/[gentoo-x86]/eclass/toolchain-funcs.eclass
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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 1.91 2009/05/24 07:25:48 grobian Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.104 2011/07/12 14:29:41 aballier 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
77# @RETURN: name of the object copier 77# @RETURN: name of the object copier
78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; } 78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
79# @FUNCTION: tc-getF77 79# @FUNCTION: tc-getF77
80# @USAGE: [toolchain prefix] 80# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 77 compiler 81# @RETURN: name of the Fortran 77 compiler
82tc-getF77() { tc-getPROG F77 f77 "$@"; } 82tc-getF77() { tc-getPROG F77 gfortran "$@"; }
83# @FUNCTION: tc-getFC 83# @FUNCTION: tc-getFC
84# @USAGE: [toolchain prefix] 84# @USAGE: [toolchain prefix]
85# @RETURN: name of the Fortran 90 compiler 85# @RETURN: name of the Fortran 90 compiler
86tc-getFC() { tc-getPROG FC gfortran "$@"; } 86tc-getFC() { tc-getPROG FC gfortran "$@"; }
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# @FUNCTION: tc-getPKG_CONFIG
92# @USAGE: [toolchain prefix]
93# @RETURN: name of the pkg-config tool
94tc-getPKG_CONFIG() { tc-getPROG PKG_CONFIG pkg-config "$@"; }
95# @FUNCTION: tc-getRC
96# @USAGE: [toolchain prefix]
97# @RETURN: name of the Windows resource compiler
98tc-getRC() { tc-getPROG RC windres "$@"; }
99# @FUNCTION: tc-getDLLWRAP
100# @USAGE: [toolchain prefix]
101# @RETURN: name of the Windows dllwrap utility
102tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; }
91 103
92# @FUNCTION: tc-getBUILD_CC 104# @FUNCTION: tc-getBUILD_CC
93# @USAGE: [toolchain prefix] 105# @USAGE: [toolchain prefix]
94# @RETURN: name of the C compiler for building binaries to run on the build machine 106# @RETURN: name of the C compiler for building binaries to run on the build machine
95tc-getBUILD_CC() { 107tc-getBUILD_CC() {
136# See if this toolchain is a softfloat based one. 148# See if this toolchain is a softfloat based one.
137# @CODE 149# @CODE
138# The possible return values: 150# The possible return values:
139# - only: the target is always softfloat (never had fpu) 151# - only: the target is always softfloat (never had fpu)
140# - yes: the target should support softfloat 152# - yes: the target should support softfloat
141# - no: the target should support hardfloat 153# - no: the target doesn't support softfloat
142# @CODE 154# @CODE
143# This allows us to react differently where packages accept 155# This allows us to react differently where packages accept
144# softfloat flags in the case where support is optional, but 156# softfloat flags in the case where support is optional, but
145# rejects softfloat flags where the target always lacks an fpu. 157# rejects softfloat flags where the target always lacks an fpu.
146tc-is-softfloat() { 158tc-is-softfloat() {
153 || echo "no" 165 || echo "no"
154 ;; 166 ;;
155 esac 167 esac
156} 168}
157 169
170# @FUNCTION: tc-is-hardfloat
171# @DESCRIPTION:
172# See if this toolchain is a hardfloat based one.
173# @CODE
174# The possible return values:
175# - yes: the target should support hardfloat
176# - no: the target doesn't support hardfloat
177tc-is-hardfloat() {
178 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
179 && echo "yes" \
180 || echo "no"
181}
182
158# @FUNCTION: tc-is-static-only 183# @FUNCTION: tc-is-static-only
159# @DESCRIPTION: 184# @DESCRIPTION:
160# Return shell true if the target does not support shared libs, shell false 185# Return shell true if the target does not support shared libs, shell false
161# otherwise. 186# otherwise.
