Backport to rename alignof, fixes C++'0x compilers support

(Portage version: 2.2.0_alpha9/cvs/Linux x86_64)

3 files changed, 248 insertions, 1 deletions

diff --git a/sys-devel/llvm/ChangeLog b/sys-devel/llvm/ChangeLog
index 6996c167b082..78e43afbd24d 100644
--- a/sys-devel/llvm/ChangeLog
+++ b/sys-devel/llvm/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for sys-devel/llvm
 # Copyright 1999-2010 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm/ChangeLog,v 1.29 2010/11/11 17:31:47 hwoarang Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm/ChangeLog,v 1.30 2010/12/19 22:45:41 voyageur Exp $
+
+*llvm-2.8-r2 (19 Dec 2010)
+
+  19 Dec 2010; Bernard Cafarelli <voyageur@gentoo.org> +llvm-2.8-r2.ebuild,
+  +files/llvm-2.8-alignof.patch:
+  Backport to rename alignof, fixes C++'0x compilers support
 
   11 Nov 2010; Markos Chandras <hwoarang@gentoo.org> llvm-2.8-r1.ebuild:
   Stable on amd64 wrt bug #336371
diff --git a/sys-devel/llvm/files/llvm-2.8-alignof.patch b/sys-devel/llvm/files/llvm-2.8-alignof.patch
new file mode 100644
index 000000000000..ae7f314d2d26
--- /dev/null
+++ b/sys-devel/llvm/files/llvm-2.8-alignof.patch
@@ -0,0 +1,59 @@
+Index: include/llvm/ADT/StringMap.h
+===================================================================
+--- include/llvm/ADT/StringMap.h	(révision 117773)
++++ include/llvm/ADT/StringMap.h	(révision 117774)
+@@ -167,7 +167,7 @@
+ 
+     unsigned AllocSize = static_cast<unsigned>(sizeof(StringMapEntry))+
+       KeyLength+1;
+-    unsigned Alignment = alignof<StringMapEntry>();
++    unsigned Alignment = alignOf<StringMapEntry>();
+ 
+     StringMapEntry *NewItem =
+       static_cast<StringMapEntry*>(Allocator.Allocate(AllocSize,Alignment));
+Index: include/llvm/Support/AlignOf.h
+===================================================================
+--- include/llvm/Support/AlignOf.h	(révision 117773)
++++ include/llvm/Support/AlignOf.h	(révision 117774)
+@@ -49,12 +49,12 @@
+ 
+ };
+ 
+-/// alignof - A templated function that returns the mininum alignment of
++/// alignOf - A templated function that returns the mininum alignment of
+ ///  of a type.  This provides no extra functionality beyond the AlignOf
+ ///  class besides some cosmetic cleanliness.  Example usage:
+-///  alignof<int>() returns the alignment of an int.
++///  alignOf<int>() returns the alignment of an int.
+ template <typename T>
+-static inline unsigned alignof() { return AlignOf<T>::Alignment; }
++static inline unsigned alignOf() { return AlignOf<T>::Alignment; }
+ 
+ } // end namespace llvm
+ #endif
+Index: include/llvm/Support/Allocator.h
+===================================================================
+--- include/llvm/Support/Allocator.h	(révision 117773)
++++ include/llvm/Support/Allocator.h	(révision 117774)
+@@ -201,7 +201,7 @@
+       char *End = Slab == Allocator.CurSlab ? Allocator.CurPtr :
+                                               (char *)Slab + Slab->Size;
+       for (char *Ptr = (char*)(Slab+1); Ptr < End; Ptr += sizeof(T)) {
+-        Ptr = Allocator.AlignPtr(Ptr, alignof<T>());
++        Ptr = Allocator.AlignPtr(Ptr, alignOf<T>());
+         if (Ptr + sizeof(T) <= End)
+           reinterpret_cast<T*>(Ptr)->~T();
+       }
+Index: include/llvm/CodeGen/SlotIndexes.h
+===================================================================
+--- include/llvm/CodeGen/SlotIndexes.h	(révision 117773)
++++ include/llvm/CodeGen/SlotIndexes.h	(révision 117774)
+@@ -393,7 +393,7 @@
+       IndexListEntry *entry =
+         static_cast<IndexListEntry*>(
+           ileAllocator.Allocate(sizeof(IndexListEntry),
+-          alignof<IndexListEntry>()));
++          alignOf<IndexListEntry>()));
+ 
+       new (entry) IndexListEntry(mi, index);
+ 
diff --git a/sys-devel/llvm/llvm-2.8-r2.ebuild b/sys-devel/llvm/llvm-2.8-r2.ebuild
new file mode 100644
index 000000000000..3dfb4ecafeef
--- /dev/null
+++ b/sys-devel/llvm/llvm-2.8-r2.ebuild
@@ -0,0 +1,182 @@
+# Copyright 1999-2010 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm/llvm-2.8-r2.ebuild,v 1.1 2010/12/19 22:45:41 voyageur Exp $
+
+EAPI="3"
+inherit eutils multilib toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="http://llvm.org/"
+# Upstream silently re-released the tarball...
