| # Copyright 2017 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import glob |
| import os |
| import unittest |
| from src.test.py.bazel import test_base |
| |
| |
| class BazelWindowsCppTest(test_base.TestBase): |
| |
| def createProjectFiles(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('BUILD', [ |
| 'package(', |
| ' default_visibility = ["//visibility:public"],', |
| ' features=["windows_export_all_symbols"]', |
| ')', |
| '', |
| 'cc_library(', |
| ' name = "A",', |
| ' srcs = ["a.cc"],', |
| ' hdrs = ["a.h"],', |
| ' copts = ["/DCOMPILING_A_DLL"],', |
| ' features = ["no_windows_export_all_symbols"],', |
| ')', |
| '', |
| 'cc_library(', |
| ' name = "B",', |
| ' srcs = ["b.cc"],', |
| ' hdrs = ["b.h"],', |
| ' deps = [":A"],', |
| ' copts = ["/DNO_DLLEXPORT"],', |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "C",', |
| ' srcs = ["c.cc"],', |
| ' deps = [":A", ":B" ],', |
| ' linkstatic = 0,', |
| ')', |
| ]) |
| |
| self.ScratchFile('a.cc', [ |
| '#include <stdio.h>', |
| '#include "a.h"', |
| 'int a = 0;', |
| 'void hello_A() {', |
| ' a++;', |
| ' printf("Hello A, %d\\n", a);', |
| '}', |
| ]) |
| |
| self.ScratchFile('b.cc', [ |
| '#include <stdio.h>', |
| '#include "a.h"', |
| '#include "b.h"', |
| 'void hello_B() {', |
| ' hello_A();', |
| ' printf("Hello B\\n");', |
| '}', |
| ]) |
| header_temp = [ |
| '#ifndef %{name}_H', |
| '#define %{name}_H', |
| '', |
| '#if NO_DLLEXPORT', |
| ' #define DLLEXPORT', |
| '#elif COMPILING_%{name}_DLL', |
| ' #define DLLEXPORT __declspec(dllexport)', |
| '#else', |
| ' #define DLLEXPORT __declspec(dllimport)', |
| '#endif', |
| '', |
| 'DLLEXPORT void hello_%{name}();', |
| '', |
| '#endif', |
| ] |
| self.ScratchFile('a.h', |
| [line.replace('%{name}', 'A') for line in header_temp]) |
| self.ScratchFile('b.h', |
| [line.replace('%{name}', 'B') for line in header_temp]) |
| |
| c_cc_content = [ |
| '#include <stdio.h>', |
| '#include "a.h"', |
| '#include "b.h"', |
| '', |
| 'void hello_C() {', |
| ' hello_A();', |
| ' hello_B();', |
| ' printf("Hello C\\n");', |
| '}', |
| '', |
| 'int main() {', |
| ' hello_C();', |
| ' return 0;', |
| '}', |
| ] |
| |
| self.ScratchFile('c.cc', c_cc_content) |
| |
| self.ScratchFile('lib/BUILD', [ |
| 'cc_library(', |
| ' name = "A",', |
| ' srcs = ["dummy.cc"],', |
| ' features = ["windows_export_all_symbols"],', |
| ' visibility = ["//visibility:public"],', |
| ')', |
| ]) |
| self.ScratchFile('lib/dummy.cc', ['void dummy() {}']) |
| |
| self.ScratchFile('main/main.cc', c_cc_content) |
| |
| def getBazelInfo(self, info_key): |
| exit_code, stdout, stderr = self.RunBazel(['info', info_key]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| return stdout[0] |
| |
| def testBuildDynamicLibraryWithUserExportedSymbol(self): |
| self.createProjectFiles() |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| # //:A export symbols by itself using __declspec(dllexport), so it doesn't |
| # need Bazel to export symbols using DEF file. |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//:A', '--output_groups=dynamic_library']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # TODO(pcloudy): change suffixes to .lib and .dll after making DLL |
| # extensions correct on Windows. |
| import_library = os.path.join(bazel_bin, 'A.if.lib') |
| shared_library = os.path.join(bazel_bin, 'A.dll') |
| empty_def_file = os.path.join(bazel_bin, 'A.gen.empty.def') |
| |
| self.assertTrue(os.path.exists(import_library)) |
| self.assertTrue(os.path.exists(shared_library)) |
| # An empty DEF file should be generated for //:A |
| self.assertTrue(os.path.exists(empty_def_file)) |
| |
| def testBuildDynamicLibraryWithExportSymbolFeature(self): |
| self.createProjectFiles() |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| # //:B doesn't export symbols by itself, so it need Bazel to export symbols |
