diff --git a/polylib.spec b/polylib.spec
index 3eec53a..0031071 100644
--- a/polylib.spec
+++ b/polylib.spec
@@ -25,6 +25,7 @@ License:        GPL-3.0-or-later
 Group:          Productivity/Scientific/Math
 URL:            https://icps.u-strasbg.fr/polylib/
 Source:         https://icps.u-strasbg.fr/polylib/polylib_src/%name-%version.tar.gz
+Patch1:         static-decls.patch
 BuildRequires:  gcc-c++
 BuildRequires:  ntl-devel
 BuildRequires:  pkg-config
@@ -79,8 +80,7 @@ developing with PolyLib.
 %make_install
 find %buildroot -type f -name "*.la" -delete -print
 
-%post   -n %lname -p /sbin/ldconfig
-%postun -n %lname -p /sbin/ldconfig
+%ldconfig_scriptlets -n %lname
 
 %files
 %_bindir/c2p
diff --git a/static-decls.patch b/static-decls.patch
new file mode 100644
index 0000000..4b41c8d
--- /dev/null
+++ b/static-decls.patch
@@ -0,0 +1,24 @@
+From: Jan Engelhardt <ej@inai.de>
+Date: 2024-11-03 00:14:45.456431711 +0100
+
+./applications/testCompressParms.c:58:9: error: implicit declaration of function ‘test_Constraints_Remove_parm_eqs’; did you mean ‘Constraints_Remove_parm_eqs’? [-Wimplicit-function-declaration]
+./applications/testCompressParms.c:59:9: error: implicit declaration of function ‘test_Polyhedron_Remove_parm_eqs’; did you mean ‘Polyhedron_Remove_parm_eqs’? [-Wimplicit-function-declaration]
+./applications/testCompressParms.c:60:9: error: implicit declaration of function ‘test_Constraints_fullDimensionize’; did you mean ‘Constraints_fullDimensionize’? [-Wimplicit-function-declaration]
+---
+ applications/testCompressParms.c |    3 +++
+ 1 file changed, 3 insertions(+)
+
+Index: polylib-5.22.5/applications/testCompressParms.c
+===================================================================
+--- polylib-5.22.5.orig/applications/testCompressParms.c
++++ polylib-5.22.5/applications/testCompressParms.c
+@@ -41,6 +41,9 @@
+                 } 
+ 
+ #define maxRays 200
++int test_Constraints_Remove_parm_eqs(Matrix * A, Matrix * B);
++int test_Polyhedron_Remove_parm_eqs(Matrix * A, Matrix * B);
++int test_Constraints_fullDimensionize(Matrix * A, Matrix * B, unsigned int nbSamples);
+ 
+ const char *origNames[] =
+ 	{"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"};