Add option -fGNU-compatibility

Sync https://gitee.com/openeuler/llvm-project/pulls/108
and https://gitee.com/openeuler/llvm-project/pulls/123

0026-Driver-add-option-fGNU-compatibility-aliased-with-fg.patch

@@ -0,0 +1,27 @@
+From cd2d6fe2cdcb0fa047c77993c23da1fb612970be Mon Sep 17 00:00:00 2001
+From: jianghaibo <jianghaibo9@huawei.com>
+Date: Wed, 6 Nov 2024 16:04:39 +0800
+Subject: [PATCH] [Driver] add option -fGNU-compatibility aliased with
+ -fgcc-compatible
+
+---
+ clang/include/clang/Driver/Options.td | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
+index 530bb53ea9b5..2faa65763234 100644
+--- a/clang/include/clang/Driver/Options.td
++++ b/clang/include/clang/Driver/Options.td
+@@ -1814,6 +1814,9 @@ def fgcc_compatible : Flag<["-"], "fgcc-compatible">,
+   Flags<[CC1Option]>,
+   MarshallingInfoFlag<DiagnosticOpts<"GccCompatible">>,
+   HelpText<"Enable gcc compatibility for openEuler.">;
++def : Flag["-"], "fGNU-compatibility">,
++  Flags<[CC1Option]>, Alias<fgcc_compatible>,
++  HelpText<"Alias for -fgcc_compatible">;
+ def fno_gcc_compatible : Flag<["-"], "fno-gcc-compatible">, Flags<[CC1Option]>;
+ #endif
+ 
+-- 
+2.38.1.windows.1
+

0027-Driver-fix-compile-error-for-fGNU-compatibility.patch

@@ -0,0 +1,38 @@
+From 82d51aca563c40c84b70c0e295a9561d3dd4092b Mon Sep 17 00:00:00 2001
+From: jianghaibo <jianghaibo9@huawei.com>
+Date: Wed, 20 Nov 2024 16:13:04 +0800
+Subject: [PATCH] [Driver] fix compile error for -fGNU-compatibility
+
+---
+ clang/include/clang/Driver/Options.td                   | 2 +-
+ clang/test/Driver/test-generate-missing-build-notes.cpp | 1 +
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
+index ccf395dad35a..c109d7a8fcab 100644
+--- a/clang/include/clang/Driver/Options.td
++++ b/clang/include/clang/Driver/Options.td
+@@ -1819,7 +1819,7 @@ def fgcc_compatible : Flag<["-"], "fgcc-compatible">,
+   Flags<[CC1Option]>,
+   MarshallingInfoFlag<DiagnosticOpts<"GccCompatible">>,
+   HelpText<"Enable gcc compatibility for openEuler.">;
+-def : Flag["-"], "fGNU-compatibility">,
++def fGNU_compatibility : Flag<["-"], "fGNU-compatibility">,
+   Flags<[CC1Option]>, Alias<fgcc_compatible>,
+   HelpText<"Alias for -fgcc_compatible">;
+ def fno_gcc_compatible : Flag<["-"], "fno-gcc-compatible">, Flags<[CC1Option]>;
+diff --git a/clang/test/Driver/test-generate-missing-build-notes.cpp b/clang/test/Driver/test-generate-missing-build-notes.cpp
+index efd5251e6a1c..54ac4c66a5b0 100644
+--- a/clang/test/Driver/test-generate-missing-build-notes.cpp
++++ b/clang/test/Driver/test-generate-missing-build-notes.cpp
+@@ -1,6 +1,7 @@
+ // REQUIRES: build_for_openeuler
+ // RUN: %clang -### -fgcc-compatible -Wa,--generate-missing-build-notes=yes %s 2>&1 | FileCheck -check-prefix=CHECK-NO-ERROR %s
+ // RUN: %clang -### -fgcc-compatible -Wa,--generate-missing-build-notes=no %s 2>&1 | FileCheck -check-prefix=CHECK-NO-ERROR %s
++// RUN: %clang -### -fGNU-compatibility -Wa,--generate-missing-build-notes=no %s 2>&1 | FileCheck -check-prefix=CHECK-NO-ERROR %s
+ // CHECK-NO-ERROR-NOT: --generate-missing-build-notes=
+ // RUN: %clang -### -Wa,--generate-missing-build-notes=yes %s 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
+ // RUN: %clang -### -Wa,--generate-missing-build-notes=no %s 2>&1 | FileCheck -check-prefix=CHECK-ERROR %s
+-- 
+2.38.1.windows.1
+

clang.spec

@@ -44,7 +44,7 @@
 
 Name:		%{pkg_name}
 Version:	%{clang_version}
-Release:	30
+Release:	31
 Summary:	A C language family front-end for LLVM
 License:	NCSA
 URL:		http://llvm.org
@@ -77,6 +77,8 @@ Patch22:		0022-Driver-Pass-z-arg-and-Wl-z-arg-option-to-the-linker.patch
 Patch23:		0023-Handling-of-option-Wall-and-Werror-format-2-override.patch
 Patch24:        0024-Backport-PATCH-Clang-CodeGen-Add__builtin_bcopy.patch
 Patch25:        0025-clang-Increase-the-number-of-driver-diagnostics.patch
+Patch26:        0026-Driver-add-option-fGNU-compatibility-aliased-with-fg.patch
+Patch27:        0027-Driver-fix-compile-error-for-fGNU-compatibility.patch
 
 # Patches for clang-tools-extra
 # See https://reviews.llvm.org/D120301
@@ -415,6 +417,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{install_libdir}  %{__ninja} check-all -C %{__cmak
 %{install_bindir}/git-clang-format
 
 %changelog
+* Thu Nov 21 2024 eastb233 <xiezhiheng@huawei.com> - 17.0.6-31
+- Add option -fGNU-compatibility
+
 * Wed Nov 20 2024 Funda Wang <fundawang@yeah.net> - 17.0.6-30
 - adopt to new cmake macro