better CMake .gitignore

Author: scivision

.github/workflows/ci.yml

@@ -2,6 +2,7 @@ name: ci
 
 env:
   HOMEBREW_NO_INSTALL_CLEANUP: 1
+  CTEST_NO_TESTS_ACTION: error
 
 on:
   push:
@@ -24,14 +25,14 @@ jobs:
 
     strategy:
       matrix:
-        os: [ubuntu-22.04]
+        os: [ubuntu-latest]
         shared: [true, false]
-        gcc: [9, 11]
+        gcc: [9, 11, 12]
         mpi: [mpich, openmpi]
         include:
         - os: macos-latest
           mpi: openmpi
-          gcc: 11
+          gcc: 12
 
     runs-on: ${{ matrix.os }}
     env:

benchmark/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.11...3.24)
+cmake_minimum_required(VERSION 3.14...3.24)
 
 project(h5mpi-benchmark
 LANGUAGES C CXX Fortran
@@ -8,10 +8,7 @@ enable_testing()
 
 set_property(DIRECTORY PROPERTY LABELS benchmark)
 
-# --- auto-ignore build directory
-if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
-  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
-endif()
+file(GENERATE OUTPUT .gitignore CONTENT "*")
 
 if(CMAKE_VERSION VERSION_LESS 3.21)
   get_property(not_top DIRECTORY PROPERTY PARENT_DIRECTORY)

cmake/abi_check/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1...3.25)
+cmake_minimum_required(VERSION 3.5)
 project(abi_check LANGUAGES C Fortran)
 
 enable_testing()
@@ -17,5 +17,3 @@ add_library(addone_f OBJECT addone.f90)
 add_executable(main_c main.c $<TARGET_OBJECTS:addone_f>)
 set_property(TARGET main_c PROPERTY LINKER_LANGUAGE C)
 add_test(NAME C_main COMMAND main_c)
-
-set_property(TEST Fortran_main C_main PROPERTY TIMEOUT 10)

cmake/compilers.cmake

@@ -5,19 +5,14 @@ if(NOT abi_ok)
   try_compile(abi_ok
   ${CMAKE_CURRENT_BINARY_DIR}/abi_check ${CMAKE_CURRENT_LIST_DIR}/abi_check
   abi_check
-  OUTPUT_VARIABLE abi_log
   )
   if(abi_ok)
     message(CHECK_PASS "OK")
   else()
     set(err_log ${CMAKE_CURRENT_BINARY_DIR}/abi_check/CMakeError.log)
     message(FATAL_ERROR "ABI-incompatible compilers:
     C compiler ${CMAKE_C_COMPILER_ID} ${CMAKE_C_COMPILER_VERSION}
-    Fortran compiler ${CMAKE_Fortran_COMPILER_ID} ${CMAKE_Fortran_COMPILER_VERSION}
-    For logged errors see ${err_log}
-    "
-    )
-    file(WRITE ${err_log} ${abi_log})
+    Fortran compiler ${CMAKE_Fortran_COMPILER_ID} ${CMAKE_Fortran_COMPILER_VERSION}")
   endif()
 endif()
 

cmake/options.cmake

@@ -33,7 +33,4 @@ if(CMAKE_PREFIX_PATH)
   get_filename_component(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ABSOLUTE)
 endif()
 
-# --- auto-ignore build directory
-if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
-  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
-endif()
+file(GENERATE OUTPUT .gitignore CONTENT "*")

reference/CMakeLists.txt

@@ -11,10 +11,7 @@ cmake_path(SET CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/../cmake/Modules)
 find_package(MPI COMPONENTS Fortran REQUIRED)
 find_package(HDF5 COMPONENTS parallel Fortran REQUIRED)
 
-# --- auto-ignore build directory
-if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
-  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
-endif()
+file(GENERATE OUTPUT .gitignore CONTENT "*")
 
 add_executable(write_char write_char.f90)
 target_link_libraries(write_char PRIVATE HDF5::HDF5 MPI::MPI_Fortran)

scripts/CMakeLists.txt

@@ -64,7 +64,4 @@ add_feature_info(HDF5parallel hdf5_parallel "HDF5 MPI layer")
 
 feature_summary(WHAT ENABLED_FEATURES DISABLED_FEATURES)
 
-# --- auto-ignore build directory
-if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
-  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
-endif()
+file(GENERATE OUTPUT .gitignore CONTENT "*")