Release 3.19.4 | Fix Cython requirement

petsc-3.19.4-fix_Cython_requirement.patch

@@ -0,0 +1,20 @@
+--- a/conf/confpetsc.orig.py	2023-07-31 17:00:55.000000000 +0200
++++ b/conf/confpetsc.py	2023-08-11 12:45:52.386371527 +0200
+@@ -100,7 +100,7 @@
+         return False
+     REQUIRED = Version(VERSION)
+     PROVIDED = Version(m.groups()[0])
+-    if PROVIDED != REQUIRED:
++    if PROVIDED < REQUIRED:
+         warn("You need Cython == {0} (you have version {1})"
+              .format(VERSION, CYTHON_VERSION))
+         return False
+@@ -130,7 +130,7 @@
+             return
+     finally:
+         os.chdir(cwd)
+-    require = 'Cython == %s' % VERSION
++    require = 'Cython >= 0.29.36'
+     if setuptools and not cython_chk(VERSION, verbose=False):
+         if sys.modules.get('Cython'):
+             removed = getattr(sys.modules['Cython'], '__version__', '')

petsc.spec

@@ -298,6 +298,7 @@ Source1: https://ftp.mcs.anl.gov/pub/petsc/release-snapshots/petsc4py-%{version}
 Source2: %{name}-PETSc_cython0.29.36.c
 Source3: %{name}-PETSc_cython0.29.36.h
 Source4: %{name}-PETSc_api_cython0.29.36.h
+Patch9:  %{name}-3.19.4-fix_Cython_requirement.patch
 
 ## Remove rpath flags
 Patch0:  %{name}-3.11-no-rpath.patch
@@ -584,6 +585,9 @@ rm -f %{name}-%{version}/src/binding/petsc4py/src/PETSc.h
 install -pm 644 %{SOURCE3} %{name}-%{version}/src/binding/petsc4py/src/PETSc.h
 rm -f %{name}-%{version}/src/binding/petsc4py/src/PETSc_api.h
 install -pm 644 %{SOURCE4} %{name}-%{version}/src/binding/petsc4py/src/PETSc_api.h
+pushd %{name}-%{version}
+%patch -P 9 -p1 -b .backup
+popd
 %endif
 
 # Remove pre-generated Cython files