162tc-is-static-only() { 187tc-is-static-only() {
163 local host=${CTARGET:-${CHOST}} 188 local host=${CTARGET:-${CHOST}}
164 189
165 # *MiNT doesn't have shared libraries, only platform so far 190 # *MiNT doesn't have shared libraries, only platform so far
166 return $([[ ${host} == *-mint* ]]) 191 return $([[ ${host} == *-mint* ]])
192}
193
194# @FUNCTION: tc-has-openmp
195# @USAGE: [toolchain prefix]
196# @DESCRIPTION:
197# See if the toolchain supports OpenMP.
198tc-has-openmp() {
199 local base="${T}/test-tc-openmp"
200 cat <<-EOF > "${base}.c"
201 #include <omp.h>
202 int main() {
203 int nthreads, tid, ret = 0;
204 #pragma omp parallel private(nthreads, tid)
205 {
206 tid = omp_get_thread_num();
207 nthreads = omp_get_num_threads(); ret += tid + nthreads;
208 }
209 return ret;
210 }
211 EOF
212 $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null
213 local ret=$?
214 rm -f "${base}"*
215 return ${ret}
216}
217
218# @FUNCTION: tc-has-tls
219# @USAGE: [-s|-c|-l] [toolchain prefix]
220# @DESCRIPTION:
221# See if the toolchain supports thread local storage (TLS). Use -s to test the
222# compiler, -c to also test the assembler, and -l to also test the C library
223# (the default).
224tc-has-tls() {
225 local base="${T}/test-tc-tls"
226 cat <<-EOF > "${base}.c"
227 int foo(int *i) {
228 static __thread int j = 0;
229 return *i ? j : *i;
230 }
231 EOF
232 local flags
233 case $1 in
234 -s) flags="-S";;
235 -c) flags="-c";;
236 -l) ;;
237 -*) die "Usage: tc-has-tls [-c|-l] [toolchain prefix]";;
238 esac
239 : ${flags:=-fPIC -shared -Wl,-z,defs}
240 [[ $1 == -* ]] && shift
241 $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null
242 local ret=$?
243 rm -f "${base}"*
244 return ${ret}
167} 245}
168 246
169 247
170# Parse information from CBUILD/CHOST/CTARGET rather than 248# Parse information from CBUILD/CHOST/CTARGET rather than
171# use external variables from the profile. 249# use external variables from the profile.
197 m68*) echo m68k;; 275 m68*) echo m68k;;
198 mips*) echo mips;; 276 mips*) echo mips;;
199 nios2*) echo nios2;; 277 nios2*) echo nios2;;
200 nios*) echo nios;; 278 nios*) echo nios;;
201 powerpc*) 279 powerpc*)
202 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees 280 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
203 # have been unified into simply 'powerpc', but until 2.6.16, 281 # have been unified into simply 'powerpc', but until 2.6.16,
204 # ppc32 is still using ARCH="ppc" as default 282 # ppc32 is still using ARCH="ppc" as default
205 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then 283 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] ; then
206 echo powerpc 284 echo powerpc
207 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then 285 elif [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] ; then
208 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 286 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
209 echo powerpc 287 echo powerpc
210 else 288 else
211 echo ppc 289 echo ppc
212 fi 290 fi
213 elif [[ ${host} == powerpc64* ]] ; then 291 elif [[ ${host} == powerpc64* ]] ; then
214 echo ppc64 292 echo ppc64
215 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 293 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
216 ninj ppc64 ppc 294 ninj ppc64 ppc
217 else 295 else
218 echo ppc 296 echo ppc
219 fi 297 fi
220 ;; 298 ;;
221 s390*) echo s390;; 299 s390*) echo s390;;
222 sh64*) ninj sh64 sh;; 300 sh64*) ninj sh64 sh;;
223 sh*) echo sh;; 301 sh*) echo sh;;
224 sparc64*) ninj sparc64 sparc;; 302 sparc64*) ninj sparc64 sparc;;
225 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 303 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
226 && ninj sparc64 sparc \ 304 && ninj sparc64 sparc \
227 || echo sparc 305 || echo sparc
228 ;; 306 ;;
229 vax*) echo vax;; 307 vax*) echo vax;;
308 x86_64*freebsd*) echo amd64;;
230 x86_64*) 309 x86_64*)
231 # Starting with linux-2.6.24, the 'x86_64' and 'i386' 310 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
232 # trees have been unified into 'x86'. 311 # trees have been unified into 'x86'.
