Merge pull request #1567 from jon-turney/cygwin

Add Cygwin support

.appveyor.yml

@@ -38,6 +38,10 @@ environment:
       compiler: msys2-mingw
       backend: ninja
 
+    - arch: x64
+      compiler: cygwin
+      backend: ninja
+
 platform:
   - x64
 
@@ -55,15 +59,22 @@ install:
   - cmd: if %compiler%==msvc2015 ( call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" %arch% )
   - cmd: if %compiler%==msvc2017 ( call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat" -arch=%arch% )
   - cmd: if %compiler%==msys2-mingw (if %arch%==x86 (set "PATH=C:\msys64\mingw32\bin;%PATH%") else (set "PATH=C:\msys64\mingw64\bin;%PATH%"))
+  - cmd: if %compiler%==cygwin ( call ci\appveyor-install.bat )
 
 build_script:
   - cmd: echo No build step.
-  - cmd: if %backend%==ninja ( ninja.exe --version ) else ( MSBuild /version & echo. )
+  - cmd: if not %compiler%==cygwin if %backend%==ninja ( ninja.exe --version ) else ( MSBuild /version & echo. )
 
 test_script:
   - cmd: echo Running tests for %arch% and %compiler% with the %backend% backend
-  - cmd: PATH=%cd%;%MESON_PYTHON_PATH%;%PATH%; && python run_tests.py --backend=%backend%
+  - cmd: set "ORIG_PATH=%PATH%"
+  - cmd: if %compiler%==cygwin ( set "PATH=%CYGWIN_ROOT%\bin;%SYSTEMROOT%\system32" && bash -lc "cd $APPVEYOR_BUILD_FOLDER && ci/appveyor-test.sh" )
+  - cmd: if not %compiler%==cygwin ( set "PATH=%cd%;%MESON_PYTHON_PATH%;%PATH%;" && python run_tests.py --backend=%backend% )
 
 on_finish:
+  - set "PATH=%ORIG_PATH%"
   - appveyor PushArtifact meson-test-run.txt -DeploymentName "Text test logs"
   - appveyor PushArtifact meson-test-run.xml -DeploymentName "XML test logs"
+
+cache:
+  - C:\cache

authors.txt

@@ -76,3 +76,4 @@ melak47
 Philipp Ittershagen
 Dylan Baker
 Aaron Plattner
+Jon Turney

ci/appveyor-install.bat

@@ -0,0 +1,11 @@
+set CACHE=C:\cache
+set CYGWIN_MIRROR="http://cygwin.mirror.constant.com"
+
+if _%arch%_ == _x64_ set SETUP=setup-x86_64.exe && set CYGWIN_ROOT=C:\cygwin64
+if _%arch%_ == _x86_ set SETUP=setup-x86.exe && set CYGWIN_ROOT=C:\cygwin
+
+if not exist %CACHE% mkdir %CACHE%
+
+echo Updating Cygwin and installing ninja and test prerequisites
+%CYGWIN_ROOT%\%SETUP% -qnNdO -R "%CYGWIN_ROOT%" -s "%CYGWIN_MIRROR%" -l "%CACHE%" -g -P "ninja,gcc-objc,gcc-objc++,libglib2.0-devel,zlib-devel"
+echo Install done

ci/appveyor-test.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+echo ninja $(ninja --version)
+python3 --version -V
+
+python3 run_tests.py --backend=${backend}

mesonbuild/backend/backends.py

@@ -252,7 +252,7 @@ class Backend:
                 exe_wrapper = self.environment.cross_info.config['binaries'].get('exe_wrapper', None)
             else:
                 exe_wrapper = None
-            if mesonlib.is_windows():
+            if mesonlib.is_windows() or mesonlib.is_cygwin():
                 extra_paths = self.determine_windows_extra_paths(exe)
             else:
                 extra_paths = []
@@ -481,7 +481,7 @@ class Backend:
                 exe_wrapper = self.environment.cross_info.config['binaries'].get('exe_wrapper', None)
             else:
                 exe_wrapper = None
-            if mesonlib.is_windows():
+            if mesonlib.is_windows() or mesonlib.is_cygwin():
                 extra_paths = self.determine_windows_extra_paths(exe)
             else:
                 extra_paths = []

mesonbuild/backend/ninjabackend.py

@@ -492,7 +492,7 @@ int dummy;
         # the project, we need to set PATH so the DLLs are found. We use
         # a serialized executable wrapper for that and check if the
         # CustomTarget command needs extra paths first.
-        if target.capture or (mesonlib.is_windows() and
+        if target.capture or ((mesonlib.is_windows() or mesonlib.is_cygwin()) and
                               self.determine_windows_extra_paths(target.command[0])):
             exe_data = self.serialise_executable(target.command[0], cmd[1:],
                                                  # All targets are built from the build dir