| # using DEF file. |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//:B', '--output_groups=dynamic_library']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # TODO(pcloudy): change suffixes to .lib and .dll after making DLL |
| # extensions correct on Windows. |
| import_library = os.path.join(bazel_bin, 'B.if.lib') |
| shared_library = os.path.join(bazel_bin, 'B.dll') |
| def_file = os.path.join(bazel_bin, 'B.gen.def') |
| self.assertTrue(os.path.exists(import_library)) |
| self.assertTrue(os.path.exists(shared_library)) |
| # DEF file should be generated for //:B |
| self.assertTrue(os.path.exists(def_file)) |
| |
| # Test build //:B if windows_export_all_symbols feature is disabled by |
| # no_windows_export_all_symbols. |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//:B', '--output_groups=dynamic_library', |
| '--features=no_windows_export_all_symbols' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| import_library = os.path.join(bazel_bin, 'B.if.lib') |
| shared_library = os.path.join(bazel_bin, 'B.dll') |
| empty_def_file = os.path.join(bazel_bin, 'B.gen.empty.def') |
| self.assertTrue(os.path.exists(import_library)) |
| self.assertTrue(os.path.exists(shared_library)) |
| # An empty DEF file should be generated for //:B |
| self.assertTrue(os.path.exists(empty_def_file)) |
| self.AssertFileContentNotContains(empty_def_file, 'hello_B') |
| |
| def testBuildCcBinaryWithDependenciesDynamicallyLinked(self): |
| self.createProjectFiles() |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| # Since linkstatic=0 is specified for //:C, it's dependencies should be |
| # dynamically linked. |
| exit_code, _, stderr = self.RunBazel(['build', '//:C']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # TODO(pcloudy): change suffixes to .lib and .dll after making DLL |
| # extensions correct on |
| # Windows. |
| # a_import_library |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'A.if.lib'))) |
| # a_shared_library |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'A.dll'))) |
| # a_def_file |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'A.gen.empty.def'))) |
| # b_import_library |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'B.if.lib'))) |
| # b_shared_library |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'B.dll'))) |
| # b_def_file |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'B.gen.def'))) |
| # c_exe |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'C.exe'))) |
| |
| def testBuildCcBinaryFromDifferentPackage(self): |
| self.createProjectFiles() |
| self.ScratchFile('main/BUILD', [ |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B"],', |
| ' linkstatic = 0,' |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel(['build', '//main:main']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Test if A.dll and B.dll are copied to the directory of main.exe |
| main_bin = os.path.join(bazel_bin, 'main/main.exe') |
| self.assertTrue(os.path.exists(main_bin)) |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'main/A.dll'))) |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'main/B.dll'))) |
| |
| # Run the binary to see if it runs successfully |
| exit_code, stdout, stderr = self.RunProgram([main_bin]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertEqual(['Hello A, 1', 'Hello A, 2', 'Hello B', 'Hello C'], stdout) |
| |
| def testBuildCcBinaryDependsOnConflictDLLs(self): |
| self.createProjectFiles() |
| self.ScratchFile( |
| 'main/BUILD', |
| [ |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B", "//lib:A"],', # Transitively depends on //:A |
| ' linkstatic = 0,' |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| # //main:main depends on both //lib:A and //:A |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//main:main', '--incompatible_avoid_conflict_dlls']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Run the binary to see if it runs successfully |
