[fink:package-submissions] #4933 llvm40-4.0.1-1

Jack Howarth via Fink-tracker <[email protected]>
Newsgroups gmane.os.apple.fink.tracker
Message-ID </p/fink/package-submissions/4933/aacb79c65829ce4f7c6074084946a38f2af9638c.package-submissions@fink.p.sourceforge.net> 
Info file for llvm40-4.0.1-1 with remaining libclang*.a files moved to clang40-dev and removed dangling symlinks for libgomp and libiomp5 from clang40-shlibs.


Attachments:

- [llvm40.info](https://sourceforge.net/p/fink/package-submissions/_discuss/thread/3eb4f858/672d/attachment/llvm40.info) (49.8 kB; application/octet-stream)


---

** [package-submissions:#4933]  llvm40-4.0.1-1**

**Status:** open
**Group:** Undergoing_Validation
**Created:** Fri Jun 23, 2017 12:24 PM UTC by Jack Howarth
**Last Updated:** Sat Sep 09, 2017 12:31 PM UTC
**Owner:** David Fang


Add llvm40 package for 4.0.1 release and introduce new common libomp-dev, libomp-shlibs and llvm-clang split-offs to allow generic use of the openmp support in clang in other packages without depending on a specific llvm pacakge release. The changes in llvm40 info file compared to the llvm39 info file are...

~~~
--- /sw/fink/10.12/stable/main/finkinfo/languages/llvm39.info	2017-03-13 14:39:34.000000000 -0400
+++ llvm40.info	2017-06-23 04:35:35.000000000 -0400
@@ -1,6 +1,6 @@
 Info3: <<
-Package: llvm39
-Version: 3.9.0
+Package: llvm40
+Version: 4.0.1
 Revision: 1
 Description: Modular and reusable compiler
 License: BSD
@@ -31,19 +31,19 @@
 <<
 
 Source: http://llvm.org/releases/%v/llvm-%v.src.tar.xz
-Source-MD5: f2093e98060532449eb7d2fcfd0bc6c6
+Source-MD5: a818e70321b91e2bb2d47e60edd5408f
 Source2: http://llvm.org/releases/%v/cfe-%v.src.tar.xz
-Source2-MD5: 29e1d86bee422ab5345f5e9fb808d2dc
+Source2-MD5: a6c7b3e953f8b93e252af5917df7db97
 Source3: http://llvm.org/releases/%v/compiler-rt-%v.src.tar.xz
-Source3-MD5: b7ea34c9d744da16ffc0217b6990d095
+Source3-MD5: 0227ac853ce422125f8bb08f6ad5c995
 Source4: http://llvm.org/releases/%v/polly-%v.src.tar.xz
-Source4-MD5: 1cf328cbae25267749b68cfa6f113674
+Source4-MD5: 0d4a3fa2eb446a378bbf01b220851b1f
 Source5: http://llvm.org/releases/%v/libcxx-%v.src.tar.xz
-Source5-MD5: 0a11efefd864ce6f321194e441f7e569
+Source5-MD5: c54f7938e2f393a2cead0af37ed99dfb
 Source6: http://llvm.org/releases/%v/openmp-%v.src.tar.xz
-Source6-MD5: 5390164f2374e1444e82393541ecf6c7
+Source6-MD5: 23e5f720ae119165ba32627467fdc885
 Source7:  http://llvm.org/releases/%v/clang-tools-extra-%v.src.tar.xz
-Source7-MD5: f4f663068c77fc742113211841e94d5e
+Source7-MD5: cfd46027a0ab7eed483dfcc803e86bd9
 # Source8: http://llvm.org/releases/%v/test-suite-%v.src.tar.xz
 # Source8-MD5: 
 # libcxxabi is not needed, use system's libc++abi or libsupc++
@@ -53,9 +53,9 @@
 UseMaxBuildJobs: true
 
 PatchFile: %n.patch
