Simplify patch management through %autopatch

0001-PATCH-clang-Reorganize-gtest-integration.patch

@@ -1,7 +1,7 @@
 From c6b921c8d833546946b70a8c2640032fd7c62461 Mon Sep 17 00:00:00 2001
 From: serge-sans-paille <sguelton@redhat.com>
 Date: Thu, 25 Feb 2021 14:04:52 +0100
-Subject: [PATCH 1/7] [PATCH][clang] Reorganize gtest integration
+Subject: [PATCH 1/6] [PATCH][clang] Reorganize gtest integration
 
 ---
  clang/CMakeLists.txt | 12 +++++-------

0001-PATCH-clang-tools-extra-Make-clangd-CompletionModel-.patch

@@ -0,0 +1,31 @@
+From 84e4fe467f290c85b3d7d22c7333d192e1282054 Mon Sep 17 00:00:00 2001
+From: serge-sans-paille <sguelton@redhat.com>
+Date: Wed, 17 Mar 2021 08:32:56 +0100
+Subject: [PATCH] [PATCH][clang-tools-extra] Make clangd CompletionModel usable
+ even with non-standard (but supported) layout
+
+llvm supports specifying a non-standard layout where each project lies in its
+own place. Do not assume a fixed layout and use the appropriate cmake variable
+instead.
+---
+ clang-tools-extra/clangd/quality/CompletionModel.cmake | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/clang-tools-extra/clangd/quality/CompletionModel.cmake b/clang-tools-extra/clangd/quality/CompletionModel.cmake
+index 60c6d2a..41bc2ed 100644
+--- a/clang-tools-extra/clangd/quality/CompletionModel.cmake
++++ b/clang-tools-extra/clangd/quality/CompletionModel.cmake
+@@ -5,8 +5,8 @@
+ # will define a C++ class called ${cpp_class} - which may be a
+ # namespace-qualified class name.
+ function(gen_decision_forest model filename cpp_class)
+-  set(model_compiler ${CMAKE_SOURCE_DIR}/../clang-tools-extra/clangd/quality/CompletionModelCodegen.py)
+-  
++  set(model_compiler ${LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR}/clangd/quality/CompletionModelCodegen.py)
++
+   set(output_dir ${CMAKE_CURRENT_BINARY_DIR})
+   set(header_file ${output_dir}/${filename}.h)
+   set(cpp_file ${output_dir}/${filename}.cpp)
+-- 
+1.8.3.1
+

0002-PATCH-clang-Make-funwind-tables-the-default-on-all-a.patch

@@ -1,7 +1,7 @@
-From 8a4eb9e3fa9456de3da47115bdbd47dc552b5263 Mon Sep 17 00:00:00 2001
+From 07b062e1f7c3359550aa8c0a7b86f6054971439d Mon Sep 17 00:00:00 2001
 From: serge-sans-paille <sguelton@redhat.com>
 Date: Thu, 25 Feb 2021 14:09:29 +0100
-Subject: [PATCH 3/7] [PATCH][clang] Make -funwind-tables the default on all
+Subject: [PATCH 2/6] [PATCH][clang] Make -funwind-tables the default on all
  archs
 
 ---
@@ -10,7 +10,7 @@ Subject: [PATCH 3/7] [PATCH][clang] Make -funwind-tables the default on all
  2 files changed, 2 insertions(+), 2 deletions(-)
 
 diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
-index c4c71e1..d237cc6 100644
+index b2ddef1..715b323 100644
 --- a/clang/lib/Driver/ToolChain.cpp
 +++ b/clang/lib/Driver/ToolChain.cpp
 @@ -257,7 +257,7 @@ std::string ToolChain::getInputFilename(const InputInfo &Input) const {

