Reduce unbundle.diff; add descriptions to patches

OBS-URL: https://build.opensuse.org/package/show/science/polymake?expand=0&rev=13

bliss077.patch

@@ -1,5 +1,7 @@
 References: https://polymake.org/downloads/bliss077.patch
 
+polymake 4.4 is a bit older than bliss 0.77 and so needs a patch to
+get the compilation between the two going.
 ---
  bundled/bliss/apps/graph/src/GraphIso.cc |   10 ++++++++++
  1 file changed, 10 insertions(+)

polymake.spec

@@ -88,6 +88,7 @@ objects, and other objects.
 # Not AC.
 ./configure --prefix="%_prefix" --libdir="%_libdir" \
 	--libexecdir="%_libdir/%name-%version" --without-native \
+	--with-bliss=/usr \
 	CFLAGS="%optflags" CXXFLAGS="%optflags" CXXOPT="%optflags"
 # can't replace limit_build by _constraints file:
 # * asking memoryperjob=3400 -> unsatisfiable i586 workers

sympol-system.patch

@@ -1,7 +1,8 @@
 From: Jan Engelhardt <jengelh@inai.de>
 Date: 2021-06-22 17:59:14.278243463 +0200
 
-sympol installs files differently than you think.
+sympol installs its header files all in /usr/include/sympol,
+with no extra subdirectories. Adjust the polymake include directives.
 ---
  bundled/sympol/apps/polytope/src/sympol_interface.cc |    4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

unbundle.diff

@@ -1,3 +1,6 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2021-06-24 00:08:26.352878902 +0200
+
 ---
  bundled/bliss/support/configure.pl       |    3 +++
  bundled/cdd/support/configure.pl         |    2 +-
@@ -6,20 +9,6 @@
  bundled/sympol/support/configure.pl      |    6 +++++-
  5 files changed, 11 insertions(+), 4 deletions(-)
 
-Index: polymake-4.4/bundled/bliss/support/configure.pl
-===================================================================
---- polymake-4.4.orig/bundled/bliss/support/configure.pl
-+++ polymake-4.4/bundled/bliss/support/configure.pl
-@@ -26,6 +26,9 @@ sub usage {
- }
- 
- sub proceed {
-+   $LIBS = "-lbliss";
-+   return "system";
-+
-    my ($options)=@_;
-    my $bliss_path;
-    if (defined ($bliss_path=$options->{bliss})) {
 Index: polymake-4.4/bundled/cdd/support/configure.pl
 ===================================================================
 --- polymake-4.4.orig/bundled/cdd/support/configure.pl