| main_bin = os.path.join(bazel_bin, 'main/main.exe') |
| exit_code, stdout, stderr = self.RunProgram([main_bin]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertEqual(['Hello A, 1', 'Hello A, 2', 'Hello B', 'Hello C'], stdout) |
| # There are 2 A_{hash}.dll since //main:main depends on both //lib:A and |
| # //:A |
| self.assertEqual( |
| len(glob.glob(os.path.join(bazel_bin, 'main', 'A_*.dll'))), 2) |
| # There is only 1 B_{hash}.dll |
| self.assertEqual( |
| len(glob.glob(os.path.join(bazel_bin, 'main', 'B_*.dll'))), 1) |
| |
| def testBuildDifferentCcBinariesDependOnConflictDLLs(self): |
| self.createProjectFiles() |
| self.ScratchFile( |
| 'main/BUILD', |
| [ |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B"],', # Transitively depends on //:A |
| ' linkstatic = 0,' |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "other_main",', |
| ' srcs = ["other_main.cc"],', |
| ' deps = ["//lib:A"],', |
| ' linkstatic = 0,' |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| self.ScratchFile('main/other_main.cc', ['int main() {return 0;}']) |
| |
| # Building //main:main should succeed |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//main:main', '--incompatible_avoid_conflict_dlls']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| main_bin = os.path.join(bazel_bin, 'main/main.exe') |
| |
| # Run the main_bin binary to see if it runs successfully |
| exit_code, stdout, stderr = self.RunProgram([main_bin]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertEqual(['Hello A, 1', 'Hello A, 2', 'Hello B', 'Hello C'], stdout) |
| # There is only 1 A_{hash}.dll since //main:main depends transitively on |
| # //:A |
| self.assertEqual( |
| len(glob.glob(os.path.join(bazel_bin, 'main', 'A_*.dll'))), 1) |
| # There is only 1 B_{hash}.dll |
| self.assertEqual( |
| len(glob.glob(os.path.join(bazel_bin, 'main', 'B_*.dll'))), 1) |
| |
| # Building //main:other_main should succeed |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//main:main', '//main:other_main', |
| '--incompatible_avoid_conflict_dlls' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| other_main_bin = os.path.join(bazel_bin, 'main/other_main.exe') |
| |
| # Run the other_main_bin binary to see if it runs successfully |
| exit_code, stdout, stderr = self.RunProgram([other_main_bin]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| # There are 2 A_{hash}.dll since //main:main depends on //:A |
| # and //main:other_main depends on //lib:A |
| self.assertEqual( |
| len(glob.glob(os.path.join(bazel_bin, 'main', 'A_*.dll'))), 2) |
| |
| def testDLLIsCopiedFromExternalRepo(self): |
| self.ScratchFile('ext_repo/WORKSPACE') |
| self.ScratchFile('ext_repo/BUILD', [ |
| 'cc_library(', |
| ' name = "A",', |
| ' srcs = ["a.cc"],', |
| ' features = ["windows_export_all_symbols"],', |
| ' visibility = ["//visibility:public"],', |
| ')', |
| ]) |
| self.ScratchFile('ext_repo/a.cc', [ |
| '#include <stdio.h>', |
| 'void hello_A() {', |
| ' printf("Hello A\\n");', |
| '}', |
| ]) |
| self.ScratchFile('WORKSPACE', [ |
| 'local_repository(', |
| ' name = "ext_repo",', |
| ' path = "ext_repo",', |
| ')', |
| ]) |
| self.ScratchFile('BUILD', [ |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["@ext_repo//:A"],', |
| ' linkstatic = 0,', |
| ')', |
| ]) |
| self.ScratchFile('main.cc', [ |
| 'extern void hello_A();', |
| '', |
| 'int main() {', |
| ' hello_A();', |
| ' return 0;', |
| '}', |
| ]) |
| |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel(['build', '//:main']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Test if A.dll is copied to the directory of main.exe |
| main_bin = os.path.join(bazel_bin, 'main.exe') |
| self.assertTrue(os.path.exists(main_bin)) |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'A.dll'))) |
| |
| # Run the binary to see if it runs successfully |
| exit_code, stdout, stderr = self.RunProgram([main_bin]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertEqual(['Hello A'], stdout) |
| |
| def testDynamicLinkingMSVCRT(self): |
| self.createProjectFiles() |
| bazel_output = self.getBazelInfo('output_path') |
| |
| # By default, it should link to msvcrt dynamically. |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//:A', '--output_groups=dynamic_library', '-s']) |
| paramfile = os.path.join( |
| bazel_output, 'x64_windows-fastbuild/bin/A.dll-2.params') |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertIn('/MD', ''.join(stderr)) |
| self.AssertFileContentContains(paramfile, '/DEFAULTLIB:msvcrt.lib') |
| self.assertNotIn('/MT', ''.join(stderr)) |
| self.AssertFileContentNotContains(paramfile, '/DEFAULTLIB:libcmt.lib') |
| |
| # Test build in debug mode. |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '-c', 'dbg', '//:A', '--output_groups=dynamic_library', '-s']) |
| paramfile = os.path.join(bazel_output, 'x64_windows-dbg/bin/A.dll-2.params') |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertIn('/MDd', ''.join(stderr)) |
| self.AssertFileContentContains(paramfile, '/DEFAULTLIB:msvcrtd.lib') |
| self.assertNotIn('/MTd', ''.join(stderr)) |
| self.AssertFileContentNotContains(paramfile, '/DEFAULTLIB:libcmtd.lib') |
| |
| def testStaticLinkingMSVCRT(self): |
| self.createProjectFiles() |
| bazel_output = self.getBazelInfo('output_path') |
| |
| # With static_link_msvcrt feature, it should link to msvcrt statically. |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//:A', '--output_groups=dynamic_library', |
| '--features=static_link_msvcrt', '-s' |
| ]) |
| paramfile = os.path.join( |
| bazel_output, 'x64_windows-fastbuild/bin/A.dll-2.params') |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertNotIn('/MD', ''.join(stderr)) |
| self.AssertFileContentNotContains(paramfile, '/DEFAULTLIB:msvcrt.lib') |
| self.assertIn('/MT', ''.join(stderr)) |
| self.AssertFileContentContains(paramfile, '/DEFAULTLIB:libcmt.lib') |
| |
| # Test build in debug mode. |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '-c', 'dbg', '//:A', '--output_groups=dynamic_library', |
| '--features=static_link_msvcrt', '-s' |
| ]) |
| paramfile = os.path.join(bazel_output, 'x64_windows-dbg/bin/A.dll-2.params') |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertNotIn('/MDd', ''.join(stderr)) |
| self.AssertFileContentNotContains(paramfile, '/DEFAULTLIB:msvcrtd.lib') |
| self.assertIn('/MTd', ''.join(stderr)) |
| self.AssertFileContentContains(paramfile, '/DEFAULTLIB:libcmtd.lib') |
| |
| def testBuildSharedLibraryFromCcBinaryWithStaticLink(self): |
| self.createProjectFiles() |
| self.ScratchFile( |
| 'main/BUILD', |
| [ |
| 'cc_binary(', |
| ' name = "main.dll",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B"],', # Transitively depends on //:A |
| ' linkstatic = 1,' |
| ' linkshared = 1,' |
| ' features=["windows_export_all_symbols"]', |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//main:main.dll', |
| '--output_groups=default,runtime_dynamic_libraries,interface_library' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| main_library = os.path.join(bazel_bin, 'main/main.dll') |
| main_interface = os.path.join(bazel_bin, 'main/main.dll.if.lib') |
| def_file = os.path.join(bazel_bin, 'main/main.dll.gen.def') |
| self.assertTrue(os.path.exists(main_library)) |
| self.assertTrue(os.path.exists(main_interface)) |
| self.assertTrue(os.path.exists(def_file)) |
| # A.dll and B.dll should not be copied. |
| self.assertFalse(os.path.exists(os.path.join(bazel_bin, 'main/A.dll'))) |