-PatchFile-MD5: 6addcbd4c9fe449b3cd006eb48f5219b
+PatchFile-MD5: 75c1649a1e6ea4e972bc7a381c5a3278
 #PatchFile2: %n-clang.patch
-#PatchFile2-MD5: d2a2b4207c19b7f09f197ae9769a51d2
+#PatchFile2-MD5: 25a45c4.0e14611b278c30b782f0d7e5 
 #PatchFile3: %n-compiler-rt.patch
 #PatchFile3-MD5: 60ed1415e15b1781f2d58c0db17aab78
 #PatchFile4: %n-polly.patch
@@ -65,14 +65,14 @@
 #PatchFile6: %n-clang-omp.patch
 #PatchFile6-MD5: 8067f4cc1f58030f7746521d58c776c2 
 PatchFile7: %n-clang-iomp5.patch
-PatchFile7-MD5: 33f21b006473cbdd5feced616b05903b
+PatchFile7-MD5: 01a579ae10b5044e745f44e66014f632
 
 PatchScript: <<
 	#!/bin/sh -ev
 	# set -o pipefail || :
 	# tarballs have mixed versions b/c some components did not change
-	# "brv" = branch version, 3.9
-	brv=3.9
+	# "brv" = branch version, 4.0
+	brv=4.0
 	darwin_vers=`uname -r | cut -d. -f1`
 	osx_version=`sw_vers -productVersion | cut -d. -f-2`
 
@@ -127,6 +127,12 @@
 	  # or do actual symbol check on nm /usr/lib/libc.dylib /usr/lib/system/libsystem_c.dylib
 	popd
 	pushd ../libcxx-%v.src
+	  if test "$darwin_vers" -lt 17
+	  then
+	    # Prevent undefined _utimensat symbol on Xcode 9 under 10.12
+	    # by avoiding fragile UTIME_OMIT check for utimensat()
+	    perl -pi -e 's|\!defined\(UTIME_OMIT\)|1|g' src/experimental/filesystem/operations.cpp
+	  fi
 	  #if test "$darwin_vers" -lt 11
 	  #then
 	  #  $patch_filter %{PatchFile5} | patch -p1
@@ -201,7 +207,7 @@
 	fink_root=%p
 	version=%v
 	# tarballs have mixed versions b/c some components did not change
-	brv=3.9
+	brv=4.0
 	darwin_vers=`uname -r | cut -d. -f1`
 	osx_version=`sw_vers -productVersion | cut -d. -f-2`
 	llvm_abs_srcdir=%b
@@ -224,6 +230,7 @@
 		sed -i.orig -e '/-DNDEBUG/s|.*|#&|' cmake/modules/HandleLLVMOptions.cmake
 
 	COMMON_CMAKE_OPTIONS=( -DLLVM_LINK_LLVM_DYLIB:BOOL=ON \
+		-DCOMPILER_RT_ENABLE_IOS:BOOL=OFF \
 		-DLLVM_ENABLE_FFI=ON \
 		-DFFI_INCLUDE_DIR=%p/include \
 		-DFFI_LIBRARY_DIR=%p/lib \
@@ -407,7 +414,7 @@
 	sed -i.orig -e 's| -DNDEBUG||g' CMakeCache.txt
 	# fix_llvm_config_build_variables # not needed b/c not using libc++ yet
 	# first make fails, but we have to run it first and then fix some deps
-	make -k || make -j1 VERBOSE=1
+	make -k VERBOSE=1 || make -j1 VERBOSE=1
 	# tests hardcode the .dylib extension for modules
 	pushd lib
 	  ln -s BugpointPasses.{dylib,so}
@@ -449,7 +456,7 @@
 	export CCACHE_COMPILERCHECK=content
 	export CC=cc-st1-clang
 	export CXX=cc-st1-clang++
-	LIBCXX_CMAKE_OPTIONS=( -DLLVM_CONFIG=%b/../build/last/bin/llvm-config -DLIBCXX_INCLUDE_TESTS=ON -DCMAKE_BUILD_TYPE:STRING=$build_type )
+	LIBCXX_CMAKE_OPTIONS=( -DLLVM_CONFIG_PATH=%b/../build/last/bin/llvm-config -DLIBCXX_INCLUDE_TESTS=ON -DCMAKE_BUILD_TYPE:STRING=$build_type )
 	if test $darwin_vers -le 10
 	then flags="$int_as_flag -DDARWIN_LIBSUPCXX=$darwin_vers"
