[bug#41971] [PATCH 1/5] gnu: linbox: Fix linking of dependant packages.

["Jakub Kądziołka" <kuba@kadziolka.net>]

* gnu/packages/algebra.scm (linbox)[source]: Add a patch.
  [inputs]: Move fflas-ffpack to...
  [propagated-inputs]: ...here.
* gnu/packages/patches/linbox-fix-pkgconfig.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
---
 gnu/local.mk                                  |  1 +
 gnu/packages/algebra.scm                      |  5 ++--
 .../patches/linbox-fix-pkgconfig.patch        | 23 +++++++++++++++++++
 3 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 gnu/packages/patches/linbox-fix-pkgconfig.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index def87a4360..41b92e3830 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1219,6 +1219,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/lierolibre-newer-libconfig.patch		\
   %D%/packages/patches/lierolibre-remove-arch-warning.patch	\
   %D%/packages/patches/lierolibre-try-building-other-arch.patch	\
+  %D%/packages/patches/linbox-fix-pkgconfig.patch		\
   %D%/packages/patches/linkchecker-tests-require-network.patch	\
   %D%/packages/patches/linphoneqt-tabbutton.patch		\
   %D%/packages/patches/linux-libre-support-for-Pinebook-Pro.patch \
diff --git a/gnu/packages/algebra.scm b/gnu/packages/algebra.scm
index f2138bbe4e..2244b7ac94 100644
--- a/gnu/packages/algebra.scm
+++ b/gnu/packages/algebra.scm
@@ -1323,14 +1323,15 @@ algebra, such as the row echelon form.")
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "10j6dspbsq7d2l4q3y0c1l1xwmaqqba2fxg59q5bhgk9h5d7q571"))))
+                "10j6dspbsq7d2l4q3y0c1l1xwmaqqba2fxg59q5bhgk9h5d7q571"))
+              (patches (search-patches "linbox-fix-pkgconfig.patch"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("autoconf" ,autoconf)
        ("automake" ,automake)
        ("libtool" ,libtool)
        ("pkg-config" ,pkg-config)))
-    (inputs
+    (propagated-inputs
      `(("fflas-ffpack" ,fflas-ffpack)))
     (synopsis "C++ library for linear algebra over exact rings")
     (description
diff --git a/gnu/packages/patches/linbox-fix-pkgconfig.patch b/gnu/packages/patches/linbox-fix-pkgconfig.patch
new file mode 100644
index 0000000000..c93915fb1b
--- /dev/null
+++ b/gnu/packages/patches/linbox-fix-pkgconfig.patch
@@ -0,0 +1,23 @@
+Backported from:
+
+From 426eb97ba762c7663884f57ead0909f2aa3cd6a5 Mon Sep 17 00:00:00 2001
+From: Cyril Bouvier <cyril.bouvier@lirmm.fr>
+Date: Thu, 17 Jan 2019 16:32:19 +0100
+Subject: [PATCH] Remove @LINBOXSAGE_LIBS@ from linbox.pc.in
+
+---
+ linbox.pc.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/linbox.pc.in b/linbox.pc.in
+index 278f127e4..c6b8091eb 100644
+--- a/linbox.pc.in
++++ b/linbox.pc.in
+@@ -9,6 +9,6 @@ Description: Exact Linear Algebra library
+ URL: http://github.com/linbox-team/linbox
+ Version: @VERSION@
+ Requires: fflas-ffpack >= 2.4.0, givaro >= 4.1.0
+-Libs: -L${libdir} -llinbox @LINBOXSAGE_LIBS@ @NTL_LIBS@ @MPFR_LIBS@ @FPLLL_LIBS@ @IML_LIBS@ @FLINT_LIBS@ @OCL_LIBS@
++Libs: -L${libdir} -llinbox @NTL_LIBS@ @MPFR_LIBS@ @FPLLL_LIBS@ @IML_LIBS@ @FLINT_LIBS@ @OCL_LIBS@
+ Cflags: @DEFAULT_CFLAGS@ -DDISABLE_COMMENTATOR -I${includedir} @NTL_CFLAGS@ @MPFR_CFLAGS@ @FPLLL_CFLAGS@  @IML_CFLAGS@ @FLINT_CFLAGS@ 
+ \-------------------------------------------------------
-- 
2.26.2