233 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then 312 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
234 echo x86 313 echo x86
280 x86_64*) echo little;; 359 x86_64*) echo little;;
281 *) echo wtf;; 360 *) echo wtf;;
282 esac 361 esac
283} 362}
284 363
364# Internal func. The first argument is the version info to expand.
365# Query the preprocessor to improve compatibility across different
366# compilers rather than maintaining a --version flag matrix. #335943
367_gcc_fullversion() {
368 local ver="$1"; shift
369 set -- `$(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__"`
370 eval echo "$ver"
371}
372
285# @FUNCTION: gcc-fullversion 373# @FUNCTION: gcc-fullversion
286# @RETURN: compiler version (major.minor.micro: [3.4.6]) 374# @RETURN: compiler version (major.minor.micro: [3.4.6])
287gcc-fullversion() { 375gcc-fullversion() {
288 $(tc-getCC "$@") -dumpversion 376 _gcc_fullversion '$1.$2.$3' "$@"
289} 377}
290# @FUNCTION: gcc-version 378# @FUNCTION: gcc-version
291# @RETURN: compiler version (major.minor: [3.4].6) 379# @RETURN: compiler version (major.minor: [3.4].6)
292gcc-version() { 380gcc-version() {
293 gcc-fullversion "$@" | cut -f1,2 -d. 381 _gcc_fullversion '$1.$2' "$@"
294} 382}
295# @FUNCTION: gcc-major-version 383# @FUNCTION: gcc-major-version
296# @RETURN: major compiler version (major: [3].4.6) 384# @RETURN: major compiler version (major: [3].4.6)
297gcc-major-version() { 385gcc-major-version() {
298 gcc-version "$@" | cut -f1 -d. 386 _gcc_fullversion '$1' "$@"
299} 387}
300# @FUNCTION: gcc-minor-version 388# @FUNCTION: gcc-minor-version
301# @RETURN: minor compiler version (minor: 3.[4].6) 389# @RETURN: minor compiler version (minor: 3.[4].6)
302gcc-minor-version() { 390gcc-minor-version() {
303 gcc-version "$@" | cut -f2 -d. 391 _gcc_fullversion '$2' "$@"
304} 392}
305# @FUNCTION: gcc-micro-version 393# @FUNCTION: gcc-micro-version
306# @RETURN: micro compiler version (micro: 3.4.[6]) 394# @RETURN: micro compiler version (micro: 3.4.[6])
307gcc-micro-version() { 395gcc-micro-version() {
308 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d- 396 _gcc_fullversion '$3' "$@"
309} 397}
310 398
311# Returns the installation directory - internal toolchain 399# Returns the installation directory - internal toolchain
312# function for use by _gcc-specs-exists (for flag-o-matic). 400# function for use by _gcc-specs-exists (for flag-o-matic).
313_gcc-install-dir() { 401_gcc-install-dir() {
455 [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}" 543 [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}"
456 tlib=${tlib##*/} 544 tlib=${tlib##*/}
457 545
458 if ${auto} ; then 546 if ${auto} ; then
459 mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die 547 mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
548 # some install_names are funky: they encode a version
549 if [[ ${tlib} != ${lib%${suffix}}.*${suffix#.} ]] ; then
550 mv "${ED}"/usr/${libdir}/${tlib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
551 fi
460 rm -f "${ED}"/${libdir}/${lib} 552 rm -f "${ED}"/${libdir}/${lib}
461 fi 553 fi
462 554
463 # Mach-O files have an id, which is like a soname, it tells how 555 # Mach-O files have an id, which is like a soname, it tells how
464 # another object linking against this lib should reference it. 556 # another object linking against this lib should reference it.
465 # Since we moved the lib from usr/lib into lib this reference is 557 # Since we moved the lib from usr/lib into lib this reference is
466 # wrong. Hence, we update it here. We don't configure with 558 # wrong. Hence, we update it here. We don't configure with
467 # libdir=/lib because that messes up libtool files. 559 # libdir=/lib because that messes up libtool files.