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,
@@ -997,7 +997,8 @@ class Executable(BuildTarget):
             self.prefix = ''
         if not hasattr(self, 'suffix'):
             # Executable for Windows or C#/Mono
-            if for_windows(is_cross, environment) or 'cs' in self.compilers:
+            if (for_windows(is_cross, environment) or
+                for_cygwin(is_cross, environment) or 'cs' in self.compilers):
                 self.suffix = 'exe'
             else:
                 self.suffix = ''
@@ -1120,6 +1121,18 @@ 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'

mesonbuild/compilers.py

@@ -2309,6 +2309,7 @@ class VisualStudioCPPCompiler(VisualStudioCCompiler, CPPCompiler):
 GCC_STANDARD = 0
 GCC_OSX = 1
 GCC_MINGW = 2
+GCC_CYGWIN = 3
 
 CLANG_STANDARD = 0
 CLANG_OSX = 1
@@ -2324,7 +2325,7 @@ def get_gcc_soname_args(gcc_type, prefix, shlib_name, suffix, path, soversion, i
         sostr = ''
     else:
         sostr = '.' + soversion
-    if gcc_type == GCC_STANDARD or gcc_type == GCC_MINGW:
+    if gcc_type in (GCC_STANDARD, GCC_MINGW, GCC_CYGWIN):
         # Might not be correct for mingw but seems to work.
         return ['-Wl,-soname,%s%s.%s%s' % (prefix, shlib_name, suffix, sostr)]
     elif gcc_type == GCC_OSX:
@@ -2398,7 +2399,7 @@ class GnuCompiler:
             return self.defines[define]
 
     def get_pic_args(self):
-        if self.gcc_type in (GCC_MINGW, GCC_OSX):
+        if self.gcc_type in (GCC_CYGWIN, GCC_MINGW, GCC_OSX):
             return [] # On Window and OS X, pic is always on.
         return ['-fPIC']
 
@@ -2796,7 +2797,7 @@ class FortranCompiler(Compiler):
         return ' '.join(self.exelist)
 
     def get_pic_args(self):
-        if self.gcc_type in (GCC_MINGW, GCC_OSX):
+        if self.gcc_type in (GCC_CYGWIN, GCC_MINGW, GCC_OSX):
             return [] # On Window and OS X, pic is always on.
         return ['-fPIC']
 

mesonbuild/environment.py

@@ -158,7 +158,10 @@ def detect_cpu(compilers):
     return trial
 
 def detect_system():
-    return platform.system().lower()
+    system = platform.system().lower()
+    if system.startswith('cygwin'):
+        return 'cygwin'
+    return system
 
 
 def for_windows(is_cross, env):
@@ -173,6 +176,20 @@ def for_windows(is_cross, env):
         return env.cross_info.config['host_machine']['system'] == 'windows'
     return False
 
+
+def for_cygwin(is_cross, env):
+    """
+    Host machine is cygwin?
+
+    Note: 'host' is the machine on which compiled binaries will run
+    """
+    if not is_cross:
+        return mesonlib.is_cygwin()
+    elif env.cross_info.has_host():
+        return env.cross_info.config['host_machine']['system'] == 'cygwin'
+    return False
+
+
 def for_darwin(is_cross, env):
     """
     Host machine is Darwin (iOS/OS X)?
@@ -257,6 +274,11 @@ class Environment:
             self.exe_suffix = 'exe'
             self.object_suffix = 'obj'
             self.win_libdir_layout = True
+        elif (not cross and mesonlib.is_cygwin()) \
+                or (cross and self.cross_info.has_host() and self.cross_info.config['host_machine']['system'] == 'cygwin'):
+            self.exe_suffix = 'exe'
+            self.object_suffix = 'o'
+            self.win_libdir_layout = True
         else:
             self.exe_suffix = ''
             self.object_suffix = 'o'
@@ -368,7 +390,8 @@ class Environment:
             return GCC_OSX
         elif '__MINGW32__' in defines or '__MINGW64__' in defines:
             return GCC_MINGW
-        # We ignore Cygwin for now, and treat it as a standard GCC
+        elif '__CYGWIN__' in defines:
+            return GCC_CYGWIN
         return GCC_STANDARD
 
     def _get_compilers(self, lang, evar, want_cross):

mesonbuild/mesonlib.py

@@ -212,6 +212,10 @@ def is_windows():
     platname = platform.system().lower()
     return platname == 'windows' or 'mingw' in platname
 
