/[gentoo-x86]/eclass/toolchain-funcs.eclass
Gentoo

Diff of /eclass/toolchain-funcs.eclass

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

Revision 1.74 Revision 1.88
1# Copyright 1999-2007 Gentoo Foundation 1# Copyright 1999-2007 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 1.74 2007/08/17 10:14:13 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.88 2009/03/28 11:09:27 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
70tc-getNM() { tc-getPROG NM nm "$@"; } 70tc-getNM() { tc-getPROG NM nm "$@"; }
71# @FUNCTION: tc-getRANLIB 71# @FUNCTION: tc-getRANLIB
72# @USAGE: [toolchain prefix] 72# @USAGE: [toolchain prefix]
73# @RETURN: name of the archiver indexer 73# @RETURN: name of the archiver indexer
74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; } 74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
75# @FUNCTION: tc-getOBJCOPY
76# @USAGE: [toolchain prefix]
77# @RETURN: name of the object copier
78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
75# @FUNCTION: tc-getF77 79# @FUNCTION: tc-getF77
76# @USAGE: [toolchain prefix] 80# @USAGE: [toolchain prefix]
77# @RETURN: name of the Fortran 77 compiler 81# @RETURN: name of the Fortran 77 compiler
78tc-getF77() { tc-getPROG F77 f77 "$@"; } 82tc-getF77() { tc-getPROG F77 f77 "$@"; }
79# @FUNCTION: tc-getF90 83# @FUNCTION: tc-getFC
80# @USAGE: [toolchain prefix] 84# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 90 compiler 85# @RETURN: name of the Fortran 90 compiler
82tc-getF90() { tc-getPROG F90 gfortran "$@"; } 86tc-getFC() { tc-getPROG FC gfortran "$@"; }
83# @FUNCTION: tc-getFORTRAN
84# @USAGE: [toolchain prefix]
85# @RETURN: name of the Fortran compiler
86tc-getFORTRAN() { tc-getPROG FORTRAN gfortran "$@"; }
87# @FUNCTION: tc-getGCJ 87# @FUNCTION: tc-getGCJ
88# @USAGE: [toolchain prefix] 88# @USAGE: [toolchain prefix]
89# @RETURN: name of the java compiler 89# @RETURN: name of the java compiler
90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
91 91
118# @DESCRIPTION: 118# @DESCRIPTION:
119# Quick way to export a bunch of compiler vars at once. 119# Quick way to export a bunch of compiler vars at once.
120tc-export() { 120tc-export() {
121 local var 121 local var
122 for var in "$@" ; do 122 for var in "$@" ; do
123 [[ $(type -t tc-get${var}) != "function" ]] && die "tc-export: invalid export variable '${var}'"
123 eval tc-get${var} > /dev/null 124 eval tc-get${var} > /dev/null
124 done 125 done
125} 126}
126 127
127# @FUNCTION: tc-is-cross-compiler 128# @FUNCTION: tc-is-cross-compiler
168 arm*) echo arm;; 169 arm*) echo arm;;
169 avr*) ninj avr32 avr;; 170 avr*) ninj avr32 avr;;
170 bfin*) ninj blackfin bfin;; 171 bfin*) ninj blackfin bfin;;
171 cris*) echo cris;; 172 cris*) echo cris;;
172 hppa*) ninj parisc hppa;; 173 hppa*) ninj parisc hppa;;
173 i?86*) ninj i386 x86;; 174 i?86*)
175 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
176 # trees have been unified into 'x86'.
177 # FreeBSD still uses i386
178 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -lt $(KV_to_int 2.6.24) || ${host} == *freebsd* ]] ; then
179 echo i386
180 else
181 echo x86
182 fi
183 ;;
174 ia64*) echo ia64;; 184 ia64*) echo ia64;;
175 m68*) echo m68k;; 185 m68*) echo m68k;;
176 mips*) echo mips;; 186 mips*) echo mips;;
177 nios2*) echo nios2;; 187 nios2*) echo nios2;;
178 nios*) echo nios;; 188 nios*) echo nios;;
203 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 213 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
204 && ninj sparc64 sparc \ 214 && ninj sparc64 sparc \
205 || echo sparc 215 || echo sparc
206 ;; 216 ;;
207 vax*) echo vax;; 217 vax*) echo vax;;
208 x86_64*) ninj x86_64 amd64;; 218 x86_64*)
219 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
220 # trees have been unified into 'x86'.
221 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
222 echo x86
223 else
