Support implibs for executables on Windows

Add a boolean 'implib' kwarg to executable().  If true, it is permitted to
use the returned build target object in link_with:

On platforms where this makes sense (e.g. Windows), an implib is generated
for the executable and used when linking.  Otherwise, it has no effect.

(Rather than checking if it is a StaticLibrary or SharedLibary, BuildTarget
subclasses gain the is_linkable_target method to test if they can appear in
link_with:)

Also install any executable implib in a similar way to a shared library
implib, i.e. placing the implib in the appropriate place

Add tests of:
- a shared_module containing a reference to a symbol which is known (at link
time) to be provided by the executable
- trying to link with non-implib executables (should fail)
- installing the implib

(This last one needs a little enhancement of the installed file checking as
this is the first install test we have which needs to work with either
MSVC-style or GCC-style implib filenames)

1 files changed, 14 insertions, 2 deletions

diff --git a/run_project_tests.py b/run_project_tests.py
index 3420946..69a778e 100755
--- a/run_project_tests.py
+++ b/run_project_tests.py
@@ -183,7 +183,7 @@ def get_relative_files_list_from_dir(fromdir):
             paths.append(path)
     return paths
 
-def platform_fix_name(fname):
+def platform_fix_name(fname, compiler):
     if '?lib' in fname:
         if mesonlib.is_cygwin():
             fname = re.sub(r'\?lib(.*)\.dll$', r'cyg\1.dll', fname)
@@ -195,6 +195,16 @@ def platform_fix_name(fname):
         if mesonlib.is_windows() or mesonlib.is_cygwin():
             return fname + '.exe'
 
+    if fname.startswith('?msvc:'):
+        fname = fname[6:]
+        if compiler != 'cl':
+            return None
+
+    if fname.startswith('?gcc:'):
+        fname = fname[5:]
+        if compiler == 'cl':
+            return None
+
     return fname
 
 def validate_install(srcdir, installdir, compiler):
@@ -210,7 +220,9 @@ def validate_install(srcdir, installdir, compiler):
     elif os.path.exists(info_file):
         with open(info_file) as f:
             for line in f:
-                expected[platform_fix_name(line.strip())] = False
+                line = platform_fix_name(line.strip(), compiler)
+                if line:
+                    expected[line] = False
     # Check if expected files were found
     for fname in expected:
         file_path = os.path.join(installdir, fname)