+def is_cygwin():
+    platname = platform.system().lower()
+    return platname.startswith('cygwin')
+
 def is_debianlike():
     return os.path.isfile('/etc/debian_version')
 

mesonbuild/scripts/meson_exe.py

@@ -29,8 +29,12 @@ def is_windows():
     platname = platform.system().lower()
     return platname == 'windows' or 'mingw' in platname
 
+def is_cygwin():
+    platname = platform.system().lower()
+    return 'cygwin' in platname
+
 def run_with_mono(fname):
-    if fname.endswith('.exe') and not is_windows():
+    if fname.endswith('.exe') and not (is_windows() or is_cygwin()):
         return True
     return False
 

mesonbuild/scripts/meson_install.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import sys, pickle, os, shutil, subprocess, gzip, platform
+import sys, pickle, os, shutil, subprocess, gzip, platform, errno
 from glob import glob
 from . import depfixer
 from . import destdir_join
@@ -34,6 +34,15 @@ def set_mode(path, mode):
         except PermissionError as e:
             msg = '{!r}: Unable to set owner {!r} and group {!r}: {}, ignoring...'
             print(msg.format(path, mode.owner, mode.group, e.strerror))
+        except LookupError as e:
+            msg = '{!r}: Non-existent owner {!r} or group {!r}: ignoring...'
+            print(msg.format(path, mode.owner, mode.group))
+        except OSError as e:
+            if e.errno == errno.EINVAL:
+                msg = '{!r}: Non-existent numeric owner {!r} or group {!r}: ignoring...'
+                print(msg.format(path, mode.owner, mode.group))
+            else:
+                raise
     # Must set permissions *after* setting owner/group otherwise the
     # setuid/setgid bits will get wiped by chmod
     # NOTE: On Windows you can set read/write perms; the rest are ignored
@@ -193,7 +202,7 @@ def run_install_script(d):
 
 def is_elf_platform():
     platname = platform.system().lower()
-    if platname == 'darwin' or platname == 'windows':
+    if platname == 'darwin' or platname == 'windows' or platname == 'cygwin':
         return False
     return True
 

mesontest.py

@@ -36,6 +36,10 @@ def is_windows():
     platname = platform.system().lower()
     return platname == 'windows' or 'mingw' in platname
 
+def is_cygwin():
+    platname = platform.system().lower()
+    return 'cygwin' in platname
+
 def determine_worker_count():
     varname = 'MESON_TESTTHREADS'
     if varname in os.environ:
@@ -150,7 +154,7 @@ def write_json_log(jsonlogfile, test_name, result):
     jsonlogfile.write(json.dumps(jresult) + '\n')
 
 def run_with_mono(fname):
-    if fname.endswith('.exe') and not is_windows():
+    if fname.endswith('.exe') and not (is_windows() or is_cygwin()):
         return True
     return False
 
@@ -202,7 +206,7 @@ class TestHarness:
 
             child_env.update(test.env)
             if len(test.extra_paths) > 0:
-                child_env['PATH'] += ';'.join([''] + test.extra_paths)
+                child_env['PATH'] += os.pathsep.join([''] + test.extra_paths)
 
             # If MALLOC_PERTURB_ is not set, or if it is set to an empty value,
             # (i.e., the test or the environment don't explicitly set it), set

run_project_tests.py

@@ -31,6 +31,7 @@ import xml.etree.ElementTree as ET
 import time
 import multiprocessing
 import concurrent.futures as conc
+import re
 
 from mesonbuild.coredata import backendlist
 
@@ -208,12 +209,18 @@ def get_relative_files_list_from_dir(fromdir):
             paths.append(path)
     return paths
 