224 ninj x86_64 amd64
225 fi
226 ;;
209 227
210 # since our usage of tc-arch is largely concerned with 228 # since our usage of tc-arch is largely concerned with
211 # normalizing inputs for testing ${CTARGET}, let's filter 229 # normalizing inputs for testing ${CTARGET}, let's filter
212 # other cross targets (mingw and such) into the unknown. 230 # other cross targets (mingw and such) into the unknown.
213 *) echo unknown;; 231 *) echo unknown;;
279} 297}
280 298
281# Returns the installation directory - internal toolchain 299# Returns the installation directory - internal toolchain
282# function for use by _gcc-specs-exists (for flag-o-matic). 300# function for use by _gcc-specs-exists (for flag-o-matic).
283_gcc-install-dir() { 301_gcc-install-dir() {
284 echo "$($(tc-getCC) -print-search-dirs 2> /dev/null |\ 302 echo "$(LC_ALL=C $(tc-getCC) -print-search-dirs 2> /dev/null |\
285 awk '$1=="install:" {print $2}')" 303 awk '$1=="install:" {print $2}')"
286} 304}
287# Returns true if the indicated specs file exists - internal toolchain 305# Returns true if the indicated specs file exists - internal toolchain
288# function for use by flag-o-matic. 306# function for use by flag-o-matic.
289_gcc-specs-exists() { 307_gcc-specs-exists() {
333 351
334# Returns true if gcc sets relro 352# Returns true if gcc sets relro
335gcc-specs-relro() { 353gcc-specs-relro() {
336 local directive 354 local directive
337 directive=$(gcc-specs-directive link_command) 355 directive=$(gcc-specs-directive link_command)
338 return $([[ ${directive/\{!norelro:} != ${directive} ]]) 356 return $([[ "${directive/\{!norelro:}" != "${directive}" ]])
339} 357}
340# Returns true if gcc sets now 358# Returns true if gcc sets now
341gcc-specs-now() { 359gcc-specs-now() {
342 local directive 360 local directive
343 directive=$(gcc-specs-directive link_command) 361 directive=$(gcc-specs-directive link_command)
344 return $([[ ${directive/\{!nonow:} != ${directive} ]]) 362 return $([[ "${directive/\{!nonow:}" != "${directive}" ]])
345} 363}
346# Returns true if gcc builds PIEs 364# Returns true if gcc builds PIEs
347gcc-specs-pie() { 365gcc-specs-pie() {
348 local directive 366 local directive
349 directive=$(gcc-specs-directive cc1) 367 directive=$(gcc-specs-directive cc1)
350 return $([[ ${directive/\{!nopie:} != ${directive} ]]) 368 return $([[ "${directive/\{!nopie:}" != "${directive}" ]])
351} 369}
352# Returns true if gcc builds with the stack protector 370# Returns true if gcc builds with the stack protector
353gcc-specs-ssp() { 371gcc-specs-ssp() {
354 local directive 372 local directive
355 directive=$(gcc-specs-directive cc1) 373 directive=$(gcc-specs-directive cc1)
356 return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) 374 return $([[ "${directive/\{!fno-stack-protector:}" != "${directive}" ]])
357} 375}
358# Returns true if gcc upgrades fstack-protector to fstack-protector-all 376# Returns true if gcc upgrades fstack-protector to fstack-protector-all
359gcc-specs-ssp-to-all() { 377gcc-specs-ssp-to-all() {
360 local directive 378 local directive
361 directive=$(gcc-specs-directive cc1) 379 directive=$(gcc-specs-directive cc1)
362 return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) 380 return $([[ "${directive/\{!fno-stack-protector-all:}" != "${directive}" ]])
381}
382# Returns true if gcc builds with fno-strict-overflow
383gcc-specs-nostrict() {
384 local directive
385 directive=$(gcc-specs-directive cc1)
386 return $([[ "${directive/\{!fstrict-overflow:}" != "${directive}" ]])
363} 387}
364 388
365 389
366# @FUNCTION: gen_usr_ldscript 390# @FUNCTION: gen_usr_ldscript
367# @USAGE: <list of libs to create linker scripts for> 391# @USAGE: [-a] <list of libs to create linker scripts for>
368# @DESCRIPTION: 392# @DESCRIPTION:
369# This function generate linker scripts in /usr/lib for dynamic 393# This function generate linker scripts in /usr/lib for dynamic