 		abi=libsupc++
@@ -466,11 +473,11 @@
 		abi_includes=/usr/include
 		LIBCXX_CMAKE_OPTIONS=( "${LIBCXX_CMAKE_OPTIONS[@]}" \
 			-DLIBCXX_LIBCPPABI_VERSION="" \
-			-DLIBCXX_LIBCXXABI_INCLUDE_PATHS="$abi_includes" )
+			-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$abi_includes" )
 	else	abi=libcxxabi
 		abi_includes=/usr/include
 		LIBCXX_CMAKE_OPTIONS=( "${LIBCXX_CMAKE_OPTIONS[@]}" \
-			-DLIBCXX_LIBCXXABI_INCLUDE_PATHS="$abi_includes" )
+			-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$abi_includes" )
 	fi
 	# on x86 darwin10+, build FAT
 	if test $darwin_vers -ge 10
@@ -517,10 +524,11 @@
 #		sys_cxx_incdir=`dirname $sys_clang_path`/../lib/c++/v1
 #		libcxx_srcdir="$sys_cxx_incdir"
 #	fi
-	stage23_cxx_flags="-std=c++11 -stdlib=libc++ -cxx-isystem $libcxx_srcdir"
+	stage23_isystem_flags="-cxx-isystem $libcxx_srcdir -cxx-isystem %b/../build/last/lib/clang/%v/include -cxx-isystem /usr/include"
+	stage23_cxx_flags="-std=c++11 -stdlib=libc++ $stage23_isystem_flags"
 	# reuse CC and CXX from stage 1.5
 	STAGE2_LLVM_LDFLAGS=( "-L$libcxx_stage_dir" )
-	STAGE2_CMAKE_OPTIONS=( -DLIBOMP_CFLAGS="-cxx-isystem $libcxx_srcdir" \
+	STAGE2_CMAKE_OPTIONS=( -DLIBOMP_CFLAGS="$stage23_isystem_flags" \
 		-DCMAKE_CXX_FLAGS="$stage23_cxx_flags $int_as_flag ${STAGE2_LLVM_LDFLAGS[@]}" )
 	mkdir -p ../build/stage2
 	pushd ../build/stage2
@@ -529,7 +537,7 @@
 	echo "LDFLAGS = $LDFLAGS"
 	cmake "${COMMON_CMAKE_OPTIONS[@]}" "${LLVM_CMAKE_OPTIONS[@]}" "${STAGE2_CMAKE_OPTIONS[@]}" $relsrcdir
 	fix_llvm_config_build_variables
-	make -k || make VERBOSE=1
+	make -k VERBOSE=1 || make VERBOSE=1
 	pushd lib
 	  ln -s BugpointPasses.{dylib,so}
 	  ln -s LLVMPolly.{so,dylib}
@@ -954,8 +962,8 @@
 	# darwin8: manually unpacked xz
 	test "$darwin_vers" -ge 9 || cd llvm-%v.src
 
-	# "brv" = branch version, 3.9
-	brv=3.9
+	# "brv" = branch version, 4.0
+	brv=4.0
 	# optional: de-rpath shared library dependencies
 	de_rpath_deps=1
 
@@ -1049,7 +1057,7 @@
 		then
 		# darwin10 cctools introduced install_name -delete_rpath
 		test $de_rpath_deps = 0 || test $darwin_vers -lt 10 ||
-		  install_name_tool -delete_rpath "@executable_path/../lib" $f
+		  install_name_tool -delete_rpath "@loader_path/../lib" $f
 		deplibs=`otool -L $f | sed 1d | awk '{print $1;}' | tr '\n' ' '`
 		for d in $deplibs
 		do
@@ -1078,15 +1086,6 @@
 	iprefix=%i/$stem
 	prefix=%p/$stem
 
-	# Pass path to libLTO.dylib with -lto_library using ld shell script
-	pushd $iprefix/bin
-		cat <<EOF > ./ld
-#!/bin/sh
-exec /usr/bin/ld -lto_library %p/opt/llvm-3.9/lib/libLTO.dylib "\$@"
-EOF
-		chmod ugo+x ./ld
-	popd
-
 # convenient clang symlinks
 	mkdir -p %i/bin
 	pushd %i/bin
@@ -1112,48 +1111,67 @@
 		cp %b/../build/last/*-check.log testlogs/
 		cp %b/../build/last-libcxx/*-check.log testlogs/
 	popd
