Overriding PostGIS install directories

[Ben Sturmfels <ben@sturm.com.au>]

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Hi Folks,

I'm attempting to add PostGIS to Guix - a GIS extension for PostgreSQL.
The build phase runs ok, but the install phase fails trying to write to
the postgresql package:

  /gnu/store/42d5rjrdkln6nwvzwdc8dyd4w6iy3n5j-coreutils-8.27/bin/mkdir:
  cannot create directory
  ‘/gnu/store/0haa85i5rhpxmmninqpkyn3rqax83887-postgresql-10.1/share/contrib’:
  Permission denied

That directory comes from `pg_config --sharedir`, run during configure.
I'm trying to force configure to use /share instead by patching
configure.ac as attached. The patch seems like it's being applied, as I
can see the change in
/tmp/guix-build-postgis-2.4.2.drv-7/postgis-2.4.2/configure.ac, but it
seems that the corresponding "configure" file is unchanged, so I'm
obviously missing something.

Any thoughts on this or a better approach?

Regards,
Ben

Ben Sturmfels

Sturm Software Engineering
www.sturm.com.au
(03) 9024 2467

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diff --git a/gnu/local.mk b/gnu/local.mk
index fb4babfdb..da6d65952 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -991,6 +991,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/policycoreutils-make-sepolicy-use-python3.patch	\
   %D%/packages/patches/portaudio-audacity-compat.patch		\
   %D%/packages/patches/portmidi-modular-build.patch		\
+  %D%/packages/patches/postgis-config.patch			\
   %D%/packages/patches/procmail-ambiguous-getline-debian.patch  \
   %D%/packages/patches/procmail-CVE-2014-3618.patch		\
   %D%/packages/patches/procmail-CVE-2017-16844.patch		\
diff --git a/gnu/packages/geo.scm b/gnu/packages/geo.scm
index 5a24ed614..681108977 100644
--- a/gnu/packages/geo.scm
+++ b/gnu/packages/geo.scm
@@ -26,15 +26,89 @@
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
   #:use-module (guix utils)
+  #:use-module (gnu packages)
   #:use-module (gnu packages compression)
+  #:use-module (gnu packages databases)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gnome)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages image)
+  #:use-module (gnu packages perl)
   #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages web)
   #:use-module (gnu packages webkit)
   #:use-module (gnu packages xml))
 
+(define-public gdal
+  (package
+    (name "gdal")
+    (version "2.2.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://download.osgeo.org/gdal/2.2.3/gdal-"
+                                  version
+                                  ".tar.xz"))
+              (sha256
+               (base32
+                "02wdifcblmqi9ffp5c0ahvwcs5bsx1qpjpsvlbsm6dkb8wyxca53"))))
+    (build-system gnu-build-system)
+    ;; (inputs
+    ;;  `(("json-c" ,json-c)
+    ;;    ("geos" ,geos)))
+    (arguments
+     `(#:tests? #f))
+       ;; #:configure-flags
+       ;; (list
+       ;;  (string-append "--with-libjson-c=" (assoc-ref %build-inputs "json-c")))))
+    (synopsis "Geospatial Data Abstraction Library")
+    (description " GDAL is a translator library for raster geospatial data formats. As a library, it presents a single abstract data model to the calling application for all supported formats.  The related OGR library (which lives within the GDAL source tree) provides a similar capability for simple features vector data.
+
+GDAL supports 40+ popular data formats, including commonly used ones (GeoTIFF, JPEG, PNG and more) as well as the ones used in GIS and remote sensing software packages (ERDAS Imagine, ESRI Arc/Info, ENVI, PCI Geomatics).  Also supported many remote sensing and scientific data distribution formats such as HDF, EOS FAST, NOAA L1B, NetCDF, FITS.
+
+OGR library supports popular vector formats like ESRI Shapefile, TIGER data, S57, MapInfo File, DGN, GML and more.")
+    (home-page "http://gdal.org/")
+    ;; FIXME - many licenses
+    (license license:gpl2+)))
+
+(define-public postgis
+  (package
+    (name "postgis")
+    (version "2.4.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://download.osgeo.org/postgis/source/postgis-"
+                                  version
+                                  ".tar.gz"))
+              (sha256
+               (base32
+                "1n91lgbz0f40gicls722c8xnap1zb84j2mr240xdah6lkv4mnqi3"))
+              (patches (search-patches "postgis-config.patch"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("perl" ,perl)
+       ("proj.4" ,proj.4)
+       ("geos" ,geos)
+       ("gdal" ,gdal)
+       ("libxml2" ,libxml2)
+       ("postgresql" ,postgresql)
+       ;; Disabling json-c for now. If used, build fails to find
+       ;; json_object_private.h, which the json-c Makefile.am is configured
+       ;; not to output. Rekado suggested adding sources of json-c to the
+       ;; package.
+       ;;
+       ;; ("json-c" ,json-c)
+       ))
+    (native-inputs
+     `(("gdal" ,gdal)))
+
+    (arguments
+     '(#:tests? #f))
+    (synopsis "")
+    (description "")
+    (home-page "")
+    ;; FIXME
+    (license license:gpl2+)))
+
 (define-public geos
   (package
     (name "geos")
@@ -72,6 +146,7 @@ topology functions.")
                    license:zlib              ; tests/xmltester/tinyxml/*
                    license:public-domain)))) ; include/geos/timeval.h
 
+
 ;;; FIXME GNOME Maps only runs within GNOME. On i3, it fails with this error:
 ;;; (org.gnome.Maps:8568): GLib-GIO-ERROR **: Settings schema
 ;;; 'org.gnome.desktop.interface' is not installed
diff --git a/gnu/packages/patches/postgis-config.patch b/gnu/packages/patches/postgis-config.patch
new file mode 100644
index 000000000..a6ec1833a
--- /dev/null
+++ b/gnu/packages/patches/postgis-config.patch
@@ -0,0 +1,23 @@
+diff --git a/configure.ac b/configure.ac
+index b9432df..fe9d824 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -453,7 +453,8 @@ if test "x$LIBLWGEOM_ONLY" = "xno"; then
+ 
+   PGSQL_PKGLIBDIR=`"$PG_CONFIG" --pkglibdir`
+   PGSQL_LIBDIR=`"$PG_CONFIG" --libdir`
+-  PGSQL_SHAREDIR=`"$PG_CONFIG" --sharedir`
++  # Seems this one doesn't take effect?
++  PGSQL_SHAREDIR=/share/
+ 
+   AC_MSG_RESULT([checking PostgreSQL version... $PGSQL_FULL_VERSION])
+   dnl Ensure that we are using PostgreSQL >= 9.3
+@@ -504,7 +505,7 @@ if test "x$LIBLWGEOM_ONLY" = "xno"; then
+   AC_SUBST([PGSQL_BINDIR])
+ 
+   dnl Extract the share directory
+-  PGSQL_SHAREDIR=`"$PG_CONFIG" --sharedir`
++  PGSQL_SHAREDIR=/share/
+ 
+   AC_SUBST([PGSQL_SHAREDIR])
+ 

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