From f850f1a08ed192233dc03226f632140cbc49ac61 Mon Sep 17 00:00:00 2001
From: Ella Stanforth <ella@iglunix.org>
Date: Sat, 9 Apr 2022 15:38:26 +0000
Subject: [PATCH] add libunwind

---
 base/libunwind/build.sh | 70 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 base/libunwind/build.sh

diff --git a/base/libunwind/build.sh b/base/libunwind/build.sh
new file mode 100644
index 0000000..adc4846
--- /dev/null
+++ b/base/libunwind/build.sh
@@ -0,0 +1,70 @@
+pkgver=14.0.0
+pkgname=libunwind
+bad=""
+ext="dev"
+
+fetch() {
+	curl -L "https://github.com/llvm/llvm-project/releases/download/llvmorg-$pkgver/llvm-project-$pkgver.src.tar.xz" -o $pkgname-$pkgver.tar.xz
+	tar -xf $pkgname-$pkgver.tar.xz
+	mv llvm-project-$pkgver.src $pkgname-$pkgver
+}
+
+build() {
+	cd $pkgname-$pkgver
+
+	PREFIX=/usr
+
+	[ -z "$FOR_CROSS"] || PREFIX=$FOR_CROSS_DIR
+
+	if [ ! -z "$WITH_CROSS"]; then
+		cmake_extra_flags=-DCMAKE_SYSROOT=$WITH_CROSS_DIR
+	fi
+
+	mkdir -p build
+	cd build
+	cmake -G Ninja -Wno-dev \
+		-DLLVM_ENABLE_RUNTIMES="libunwind" \
+		-DLIBUNWIND_USE_COMPILER_RT=ON \
+		-DLIBUNWIND_SUPPORTS_FNO_EXCEPTIONS_FLAG=1 \
+		-DLIBCXXABI_USE_LLVM_UNWINDER=YES \
+		-DLIBCXX_HAS_MUSL_LIBC=ON \
+		-DCMAKE_ASM_COMPILER=clang \
+		-DCMAKE_C_COMPILER=clang \
+		-DCMAKE_CXX_COMPILER=clang++ \
+		-DCMAKE_ASM_COMPILER_TARGET=$ARCH-linux-musl \
+		-DCMAKE_C_COMPILER_TARGET=$ARCH-linux-musl \
+		-DCMAKE_CXX_COMPILER_TARGET=$ARCH-linux-musl \
+		-DCMAKE_C_FLAGS="$CFLAGS" \
+		-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
+		-DCMAKE_ASM_FLAGS="$CFLAGS" \
+		-DCMAKE_SHARED_LINKER_FLAGS="$LDFLAGS -unwindlib=none" \
+		$cmake_extra_flags \
+		-DCMAKE_INSTALL_PREFIX=$PREFIX \
+		-DCMAKE_C_COMPILER_WORKS=1 \
+		-DCMAKE_CXX_COMPILER_WORKS=1 \
+		-DCMAKE_SKIP_BUILD_RPATH=0 \
+		-DCMAKE_BUILD_WITH_INSTALL_RPATH=1 \
+		-DCMAKE_INSTALL_RPATH='${ORIGIN}/../lib' \
+		../runtimes
+
+	samu -j$JOBS
+}
+
+package() {
+	cd $pkgname-$pkgver
+	cd build
+	DESTDIR=$pkgdir samu install
+}
+
+backup() {
+	return
+}
+
+package_dev() {
+	echo "No... Shut"
+}
+
+license() {
+	cd $pkgname-$pkgver
+	cat */LICENSE.TXT
+}