+
+# place omp.h in %p/include/libomp for common libomp-dev package
+	install -d %i/include/libomp
+	pushd %i/opt/llvm-$brv/lib/clang/%v/include
+		mv omp.h %i/include/libomp
+	popd
+
+# place libomp.dylib in libomp subdirectory for common libomp-shlibs package
+	install -d %i/lib/libomp
+	pushd %i/opt/llvm-$brv/lib
+		mv libomp.dylib %i/lib/libomp
+		ln -s libomp.dylib %i/lib/libomp/libiomp5.dylib
+		ln -s libomp.dylib %i/lib/libomp/libgomp.dylib
+	popd
+	install_name_tool -id %p/lib/libomp/libomp.dylib %i/lib/libomp/libomp.dylib
+
+# create compiler symlinks for common llvm-clang split-off
+	ln -s clang-$brv %i/bin/llvm-clang
+	ln -s clang++-$brv %i/bin/llvm-clang++
 <<
 SplitOff: <<
-	Package: clang39-tools
-	Depends: clang39-shlibs (= %v-%r)
+	Package: clang40-tools
+	Depends: clang40-shlibs (= %v-%r)
 	Description: Extra tools for clang, such as formatting
 	Files: <<
-		opt/llvm-3.9/bin/*clang-format*
-		opt/llvm-3.9/bin/clang-apply-replacements
-		opt/llvm-3.9/bin/clang-rename
-		opt/llvm-3.9/bin/clang-tidy
-		opt/llvm-3.9/share/clang
+		opt/llvm-4.0/bin/*clang-format*
+		opt/llvm-4.0/bin/clang-apply-replacements
+		opt/llvm-4.0/bin/clang-rename
+		opt/llvm-4.0/bin/clang-tidy
+		opt/llvm-4.0/share/clang
 	<<
 <<
 SplitOff2: <<
-	Package: clang39-docs
+	Package: clang40-docs
 	Description: Documenation for clang and related tools
 	Files: <<
-		opt/llvm-3.9/share/doc/clang
-		opt/llvm-3.9/share/doc/clang-html
-		opt/llvm-3.9/share/doc/%N/testlogs/clang-%v-check.log
-		opt/llvm-3.9/share/doc/%N/testlogs/openmp-%v-check.log
-		opt/llvm-3.9/share/doc/%N/testlogs/compiler-rt-%v-check.log
+		opt/llvm-4.0/share/doc/clang
+		opt/llvm-4.0/share/doc/clang-html
+		opt/llvm-4.0/share/doc/%N/testlogs/clang-%v-check.log
+		opt/llvm-4.0/share/doc/%N/testlogs/openmp-%v-check.log
+		opt/llvm-4.0/share/doc/%N/testlogs/compiler-rt-%v-check.log
 	<<
 <<
 SplitOff3: <<
-	Package: clang39-dev
+	Package: clang40-dev
 	BuildDependsOnly: true
-	Depends: clang39-shlibs (= %v-%r)
+	Depends: clang40-shlibs (= %v-%r)
 	Description: Development headers for clang API
 	Files: <<
-		opt/llvm-3.9/include/clang
-		opt/llvm-3.9/include/clang-c
+		opt/llvm-4.0/include/clang
+		opt/llvm-4.0/include/clang-c
 	<<
 <<
 SplitOff4: <<
-	Package: clang39-shlibs
+	Package: clang40-shlibs
 	Depends: %N-shlibs (= %v-%r)
 	Description: Shared libraries for clang compiler
 	Files: <<
-		opt/llvm-3.9/lib/libclang*
-		opt/llvm-3.9/lib/clang/%v/lib
-		(%m != powerpc) opt/llvm-3.9/lib/lib*omp*.dylib
+		opt/llvm-4.0/lib/libclang*
+		opt/llvm-4.0/lib/clang/%v/lib
+		(%m != powerpc) opt/llvm-4.0/lib/lib*omp*.dylib
 	<<
 	DocFiles: <<
 		tools/clang/*.TXT
@@ -1163,78 +1181,78 @@
 		tools/clang/README.txt
 	<<
 	Shlibs: <<
-	 	%p/opt/llvm-3.9/lib/libclang.dylib 1.0.0 %n (>= 3.9.0-0)
