software/make/python.mk b/reproduce/software/make/python.mk
index 5ec99f0..22c6284 100644
--- a/reproduce/software/make/python.mk
+++ b/reproduce/software/make/python.mk
@@ -214,13 +214,13 @@ $(pytarballs): $(tdir)/%:
 # While this Makefile is for Python programs, in some cases, we need
 # certain programs (like Python itself), or libraries for the modules.
 $(ilidir)/libffi: $(tdir)/libffi-$(libffi-version).tar.gz
-	$(call gbuild, $<, libffi-$(libffi-version))        \
+	$(call gbuild, $<, libffi-$(libffi-version)) \
 	echo "Libffi $(libffi-version)" > $@
 
-$(ibidir)/python3: $(tdir)/python-$(python-version).tar.gz \
-                   $(ilidir)/libffi
-        # On Mac systems, the build complains about `clang' specific
-        # features, so we can't use our own GCC build here.
+$(ibidir)/python: $(tdir)/python-$(python-version).tar.gz \
+                  $(ilidir)/libffi
+	# On Mac systems, the build complains about `clang' specific
+	# features, so we can't use our own GCC build here.
 	if [ x$(on_mac_os) = xyes ]; then                   \
 	  export CC=clang;                                  \
 	  export CXX=clang++;                               \
@@ -231,7 +231,8 @@ $(ibidir)/python3: $(tdir)/python-$(python-version).tar.gz \
 	       --enable-shared)                             \
 	&& v=$$(echo $(python-version) | awk 'BEGIN{FS="."} \
 	    {printf "%d.%d\n", $$1, $$2}')                  \
-	&& ln -s $(ildir)/python$$v $(ildir)/python         \
+	&& ln -sf $(ildir)/python$$v $(ildir)/python        \
+	&& ln -sf $(ibdir)/python$$v $(ibdir)/python        \
 	&& rm -rf $(ipydir)                                 \
 	&& mkdir $(ipydir)                                  \
 	&& echo "Python $(python-version)" > $@
@@ -259,8 +260,8 @@ pybuild = cd $(ddir); rm -rf $(3);                            \
 	       -e 's|@INCDIR[@]|'"$(idir)/include"'|'             \
 	       $(4) > site.cfg;                                   \
 	 fi;                                                      \
-	 python3 setup.py build                                   \
-	 && python3 setup.py install                              \
+	 python setup.py build                                    \
+	 && python setup.py install                               \
 	 && cd ..                                                 \
 	 && rm -rf $(3)                                           \
 	 && echo "$(5)" > $@
@@ -475,7 +476,7 @@ $(ipydir)/secretstorage: $(tdir)/secretstorage-$(secretstorage-version).tar.gz \
 	                SecretStorage $(secretstorage-version))
 
 $(ipydir)/setuptools: $(tdir)/setuptools-$(setuptools-version).zip \
-                      $(ibidir)/python3                            \
+                      $(ibidir)/python                             \
                       $(ibidir)/unzip
 	$(call pybuild, unzip, $<, setuptools-$(setuptools-version), ,\
 	                Setuptools $(setuptools-version))