/[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 1.98 2010/03/15 23:51:14 vapier 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
148# See if this toolchain is a softfloat based one. 148# See if this toolchain is a softfloat based one.
149# @CODE 149# @CODE
150# The possible return values: 150# The possible return values:
151# - only: the target is always softfloat (never had fpu) 151# - only: the target is always softfloat (never had fpu)
152# - yes: the target should support softfloat 152# - yes: the target should support softfloat
153# - no: the target should support hardfloat 153# - no: the target doesn't support softfloat
154# @CODE 154# @CODE
155# This allows us to react differently where packages accept 155# This allows us to react differently where packages accept
156# softfloat flags in the case where support is optional, but 156# softfloat flags in the case where support is optional, but
157# rejects softfloat flags where the target always lacks an fpu. 157# rejects softfloat flags where the target always lacks an fpu.
158tc-is-softfloat() { 158tc-is-softfloat() {
165 || echo "no" 165 || echo "no"
166 ;; 166 ;;
167 esac 167 esac
168} 168}
169 169
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 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
179 && echo "yes" \
180 || echo "no"
181}
182
170# @FUNCTION: tc-is-static-only 183# @FUNCTION: tc-is-static-only
171# @DESCRIPTION: 184# @DESCRIPTION:
172# Return shell true if the target does not support shared libs, shell false 185# Return shell true if the target does not support shared libs, shell false
173# otherwise. 186# otherwise.
174tc-is-static-only() { 187tc-is-static-only() {
175 local host=${CTARGET:-${CHOST}} 188 local host=${CTARGET:-${CHOST}}
176 189
177 # *MiNT doesn't have shared libraries, only platform so far 190 # *MiNT doesn't have shared libraries, only platform so far
178 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}
179} 216}
180 217
181# @FUNCTION: tc-has-tls 218# @FUNCTION: tc-has-tls
182# @USAGE: [-s|-c|-l] [toolchain prefix] 219# @USAGE: [-s|-c|-l] [toolchain prefix]
183# @DESCRIPTION: 220# @DESCRIPTION:
238 m68*) echo m68k;; 275 m68*) echo m68k;;
239 mips*) echo mips;; 276 mips*) echo mips;;
240 nios2*) echo nios2;; 277 nios2*) echo nios2;;
241 nios*) echo nios;; 278 nios*) echo nios;;
242 powerpc*) 279 powerpc*)
243 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees 280 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
244 # have been unified into simply 'powerpc', but until 2.6.16, 281 # have been unified into simply 'powerpc', but until 2.6.16,
245 # ppc32 is still using ARCH="ppc" as default 282 # ppc32 is still using ARCH="ppc" as default
246 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
247 echo powerpc 284 echo powerpc
248 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
249 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 286 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
250 echo powerpc 287 echo powerpc
251 else 288 else
252 echo ppc 289 echo ppc
253 fi 290 fi
254 elif [[ ${host} == powerpc64* ]] ; then 291 elif [[ ${host} == powerpc64* ]] ; then
255 echo ppc64 292 echo ppc64
256 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 293 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
257 ninj ppc64 ppc 294 ninj ppc64 ppc
258 else 295 else
259 echo ppc 296 echo ppc
260 fi 297 fi
261 ;; 298 ;;
262 s390*) echo s390;; 299 s390*) echo s390;;
263 sh64*) ninj sh64 sh;; 300 sh64*) ninj sh64 sh;;
264 sh*) echo sh;; 301 sh*) echo sh;;
265 sparc64*) ninj sparc64 sparc;; 302 sparc64*) ninj sparc64 sparc;;
266 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 303 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
267 && ninj sparc64 sparc \ 304 && ninj sparc64 sparc \
268 || echo sparc 305 || echo sparc
269 ;; 306 ;;
270 vax*) echo vax;; 307 vax*) echo vax;;
308 x86_64*freebsd*) echo amd64;;
271 x86_64*) 309 x86_64*)
272 # Starting with linux-2.6.24, the 'x86_64' and 'i386' 310 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
273 # trees have been unified into 'x86'. 311 # trees have been unified into 'x86'.
274 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
275 echo x86 313 echo x86
321 x86_64*) echo little;; 359 x86_64*) echo little;;
322 *) echo wtf;; 360 *) echo wtf;;
323 esac 361 esac
324} 362}
325 363
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
326# @FUNCTION: gcc-fullversion 373# @FUNCTION: gcc-fullversion
327# @RETURN: compiler version (major.minor.micro: [3.4.6]) 374# @RETURN: compiler version (major.minor.micro: [3.4.6])
328gcc-fullversion() { 375gcc-fullversion() {
329 $(tc-getCC "$@") -dumpversion 376 _gcc_fullversion '$1.$2.$3' "$@"
330} 377}
331# @FUNCTION: gcc-version 378# @FUNCTION: gcc-version
332# @RETURN: compiler version (major.minor: [3.4].6) 379# @RETURN: compiler version (major.minor: [3.4].6)
333gcc-version() { 380gcc-version() {
334 gcc-fullversion "$@" | cut -f1,2 -d. 381 _gcc_fullversion '$1.$2' "$@"
335} 382}
336# @FUNCTION: gcc-major-version 383# @FUNCTION: gcc-major-version
337# @RETURN: major compiler version (major: [3].4.6) 384# @RETURN: major compiler version (major: [3].4.6)
338gcc-major-version() { 385gcc-major-version() {
339 gcc-version "$@" | cut -f1 -d. 386 _gcc_fullversion '$1' "$@"
340} 387}
341# @FUNCTION: gcc-minor-version 388# @FUNCTION: gcc-minor-version
342# @RETURN: minor compiler version (minor: 3.[4].6) 389# @RETURN: minor compiler version (minor: 3.[4].6)
343gcc-minor-version() { 390gcc-minor-version() {
344 gcc-version "$@" | cut -f2 -d. 391 _gcc_fullversion '$2' "$@"
345} 392}
346# @FUNCTION: gcc-micro-version 393# @FUNCTION: gcc-micro-version
347# @RETURN: micro compiler version (micro: 3.4.[6]) 394# @RETURN: micro compiler version (micro: 3.4.[6])
348gcc-micro-version() { 395gcc-micro-version() {
349 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d- 396 _gcc_fullversion '$3' "$@"
350} 397}
351 398
352# Returns the installation directory - internal toolchain 399# Returns the installation directory - internal toolchain
353# function for use by _gcc-specs-exists (for flag-o-matic). 400# function for use by _gcc-specs-exists (for flag-o-matic).
354_gcc-install-dir() { 401_gcc-install-dir() {

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