-		!%p/opt/llvm-3.9/lib/clang/%v/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
-		!%p/opt/llvm-3.9/lib/clang/%v/lib/darwin/libclang_rt.stats_osx_dynamic.dylib
-		!%p/opt/llvm-3.9/lib/clang/%v/lib/darwin/libclang_rt.tsan_osx_dynamic.dylib
-		!%p/opt/llvm-3.9/lib/clang/%v/lib/darwin/libclang_rt.ubsan_osx_dynamic.dylib
-		(%m != powerpc) %p/opt/llvm-3.9/lib/libomp.dylib 5.0.0 %n (>= 3.9.0-0)
+	 	%p/opt/llvm-4.0/lib/libclang.dylib 1.0.0 %n (>= 4.0.0-0)
+		!%p/opt/llvm-4.0/lib/clang/%v/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
+		!%p/opt/llvm-4.0/lib/clang/%v/lib/darwin/libclang_rt.stats_osx_dynamic.dylib
+		!%p/opt/llvm-4.0/lib/clang/%v/lib/darwin/libclang_rt.tsan_osx_dynamic.dylib
+		!%p/opt/llvm-4.0/lib/clang/%v/lib/darwin/libclang_rt.ubsan_osx_dynamic.dylib
 	<<
 <<
 SplitOff5: <<
-	Package: clang39
+	Package: clang40
 	Depends: <<
 	# only darwin8 needs odcctools
 	#	odcctools,
 	# choosing to require opt-in instead of defaulting to libcxx1-dev
 	#	libcxx1-dev,
-		clang39-shlibs (= %v-%r),
-		polly39-shlibs (= %v-%r)
+		libomp-dev (>= %v-%r),
+		clang40-shlibs (= %v-%r),
+		libomp-shlibs (>= %v-%r),
+		polly40-shlibs (= %v-%r)
 	<<
 	Description: Executables and runtime for clang compiler
 	BuildDependsOnly: false
 	Files: <<
 		bin/clang*
-		opt/llvm-3.9/bin/clang*
-		opt/llvm-3.9/bin/ld
-		opt/llvm-3.9/lib/clang
+		opt/llvm-4.0/bin/clang*
+		opt/llvm-4.0/lib/clang
 	<<
 	DescUsage: <<
-	To use clang/clang++, point your PATH to %p/opt/llvm-3.9/bin.
+	To use clang/clang++, point your PATH to %p/opt/llvm-4.0/bin.
 	clang++ uses the system C++ library by default.
-	To use libcxx1-dev, pass "-cxx-isystem %p/include/c++/v1"
+	To use libcxx1-dev, pass "-cxx-isystem %p/include/c++/v1 -cxx-isystem %p/opt/llvm-4.0/lib/clang/%v/include -cxx-isystem /usr/include"
 	and -L%p/lib/c++.
-	To use LTO, make sure builds set AR=%p/opt/llvm-3.9/bin/llvm-ar
-	and RANLIB=%p/opt/llvm-3.9/bin/llvm-ranlib.
+	To use LTO, make sure builds set AR=%p/opt/llvm-4.0/bin/llvm-ar
+	and RANLIB=%p/opt/llvm-4.0/bin/llvm-ranlib.
 	<<
 <<
 SplitOff6: <<
-	Package: polly39-docs
+	Package: polly40-docs
 	Description: Documentation for Polly optimizer
 	Files: <<
-		opt/llvm-3.9/share/doc/polly-html
-		opt/llvm-3.9/share/doc/%N/testlogs/polly-%v-check.log
+		opt/llvm-4.0/share/doc/polly-html
+		opt/llvm-4.0/share/doc/%N/testlogs/polly-%v-check.log
 	<<
 <<
 SplitOff7: <<
-	Package: polly39-dev
-	Depends: polly39-shlibs (= %v-%r)
+	Package: polly40-dev
+	Depends: polly40-shlibs (= %v-%r)
 	BuildDependsOnly: true
 	Description: Development headers for Polly loop optimizer
 	Files: <<
-		opt/llvm-3.9/include/polly
+		opt/llvm-4.0/include/polly
 	<<
 <<
 SplitOff8: <<
-	Package: polly39-shlibs
+	Package: polly40-shlibs
 	Description: Shared libraries for Polly loop optimizer