-def platform_fix_exe_name(fname):
-    if not fname.endswith('?exe'):
-        return fname
+def platform_fix_name(fname):
+    if '?lib' in fname:
+        if mesonlib.is_cygwin():
+            fname = re.sub(r'\?lib(.*)\.dll$', r'cyg\1.dll', fname)
+        else:
+            fname = re.sub(r'\?lib', 'lib', fname)
+
+    if fname.endswith('?exe'):
         fname = fname[:-4]
-    if mesonlib.is_windows():
+        if mesonlib.is_windows() or mesonlib.is_cygwin():
             return fname + '.exe'
+
     return fname
 
 def validate_install(srcdir, installdir):
@@ -230,13 +237,16 @@ def validate_install(srcdir, installdir):
     elif os.path.exists(info_file):
         with open(info_file) as f:
             for line in f:
-                expected[platform_fix_exe_name(line.strip())] = False
+                expected[platform_fix_name(line.strip())] = False
     # Check if expected files were found
     for fname in expected:
         if os.path.exists(os.path.join(installdir, fname)):
             expected[fname] = True
     for (fname, found) in expected.items():
         if not found:
+            # Ignore missing PDB files if we aren't using cl
+            if fname.endswith('.pdb') and compiler != 'cl':
+                continue
             ret_msg += 'Expected file {0} missing.\n'.format(fname)
     # Check if there are any unexpected files
     found = get_relative_files_list_from_dir(installdir)
@@ -437,9 +447,9 @@ def detect_tests_to_run():
     all_tests.append(('prebuilt', gather_tests('test cases/prebuilt'), False))
 
     all_tests.append(('platform-osx', gather_tests('test cases/osx'), False if mesonlib.is_osx() else True))
-    all_tests.append(('platform-windows', gather_tests('test cases/windows'), False if mesonlib.is_windows() else True))
+    all_tests.append(('platform-windows', gather_tests('test cases/windows'), False if mesonlib.is_windows() or mesonlib.is_cygwin() else True))
     all_tests.append(('platform-linux', gather_tests('test cases/linuxlike'), False if not (mesonlib.is_osx() or mesonlib.is_windows()) else True))
-    all_tests.append(('framework', gather_tests('test cases/frameworks'), False if not mesonlib.is_osx() and not mesonlib.is_windows() else True))
+    all_tests.append(('framework', gather_tests('test cases/frameworks'), False if not mesonlib.is_osx() and not mesonlib.is_windows() and not mesonlib.is_cygwin() else True))
     all_tests.append(('java', gather_tests('test cases/java'), False if using_backend('ninja') and not mesonlib.is_osx() and have_java() else True))
     all_tests.append(('C#', gather_tests('test cases/csharp'), False if using_backend('ninja') and shutil.which('mcs') else True))
     all_tests.append(('vala', gather_tests('test cases/vala'), False if using_backend('ninja') and shutil.which('valac') else True))

run_unittests.py

@@ -24,11 +24,11 @@ from pathlib import PurePath
 import mesonbuild.compilers
 import mesonbuild.environment
 import mesonbuild.mesonlib
-from mesonbuild.mesonlib import is_windows, is_osx
+from mesonbuild.mesonlib import is_windows, is_osx, is_cygwin
 from mesonbuild.environment import detect_ninja, Environment
 from mesonbuild.dependencies import PkgConfigDependency, ExternalProgram
 
-if is_windows():
+if is_windows() or is_cygwin():
     exe_suffix = '.exe'
 else:
     exe_suffix = ''
@@ -833,6 +833,8 @@ class AllPlatformTests(BasePlatformTests):
                     self.assertEqual(cc.gcc_type, mesonbuild.compilers.GCC_OSX)
                 elif is_windows():
                     self.assertEqual(cc.gcc_type, mesonbuild.compilers.GCC_MINGW)
+                elif is_cygwin():
+                    self.assertEqual(cc.gcc_type, mesonbuild.compilers.GCC_CYGWIN)
                 else:
                     self.assertEqual(cc.gcc_type, mesonbuild.compilers.GCC_STANDARD)
             if isinstance(cc, clang):

test cases/common/125 shared module/meson.build

@@ -5,7 +5,8 @@ l = shared_library('runtime', 'runtime.c')
 # Do NOT link the module with the runtime library. This
 # is a common approach for plugins that are only used
 # with dlopen. Any symbols are resolved dynamically
-# at runtime
+# at runtime.  This requires extra help on Windows, so
+# should be avoided unless really neccessary.
 m = shared_module('mymodule', 'module.c')
 e = executable('prog', 'prog.c', link_with : l, dependencies : dl)
 test('import test', e, args : m)

test cases/common/125 shared module/module.c

@@ -9,14 +9,24 @@
   #endif
 #endif
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 
 #include <stdio.h>
-#include <windows.h>
-#include <tlhelp32.h>
 
 typedef int (*fptr) (void);
 
+#ifdef __CYGWIN__
+
+#include <dlfcn.h>
+
+fptr find_any_f (const char *name) {
+    return (fptr) dlsym(RTLD_DEFAULT, name);
+}
+#else /* _WIN32 */
+
+#include <windows.h>
+#include <tlhelp32.h>
+
 /* Unlike Linux and OS X, when a library is loaded, all the symbols aren't
  * loaded into a single namespace. You must fetch the symbol by iterating over
  * all loaded modules. Code for finding the function from any of the loaded
@@ -45,6 +55,7 @@ fptr find_any_f (const char *name) {
     CloseHandle (snapshot);
     return f;
 }
+#endif
 
 int DLL_PUBLIC func() {
     fptr f;

test cases/common/126 llvm ir and assembly/square-x86_64.S

@@ -19,12 +19,12 @@ END
 .text
 .globl SYMBOL_NAME(square_unsigned)
 
-# ifdef _WIN32 /* MinGW */
+# if defined(_WIN32) || defined(__CYGWIN__) /* msabi */
 SYMBOL_NAME(square_unsigned):
 	imull	%ecx, %ecx
 	movl	%ecx, %eax
 	retq
-# else /* Linux and OS X */
+# else /* sysvabi */
 SYMBOL_NAME(square_unsigned):
 	imull	%edi, %edi
 	movl	%edi, %eax

test cases/common/135 generated assembly/main.c

@@ -1,5 +1,8 @@
 #include <stdio.h>
 
+#if defined(_WIN32) || defined(__CYGWIN__)
+ __declspec(dllimport)
+#endif
 unsigned square_unsigned (unsigned a);
 
 int

test cases/common/135 generated assembly/square-x86_64.S.in

@@ -23,12 +23,12 @@ END
 .type  square_unsigned,@function
 # endif
 
-# ifdef _WIN32 /* MinGW */
+# if defined(_WIN32) || defined(__CYGWIN__) /* msabi */
 SYMBOL_NAME(square_unsigned):
 	imull	%ecx, %ecx
 	movl	%ecx, %eax
 	retq
-# else /* Linux and OS X */
+# else /* sysvabi */
 SYMBOL_NAME(square_unsigned):
 	imull	%edi, %edi
 	movl	%edi, %eax

test cases/common/140 get define/meson.build

@@ -13,6 +13,9 @@ foreach lang : ['c', 'cpp']
   elif host_system == 'windows'
     d = cc.get_define('_WIN32')
     assert(d == '1', '_WIN32 value is @0@ instead of 1'.format(d))
+  elif host_system == 'cygwin'
+    d = cc.get_define('__CYGWIN__')
+    assert(d == '1', '__CYGWIN__ value is @0@ instead of 1'.format(d))
   else
     error('Please report a bug and help us improve support for this platform')
   endif

test cases/common/37 has header/meson.build

@@ -11,19 +11,19 @@ configure_file(input : non_existant_header,
 
 # Test that the fallback to __has_include also works on all compilers
 if host_system != 'darwin'
-  args = [[], ['-U__has_include']]
+  fallbacks = ['', '\n#undef __has_include']
 else
   # On Darwin's clang you can't redefine builtin macros so the above doesn't work
-  args = [[]]
+  fallbacks = ['']
 endif
 
-foreach arg : args
+foreach fallback : fallbacks
   foreach comp : [meson.get_compiler('c'), meson.get_compiler('cpp')]
-    assert(comp.has_header('stdio.h', args : arg), 'Stdio missing.')
+    assert(comp.has_header('stdio.h', prefix : fallback), 'Stdio missing.')
 
     # stdio.h doesn't actually need stdlib.h, but just test that setting the
     # prefix does not result in an error.
-    assert(comp.has_header('stdio.h', prefix : '#include <stdlib.h>', args : arg),
+    assert(comp.has_header('stdio.h', prefix : '#include <stdlib.h>' + fallback),
            'Stdio missing.')
 