+# drop the -> in 2.9
+SRC_URI="http://llvm.org/releases/${PV}/${P}.tgz -> ${P}-r1.tgz"
+
+LICENSE="UoI-NCSA"
+SLOT="0"
+KEYWORDS="~amd64 ~ppc ~x86 ~amd64-linux ~ppc-macos"
+IUSE="alltargets debug +libffi llvm-gcc ocaml test udis86"
+
+DEPEND="dev-lang/perl
+	>=sys-devel/make-3.79
+	>=sys-devel/flex-2.5.4
+	>=sys-devel/bison-1.28
+	!~sys-devel/bison-1.85
+	!~sys-devel/bison-1.875
+	|| ( >=sys-devel/gcc-3.0 >=sys-devel/gcc-apple-4.2.1 )
+	|| ( >=sys-devel/binutils-2.18 >=sys-devel/binutils-apple-3.2.3 )
+	libffi? ( virtual/libffi )
+	ocaml? ( dev-lang/ocaml )
+	udis86? ( amd64? ( dev-libs/udis86[pic] )
+		!amd64? ( dev-libs/udis86 ) )"
+RDEPEND="dev-lang/perl"
+
+S=${WORKDIR}/${PN}-${PV/_pre*}
+
+pkg_setup() {
+	# need to check if the active compiler is ok
+
+	broken_gcc=" 3.2.2 3.2.3 3.3.2 4.1.1 "
+	broken_gcc_x86=" 3.4.0 3.4.2 "
+	broken_gcc_amd64=" 3.4.6 "
+
+	gcc_vers=$(gcc-fullversion)
+
+	if [[ ${broken_gcc} == *" ${version} "* ]] ; then
+		elog "Your version of gcc is known to miscompile llvm."
+		elog "Check http://www.llvm.org/docs/GettingStarted.html for"
+		elog "possible solutions."
+		die "Your currently active version of gcc is known to miscompile llvm"
+	fi
+
+	if [[ ${CHOST} == i*86-* && ${broken_gcc_x86} == *" ${version} "* ]] ; then
+		elog "Your version of gcc is known to miscompile llvm on x86"
+		elog "architectures.  Check"
+		elog "http://www.llvm.org/docs/GettingStarted.html for possible"
+		elog "solutions."
+		die "Your currently active version of gcc is known to miscompile llvm"
+	fi
+
+	if [[ ${CHOST} == x86_64-* && ${broken_gcc_amd64} == *" ${version} "* ]];
+	then
+		 elog "Your version of gcc is known to miscompile llvm in amd64"
+		 elog "architectures.  Check"
+		 elog "http://www.llvm.org/docs/GettingStarted.html for possible"
+		 elog "solutions."
+		die "Your currently active version of gcc is known to miscompile llvm"
+	 fi
+}
+
+src_prepare() {
+	# unfortunately ./configure won't listen to --mandir and the-like, so take
+	# care of this.