0003-PATCH-clang-Don-t-install-static-libraries.patch

@@ -1,7 +1,7 @@
-From 9e32a3c1481e5bccd951789bb3676cd8c85c0244 Mon Sep 17 00:00:00 2001
+From 2c6cd40d016f492d53e16f1c7424a0d9878ae7ec Mon Sep 17 00:00:00 2001
 From: Tom Stellard <tstellar@redhat.com>
 Date: Fri, 31 Jan 2020 11:04:57 -0800
-Subject: [PATCH 4/7] [PATCH][clang] Don't install static libraries
+Subject: [PATCH 3/6] [PATCH][clang] Don't install static libraries
 
 ---
  clang/cmake/modules/AddClang.cmake | 2 +-

0004-PATCH-clang-Prefer-gcc-toolchains-with-libgcc_s.so-w.patch

@@ -1,7 +1,7 @@
-From ca5dec7a5ec6ca29ee6c4f2a35aaec03ad2e8238 Mon Sep 17 00:00:00 2001
+From d8af49687765744efaae7ba0f0c4c0fcd58a0e31 Mon Sep 17 00:00:00 2001
 From: serge-sans-paille <sguelton@redhat.com>
 Date: Wed, 23 Sep 2020 12:47:30 +0000
-Subject: [PATCH 5/7] [PATCH][clang] Prefer gcc toolchains with libgcc_s.so
+Subject: [PATCH 4/6] [PATCH][clang] Prefer gcc toolchains with libgcc_s.so
  when not static linking libgcc
 
 Fedora ships cross-compilers on all platforms, so a user could end up

0005-PATCH-clang-Partially-Revert-scan-view-Remove-Report.patch

@@ -1,7 +1,7 @@
-From 88134d9897dce14e34c51406320764356bfde6a4 Mon Sep 17 00:00:00 2001
+From ea01f898fd74bae23d8be31f1a29b542e886e3a5 Mon Sep 17 00:00:00 2001
 From: Tom Stellard <tstellar@redhat.com>
 Date: Tue, 9 Feb 2021 13:35:43 -0800
-Subject: [PATCH 6/7] [PATCH][clang] Partially Revert "scan-view: Remove
+Subject: [PATCH 5/6] [PATCH][clang] Partially Revert "scan-view: Remove
  Reporter.py and associated AppleScript files"
 
 This reverts some of commit dbb01536f6f49fa428f170e34466072ef439b3e9.

0006-PATCH-clang-Allow-__ieee128-as-an-alias-to-__float12.patch

@@ -1,12 +1,14 @@
-From 7e0b36755d9bcccaddd1c4c1c69b1f12b729cf4e Mon Sep 17 00:00:00 2001
+From 1ef1e91142ac48ecb826f33e1e7072c7402d9fe7 Mon Sep 17 00:00:00 2001
 From: serge-sans-paille <sguelton@redhat.com>
-Date: Mon, 15 Mar 2021 09:28:48 +0100
-Subject: [PATCH 7/7] [PATCH][clang] Allow __ieee128 as an alias to __float128
+Date: Wed, 3 Mar 2021 09:58:31 +0100
+Subject: [PATCH 6/6] [PATCH][clang] Allow __ieee128 as an alias to __float128
  on ppc
 
 This matches gcc behavior.
 
-Backported from https://reviews.llvm.org/D97846
+Differential Revision: https://reviews.llvm.org/D97846
+
+(cherry picked from commit 4aa510be78a75a4da82657fe433016f00dad0784)
 ---
  clang/include/clang/Basic/LangOptions.def | 1 +
  clang/lib/Basic/IdentifierTable.cpp       | 3 +++

clang.spec

@@ -85,16 +85,18 @@ Source2:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{versio
 %endif
 Source4:	tstellar-gpg-key.asc
 
