/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2005 Gentoo Foundation 1# Copyright 1999-2006 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 1.48 2005/11/03 10:10:48 eradicator Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.64 2007/01/07 11:39:08 vapier Exp $
4# 4#
5# Author: Toolchain Ninjas <toolchain@gentoo.org> 5# Author: Toolchain Ninjas <toolchain@gentoo.org>
6# 6#
7# This eclass contains (or should) functions to get common info 7# This eclass contains (or should) functions to get common info
8# about the toolchain (libc/compiler/binutils/etc...) 8# about the toolchain (libc/compiler/binutils/etc...)
33tc-getAR() { tc-getPROG AR ar "$@"; } 33tc-getAR() { tc-getPROG AR ar "$@"; }
34# Returns the name of the assembler 34# Returns the name of the assembler
35tc-getAS() { tc-getPROG AS as "$@"; } 35tc-getAS() { tc-getPROG AS as "$@"; }
36# Returns the name of the C compiler 36# Returns the name of the C compiler
37tc-getCC() { tc-getPROG CC gcc "$@"; } 37tc-getCC() { tc-getPROG CC gcc "$@"; }
38# Returns the name of the C preprocessor
39tc-getCPP() { tc-getPROG CPP cpp "$@"; }
38# Returns the name of the C++ compiler 40# Returns the name of the C++ compiler
39tc-getCXX() { tc-getPROG CXX g++ "$@"; } 41tc-getCXX() { tc-getPROG CXX g++ "$@"; }
40# Returns the name of the linker 42# Returns the name of the linker
41tc-getLD() { tc-getPROG LD ld "$@"; } 43tc-getLD() { tc-getPROG LD ld "$@"; }
44# Returns the name of the strip prog
45tc-getSTRIP() { tc-getPROG STRIP strip "$@"; }
42# Returns the name of the symbol/object thingy 46# Returns the name of the symbol/object thingy
43tc-getNM() { tc-getPROG NM nm "$@"; } 47tc-getNM() { tc-getPROG NM nm "$@"; }
44# Returns the name of the archiver indexer 48# Returns the name of the archiver indexer
45tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; } 49tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
50# Returns the name of the fortran 77 compiler
51tc-getF77() { tc-getPROG F77 f77 "$@"; }
52# Returns the name of the fortran 90 compiler
53tc-getF90() { tc-getPROG F90 gfortran "$@"; }
46# Returns the name of the fortran compiler 54# Returns the name of the fortran compiler
47tc-getF77() { tc-getPROG F77 f77 "$@"; } 55tc-getFORTRAN() { tc-getPROG FORTRAN gfortran "$@"; }
48# Returns the name of the java compiler 56# Returns the name of the java compiler
49tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 57tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
50 58
51# Returns the name of the C compiler for build 59# Returns the name of the C compiler for build
52tc-getBUILD_CC() { 60tc-getBUILD_CC() {
94 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}} 102 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
95 103
96 case ${host} in 104 case ${host} in
97 alpha*) echo alpha;; 105 alpha*) echo alpha;;
98 arm*) echo arm;; 106 arm*) echo arm;;
107 bfin*) ninj blackfin bfin;;
99 cris*) echo cris;; 108 cris*) echo cris;;
100 hppa*) ninj parisc hppa;; 109 hppa*) ninj parisc hppa;;
101 i?86*) ninj i386 x86;; 110 i?86*) ninj i386 x86;;
102 ia64*) echo ia64;; 111 ia64*) echo ia64;;
103 m68*) echo m68k;; 112 m68*) echo m68k;;
104 mips*) echo mips;; 113 mips*) echo mips;;
105 powerpc64*) echo ppc64;; 114 nios2*) echo nios2;;
115 nios*) echo nios;;
116 powerpc*)
117 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
118 # have been unified into simply 'powerpc', but until 2.6.16,
119 # ppc32 is still using ARCH="ppc" as default
120 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then
121 echo powerpc
122 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then
123 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
124 echo powerpc
125 else
126 echo ppc
127 fi
128 elif [[ ${host} == powerpc64* ]] ; then
129 echo ppc64
106 powerpc*) [[ ${PROFILE_ARCH} == "ppc64" ]] \ 130 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
107 && ninj ppc64 ppc \ 131 ninj ppc64 ppc
132 else
108 || echo ppc 133 echo ppc
134 fi
109 ;; 135 ;;
110 s390*) echo s390;; 136 s390*) echo s390;;
111 sh64*) ninj sh64 sh;; 137 sh64*) ninj sh64 sh;;
112 sh*) echo sh;; 138 sh*) echo sh;;
113 sparc64*) ninj sparc64 sparc;; 139 sparc64*) ninj sparc64 sparc;;
124 tc-ninja_magic_to_arch kern $@ 150 tc-ninja_magic_to_arch kern $@
125} 151}
126tc-arch() { 152tc-arch() {
127 tc-ninja_magic_to_arch portage $@ 153 tc-ninja_magic_to_arch portage $@
128} 154}
129tc-endian() {
130 local host=$1
131 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
132 host=${host%%-*}
133
134 case ${host} in
135 alpha*) echo big;;
136 arm*b*) echo big;;
137 arm*) echo little;;
138 cris*) echo little;;
139 hppa*) echo big;;
140 i?86*) echo little;;
141 ia64*) echo little;;
142 m68*) echo big;;
143 mips*l*) echo little;;
144 mips*) echo big;;
145 powerpc*) echo big;;
146 s390*) echo big;;
147 sh*b*) echo big;;
148 sh*) echo little;;
149 sparc*) echo big;;
150 x86_64*) echo little;;
151 *) echo wtf;;
152 esac
153}
154 155
155# Returns the version as by `$CC -dumpversion` 156# Returns the version as by `$CC -dumpversion`
156gcc-fullversion() { 157gcc-fullversion() {
157 echo "$($(tc-getCC) -dumpversion)" 158 $(tc-getCC "$@") -dumpversion
158} 159}
159# Returns the version, but only the <major>.<minor> 160# Returns the version, but only the <major>.<minor>
160gcc-version() { 161gcc-version() {
161 echo "$(gcc-fullversion | cut -f1,2 -d.)" 162 gcc-fullversion "$@" | cut -f1,2 -d.