 	Depends: <<
 		%N-shlibs (= %v-%r)
 	<<
 	Files: <<
-		opt/llvm-3.9/lib/LLVMPolly.so
+		opt/llvm-4.0/lib/LLVMPolly.so
 	<<
 	DocFiles: tools/polly/LICENSE.txt tools/polly/CREDITS.txt
 	Shlibs: <<
-		!%p/opt/llvm-3.9/lib/LLVMPolly.so
+		!%p/opt/llvm-4.0/lib/LLVMPolly.so
 	<<
 <<
 SplitOff9: <<
 	Package: %N-docs
 	Description: Documentation for LLVM tools and internals
 	Files: <<
-		opt/llvm-3.9/share/doc/llvm
-		opt/llvm-3.9/share/doc/%N/testlogs/llvm-%v-check.log
+		opt/llvm-4.0/share/doc/llvm
+		opt/llvm-4.0/share/doc/%N/testlogs/llvm-%v-check.log
 	<<
 <<
 SplitOff10: <<
@@ -1243,8 +1261,8 @@
 	BuildDependsOnly: true
 	Description: Developement headers for LLVM infrastructure
 	Files: <<
-		opt/llvm-3.9/include/llvm
-		opt/llvm-3.9/include/llvm-c
+		opt/llvm-4.0/include/llvm
+		opt/llvm-4.0/include/llvm-c
 	<<
 <<
 SplitOff11: <<
@@ -1257,17 +1275,17 @@
 		libncurses5-shlibs
 	<<
 	Files: <<
-		opt/llvm-3.9/lib/BugpointPasses.dylib
-		opt/llvm-3.9/lib/LLVMHello.dylib
-		opt/llvm-3.9/lib/libLLVM*.dylib
-		opt/llvm-3.9/lib/libLTO*.dylib
+		opt/llvm-4.0/lib/BugpointPasses.dylib
+		opt/llvm-4.0/lib/LLVMHello.dylib
+		opt/llvm-4.0/lib/libLLVM*.dylib
+		opt/llvm-4.0/lib/libLTO*.dylib
 	<<
 	DocFiles: *.TXT README.txt
 	Shlibs: <<
-		!%p/opt/llvm-3.9/lib/BugpointPasses.dylib
-		!%p/opt/llvm-3.9/lib/LLVMHello.dylib
-		!%p/opt/llvm-3.9/lib/libLLVM.dylib
-		!%p/opt/llvm-3.9/lib/libLTO.dylib
+		!%p/opt/llvm-4.0/lib/BugpointPasses.dylib
+		!%p/opt/llvm-4.0/lib/LLVMHello.dylib
+		!%p/opt/llvm-4.0/lib/libLLVM.dylib
+		!%p/opt/llvm-4.0/lib/libLTO.dylib
 	<<
 <<
 SplitOff12: <<
@@ -1275,7 +1293,7 @@
 	Description: Standard library for libc++
 	Files: lib/c++/libc++.*.*.dylib
 	Shlibs: <<
-	 	%p/lib/c++/libc++.1.0.dylib 1.0.0 %n (>= 3.9.0-0)
+	 	%p/lib/c++/libc++.1.0.dylib 1.0.0 %n (>= 4.0.0-0)
 	<<
 	DocFiles: ../libcxx-%v.src/*.TXT
 	DescPort: <<
@@ -1298,7 +1316,7 @@
 	Files: <<
 		include/c++
 		lib/c++/libc++*.dylib
-		opt/llvm-3.9/share/doc/%N/testlogs/libcxx-%v-check.log
+		opt/llvm-4.0/share/doc/%N/testlogs/libcxx-%v-check.log
 	<<
 	DescPort: <<
 	This C++ library is always built using the system's C++ ABI library,
@@ -1313,20 +1331,51 @@
 	<<
 <<
 SplitOff14: <<
+	Package: libomp-shlibs
+	Description: Standard library for libomp
+	Files: <<
+		(%m != powerpc) lib//libomp/lib*omp*.dylib
+	<<
+	DocFiles: <<
+		projects/openmp/CREDITS.txt
+		projects/openmp/LICENSE.txt
+	<<
+	Shlibs: <<
+		(%m != powerpc) %p/lib/libomp/libomp.dylib 5.0.0 %n (>= 4.0.0-2)
+	<<
+<<
+SplitOff15: <<
+	Package: libomp-dev
+	Description: Standard library header for libomp
+	Depends: libomp-shlibs (= %v-%r)
+	BuildDependsOnly: false
+	Files: include/libomp/omp.h
+	DescPackaging: <<
+	BuildDependsOnly set to false since clang compiler always needs
+	access to omp.h at run-time.