-%if !0%{?compat_build}
-Patch21:	completion-model-cmake.patch
-%endif
+# Patches for clang
+Patch0:     0001-PATCH-clang-Reorganize-gtest-integration.patch
+Patch1:     0002-PATCH-clang-Make-funwind-tables-the-default-on-all-a.patch
+Patch2:     0003-PATCH-clang-Don-t-install-static-libraries.patch
+Patch3:     0004-PATCH-clang-Prefer-gcc-toolchains-with-libgcc_s.so-w.patch
+Patch4:     0005-PATCH-clang-Partially-Revert-scan-view-Remove-Report.patch
+Patch5:     0006-PATCH-clang-Allow-__ieee128-as-an-alias-to-__float12.patch
 
-Patch4:		0001-PATCH-clang-Reorganize-gtest-integration.patch
-Patch13:    0003-PATCH-clang-Make-funwind-tables-the-default-on-all-a.patch
-Patch15:    0004-PATCH-clang-Don-t-install-static-libraries.patch
-Patch17:    0005-PATCH-clang-Prefer-gcc-toolchains-with-libgcc_s.so-w.patch
-Patch19:    0006-PATCH-clang-Partially-Revert-scan-view-Remove-Report.patch
-Patch20:    0007-PATCH-clang-Allow-__ieee128-as-an-alias-to-__float12.patch
+# Patches for clang-tools-extra
+%if !0%{?compat_build}
+Patch201:	0001-PATCH-clang-tools-extra-Make-clangd-CompletionModel-.patch
+%endif
 
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
@@ -258,30 +260,22 @@ Requires:      python3
 %{gpgverify} --keyring='%{SOURCE4}' --signature='%{SOURCE3}' --data='%{SOURCE0}'
 
 %if 0%{?compat_build}
-%autosetup -n %{clang_srcdir} -p1
+%autosetup -n %{clang_srcdir} -p2
 %else
 
 %{gpgverify} --keyring='%{SOURCE4}' --signature='%{SOURCE2}' --data='%{SOURCE1}'
 %setup -T -q -b 1 -n %{clang_tools_srcdir}
-%patch21 -p1 -b .comp-model
+%autopatch -m200 -p2
 
 # failing test case
 rm test/clang-tidy/checkers/altera-struct-pack-align.cpp
 
-
 pathfix.py -i %{__python3} -pn \
 	clang-tidy/tool/*.py \
 	clang-include-fixer/find-all-symbols/tool/run-find-all-symbols.py
 
 %setup -q -n %{clang_srcdir}
-
-%patch4  -p2 -b .gtest
-%patch13 -p2 -b .unwind-default
-%patch15 -p2 -b .no-install-static
-%patch17 -p2 -b .check-gcc_s
-%patch19 -p2 -b .scan-view-remove-files-fix
-%patch20 -p2 -b .ieee128
-
+%autopatch -M200 -p2
 
 # failing test case
 rm test/CodeGen/profile-filter.c

completion-model-cmake.patch

@@ -1,14 +0,0 @@
-diff -Naur clang-tools-extra-12.0.0rc1.src.orig/clangd/quality/CompletionModel.cmake clang-tools-extra-12.0.0rc1.src/clangd/quality/CompletionModel.cmake
---- clang-tools-extra-12.0.0rc1.src.orig/clangd/quality/CompletionModel.cmake	2021-02-14 17:03:14.000000000 +0100
-+++ clang-tools-extra-12.0.0rc1.src/clangd/quality/CompletionModel.cmake	2021-02-14 20:57:51.000000000 +0100
-@@ -5,8 +5,8 @@
- # will define a C++ class called ${cpp_class} - which may be a
- # namespace-qualified class name.
- function(gen_decision_forest model filename cpp_class)
--  set(model_compiler ${CMAKE_SOURCE_DIR}/../clang-tools-extra/clangd/quality/CompletionModelCodegen.py)
--  
-+  set(model_compiler ${LLVM_EXTERNAL_CLANG_TOOLS_EXTRA_SOURCE_DIR}/clangd/quality/CompletionModelCodegen.py)
-+
-   set(output_dir ${CMAKE_CURRENT_BINARY_DIR})
-   set(header_file ${output_dir}/${filename}.h)
-   set(cpp_file ${output_dir}/${filename}.cpp)