| self.assertFalse(os.path.exists(os.path.join(bazel_bin, 'main/B.dll'))) |
| self.AssertFileContentContains(def_file, 'hello_A') |
| self.AssertFileContentContains(def_file, 'hello_B') |
| self.AssertFileContentContains(def_file, 'hello_C') |
| |
| def testBuildSharedLibraryFromCcBinaryWithDynamicLink(self): |
| self.createProjectFiles() |
| self.ScratchFile( |
| 'main/BUILD', |
| [ |
| 'cc_binary(', |
| ' name = "main.dll",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B"],', # Transitively depends on //:A |
| ' linkstatic = 0,' |
| ' linkshared = 1,' |
| ' features=["windows_export_all_symbols"]', |
| ')', |
| '', |
| 'genrule(', |
| ' name = "renamed_main",', |
| ' srcs = [":main.dll"],', |
| ' outs = ["main_renamed.dll"],', |
| ' cmd = "cp $< $@",', |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//main:main.dll', |
| '--output_groups=default,runtime_dynamic_libraries,interface_library' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| main_library = os.path.join(bazel_bin, 'main/main.dll') |
| main_interface = os.path.join(bazel_bin, 'main/main.dll.if.lib') |
| def_file = os.path.join(bazel_bin, 'main/main.dll.gen.def') |
| self.assertTrue(os.path.exists(main_library)) |
| self.assertTrue(os.path.exists(main_interface)) |
| self.assertTrue(os.path.exists(def_file)) |
| # A.dll and B.dll should be built and copied because they belong to |
| # runtime_dynamic_libraries output group. |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'main/A.dll'))) |
| self.assertTrue(os.path.exists(os.path.join(bazel_bin, 'main/B.dll'))) |
| # hello_A and hello_B should not be exported. |
| self.AssertFileContentNotContains(def_file, 'hello_A') |
| self.AssertFileContentNotContains(def_file, 'hello_B') |
| self.AssertFileContentContains(def_file, 'hello_C') |
| |
| # The copy should succeed since //main:main.dll is only supposed to refer to |
| # main.dll, A.dll and B.dll should be in a separate output group. |
| exit_code, _, stderr = self.RunBazel(['build', '//main:renamed_main']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| def testGetDefFileOfSharedLibraryFromCcBinary(self): |
| self.createProjectFiles() |
| self.ScratchFile( |
| 'main/BUILD', |
| [ |
| 'cc_binary(', |
| ' name = "main.dll",', |
| ' srcs = ["main.cc"],', |
| ' deps = ["//:B"],', # Transitively depends on //:A |
| ' linkstatic = 1,' |
| ' linkshared = 1,' |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '//main:main.dll', '--output_groups=def_file']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Although windows_export_all_symbols is not specified for this target, |
| # we should still be able to get the DEF file by def_file output group. |
| def_file = os.path.join(bazel_bin, 'main/main.dll.gen.def') |
| self.assertTrue(os.path.exists(def_file)) |
| self.AssertFileContentContains(def_file, 'hello_A') |
| self.AssertFileContentContains(def_file, 'hello_B') |
| self.AssertFileContentContains(def_file, 'hello_C') |
| |
| def testBuildSharedLibraryWithoutAnySymbolExported(self): |
| self.createProjectFiles() |
| self.ScratchFile('BUILD', [ |
| 'cc_binary(', |
| ' name = "A.dll",', |
| ' srcs = ["a.cc", "a.h"],', |
| ' copts = ["/DNO_DLLEXPORT"],', |
| ' linkshared = 1,' |
| ')', |
| ]) |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| |
| exit_code, _, stderr = self.RunBazel(['build', '//:A.dll']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Although windows_export_all_symbols is not specified for this target, |
| # we should still be able to build a DLL without any symbol exported. |
| empty_def_file = os.path.join(bazel_bin, 'A.dll.gen.empty.def') |
| self.assertTrue(os.path.exists(empty_def_file)) |
| self.AssertFileContentNotContains(empty_def_file, 'hello_A') |
| |
| def testUsingDefFileGeneratedFromCcLibrary(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('lib_A.cc', ['void hello_A() {}']) |
