summaryrefslogtreecommitdiff
blob: 2d567c186d72f8e25296523b44a5d42ab0a7c184 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm/llvm-9999.ebuild,v 1.15 2011/10/04 11:43:37 voyageur Exp $

EAPI="3"
inherit subversion eutils flag-o-matic multilib toolchain-funcs

DESCRIPTION="Low Level Virtual Machine"
HOMEPAGE="http://llvm.org/"
SRC_URI=""
ESVN_REPO_URI="http://llvm.org/svn/llvm-project/llvm/trunk"

LICENSE="UoI-NCSA"
SLOT="0"
KEYWORDS=""
IUSE="debug +libffi llvm-gcc multitarget ocaml test udis86 vim-syntax"

DEPEND="dev-lang/perl
	>=sys-devel/make-3.79
	>=sys-devel/flex-2.5.4
	>=sys-devel/bison-1.875d
	|| ( >=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? ( dev-util/pkgconfig
		virtual/libffi )
	ocaml? ( dev-lang/ocaml )
	udis86? ( amd64? ( dev-libs/udis86[pic] )
		!amd64? ( dev-libs/udis86 ) )"
RDEPEND="dev-lang/perl
	libffi? ( virtual/libffi )
	vim-syntax? ( || ( app-editors/vim app-editors/gvim ) )"

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 and CFLAGS"
	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/${PN}, \
		-e '/OmitFramePointer/s/-fomit-frame-pointer//' \
		-i Makefile.rules || die "rpath sed failed"

	epatch "${FILESDIR}"/${PN}-2.6-commandguide-nops.patch
	epatch "${FILESDIR}"/${PN}-2.9-nodoctargz.patch
}

src_configure() {
	local CONF_FLAGS="--enable-shared
		--with-optimize-option=
		$(use_enable !debug optimized)
		$(use_enable debug assertions)
		$(use_enable debug expensive-checks)"

	if use multitarget; 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

	if use libffi; then
		append-cppflags "$(pkg-config --cflags libffi)"
	fi
	CONF_FLAGS="${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"

	if use vim-syntax; then
		insinto /usr/share/vim/vimfiles/syntax
		doins utils/vim/*.vim
	fi

	# 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},LTO}.dylib {BugpointPasses,LLVMHello,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 ${f##*/}"
			install_name_tool \
				-change "@executable_path/../lib/libLLVM-${PV}.dylib" \
					"${EPREFIX}"/usr/lib/${PN}/libLLVM-${PV}.dylib \
				"${f}"
			eend $?
		done
	fi
}