162} 163}
163# Returns the Major version 164# Returns the Major version
164gcc-major-version() { 165gcc-major-version() {
165 echo "$(gcc-version | cut -f1 -d.)" 166 gcc-version "$@" | cut -f1 -d.
166} 167}
167# Returns the Minor version 168# Returns the Minor version
168gcc-minor-version() { 169gcc-minor-version() {
169 echo "$(gcc-version | cut -f2 -d.)" 170 gcc-version "$@" | cut -f2 -d.
170} 171}
171# Returns the Micro version 172# Returns the Micro version
172gcc-micro-version() { 173gcc-micro-version() {
173 echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" 174 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d-
174} 175}
175 176
176# Returns requested gcc specs directive 177# Returns requested gcc specs directive
177# Note; later specs normally overwrite earlier ones; however if a later 178# Note; later specs normally overwrite earlier ones; however if a later
178# spec starts with '+' then it appends. 179# spec starts with '+' then it appends.
179# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v" 180# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v"
180# as "Reading <file>", in order. 181# as "Reading <file>", in order.
181gcc-specs-directive() { 182gcc-specs-directive() {
183 local cc=$(tc-getCC)
182 local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}') 184 local specfiles=$(LC_ALL=C ${cc} -v 2>&1 | awk '$1=="Reading" {print $NF}')
183 $(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \ 185 ${cc} -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \
184'BEGIN { pspec=""; spec=""; outside=1 } 186'BEGIN { pspec=""; spec=""; outside=1 }
185$1=="*"directive":" { pspec=spec; spec=""; outside=0; next } 187$1=="*"directive":" { pspec=spec; spec=""; outside=0; next }
186 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } 188 outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next }
187 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next } 189 spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next }
188 { spec=spec $0 } 190 { spec=spec $0 }
218gcc-specs-ssp-to-all() { 220gcc-specs-ssp-to-all() {
219 local directive 221 local directive
220 directive=$(gcc-specs-directive cc1) 222 directive=$(gcc-specs-directive cc1)
221 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) 223 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]])
222} 224}
225
226
227# This function generate linker scripts in /usr/lib for dynamic
228# libs in /lib. This is to fix linking problems when you have
229# the .so in /lib, and the .a in /usr/lib. What happens is that
230# in some cases when linking dynamic, the .a in /usr/lib is used
231# instead of the .so in /lib due to gcc/libtool tweaking ld's
232# library search path. This cause many builds to fail.
233# See bug #4411 for more info.
234#
235# To use, simply call:
236#
237# gen_usr_ldscript libfoo.so
238#
239# Note that you should in general use the unversioned name of
240# the library, as ldconfig should usually update it correctly
241# to point to the latest version of the library present.
242_tc_gen_usr_ldscript() {
243 local lib libdir=$(get_libdir) output_format=""
244 # Just make sure it exists
245 dodir /usr/${libdir}
246
247 # OUTPUT_FORMAT gives hints to the linker as to what binary format
248 # is referenced ... makes multilib saner
249 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
250 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
251
252 for lib in "$@" ; do
253 if [[ ${USERLAND} == "Darwin" ]] ; then
254 ewarn "Not creating fake dynamic library for $lib on Darwin;"
255 ewarn "making a symlink instead."
256 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
257 else
258 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
259 /* GNU ld script
260 Since Gentoo has critical dynamic libraries
261 in /lib, and the static versions in /usr/lib,
262 we need to have a "fake" dynamic lib in /usr/lib,
263 otherwise we run into linking problems.
264
265 See bug http://bugs.gentoo.org/4411 for more info.
266 */
267 ${output_format}
268 GROUP ( /${libdir}/${lib} )
269 END_LDSCRIPT
270 fi
271 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
272 done
273}
274gen_usr_ldscript() { _tc_gen_usr_ldscript "$@" ; }

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