     # XInput.h should not require type definitions from windows.h, but it does
@@ -32,9 +32,9 @@ foreach arg : args
     # We only do this check on MSVC because MinGW often defines its own wrappers
     # that pre-include windows.h
     if comp.get_id() == 'msvc'
-      assert(comp.has_header('XInput.h', prefix : '#include <windows.h>', args : arg),
+      assert(comp.has_header('XInput.h', prefix : '#include <windows.h>' + fallback),
              'XInput.h should not be missing on Windows')
-      assert(comp.has_header('XInput.h', prefix : '#define _X86_', args : arg),
+      assert(comp.has_header('XInput.h', prefix : '#define _X86_' + fallback),
              'XInput.h should not need windows.h')
     endif
 
@@ -42,13 +42,13 @@ foreach arg : args
     # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80005
     # https://github.com/mesonbuild/meson/issues/1458
     if host_system == 'linux'
-      assert(comp.has_header('linux/if.h', args : arg),
+      assert(comp.has_header('linux/if.h', prefix : fallback),
              'Could not find <linux/if.h>')
     endif
 
     # This header exists in the source and the builddir, but we still must not
     # find it since we are looking in the system directories.
-    assert(not comp.has_header(non_existant_header, args : arg),
+    assert(not comp.has_header(non_existant_header, prefix : fallback),
            'Found non-existant header.')
   endforeach
 endforeach

test cases/failing/19 target clash/meson.build

@@ -7,7 +7,7 @@ project('clash', 'c')
 # This test might fail to work on different backends or when
 # output location is redirected.
 
-if host_machine.system() == 'windows'
+if host_machine.system() == 'windows' or host_machine.system() == 'cygwin'
   error('This is expected.')
 endif
 

test cases/linuxlike/10 large file support/meson.build

@@ -1,5 +1,9 @@
 project('trivial test', 'c')
 
+if host_machine.system() == 'cygwin'
+  error('MESON_SKIP_TEST _FILE_OFFSET_BITS not yet supported on Cygwin.')
+endif
+
 cc = meson.get_compiler('c')
 
 size = cc.sizeof('off_t')

test cases/linuxlike/7 library versions/meson.build

@@ -1,5 +1,9 @@
 project('library versions', 'c')
 
+if host_machine.system() == 'cygwin'
+  error('MESON_SKIP_TEST linuxlike soversions not supported on Cygwin.')
+endif
+
 some = shared_library('some', 'lib.c',
   version : '1.2.3',
   soversion : '0',

test cases/linuxlike/8 subproject library install/meson.build

@@ -2,5 +2,9 @@ project('subproj lib install', 'c',
   version : '2.3.4',
   license : 'mylicense')
 
+if host_machine.system() == 'cygwin'
+  error('MESON_SKIP_TEST linuxlike soversions not supported on Cygwin.')
+endif
+
 # Test that the subproject library gets installed
 subproject('sublib', version : '1.0.0')

test cases/objc/2 nsstring/meson.build

@@ -2,6 +2,8 @@ project('nsstring', 'objc')
 
 if host_machine.system() == 'darwin'
   dep = dependency('appleframeworks', modules : 'foundation')
+elif host_machine.system() == 'cygwin'
+  error('MESON_SKIP_TEST GNUstep is not packaged for Cygwin.')
 else
   dep = dependency('gnustep')
   if host_machine.system() == 'linux' and meson.get_compiler('objc').get_id() == 'clang'

test cases/windows/5 resources/meson.build

@@ -3,7 +3,7 @@ project('winmain', 'c')
 # MinGW windres has a bug due to which it doesn't parse args with space properly:
 # https://github.com/mesonbuild/meson/pull/1346
 # https://sourceware.org/bugzilla/show_bug.cgi?id=4933
-if meson.get_compiler('c').get_id() == 'gcc'
+if meson.get_compiler('c').get_id() == 'gcc' and host_machine.system() == 'windows'
   # Construct build_to_src and skip this test if it has spaces
   # because then the -I flag to windres will also have spaces
   # and we know the test will fail

test cases/windows/7 mingw dll versioning/installed_files.txt

@@ -1,8 +1,8 @@
-usr/bin/libsome-0.dll
+usr/bin/?libsome-0.dll
 usr/lib/libsome.dll.a
-usr/bin/libnoversion.dll
+usr/bin/?libnoversion.dll
 usr/lib/libnoversion.dll.a
-usr/bin/libonlyversion-1.dll
+usr/bin/?libonlyversion-1.dll
 usr/lib/libonlyversion.dll.a
-usr/bin/libonlysoversion-5.dll
+usr/bin/?libonlysoversion-5.dll
 usr/lib/libonlysoversion.dll.a