Install versioned libIndexStore.so

Convert the existing 6.1.3 sources to use the script-generated macros.

[skip changelog]

fedora-presets.ini

@@ -0,0 +1,64 @@
+# Custom preset for Fedora packaging
+# This preset builds the final production toolchain including swift-driver
+# using the bootstrapped Swift compiler from bootstrap_stage2
+
+[preset: fedora_final]
+bootstrapping=hosttools
+
+# Skip all tests (inlined from mixin_buildbot_linux,no_test)
+skip-test-cmark
+skip-test-lldb
+skip-test-swift
+skip-test-llbuild
+skip-test-swiftpm
+skip-test-swift-driver
+skip-test-xctest
+skip-test-foundation
+skip-test-libdispatch
+skip-test-playgroundsupport
+skip-test-indexstore-db
+skip-test-sourcekit-lsp
+skip-test-swiftdocc
+skip-test-wasm-stdlib
+skip-test-swiftformat
+
+release
+
+# Build additional components for production toolchain
+llbuild
+xctest
+swift-testing
+swift-testing-macros
+swiftpm
+swift-driver
+indexstore-db
+sourcekit-lsp
+swiftformat
+
+swift-include-tests=0
+llvm-include-tests=0
+
+foundation
+libdispatch
+
+skip-build-benchmarks
+
+build-subdir=%(build_subdir)s
+install-destdir=%(install_destdir)s
+
+swift-install-components=autolink-driver;compiler;clang-resource-dir-symlink;stdlib;sdk-overlay;toolchain-tools;license
+llvm-install-components=llvm-ar;llvm-ranlib;clang;clang-resource-headers;compiler-rt;clang-features-file;lld;IndexStore
+
+install-llvm
+install-swift
+install-foundation
+install-libdispatch
+install-llbuild
+install-swiftpm
+install-swift-driver
+install-swiftsyntax
+install-swift-testing
+install-swift-testing-macros
+install-xctest
+install-sourcekit-lsp
+install-swiftformat

swift-lang.spec

@@ -230,6 +230,7 @@ for i = 0, 49 do
 end
 }
 Source99:       swiftlang.conf
+Source100:      fedora-presets.ini
 
 # NOTE: The patch number corresponds to the source it's packaging. For example,
 # Patch25 is patching Source25, swift-foundation.
@@ -255,11 +256,11 @@ BuildRequires:  libcurl-devel
 BuildRequires:  libuuid-devel
 BuildRequires:  libedit-devel
 BuildRequires:  perl-podlators
-BuildRequires:  swiftlang
 BuildRequires:  lld
+BuildRequires:  binutils-gold
 
 Requires:       glibc-devel
-Requires:       binutils-gold
+Requires:       lld
 Requires:       gcc
 
 Recommends:     libstdc++-devel
@@ -315,12 +316,15 @@ end
 %patch 44
 %patch 15
 %patch 5
-%patch 7 
+%patch 7
 %patch 13
 %patch 25
 %patch 24
 %patch 9
 
+# Install custom Fedora preset
+cp %{SOURCE100} swift/utils/fedora-presets.ini
+
 # Fix python to python3 
 %py3_shebang_fix swift/utils/api_checker/swift-api-checker.py
 %py3_shebang_fix llvm-project/compiler-rt/lib/hwasan/scripts/hwasan_symbolize
@@ -330,13 +334,53 @@ sed -i 's/swift-tools-version:999.0.0/swift-tools-version:6.1.3/' wasmkit/Packag
 
 %global buildsubdir %{nil}
 %build
-# Work around broken symlink in BuildRequires swiftlang by ensuring PATH finds the versioned swift
-export PATH=%{_libexecdir}/swift/%{version}/bin:$PATH
 export VERBOSE=1
-%{builddir}/swift/utils/build-script --preset=buildbot_linux,no_test \
-    skip-early-swiftsyntax=true \
+
+# Four-stage bootstrap to build Swift from scratch without external Swift compiler
+# Stage 0: Build minimal Swift toolchain from C++ using gold linker
+#          Produces: Swift compiler with C++ legacy driver (no SwiftPM, no swift-driver)
+#          Stage 0 clang defaults to gold
+# Stage 1: Rebuild Swift compiler using Stage 0 with gold linker
+#          Produces: Swift compiler with macros support + Foundation + Dispatch
+#          Stage 1 clang is compiled with lld as its default linker
+# Stage 2: Build Swift compiler using Stage 1 with lld linker
+#          Produces: Swift compiler + SwiftPM + basic tools (still no swift-driver)
+#          Stage 2 clang defaults to lld
+# Stage 3: Build final production toolchain using Stage 2
+#          Produces: Complete toolchain with swift-driver, sourcekit-lsp, swift-format, etc.
+#          This matches upstream first-party distributions
+
+echo "=== Bootstrap Stage 0: Building minimal Swift from C++ ==="
+%{builddir}/swift/utils/build-script --preset=bootstrap_stage0 \
+    build_subdir=bootstrap_stage0 \
+    install_destdir=%{_builddir}/stage0 \
+    installable_package=%{_builddir}/swift-%{version}-stage0.tar.gz \
+    extra-cmake-options="-DLLVM_USE_LINKER=gold -DCLANG_DEFAULT_LINKER=gold"
+
+echo "=== Bootstrap Stage 1: Rebuilding Swift with Stage 0 ==="
+export PATH=%{_builddir}/stage0/usr/bin:$PATH
+%{builddir}/swift/utils/build-script --preset=bootstrap_stage1 \
+    build_subdir=bootstrap_stage1 \
+    install_destdir=%{_builddir}/stage1 \
+    installable_package=%{_builddir}/swift-%{version}-stage1.tar.gz \
+    extra-cmake-options="-DLLVM_USE_LINKER=gold -DCLANG_DEFAULT_LINKER=lld"
+
+echo "=== Bootstrap Stage 2: Building toolchain with SwiftPM ==="
+export PATH=%{_builddir}/stage1/usr/bin:%{_builddir}/stage0/usr/bin:$PATH
+%{builddir}/swift/utils/build-script --preset=bootstrap_stage2 \
+    build_subdir=bootstrap_stage2 \
+    install_destdir=%{_builddir}/stage2 \
+    installable_package=%{_builddir}/swift-%{version}-stage2.tar.gz \
+    extra-cmake-options="-DLLVM_USE_LINKER=lld -DCLANG_DEFAULT_LINKER=lld"
+
+echo "=== Stage 3: Building final production toolchain with swift-driver ==="
+export PATH=%{_builddir}/stage2/usr/bin:%{_builddir}/stage1/usr/bin:%{_builddir}/stage0/usr/bin:$PATH
+%{builddir}/swift/utils/build-script --preset=fedora_final \
+    --preset-file=%{builddir}/swift/utils/fedora-presets.ini \
+    build_subdir=fedora_final \
     install_destdir=%{_builddir} \
-    installable_package=%{_builddir}/swift-%{version}-f%{fedora}.tar.gz
+    installable_package=%{_builddir}/swift-%{version}-f%{fedora}.tar.gz \
+    extra-cmake-options="-DLLVM_USE_LINKER=lld -DCLANG_DEFAULT_LINKER=lld -DCMAKE_EXE_LINKER_FLAGS=-Wl,-z,relro,-z,now -DCMAKE_SHARED_LINKER_FLAGS=-Wl,-z,relro,-z,now"
 
 
 %install
@@ -354,7 +398,7 @@ mkdir -p %{buildroot}/usr/lib
 ln -fs %{_libexecdir}/swift/%{version}/lib/swift %{buildroot}/usr/lib/swift
 mkdir -p %{buildroot}%{_libdir}
 ln -fs %{_libexecdir}/swift/%{version}/lib/libIndexStore.so %{buildroot}%{_libdir}/
-ln -fs %{_libexecdir}/swift/%{version}/lib/libIndexStore.so.17 %{buildroot}%{_libdir}/
+ln -fs %{_libexecdir}/swift/%{version}/lib/libIndexStore.so.17.0 %{buildroot}%{_libdir}/
 ln -fs %{_libexecdir}/swift/%{version}/lib/libsourcekitdInProc.so %{buildroot}%{_libdir}/
 ln -fs %{_libexecdir}/swift/%{version}/lib/libswiftDemangle.so %{buildroot}%{_libdir}/
 mkdir -p %{buildroot}%{_includedir}/swift

swift.patch

@@ -22,19 +22,6 @@ index 56b9e606302..ca651fc8845 100644
  #include <cstdlib>
  #include <cstring>
  #include <functional>
-diff --git swift.orig/utils/build-presets.ini swift/utils/build-presets.ini
-index 75043cb69a7..25aec6bc29a 100644
---- swift.orig/utils/build-presets.ini
-+++ swift/utils/build-presets.ini
-@@ -886,7 +886,7 @@ build-wasm-stdlib
- # Executes the lit tests for the installable package that is created
- # Assumes the swift-integration-tests repo is checked out
- 
--test-installable-package
-+# test-installable-package
- 
- # Build the benchmarks against the toolchain.
- toolchain-benchmarks
 diff --git swift.orig/utils/build-script-impl swift/utils/build-script-impl
 index 3140c8bb545..32a0b502ae6 100755
 --- swift.orig/utils/build-script-impl