fix(build): using mesons built in patch system

the previous custom patch system failed based on order sometimes. We now use mesons build in patch system which guarenees patch order application

build-config/mfem/disable_mfem_selfcheck.patch

@@ -1,41 +0,0 @@
---- subprojects/mfem/CMakeLists.txt	2025-02-12 15:54:52.454728232 -0500
-+++ CMakeLists.txt.bak	2025-02-12 16:08:06.654542689 -0500
-@@ -765,7 +765,7 @@
- if (MFEM_ENABLE_EXAMPLES)
-   add_subdirectory(examples) #install examples if enabled
- else()
--  add_subdirectory(examples EXCLUDE_FROM_ALL)
-+  # add_subdirectory(examples EXCLUDE_FROM_ALL)
- endif()
- 
- # Create a target for all miniapps and, optionally, enable it.
-@@ -774,7 +774,7 @@
- if (MFEM_ENABLE_MINIAPPS)
-   add_subdirectory(miniapps) #install miniapps if enabled
- else()
--  add_subdirectory(miniapps EXCLUDE_FROM_ALL)
-+  # add_subdirectory(miniapps EXCLUDE_FROM_ALL)
- endif()
- 
- # Target to build all executables, i.e. everything.
-@@ -801,19 +801,7 @@
-   add_dependencies(${MFEM_EXEC_PREREQUISITES_TARGET_NAME} copy_data)
- endif()
- 
--# Add 'check' target - quick test
--set(MFEM_CHECK_TARGET_NAME ${MFEM_CUSTOM_TARGET_PREFIX}check)
--if (NOT MFEM_USE_MPI)
--  add_custom_target(${MFEM_CHECK_TARGET_NAME}
--    ${CMAKE_CTEST_COMMAND} -R \"^ex1_ser\" -C ${CMAKE_CFG_INTDIR}
--    USES_TERMINAL)
--  add_dependencies(${MFEM_CHECK_TARGET_NAME} ex1)
--else()
--  add_custom_target(${MFEM_CHECK_TARGET_NAME}
--    ${CMAKE_CTEST_COMMAND} -R \"^ex1p\" -C ${CMAKE_CFG_INTDIR}
--    USES_TERMINAL)
--  add_dependencies(${MFEM_CHECK_TARGET_NAME} ex1p)
--endif()
-+message(STATUS "MFEM Miniapps and Examples disabled by patch!")
- 
- #-------------------------------------------------------------------------------
- # Documentation

build-config/mfem/meson.build

@@ -1,13 +1,5 @@
 patchFile = files('disable_mfem_selfcheck.patch')
 
-patch_check = run_command('grep', '-q', 'MFEM_CHECK_TARGET_NAME', 'subprojects/mfem/CMakeLists.txt', check: false)
-if patch_check.returncode() == 0
-    message('Patching MFEM CMakeLists.txt to remove self checks')
-    run_command('patch', '-p4', '-d', '../../subprojects/mfem', '-i', patchFile[0].full_path(), check: true)
-else
-    message('MFEM CMakeLists.txt already patched')
-endif
-
 mfem_cmake_options = cmake.subproject_options()
 mfem_cmake_options.add_cmake_defines({
     'MFEM_ENABLE_EXAMPLES': 'OFF',
@@ -20,4 +12,4 @@ mfem_sp = cmake.subproject(
     'mfem',
     options: mfem_cmake_options)
 mfem_dep = mfem_sp.dependency('mfem')
-add_project_arguments('-I' + meson.current_build_dir() + '/subprojects/mfem/__CMake_build/config', language: 'cpp')
+add_project_arguments('-I' + meson.current_build_dir() + '/subprojects/mfem/__CMake_build/config', language: 'cpp')