370# libs in /lib. This is to fix linking problems when you have 394# libs in /lib. This is to fix linking problems when you have
371# the .so in /lib, and the .a in /usr/lib. What happens is that 395# the .so in /lib, and the .a in /usr/lib. What happens is that
372# in some cases when linking dynamic, the .a in /usr/lib is used 396# in some cases when linking dynamic, the .a in /usr/lib is used
376# 400#
377# Note that you should in general use the unversioned name of 401# Note that you should in general use the unversioned name of
378# the library (libfoo.so), as ldconfig should usually update it 402# the library (libfoo.so), as ldconfig should usually update it
379# correctly to point to the latest version of the library present. 403# correctly to point to the latest version of the library present.
380gen_usr_ldscript() { 404gen_usr_ldscript() {
381 local lib libdir=$(get_libdir) output_format="" 405 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
382 # Just make sure it exists 406 # Just make sure it exists
383 dodir /usr/${libdir} 407 dodir /usr/${libdir}
408
409 if [[ $1 == "-a" ]] ; then
410 auto=true
411 shift
412 dodir /${libdir}
413 fi
384 414
385 # OUTPUT_FORMAT gives hints to the linker as to what binary format 415 # OUTPUT_FORMAT gives hints to the linker as to what binary format
386 # is referenced ... makes multilib saner 416 # is referenced ... makes multilib saner
387 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p') 417 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
388 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )" 418 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
391 if [[ ${USERLAND} == "Darwin" ]] ; then 421 if [[ ${USERLAND} == "Darwin" ]] ; then
392 ewarn "Not creating fake dynamic library for $lib on Darwin;" 422 ewarn "Not creating fake dynamic library for $lib on Darwin;"
393 ewarn "making a symlink instead." 423 ewarn "making a symlink instead."
394 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}" 424 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
395 else 425 else
426 local tlib
427 if ${auto} ; then
428 lib="lib${lib}${suffix}"
429 tlib=$(scanelf -qF'%S#F' "${D}"/usr/${libdir}/${lib})
430 mv "${D}"/usr/${libdir}/${lib}* "${D}"/${libdir}/ || die
431 # some SONAMEs are funky: they encode a version before the .so
432 if [[ ${tlib} != ${lib}* ]] ; then
433 mv "${D}"/usr/${libdir}/${tlib}* "${D}"/${libdir}/ || die
434 fi
435 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
436 rm -f "${D}"/${libdir}/${lib}
437 else
438 tlib=${lib}
439 fi
396 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT 440 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
397 /* GNU ld script 441 /* GNU ld script
398 Since Gentoo has critical dynamic libraries 442 Since Gentoo has critical dynamic libraries in /lib, and the static versions
399 in /lib, and the static versions in /usr/lib, 443 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
400 we need to have a "fake" dynamic lib in /usr/lib, 444 run into linking problems. This "fake" dynamic lib is a linker script that
401 otherwise we run into linking problems. 445 redirects the linker to the real lib. And yes, this works in the cross-
446 compiling scenario as the sysroot-ed linker will prepend the real path.
402 447
403 See bug http://bugs.gentoo.org/4411 for more info. 448 See bug http://bugs.gentoo.org/4411 for more info.
404 */ 449 */
405 ${output_format} 450 ${output_format}
406 GROUP ( /${libdir}/${lib} ) 451 GROUP ( /${libdir}/${tlib} )
407 END_LDSCRIPT 452 END_LDSCRIPT
453 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
408 fi 454 fi
409 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
410 done 455 done
411} 456}

Legend:
Removed from v.1.74  
changed lines
  Added in v.1.88

  ViewVC Help
Powered by ViewVC 1.1.20