4 files changed, 99 insertions, 0 deletions
diff --git a/meson/test cases/common/184 openmp/main.c b/meson/test cases/common/184 openmp/main.c
new file mode 100644
index 000000000..cc81f4897
--- /dev/null
+++ b/meson/test cases/common/184 openmp/main.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <omp.h>
+
+int main(void) {
+#ifdef _OPENMP
+    if (omp_get_max_threads() == 2) {
+        return 0;
+    } else {
+        printf("Max threads is %d not 2.\n", omp_get_max_threads());
+        return 1;
+    }
+#else
+    printf("_OPENMP is not defined; is OpenMP compilation working?\n");
+    return 1;
+#endif
+}
diff --git a/meson/test cases/common/184 openmp/main.cpp b/meson/test cases/common/184 openmp/main.cpp
new file mode 100644
index 000000000..b12be3fd8
--- /dev/null
+++ b/meson/test cases/common/184 openmp/main.cpp
@@ -0,0 +1,16 @@
+#include <iostream>
+#include <omp.h>
+
+int main(void) {
+#ifdef _OPENMP
+    if (omp_get_max_threads() == 2) {
+        return 0;
+    } else {
+        std::cout << "Max threads is " << omp_get_max_threads() << " not 2." << std::endl;
+        return 1;
+    }
+#else
+    printf("_OPENMP is not defined; is OpenMP compilation working?\n");
+    return 1;
+#endif
+}
diff --git a/meson/test cases/common/184 openmp/main.f90 b/meson/test cases/common/184 openmp/main.f90
new file mode 100644
index 000000000..d80f90fdf
--- /dev/null
+++ b/meson/test cases/common/184 openmp/main.f90
@@ -0,0 +1,9 @@
+use, intrinsic :: iso_fortran_env, only: stderr=>error_unit
+use omp_lib
+
+if (omp_get_max_threads() /= 2) then
+  write(stderr, *) 'Max Fortran threads is', omp_get_max_threads(), 'not 2.'
+  stop 1
+endif
+
+end program
diff --git a/meson/test cases/common/184 openmp/meson.build b/meson/test cases/common/184 openmp/meson.build
new file mode 100644
index 000000000..a1154c22c
--- /dev/null
+++ b/meson/test cases/common/184 openmp/meson.build
@@ -0,0 +1,58 @@
+project('openmp', 'c')
+
+cc = meson.get_compiler('c')
+if cc.get_id() == 'gcc' and cc.version().version_compare('<4.2.0')
+  error('MESON_SKIP_TEST gcc is too old to support OpenMP.')
+endif
+if cc.get_id() == 'clang' and cc.version().version_compare('<3.7.0')
+  error('MESON_SKIP_TEST clang is too old to support OpenMP.')
+endif
+if cc.get_id() == 'msvc' and cc.version().version_compare('<17')
+  error('MESON_SKIP_TEST msvc is too old to support OpenMP.')
+endif
+if cc.get_id() == 'clang-cl'
+  error('MESON_SKIP_TEST clang-cl does not support OpenMP.')
+endif
+if cc.get_id() == 'clang' and host_machine.system() == 'windows'
+  error('MESON_SKIP_TEST Windows clang does not support OpenMP.')
+endif
+if host_machine.system() == 'darwin'
+  error('MESON_SKIP_TEST macOS does not support OpenMP.')
+endif
+
+openmp = dependency('openmp')
+env = environment()
+env.set('OMP_NUM_THREADS', '2')
+
+exec = executable('exec',
+  'main.c',
+  dependencies : [openmp])
+test('OpenMP C', exec, env : env)
+
+if not(build_machine.system() == 'windows' and cc.get_id() == 'pgi')
+  if add_languages('cpp', required : false)
+    execpp = executable('execpp',
+      'main.cpp',
+      dependencies : [openmp])
+    test('OpenMP C++', execpp, env : env)
+  endif
+endif
+
+if add_languages('fortran', required : false)
+  # Mixing compilers (msvc/clang with gfortran) does not seem to work on Windows.
+  if build_machine.system() != 'windows' or cc.get_id() == 'gnu'
+    exef = executable('exef',
+      'main.f90',
+      dependencies : [openmp])
+    test('OpenMP Fortran', exef, env : env)
+
+    openmp_f = dependency('openmp', language : 'fortran')
+    exe_f = executable('exe_f',
+      'main.f90',
+      dependencies : [openmp_f])
+    test('OpenMP Fortran-specific', exe_f, env : env)
+  endif
+endif
+
+# Check we can apply a version constraint
+dependency('openmp', version: '>=@0@'.format(openmp.version()))