| self.ScratchFile('lib_B.cc', ['void hello_B() {}']) |
| self.ScratchFile('BUILD', [ |
| 'cc_library(', |
| ' name = "lib_A",', |
| ' srcs = ["lib_A.cc"],', |
| ')', |
| '', |
| 'cc_library(', |
| ' name = "lib_B",', |
| ' srcs = ["lib_B.cc"],', |
| ' deps = [":lib_A"]', |
| ')', |
| '', |
| 'filegroup(', |
| ' name = "lib_B_symbols",', |
| ' srcs = [":lib_B"],', |
| ' output_group = "def_file",', |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "lib.dll",', |
| ' deps = [":lib_B"],', |
| ' win_def_file = ":lib_B_symbols",', |
| ' linkshared = 1,', |
| ')', |
| ]) |
| # Test specifying DEF file in cc_binary |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| exit_code, _, stderr = self.RunBazel(['build', '//:lib.dll', '-s']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| def_file = bazel_bin + '/lib_B.gen.def' |
| self.assertTrue(os.path.exists(def_file)) |
| # hello_A should not be exported |
| self.AssertFileContentNotContains(def_file, 'hello_A') |
| # hello_B should be exported |
| self.AssertFileContentContains(def_file, 'hello_B') |
| |
| def testWinDefFileAttribute(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('lib.cc', ['void hello() {}']) |
| self.ScratchFile('my_lib.def', [ |
| 'EXPORTS', |
| ' ?hello@@YAXXZ', |
| ]) |
| self.ScratchFile('BUILD', [ |
| 'cc_library(', |
| ' name = "lib",', |
| ' srcs = ["lib.cc"],', |
| ' win_def_file = "my_lib.def",', |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "lib_dy.dll",', |
| ' srcs = ["lib.cc"],', |
| ' win_def_file = "my_lib.def",', |
| ' linkshared = 1,', |
| ')', |
| ]) |
| |
| # Test exporting symbols using custom DEF file in cc_library. |
| # Auto-generating DEF file should be disabled when custom DEF file specified |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//:lib', '-s', '--output_groups=dynamic_library', |
| '--features=windows_export_all_symbols' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| bazel_bin = self.getBazelInfo('bazel-bin') |
| lib_if = os.path.join(bazel_bin, 'lib.if.lib') |
| lib_def = os.path.join(bazel_bin, 'lib.gen.def') |
| self.assertTrue(os.path.exists(lib_if)) |
| self.assertFalse(os.path.exists(lib_def)) |
| |
| # Test specifying DEF file in cc_binary |
| exit_code, _, stderr = self.RunBazel(['build', '//:lib_dy.dll', '-s']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| filepath = bazel_bin + '/lib_dy.dll-2.params' |
| with open(filepath, 'r', encoding='latin-1') as param_file: |
| self.assertIn('/DEF:my_lib.def', param_file.read()) |
| |
| def testCcImportRule(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('BUILD', [ |
| 'cc_import(', |
| ' name = "a_import",', |
| ' static_library = "A.lib",', |
| ' shared_library = "A.dll",', |
| ' interface_library = "A.if.lib",', |
| ' hdrs = ["a.h"],', |
| ' alwayslink = 1,', |
| ')', |
| ]) |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '//:a_import', |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| def testCppErrorShouldBeVisible(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('BUILD', [ |
| 'cc_binary(', |
| ' name = "bad",', |
| ' srcs = ["bad.cc"],', |
| ')', |
| ]) |
| self.ScratchFile('bad.cc', [ |
| 'int main(int argc, char** argv) {', |
| ' this_is_an_error();', |
| '}', |
| ]) |
| exit_code, stdout, stderr = self.RunBazel(['build', '//:bad']) |
| self.AssertExitCode(exit_code, 1, stderr) |
| self.assertIn('this_is_an_error', ''.join(stdout)) |
| |
| def testBuildWithClangClByCompilerFlag(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('BUILD', [ |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ')', |
| ]) |
| self.ScratchFile('main.cc', [ |
| 'int main() {', |
| ' return 0;', |
| '}', |
| ]) |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '-s', '--compiler=clang-cl', |
