Test that system shlibs with undefined symbols can be found

3 files changed, 32 insertions, 4 deletions

diff --git a/test cases/unit/39 external, internal library rpath/built library/meson.build b/test cases/unit/39 external, internal library rpath/built library/meson.build
index 2b422f4..f633996 100644
--- a/test cases/unit/39 external, internal library rpath/built library/meson.build
+++ b/test cases/unit/39 external, internal library rpath/built library/meson.build
@@ -1,12 +1,21 @@
 project('built library', 'c')
 
 cc = meson.get_compiler('c')
+
+if host_machine.system() != 'cygwin'
+  # bar_in_system has undefined symbols, but still must be found
+  bar_system_dep = cc.find_library('bar_in_system')
+endif
+
 foo_system_dep = cc.find_library('foo_in_system')
+
 faa_pkg_dep = dependency('faa_pkg')
 
 l = shared_library('bar_built', 'bar.c',
                    install: true,
                    dependencies : [foo_system_dep, faa_pkg_dep])
 
-e = executable('prog', 'prog.c', link_with: l, install: true)
-test('testprog', e)
+if host_machine.system() == 'darwin'
+  e = executable('prog', 'prog.c', link_with: l, install: true)
+  test('testprog', e)
+endif
diff --git a/test cases/unit/39 external, internal library rpath/external library/bar.c b/test cases/unit/39 external, internal library rpath/external library/bar.c
new file mode 100644
index 0000000..c6f42d6
--- /dev/null
+++ b/test cases/unit/39 external, internal library rpath/external library/bar.c
@@ -0,0 +1,6 @@
+int some_undefined_func (void);
+
+int bar_system_value (void)
+{
+  return some_undefined_func ();
+}
diff --git a/test cases/unit/39 external, internal library rpath/external library/meson.build b/test cases/unit/39 external, internal library rpath/external library/meson.build
index 6dcc97e..3c311f5 100644
--- a/test cases/unit/39 external, internal library rpath/external library/meson.build
+++ b/test cases/unit/39 external, internal library rpath/external library/meson.build
@@ -1,9 +1,22 @@
-project('system library', 'c')
+project('system library', 'c', default_options : ['b_lundef=false'])
 
 shared_library('foo_in_system', 'foo.c', install : true)
 l = shared_library('faa_pkg', 'faa.c', install: true)
 
+if host_machine.system() == 'darwin'
+  frameworks = ['-framework', 'CoreFoundation', '-framework', 'CoreMedia']
+  allow_undef_args = ['-Wl,-undefined,dynamic_lookup']
+else
+  frameworks = []
+  allow_undef_args = []
+endif
+
 pkg = import('pkgconfig')
 pkg.generate(name: 'faa_pkg',
-             libraries: [l, '-framework', 'CoreFoundation', '-framework', 'CoreMedia'],
+             libraries: [l] + frameworks,
              description: 'FAA, a pkg-config test library')
+
+# cygwin DLLs can't have undefined symbols
+if host_machine.system() != 'cygwin'
+  shared_library('bar_in_system', 'bar.c', install : true, link_args : allow_undef_args)
+endif