/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2011 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.106 2011/09/09 19:14:19 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.109 2011/12/10 19:45:00 vapier Exp $
4 4
5# @ECLASS: toolchain-funcs.eclass 5# @ECLASS: toolchain-funcs.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# Toolchain Ninjas <toolchain@gentoo.org> 7# Toolchain Ninjas <toolchain@gentoo.org>
8# @BLURB: functions to query common info about the toolchain 8# @BLURB: functions to query common info about the toolchain
11# for gleaning useful information about the toolchain and to simplify 11# for gleaning useful information about the toolchain and to simplify
12# ugly things like cross-compiling and multilib. All of this is done 12# ugly things like cross-compiling and multilib. All of this is done
13# in such a way that you can rely on the function always returning 13# in such a way that you can rely on the function always returning
14# something sane. 14# something sane.
15 15
16___ECLASS_RECUR_TOOLCHAIN_FUNCS="yes" 16if [[ ${___ECLASS_ONCE_TOOLCHAIN_FUNCS} != "recur -_+^+_- spank" ]] ; then
17[[ -z ${___ECLASS_RECUR_MULTILIB} ]] && inherit multilib 17___ECLASS_ONCE_TOOLCHAIN_FUNCS="recur -_+^+_- spank"
18
19inherit multilib
18 20
19DESCRIPTION="Based on the ${ECLASS} eclass" 21DESCRIPTION="Based on the ${ECLASS} eclass"
20 22
21# tc-getPROG <VAR [search vars]> <default> [tuple] 23# tc-getPROG <VAR [search vars]> <default> [tuple]
22_tc-getPROG() { 24_tc-getPROG() {
39 [[ -n ${search} ]] && prog=${search##*/} 41 [[ -n ${search} ]] && prog=${search##*/}
40 42
41 export ${var}=${prog} 43 export ${var}=${prog}
42 echo "${!var}" 44 echo "${!var}"
43} 45}
44tc-getBUILD_PROG() { _tc-getPROG CBUILD "$@"; } 46tc-getBUILD_PROG() { _tc-getPROG CBUILD "BUILD_$1 $1_FOR_BUILD HOST$1" "${@:2}"; }
45tc-getPROG() { _tc-getPROG CHOST "$@"; } 47tc-getPROG() { _tc-getPROG CHOST "$@"; }
46 48
47# @FUNCTION: tc-getAR 49# @FUNCTION: tc-getAR
48# @USAGE: [toolchain prefix] 50# @USAGE: [toolchain prefix]
49# @RETURN: name of the archiver 51# @RETURN: name of the archiver
107# @FUNCTION: tc-getDLLWRAP 109# @FUNCTION: tc-getDLLWRAP
108# @USAGE: [toolchain prefix] 110# @USAGE: [toolchain prefix]
109# @RETURN: name of the Windows dllwrap utility 111# @RETURN: name of the Windows dllwrap utility
110tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; } 112tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; }
111 113
114# @FUNCTION: tc-getBUILD_AR
115# @USAGE: [toolchain prefix]
116# @RETURN: name of the archiver for building binaries to run on the build machine
117tc-getBUILD_AR() { tc-getBUILD_PROG AR ar "$@"; }
118# @FUNCTION: tc-getBUILD_AS
119# @USAGE: [toolchain prefix]
120# @RETURN: name of the assembler for building binaries to run on the build machine
121tc-getBUILD_AS() { tc-getBUILD_PROG AS as "$@"; }
112# @FUNCTION: tc-getBUILD_CC 122# @FUNCTION: tc-getBUILD_CC
113# @USAGE: [toolchain prefix] 123# @USAGE: [toolchain prefix]
114# @RETURN: name of the C compiler for building binaries to run on the build machine 124# @RETURN: name of the C compiler for building binaries to run on the build machine
115tc-getBUILD_CC() { tc-getBUILD_PROG "BUILD_CC CC_FOR_BUILD HOSTCC" gcc "$@"; } 125tc-getBUILD_CC() { tc-getBUILD_PROG CC gcc "$@"; }
116# @FUNCTION: tc-getBUILD_CPP 126# @FUNCTION: tc-getBUILD_CPP
117# @USAGE: [toolchain prefix] 127# @USAGE: [toolchain prefix]
118# @RETURN: name of the C preprocessor for building binaries to run on the build machine 128# @RETURN: name of the C preprocessor for building binaries to run on the build machine
119tc-getBUILD_CPP() { tc-getBUILD_PROG "BUILD_CPP CPP_FOR_BUILD HOSTCPP" cpp "$@"; } 129tc-getBUILD_CPP() { tc-getBUILD_PROG CPP cpp "$@"; }
120# @FUNCTION: tc-getBUILD_CXX 130# @FUNCTION: tc-getBUILD_CXX
121# @USAGE: [toolchain prefix] 131# @USAGE: [toolchain prefix]
122# @RETURN: name of the C++ compiler for building binaries to run on the build machine 132# @RETURN: name of the C++ compiler for building binaries to run on the build machine
123tc-getBUILD_CXX() { tc-getBUILD_PROG "BUILD_CXX CXX_FOR_BUILD HOSTCXX" g++ "$@"; } 133tc-getBUILD_CXX() { tc-getBUILD_PROG CXX g++ "$@"; }
134# @FUNCTION: tc-getBUILD_LD
135# @USAGE: [toolchain prefix]
136# @RETURN: name of the linker for building binaries to run on the build machine
137tc-getBUILD_LD() { tc-getBUILD_PROG LD ld "$@"; }
138# @FUNCTION: tc-getBUILD_STRIP
139# @USAGE: [toolchain prefix]