+	einfo "Fixing install dirs"
+	sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(PROJ_prefix)/share/doc/'${PF}, \
+		-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
+		-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir)/${PN}, \
+		-i Makefile.config.in || die "Makefile.config sed failed"
+	sed -e 's,$ABS_RUN_DIR/lib,'"${EPREFIX}"/usr/$(get_libdir)/${PN}, \
+		-i tools/llvm-config/llvm-config.in.in || die "llvm-config sed failed"
+
+	einfo "Fixing rpath"
+	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/${PN}, \
+		-i Makefile.rules || die "rpath sed failed"
+
+	epatch "${FILESDIR}"/${PN}-2.7-nodoctargz.patch
+	epatch "${FILESDIR}"/${PN}-2.6-commandguide-nops.patch
+	epatch "${FILESDIR}"/${PN}-2.8-darwin8.patch
+	# Upstream backport, r117774
+	epatch "${FILESDIR}"/${P}-alignof.patch
+}
+
+src_configure() {
+	local CONF_FLAGS="--enable-shared"
+
+	if use debug; then
+		CONF_FLAGS="${CONF_FLAGS} --disable-optimized"
+		einfo "Note: Compiling LLVM in debug mode will create huge and slow binaries"
+		# ...and you probably shouldn't use tmpfs, unless it can hold 900MB
+	else
+		CONF_FLAGS="${CONF_FLAGS} \
+			--enable-optimized \
+			--disable-assertions \
+			--disable-expensive-checks"
+	fi
+
+	if use alltargets; then
+		CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
+	else
+		CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only"
+	fi
+
+	if use amd64; then
+		CONF_FLAGS="${CONF_FLAGS} --enable-pic"
+	fi
+
+	# things would be built differently depending on whether llvm-gcc is
+	# used or not.
+	local LLVM_GCC_DIR=/dev/null
+	local LLVM_GCC_DRIVER=nope ; local LLVM_GPP_DRIVER=nope
+	if use llvm-gcc ; then
+		if has_version sys-devel/llvm-gcc; then
+			LLVM_GCC_DIR=$(ls -d ${EROOT}/usr/$(get_libdir)/llvm-gcc* 2> /dev/null)
+			LLVM_GCC_DRIVER=$(find ${LLVM_GCC_DIR} -name 'llvm*-gcc' 2> /dev/null)
+			if [[ -z ${LLVM_GCC_DRIVER} ]] ; then
+				die "failed to find installed llvm-gcc, LLVM_GCC_DIR=${LLVM_GCC_DIR}"
+			fi
+			einfo "Using $LLVM_GCC_DRIVER"
+			LLVM_GPP_DRIVER=${LLVM_GCC_DRIVER/%-gcc/-g++}
+		else
+			eerror "llvm-gcc USE flag enabled, but sys-devel/llvm-gcc was not found"
+			eerror "Building with standard gcc, re-merge this package after installing"
+			eerror "llvm-gcc to build with it"
+			eerror "This is normal behavior on first LLVM merge"
+		fi
+	fi
+
+	CONF_FLAGS="${CONF_FLAGS} \
+		--with-llvmgccdir=${LLVM_GCC_DIR} \
+		--with-llvmgcc=${LLVM_GCC_DRIVER} \
+		--with-llvmgxx=${LLVM_GPP_DRIVER}"
+
+	if use ocaml; then
+		CONF_FLAGS="${CONF_FLAGS} --enable-bindings=ocaml"
+	else
+		CONF_FLAGS="${CONF_FLAGS} --enable-bindings=none"
+	fi
+
+	if use udis86; then
+		CONF_FLAGS="${CONF_FLAGS} --with-udis86"
+	fi
+	CONF_FLAGS="${CONF_FLAGS} $(use_enable libffi)"
+	econf ${CONF_FLAGS} || die "econf failed"
+}
+
+src_compile() {
+	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 || die "emake failed"
+}
+
+src_install() {
+	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install || die "install failed"
+
+	# Fix install_names on Darwin.  The build system is too complicated
+	# to just fix this, so we correct it post-install
+	if [[ ${CHOST} == *-darwin* ]] ; then
+		for lib in lib{EnhancedDisassembly,LLVM-${PV},BugpointPasses,LLVMHello,LTO,profile_rt}.dylib ; do
+			# libEnhancedDisassembly is Darwin10 only, so non-fatal
+			[[ -f ${ED}/usr/lib/${PN}/${lib} ]] || continue
+			ebegin "fixing install_name of $lib"
+			install_name_tool \
+				-id "${EPREFIX}"/usr/lib/${PN}/${lib} \
+				"${ED}"/usr/lib/${PN}/${lib}
+			eend $?
+		done
+		for f in "${ED}"/usr/bin/* "${ED}"/usr/lib/${PN}/libLTO.dylib ; do
+			ebegin "fixing install_name reference to libLLVM-${PV}.dylib of ${f##*/}"
+			install_name_tool \
+				-change "${S}"/Release/lib/libLLVM-${PV}.dylib \
+					"${EPREFIX}"/usr/lib/${PN}/libLLVM-${PV}.dylib \
+				"${f}"
+			eend $?
+		done
+	fi
+}