| '--incompatible_enable_cc_toolchain_resolution=false', '//:main' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertIn('clang-cl.exe', ''.join(stderr)) |
| |
| def testBuildWithClangClByToolchainResolution(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE', [ |
| 'register_execution_platforms(', |
| ' ":windows_clang"', |
| ')', |
| '', |
| 'register_toolchains(', |
| ' "@local_config_cc//:cc-toolchain-x64_windows-clang-cl",', |
| ')', |
| ]) |
| self.ScratchFile('BUILD', [ |
| 'platform(', |
| ' name = "windows_clang",', |
| ' constraint_values = [', |
| ' "@platforms//cpu:x86_64",', |
| ' "@platforms//os:windows",', |
| ' "@bazel_tools//tools/cpp:clang-cl",', |
| ' ]', |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "main",', |
| ' srcs = ["main.cc"],', |
| ')', |
| ]) |
| self.ScratchFile('main.cc', [ |
| 'int main() {', |
| ' return 0;', |
| '}', |
| ]) |
| exit_code, _, stderr = self.RunBazel([ |
| 'build', '-s', '--incompatible_enable_cc_toolchain_resolution=true', |
| '//:main' |
| ]) |
| self.AssertExitCode(exit_code, 0, stderr) |
| self.assertIn('clang-cl.exe', ''.join(stderr)) |
| |
| def createSimpleCppWorkspace(self, name): |
| work_dir = self.ScratchDir(name) |
| self.ScratchFile(name + '/WORKSPACE', ['workspace(name = "%s")' % name]) |
| self.ScratchFile( |
| name + '/BUILD', |
| ['cc_library(name = "lib", srcs = ["lib.cc"], hdrs = ["lib.h"])']) |
| self.ScratchFile(name + '/lib.h', ['void hello();']) |
| self.ScratchFile(name + '/lib.cc', ['#include "lib.h"', 'void hello() {}']) |
| return work_dir |
| |
| # Regression test for https://github.com/bazelbuild/bazel/issues/9172 |
| def testCacheBetweenWorkspaceWithDifferentNames(self): |
| cache_dir = self.ScratchDir('cache') |
| dir_a = self.createSimpleCppWorkspace('A') |
| dir_b = self.createSimpleCppWorkspace('B') |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '--disk_cache=' + cache_dir, ':lib'], cwd=dir_a) |
| self.AssertExitCode(exit_code, 0, stderr) |
| exit_code, _, stderr = self.RunBazel( |
| ['build', '--disk_cache=' + cache_dir, ':lib'], cwd=dir_b) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| # Regression test for https://github.com/bazelbuild/bazel/issues/9321 |
| def testCcCompileWithTreeArtifactAsSource(self): |
| self.CreateWorkspaceWithDefaultRepos('WORKSPACE') |
| self.ScratchFile('BUILD', [ |
| 'load(":genccs.bzl", "genccs")', |
| '', |
| 'genccs(', |
| ' name = "gen_tree",', |
| ')', |
| '', |
| 'cc_library(', |
| ' name = "main",', |
| ' srcs = [ "gen_tree" ]', |
| ')', |
| '', |
| 'cc_binary(', |
| ' name = "genccs",', |
| ' srcs = [ "genccs.cpp" ],', |
| ')', |
| ]) |
| self.ScratchFile('genccs.bzl', [ |
| 'def _impl(ctx):', |
| ' tree = ctx.actions.declare_directory(ctx.attr.name + ".cc")', |
| ' ctx.actions.run(', |
| ' inputs = [],', |
| ' outputs = [ tree ],', |
| ' arguments = [ tree.path ],', |
| ' progress_message = "Generating cc files into \'%s\'" % tree.path,', |
| ' executable = ctx.executable._tool,', |
| ' )', |
| '', |
| ' return [ DefaultInfo(files = depset([ tree ])) ]', |
| '', |
| 'genccs = rule(', |
| ' implementation = _impl,', |
| ' attrs = {', |
| ' "_tool": attr.label(', |
| ' executable = True,', |
| ' cfg = "host",', |
| ' allow_files = True,', |
| ' default = Label("//:genccs"),', |
| ' )', |
| ' }', |
| ')', |
| ]) |
| self.ScratchFile('genccs.cpp', [ |
| '#include <fstream>', |
| '#include <Windows.h>', |
| 'using namespace std;', |
| '', |
| 'int main (int argc, char *argv[]) {', |
| ' CreateDirectory(argv[1], NULL);', |
| ' ofstream myfile;', |
| ' myfile.open(string(argv[1]) + string("/foo.cpp"));', |
| ' myfile << "int main() { return 42; }";', |
| ' return 0;', |
| '}', |
| ]) |
| exit_code, _, stderr = self.RunBazel(['build', '//:main']) |
| self.AssertExitCode(exit_code, 0, stderr) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |