community/llvm-libunwind: upgrade to 4.0.0

community/llvm-libunwind/APKBUILD

@@ -2,9 +2,9 @@
 # Maintainer: Jakub Jirutka <jakub@jirutka.cz>
 pkgname=llvm-libunwind
 _pkgname=libunwind
-pkgver=3.9.1
-_llvmver=3.9
-pkgrel=1
+pkgver=4.0.0
+_llvmver=${pkgver%%.*}
+pkgrel=0
 pkgdesc="LLVM version of libunwind library"
 url="http://llvm.org/"
 arch="all !ppc64le !s390x"
@@ -12,37 +12,31 @@ license="BSD"
 depends_dev="!libunwind-dev"
 makedepends="cmake llvm$_llvmver-dev"
 subpackages="$pkgname-dev"
-source="http://www.llvm.org/releases/$pkgver/$_pkgname-$pkgver.src.tar.xz"
+source="http://www.llvm.org/releases/$pkgver/$_pkgname-$pkgver.src.tar.xz
+	no-exec-stack.patch"
 builddir="$srcdir/$_pkgname-$pkgver.src"
 options="!check"
 
 build() {
-	local flag; for flag in 0 1; do
-		mkdir -p "$builddir"/build-$flag
-		cd "$builddir"/build-$flag
+	cd "$builddir"
 
-		cmake .. \
-			-DCMAKE_BUILD_TYPE=MinSizeRel \
-			-DCMAKE_INSTALL_PREFIX=/usr \
-			-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
-			-DCMAKE_C_FLAGS="$CFLAGS" \
-			-DCMAKE_VERBOSE_MAKEFILE=ON \
-			-DLIBUNWIND_ENABLE_SHARED=$flag \
-			-DLIBUNWIND_HAS_NODEFAULTLIBS_FLAG=0 \
-			-DLLVM_CONFIG="/usr/bin/llvm-config-$_llvmver"
-		make
-	done
+	cmake \
+		-DCMAKE_BUILD_TYPE=MinSizeRel \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
+		-DCMAKE_C_FLAGS="$CFLAGS" \
+		-DLLVM_CONFIG_PATH="/usr/lib/llvm$_llvmver/bin/llvm-config" \
+		-DLIBUNWIND_HAS_NODEFAULTLIBS_FLAG=OFF
+	make
 }
 
 package() {
-	local flag; for flag in 0 1; do
-		make install -C "$builddir"/build-$flag DESTDIR="$pkgdir"
-	done
-
 	cd "$builddir"
+	make install DESTDIR="$pkgdir"
 
 	mkdir -p "$pkgdir"/usr/include
 	cp include/*.h "$pkgdir"/usr/include/
 }
 
-sha512sums="a80f5d0660e209f5bf709316b5df2ca63b9f0db49f5f74dfe9c9e580c654f61a15acc071a739fdb84baf5ffa9420b92498f8560331173642d80f6b74e1e2afb7  libunwind-3.9.1.src.tar.xz"
+sha512sums="c3c934b70830ef5496c9d24c469b702eb4408abd4fe4dd9e0832230b064dc78d23b02ed2a5ce9a099dea76c3d43cbf41d59c6cda189f990d5593c7d3cd5c79dd  libunwind-4.0.0.src.tar.xz
+2a61580331a9c8e5f9d4a12a845be187db65434257bb635eb509db43355709de0f17ddd8a589e0c8ee89ed29c0dc1cefd0fd9d11e4a0eb875b14ad4833063d11  no-exec-stack.patch"

community/llvm-libunwind/no-exec-stack.patch

@@ -0,0 +1,19 @@
+Remove the gatekeeping to set a non-executable stack for libunwind,
+as we don't define any of these directives but still want it.
+
+diff -Nru a/src/assembly.h b/src/assembly.h
+--- a/src/assembly.h    2016-10-23 21:48:47.000000000 +0000
++++ b/src/assembly.h    2017-05-16 12:38:47.209169931 +0000
+@@ -47,12 +47,7 @@
+ #define SYMBOL_IS_FUNC(name) .type name,@function
+ #endif
+ 
+-#if defined(__GNU__) || defined(__ANDROID__) || defined(__FreeBSD__) || \
+-    defined(__Fuchsia__)
+ #define NO_EXEC_STACK_DIRECTIVE .section .note.GNU-stack,"",%progbits
+-#else
+-#define NO_EXEC_STACK_DIRECTIVE
+-#endif
+ 
+ #else
+