+	<<
+<<
+SplitOff16: <<
+	Package: llvm-clang
+	Description: LLVM.org clang compilers
+	Depends: clang40 (= %v-%r)
+	Files: bin/llvm-clang bin/llvm-clang++
+<<
+SplitOff17: <<
 	Package: %N-bundle
 	Description: Bundle of LLVM/Clang compiler tools
 	Type: bundle
 	Depends: <<
 		%N,
 		%N-docs,
-		clang39,
-		clang39-docs,
-		clang39-tools,
-		polly39-docs
+		clang40,
+		clang40-docs,
+		clang40-tools,
+		polly40-docs
 	<<
 	DescDetail: <<
 	Installing this gets all of the binaries, libraries, and
-	documentation for the llvm39 package set.
+	documentation for the llvm40 package set.
 	The -dev headers are separate because they are build-depends-only:true.
 	<<
 <<
@@ -1343,7 +1392,7 @@
 Permission granted by Google to contribute packaging.
 <<
 DescPackaging: <<
-clang binaries now live in the clang39 split-off.
+clang binaries now live in the clang40 split-off.
 The %N-bundle package installs the entire set except for -dev headers.  
 
 libc++ is installed with headers at %p/include/c++/v1
@@ -1409,13 +1458,18 @@
 at commit 3f687cbc520a8b8f506d7941f0cebd6c5af1cef6
 
 Drop building libclang_rt.asan_iossim_dynamic.dylib as it now requires targetting
-10.9 and would require distribution variants of llvm39. Revert the openmp testsuite
+10.9 and would require distribution variants of llvm40. Revert the openmp testsuite
 changes to 3.6.1 as the testsuite conversion is unlikely to be completed in time
-for the 3.9.0 release. Also conceptually using -S -emit-llvm doesn't exercise the
-functionality of the openmp library. Added llvm39-openmp-cmake.patch to apply
+for the 4.0.0 release. Also conceptually using -S -emit-llvm doesn't exercise the
+functionality of the openmp library. Added llvm40-openmp-cmake.patch to apply
 proposed over-haul of the openmp's cmake until upstream commits. For darwin11/12,
 pass -DLIBCXX_LIBCPPABI_VERSION="" on LIBCXX_CMAKE_OPTIONS as work-around for
-https://llvm.org/bugs/show_bug.cgi?id=23439. Only apply llvm39-libcxx.patch on
+https://llvm.org/bugs/show_bug.cgi?id=23439. Only apply llvm40-libcxx.patch on
 darwin10 and earlier.
+
+The presence of additional c headers in include/c++/v1 on Xcode 9 requires that
+"-cxx-isystem %b/../build/last/lib/clang/%v/include -cxx-isystem /usr/include"
+be appended to stage23_cxx_flags and LIBOMP_CFLAGS. Created stage23_isystem_flags
+to pass the -cxx-isystem flags.
 <<
 <<
~~~

Note that the new split-offs allow builds for packages requiring openmp support using...
BuildDepends: llvm-clang
Depends: libomp-shlibs
SetCC: llvm-clang
SetCXX: llvm-clang++
which eliminates dependencies on a specific llvmXY release. Note that the BuildDepends on llvm-clang provides the additional BuildDepends on the new libomp-dev split-off indirectly through its depencency on clang40.

To avoid bootstrap breakage with Xcode 9 due to the additional c headers added to the common system c++/v1 header directory.
Info file tested on 10.12 with 'fink -m' against Xcode 8.3.3 and Xcode 9 beta. No regression observed under the Xcode 8.3.3 but the Xcode 9 build shows 58 regressions in the libc++ testsuite. These can be safely ignored as they are limited to the experimental library built in the testsuite and are due to the libcxx-4.0.0.src/src/experimental/filesystem/operations.cpp sources assuming that the definition of UTIME_OMIT in the common MacOSX.sdk/usr/include/sys/stat.h means that the utimensat() symbol exists resulting in the static lib having _utimensat undefined.

Prevent undefined utimensat symbol on Xcode 9 under 10.12 to eliminate libc++ testsuite failures and add stage23_isystem_flags as recommended by David Fang as well a comment on the need for the additional -cxx-isystem flags under Xcode 9.

Tested with 'fink -m' on 10.11 and 10.12. Commit of new packaging okayed by maintainer.


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