Use correct shared library naming for Cygwin

Use correct shared library naming for Cygwin when building and installing

1 files changed, 13 insertions, 1 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 1246f3e..895cc7f 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -21,7 +21,7 @@ from . import mlog
 from .mesonlib import File, MesonException
 from .mesonlib import flatten, stringlistify, classify_unity_sources
 from .mesonlib import get_filenames_templates_dict, substitute_values
-from .environment import for_windows, for_darwin
+from .environment import for_windows, for_darwin, for_cygwin
 from .compilers import is_object, clike_langs, sort_clike, lang_suffixes
 
 known_basic_kwargs = {'install': True,
@@ -1120,6 +1120,18 @@ class SharedLibrary(BuildTarget):
                 self.filename_tpl = '{0.prefix}{0.name}-{0.soversion}.{0.suffix}'
             else:
                 self.filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
+        elif for_cygwin(is_cross, env):
+            suffix = 'dll'
+            self.gcc_import_filename = 'lib{0}.dll.a'.format(self.name)
+            # Shared library is of the form cygfoo.dll
+            # (ld --dll-search-prefix=cyg is the default)
+            prefix = 'cyg'
+            # Import library is called libfoo.dll.a
+            self.import_filename = self.gcc_import_filename
+            if self.soversion:
+                self.filename_tpl = '{0.prefix}{0.name}-{0.soversion}.{0.suffix}'
+            else:
+                self.filename_tpl = '{0.prefix}{0.name}.{0.suffix}'
         elif for_darwin(is_cross, env):
             prefix = 'lib'
             suffix = 'dylib'