140# @RETURN: name of the strip program for building binaries to run on the build machine
141tc-getBUILD_STRIP() { tc-getBUILD_PROG STRIP strip "$@"; }
142# @FUNCTION: tc-getBUILD_NM
143# @USAGE: [toolchain prefix]
144# @RETURN: name of the symbol/object thingy for building binaries to run on the build machine
145tc-getBUILD_NM() { tc-getBUILD_PROG NM nm "$@"; }
146# @FUNCTION: tc-getBUILD_RANLIB
147# @USAGE: [toolchain prefix]
148# @RETURN: name of the archiver indexer for building binaries to run on the build machine
149tc-getBUILD_RANLIB() { tc-getBUILD_PROG RANLIB ranlib "$@"; }
150# @FUNCTION: tc-getBUILD_OBJCOPY
151# @USAGE: [toolchain prefix]
152# @RETURN: name of the object copier for building binaries to run on the build machine
153tc-getBUILD_OBJCOPY() { tc-getBUILD_PROG OBJCOPY objcopy "$@"; }
154# @FUNCTION: tc-getBUILD_PKG_CONFIG
155# @USAGE: [toolchain prefix]
156# @RETURN: name of the pkg-config tool for building binaries to run on the build machine
157tc-getBUILD_PKG_CONFIG() { tc-getBUILD_PROG PKG_CONFIG pkg-config "$@"; }
124 158
125# @FUNCTION: tc-export 159# @FUNCTION: tc-export
126# @USAGE: <list of toolchain variables> 160# @USAGE: <list of toolchain variables>
127# @DESCRIPTION: 161# @DESCRIPTION:
128# Quick way to export a bunch of compiler vars at once. 162# Quick way to export a bunch of compiler vars at once.
184tc-is-static-only() { 218tc-is-static-only() {
185 local host=${CTARGET:-${CHOST}} 219 local host=${CTARGET:-${CHOST}}
186 220
187 # *MiNT doesn't have shared libraries, only platform so far 221 # *MiNT doesn't have shared libraries, only platform so far
188 return $([[ ${host} == *-mint* ]]) 222 return $([[ ${host} == *-mint* ]])
223}
224
225# @FUNCTION: tc-env_build
226# @USAGE: <command> [command args]
227# @INTERNAL
228# @DESCRIPTION:
229# Setup the compile environment to the build tools and then execute the
230# specified command. We use tc-getBUILD_XX here so that we work with
231# all of the semi-[non-]standard env vars like $BUILD_CC which often
232# the target build system does not check.
233tc-env_build() {
234 CFLAGS=${BUILD_CFLAGS:--O1 -pipe} \
235 CXXFLAGS=${BUILD_CXXFLAGS:--O1 -pipe} \
236 CPPFLAGS=${BUILD_CPPFLAGS} \
237 LDFLAGS=${BUILD_LDFLAGS} \
238 AR=$(tc-getBUILD_AR) \
239 AS=$(tc-getBUILD_AS) \
240 CC=$(tc-getBUILD_CC) \
241 CPP=$(tc-getBUILD_CPP) \
242 CXX=$(tc-getBUILD_CXX) \
243 LD=$(tc-getBUILD_LD) \
244 NM=$(tc-getBUILD_NM) \
245 PKG_CONFIG=$(tc-getBUILD_PKG_CONFIG) \
246 RANLIB=$(tc-getBUILD_RANLIB) \
247 "$@"
248}
249
250# @FUNCTION: econf_build
251# @USAGE: [econf flags]
252# @DESCRIPTION:
253# Sometimes we need to locally build up some tools to run on CBUILD because
254# the package has helper utils which are compiled+executed when compiling.
255# This won't work when cross-compiling as the CHOST is set to a target which
256# we cannot natively execute.
257#
258# For example, the python package will build up a local python binary using
259# a portable build system (configure+make), but then use that binary to run
260# local python scripts to build up other components of the overall python.
261# We cannot rely on the python binary in $PATH as that often times will be
262# a different version, or not even installed in the first place. Instead,
263# we compile the code in a different directory to run on CBUILD, and then
264# use that binary when compiling the main package to run on CHOST.
265#
266# For example, with newer EAPIs, you'd do something like:
267# @CODE
268# src_configure() {
269# ECONF_SOURCE=${S}
270# if tc-is-cross-compiler ; then
271# mkdir "${WORKDIR}"/${CBUILD}
272# pushd "${WORKDIR}"/${CBUILD} >/dev/null
273# econf_build --disable-some-unused-stuff
274# popd >/dev/null
275# fi
276# ... normal build paths ...
277# }
278# src_compile() {
279# if tc-is-cross-compiler ; then
280# pushd "${WORKDIR}"/${CBUILD} >/dev/null
281# emake one-or-two-build-tools
282# ln/mv build-tools to normal build paths in ${S}/
283# popd >/dev/null
284# fi
285# ... normal build paths ...
286# }
287# @CODE
288econf_build() {
289 tc-env_build econf --build=${CBUILD:-${CHOST}} "$@"
189} 290}
190 291
191# @FUNCTION: tc-has-openmp 292# @FUNCTION: tc-has-openmp
192# @USAGE: [toolchain prefix] 293# @USAGE: [toolchain prefix]
193# @DESCRIPTION: 294# @DESCRIPTION:
658 ;; 759 ;;
659 esac 760 esac
660 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}" 761 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
661 done 762 done
662} 763}
764
765fi

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