468 # Make sure we don't lose the specific version, so just modify the 560 # Make sure we don't lose the specific version, so just modify the
469 # existing install_name 561 # existing install_name
562 if [[ ! -w "${ED}/${libdir}/${tlib}" ]] ; then
563 chmod u+w "${ED}${libdir}/${tlib}" # needed to write to it
564 local nowrite=yes
565 fi
470 install_name_tool \ 566 install_name_tool \
471 -id "${EPREFIX}"/${libdir}/${tlib} \ 567 -id "${EPREFIX}"/${libdir}/${tlib} \
472 "${ED}"/${libdir}/${tlib} 568 "${ED}"/${libdir}/${tlib} || die "install_name_tool failed"
569 [[ -n ${nowrite} ]] && chmod u-w "${ED}${libdir}/${tlib}"
473 # Now as we don't use GNU binutils and our linker doesn't 570 # Now as we don't use GNU binutils and our linker doesn't
474 # understand linker scripts, just create a symlink. 571 # understand linker scripts, just create a symlink.
475 pushd "${ED}/usr/${libdir}" > /dev/null 572 pushd "${ED}/usr/${libdir}" > /dev/null
476 ln -snf "../../${libdir}/${tlib}" "${lib}" 573 ln -snf "../../${libdir}/${tlib}" "${lib}"
477 popd > /dev/null 574 popd > /dev/null
478 ;; 575 ;;
479 *-aix*|*-irix*|*-hpux*|*-interix*|*-winnt*) 576 *-aix*|*-irix*|*64*-hpux*|*-interix*|*-winnt*)
480 if ${auto} ; then 577 if ${auto} ; then
481 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die 578 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
482 # no way to retrieve soname on these platforms (?) 579 # no way to retrieve soname on these platforms (?)
483 tlib=$(readlink "${ED}"/${libdir}/${lib}) 580 tlib=$(readlink "${ED}"/${libdir}/${lib})
484 tlib=${tlib##*/} 581 tlib=${tlib##*/}
508 # command line by itself). 605 # command line by itself).
509 pushd "${ED}/usr/${libdir}" > /dev/null 606 pushd "${ED}/usr/${libdir}" > /dev/null
510 ln -snf "../../${libdir}/${tlib}" "${lib}" 607 ln -snf "../../${libdir}/${tlib}" "${lib}"
511 popd > /dev/null 608 popd > /dev/null
512 ;; 609 ;;
610 hppa*-hpux*) # PA-RISC 32bit (SOM) only, others (ELF) match *64*-hpux* above.
611 if ${auto} ; then
612 tlib=$(chatr "${ED}"/usr/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
613 [[ -z ${tlib} ]] && tlib=${lib}
614 tlib=${tlib##*/} # 'internal name' can have a path component
615 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
616 # some SONAMEs are funky: they encode a version before the .so
617 if [[ ${tlib} != ${lib}* ]] ; then
618 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
619 fi
620 [[ ${tlib} != ${lib} ]] &&
621 rm -f "${ED}"/${libdir}/${lib}
622 else
623 tlib=$(chatr "${ED}"/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
624 [[ -z ${tlib} ]] && tlib=${lib}
625 tlib=${tlib##*/} # 'internal name' can have a path component
626 fi
627 pushd "${ED}"/usr/${libdir} >/dev/null
628 ln -snf "../../${libdir}/${tlib}" "${lib}"
629 # need the internal name in usr/lib too, to be available at runtime
630 # when linked with /path/to/lib.sl (hardcode_direct_absolute=yes)
631 [[ ${tlib} != ${lib} ]] &&
632 ln -snf "../../${libdir}/${tlib}" "${tlib}"
633 popd >/dev/null
634 ;;
513 *) 635 *)
514 if ${auto} ; then 636 if ${auto} ; then
515 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib}) 637 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
516 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}" 638 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
517 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die 639 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die

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