user/llvm18: Tweaks and fixes

* DWARFLinker and friends: most of the test errors are related to musl's
  thread stack size.  Use chelf instead of disabling the tests.  They
  pass on gwyn now, but there are still two flaky dsymutil tests.

* Ensure the libLLVM.so.18 library is still present in /usr/lib/llvm18.

* Install llvm-gtest, needed for Clang's test suite.

1 files changed, 17 insertions, 20 deletions

diff --git a/user/llvm18/APKBUILD b/user/llvm18/APKBUILD
index 8bcd3067f..d727afc2a 100644
--- a/user/llvm18/APKBUILD
+++ b/user/llvm18/APKBUILD
@@ -80,23 +80,12 @@ prepare() {
 		rm test/tools/llvm-size/radix.test;;
 	esac
 
-	# https://github.com/llvm/llvm-project/issues/96734
 	case $CARCH in
 	ppc64|ppc|mips64|mips)
 		# Appears to be a endianness issue.
 		for _broken in eh_frame linker-llvm-union-fwd-decl; do
 			rm test/tools/dsymutil/X86/$_broken.test;
 		done
-		for _broken in accelerator-dwarf4 accelerator-dwarf5 \
-			dwarf4-macro-short; do
-			rm test/tools/llvm-dwarfutil/ELF/X86/$_broken.test;
-		done
-		for _broken in inlined-static-variable.cpp keep-func.test \
-			odr-fwd-declaration2.test odr-member-functions.cpp \
-			odr-predictable-output2.test odr-string.test \
-			odr-types-in-subprogram1.test odr-uniquing.cpp; do
-			rm test/tools/dsymutil/X86/DWARFLinkerParallel/$_broken
-		done;;
 	esac
 
 	case $CTARGET_ARCH in
@@ -133,10 +122,6 @@ prepare() {
 		done
 	esac
 
-	# appears to be an issue on musl and glibc, but only fails on musl:
-	# https://github.com/NixOS/nixpkgs/blob/bb7e9e46/pkgs/development/compilers/llvm/8/llvm.nix#L74
-	# rm -f test/CodeGen/AArch64/wineh4.mir
-
 	#1053
 	rm -fr \
 		test/tools/UpdateTestChecks \
@@ -183,6 +168,7 @@ build() {
 		-DLLVM_HOST_TRIPLE="$CHOST" \
 		-DLLVM_INCLUDE_BENCHMARKS=OFF \
 		-DLLVM_INCLUDE_EXAMPLES=OFF \
+		-DLLVM_INSTALL_GTEST=ON \
 		-DLLVM_INSTALL_UTILS=ON \
 		-DLLVM_LINK_LLVM_DYLIB=ON \
 		-DLLVM_TARGETS_TO_BUILD='AArch64;AMDGPU;ARM;BPF;Hexagon;Lanai;Mips;MSP430;PowerPC;RISCV;Sparc;SystemZ;WebAssembly;X86;XCore' \
@@ -194,6 +180,13 @@ build() {
 	make -C build
 
 	python3 utils/lit/setup.py build
+
+	# Thread 3 requires a lot of stack space to LTO when targeting ARM.
+	# Note that this occurs even when crossing (on a ppc64 host).
+	chelf -s 1048576 build/bin/llvm-lto2
+	# Needed for parallel-linker support (pthread stack size).
+	chelf -s 1048576 build/bin/dsymutil
+	chelf -s 1048576 build/bin/llvm-dwarfutil
 }
 
 check() {
@@ -210,10 +203,6 @@ package() {
 		| awk -F: '$2~/ELF/{print $1}' \
 		| xargs -r chrpath -d
 
-	# Thread 3 requires a lot of stack space to LTO when targeting ARM.
-	# Note that this occurs even when crossing (on a ppc64 host).
-	chelf -s 1048576 bin/llvm-lto2
-
 	# Symlink files from /usr/lib/llvm*/bin to /usr/bin.
 	mkdir -p "$pkgdir"/usr/bin
 	for full_name in bin/*; do
@@ -263,7 +252,11 @@ libs() {
 	# dynamically linked with libLLVM, so they can find it on default path.
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/$_prefix/lib/$main_soname "$subpkgdir"/usr/lib/
-	mv "$pkgdir"/$_prefix/lib/libLLVM.so.$_majorver* "$subpkgdir"/usr/lib/
+	_solinks=$(ls "$pkgdir"/$_prefix/lib/libLLVM.so.$_majorver*)
+	for link in $_solinks; do
+		_real_link=$(basename $link)
+		mv "$pkgdir"/$_prefix/lib/$_real_link "$subpkgdir"/usr/lib/
+	done
 	ln -s $main_soname "$subpkgdir"/usr/lib/$ver_soname
 	strip "$subpkgdir"/usr/lib/$ver_soname #797
 
@@ -272,6 +265,10 @@ libs() {
 	ln -s ../../$main_soname "$subpkgdir"/$_prefix/lib/$main_soname
 	ln -s ../../$main_soname "$subpkgdir"/$_prefix/lib/$ver_soname
 	ln -s ../../$main_soname "$subpkgdir"/$_prefix/lib/libLLVM.so
+	for link in $_solinks; do
+		_real_link=$(basename $link)
+		ln -s ../../$main_soname "$subpkgdir"/$_prefix/lib/$_real_link
+	done
 }
 
 dev() {