* Move the default ARM arch from arm1176jzf-s (armv6) to cortex-a7

(Closes: #930008)
* Use dh-exec to exclude lib/LLVM*.so on powerpc and
  powerpcspe from llvm-X.Y-dev.install.in

debian/changelog

@@ -117,6 +117,12 @@ llvm-toolchain-8 (1:8.0.1~+rc1-1~exp2) experimental; urgency=medium
   * WebAssembly is now build by default, remove it from the
     experimental list
   * check-polly was executed twice
+  * Move the default ARM arch from arm1176jzf-s (armv6) to cortex-a7
+    (Closes: #930008)
+
+  [ John Paul Adrian Glaubitz ]
+  * Use dh-exec to exclude lib/LLVM*.so on powerpc and
+    powerpcspe from llvm-X.Y-dev.install.in
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Sun, 19 May 2019 13:31:37 +0200
 

debian/control

@@ -17,7 +17,7 @@ Build-Depends: debhelper (>= 9.0), cmake, chrpath, texinfo, sharutils,
     ocaml-nox [amd64 arm64 armhf i386 ppc64el s390x],
     ocaml-findlib [amd64 arm64 armhf i386 ppc64el s390x],
     libctypes-ocaml-dev [amd64 arm64 armhf i386 ppc64el s390x],
-    dh-ocaml [amd64 arm64 armhf i386 ppc64el s390x],
+    dh-exec, dh-ocaml [amd64 arm64 armhf i386 ppc64el s390x],
 Build-Conflicts: oprofile, ocaml, libllvm-3.8-ocaml-dev, libllvm-3.9-ocaml-dev
 Standards-Version: 4.2.1
 Homepage: https://www.llvm.org/

debian/llvm-X.Y-dev.install.in

@@ -1,6 +1,8 @@
+#!/usr/bin/dh-exec
+
 usr/lib/llvm-@LLVM_VERSION@/lib/libLLVM*.a
 #usr/lib/llvm-@LLVM_VERSION@/lib/libllvm*.a
-usr/lib/llvm-@LLVM_VERSION@/lib/LLVM*.so
+[!powerpc !powerpcspe] usr/lib/llvm-@LLVM_VERSION@/lib/LLVM*.so
 usr/lib/llvm-@LLVM_VERSION@/lib/libLLVM.so
 usr/lib/llvm-@LLVM_VERSION@/lib/libLLVM-@LLVM_VERSION@.so
 usr/lib/llvm-@LLVM_VERSION@/lib/libLLVM-@LLVM_VERSION_FULL@.so

debian/patches/930008-arm.diff

@@ -0,0 +1,13 @@
+Index: llvm-toolchain-8-8.0.1~+rc1/lib/Support/Triple.cpp
+===================================================================
+--- llvm-toolchain-8-8.0.1~+rc1.orig/lib/Support/Triple.cpp
++++ llvm-toolchain-8-8.0.1~+rc1/lib/Support/Triple.cpp
+@@ -1620,7 +1620,7 @@ StringRef Triple::getARMCPUForArch(Strin
+     case llvm::Triple::EABIHF:
+     case llvm::Triple::GNUEABIHF:
+     case llvm::Triple::MuslEABIHF:
+-      return "arm1176jzf-s";
++      return "cortex-a7";
+     default:
+       return "arm7tdmi";
+     }

debian/patches/series

@@ -123,3 +123,5 @@ kfreebsd/lib_Target_X86.diff
 kfreebsd/lldb_source_Host_freebsd_Host.cpp.diff
 kfreebsd/lldb_source_Plugins_Process_FreeBSD.diff
 kfreebsd/tools_llvm-shlib_CMakeLists.txt.diff
+
+930008-arm.diff

debian/qualify-clang.sh

@@ -142,6 +142,15 @@ if ! file foo.o 2>&1 | grep -i -q "aarch64"; then
     file foo.o
     exit 42
 fi
+
+clang-$VERSION --target=arm-linux-gnueabihf -dM -E -xc - < /dev/null &> foo.log
+if ! grep -q "#define __ARM_ARCH 7" foo.log; then
+    # bug 930008
+    echo "The target arch for arm should v7"
+    cat foo.log
+    exit 42
+fi
+
 echo '
 #include <string.h>
 int
@@ -450,6 +459,12 @@ if test ! -f /usr/lib/llvm-$VERSION/include/c++/v1/vector; then
     exit -1;
 fi
 
+if test ! -f /usr/lib/llvm-$VERSION/lib/libc++abi.so; then
+    echo "Install libc++abi-$VERSION-dev";
+    exit -1;
+fi
+
+
 # libc++
 echo '
 #include <vector>
@@ -773,6 +788,15 @@ int main ()
 }
 EOF
 
+F=$(clang-$VERSION --target=x86_64-unknown-linux-gnu --rtlib=compiler-rt --print-libgcc-file-name)
+if test ! $F; then
+	echo "Cannot find $F"
+    echo "TODO check if the exit1 can be put back"
+#	exit 1
+else
+    echo "$F is one of the compiler-rt file"
+fi
+
 # only for AMD64 for now
 # many sanitizers only work on AMD64
 # x32 programs need to be enabled in the kernel bootparams for debian

debian/rules

@@ -275,6 +275,9 @@ preconfigure:
 			-e "s|@LLVM_VERSION@|$(LLVM_VERSION)|g" $$f > $$f2; \
 	done
 
+	# Make install file executable for dh-exec
+	chmod +x debian/llvm-$(LLVM_VERSION)-dev.install
+
 # Override this two targets. They are trying to manage the .in conversion for me
 override_dh_ocamlinit:
 override_dh_ocamlclean: