/[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 1.97 2009/12/01 04:44:17 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.102 2010/09/11 17:12:20 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
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
90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } 90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
91# @FUNCTION: tc-getPKG_CONFIG 91# @FUNCTION: tc-getPKG_CONFIG
92# @USAGE: [toolchain prefix] 92# @USAGE: [toolchain prefix]
93# @RETURN: name of the pkg-config tool 93# @RETURN: name of the pkg-config tool
94tc-getPKG_CONFIG() { tc-getPROG PKG_CONFIG pkg-config "$@"; } 94tc-getPKG_CONFIG() { tc-getPROG PKG_CONFIG pkg-config "$@"; }
95# @FUNCTION: tc-getRC
96# @USAGE: [toolchain prefix]
97# @RETURN: name of the Windows resource compiler
98tc-getRC() { tc-getPROG RC windres "$@"; }
99# @FUNCTION: tc-getDLLWRAP
100# @USAGE: [toolchain prefix]
101# @RETURN: name of the Windows dllwrap utility
102tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; }
95 103
96# @FUNCTION: tc-getBUILD_CC 104# @FUNCTION: tc-getBUILD_CC
97# @USAGE: [toolchain prefix] 105# @USAGE: [toolchain prefix]
98# @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
99tc-getBUILD_CC() { 107tc-getBUILD_CC() {
140# See if this toolchain is a softfloat based one. 148# See if this toolchain is a softfloat based one.
141# @CODE 149# @CODE
142# The possible return values: 150# The possible return values:
143# - only: the target is always softfloat (never had fpu) 151# - only: the target is always softfloat (never had fpu)
144# - yes: the target should support softfloat 152# - yes: the target should support softfloat
145# - no: the target should support hardfloat 153# - no: the target doesn't support softfloat
146# @CODE 154# @CODE
147# This allows us to react differently where packages accept 155# This allows us to react differently where packages accept
148# softfloat flags in the case where support is optional, but 156# softfloat flags in the case where support is optional, but
149# rejects softfloat flags where the target always lacks an fpu. 157# rejects softfloat flags where the target always lacks an fpu.
150tc-is-softfloat() { 158tc-is-softfloat() {
157 || echo "no" 165 || echo "no"
158 ;; 166 ;;
159 esac 167 esac
160} 168}
161 169
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 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
179 && echo "yes" \
180 || echo "no"
181}
182
162# @FUNCTION: tc-is-static-only 183# @FUNCTION: tc-is-static-only
163# @DESCRIPTION: 184# @DESCRIPTION:
164# Return shell true if the target does not support shared libs, shell false 185# Return shell true if the target does not support shared libs, shell false
165# otherwise. 186# otherwise.
166tc-is-static-only() { 187tc-is-static-only() {
167 local host=${CTARGET:-${CHOST}} 188 local host=${CTARGET:-${CHOST}}
168 189
169 # *MiNT doesn't have shared libraries, only platform so far 190 # *MiNT doesn't have shared libraries, only platform so far
170 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}
171} 216}
172 217
173# @FUNCTION: tc-has-tls 218# @FUNCTION: tc-has-tls
174# @USAGE: [-s|-c|-l] [toolchain prefix] 219# @USAGE: [-s|-c|-l] [toolchain prefix]
175# @DESCRIPTION: 220# @DESCRIPTION:
313 x86_64*) echo little;; 358 x86_64*) echo little;;
314 *) echo wtf;; 359 *) echo wtf;;
315 esac 360 esac
316} 361}
317 362
363# Internal func. The first argument is the version info to expand.
364# Query the preprocessor to improve compatibility across different
365# compilers rather than maintaining a --version flag matrix. #335943
366_gcc_fullversion() {
367 local ver="$1"; shift
368 set -- `$(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__"`
369 eval echo "$ver"
370}
371
318# @FUNCTION: gcc-fullversion 372# @FUNCTION: gcc-fullversion
319# @RETURN: compiler version (major.minor.micro: [3.4.6]) 373# @RETURN: compiler version (major.minor.micro: [3.4.6])
320gcc-fullversion() { 374gcc-fullversion() {
321 $(tc-getCC "$@") -dumpversion 375 _gcc_fullversion '$1.$2.$3' "$@"
322} 376}
323# @FUNCTION: gcc-version 377# @FUNCTION: gcc-version
324# @RETURN: compiler version (major.minor: [3.4].6) 378# @RETURN: compiler version (major.minor: [3.4].6)
325gcc-version() { 379gcc-version() {
326 gcc-fullversion "$@" | cut -f1,2 -d. 380 _gcc_fullversion '$1.$2' "$@"
327} 381}
328# @FUNCTION: gcc-major-version 382# @FUNCTION: gcc-major-version
329# @RETURN: major compiler version (major: [3].4.6) 383# @RETURN: major compiler version (major: [3].4.6)
330gcc-major-version() { 384gcc-major-version() {
331 gcc-version "$@" | cut -f1 -d. 385 _gcc_fullversion '$1' "$@"
332} 386}
333# @FUNCTION: gcc-minor-version 387# @FUNCTION: gcc-minor-version
334# @RETURN: minor compiler version (minor: 3.[4].6) 388# @RETURN: minor compiler version (minor: 3.[4].6)
335gcc-minor-version() { 389gcc-minor-version() {
336 gcc-version "$@" | cut -f2 -d. 390 _gcc_fullversion '$2' "$@"
337} 391}
338# @FUNCTION: gcc-micro-version 392# @FUNCTION: gcc-micro-version
339# @RETURN: micro compiler version (micro: 3.4.[6]) 393# @RETURN: micro compiler version (micro: 3.4.[6])
340gcc-micro-version() { 394gcc-micro-version() {
341 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d- 395 _gcc_fullversion '$3' "$@"
342} 396}
343 397
344# Returns the installation directory - internal toolchain 398# Returns the installation directory - internal toolchain
345# function for use by _gcc-specs-exists (for flag-o-matic). 399# function for use by _gcc-specs-exists (for flag-o-matic).
346_gcc-install-dir() { 400_gcc-install-dir() {

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