Simple Fortran test for --int64, without math libraries

test/fc_int64/cmake/autocmake.cfg

@@ -0,0 +1,14 @@
+[project]
+name: example
+
+[fc]
+source: ../../../modules/fc.cmake
+
+[int64]
+source: ../../../modules/int64.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/fc_int64/src/CMakeLists.txt

@@ -0,0 +1 @@
+add_executable(example example.f90)

test/fc_int64/src/example.f90

@@ -0,0 +1,14 @@
+program example
+   implicit none
+   ! max i*4 is 2,147,483,647, add 1 for i*8
+   integer*8, parameter :: i8ref = 2147483648
+   integer :: i
+   logical :: test_ok
+   i=i8ref
+   test_ok = (sizeof(i) == 8 .and. i == 2147483648)
+   if (test_ok) then
+      print *,"test_int64 ok"
+   else
+      stop "test_int64 failed!"
+   endif
+end program

test/test.py

@@ -137,6 +137,11 @@ def test_fc_git_info():
     stdout, stderr = configure_build_and_exe('fc_git_info', 'python setup.py --fc=gfortran')
     assert 'Test OK!' in stdout
 
+
+def test_fc_int64():
+    stdout, stderr = configure_build_and_exe('fc_int64', 'python setup.py --fc=gfortran --int64')
+    assert 'test_int64 ok' in stdout
+
 # ------------------------------------------------------------------------------