/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.88 Revision 1.107
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 1.88 2009/03/28 11:09:27 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.107 2011/09/12 21:42:08 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
… …
16___ECLASS_RECUR_TOOLCHAIN_FUNCS="yes" 16___ECLASS_RECUR_TOOLCHAIN_FUNCS="yes"
17[[ -z ${___ECLASS_RECUR_MULTILIB} ]] && inherit multilib 17[[ -z ${___ECLASS_RECUR_MULTILIB} ]] && inherit multilib
18 18
19DESCRIPTION="Based on the ${ECLASS} eclass" 19DESCRIPTION="Based on the ${ECLASS} eclass"
20 20
21# tc-getPROG <VAR [search vars]> <default> [tuple]
21tc-getPROG() { 22_tc-getPROG() {
22 local var=$1 23 local tuple=$1
24 local v var vars=$2
23 local prog=$2 25 local prog=$3
24 26
25 if [[ -n ${!var} ]] ; then 27 var=${vars%% *}
26 echo "${!var}" 28 for v in ${vars} ; do
27 return 0
28 fi
29
30 local search=
31 [[ -n $3 ]] && search=$(type -p "$3-${prog}")
32 [[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}")
33 [[ -n ${search} ]] && prog=${search##*/}
34
35 export ${var}=${prog}
36 echo "${!var}"
37}
38
39# @FUNCTION: tc-getAR
40# @USAGE: [toolchain prefix]
41# @RETURN: name of the archiver
42tc-getAR() { tc-getPROG AR ar "$@"; }
43# @FUNCTION: tc-getAS
44# @USAGE: [toolchain prefix]
45# @RETURN: name of the assembler
46tc-getAS() { tc-getPROG AS as "$@"; }
47# @FUNCTION: tc-getCC
48# @USAGE: [toolchain prefix]
49# @RETURN: name of the C compiler
50tc-getCC() { tc-getPROG CC gcc "$@"; }
51# @FUNCTION: tc-getCPP
52# @USAGE: [toolchain prefix]
53# @RETURN: name of the C preprocessor
54tc-getCPP() { tc-getPROG CPP cpp "$@"; }
55# @FUNCTION: tc-getCXX
56# @USAGE: [toolchain prefix]
57# @RETURN: name of the C++ compiler
58tc-getCXX() { tc-getPROG CXX g++ "$@"; }
59# @FUNCTION: tc-getLD
60# @USAGE: [toolchain prefix]
61# @RETURN: name of the linker
62tc-getLD() { tc-getPROG LD ld "$@"; }
63# @FUNCTION: tc-getSTRIP
64# @USAGE: [toolchain prefix]
65# @RETURN: name of the strip program
66tc-getSTRIP() { tc-getPROG STRIP strip "$@"; }
67# @FUNCTION: tc-getNM
68# @USAGE: [toolchain prefix]
69# @RETURN: name of the symbol/object thingy
70tc-getNM() { tc-getPROG NM nm "$@"; }
71# @FUNCTION: tc-getRANLIB
72# @USAGE: [toolchain prefix]
73# @RETURN: name of the archiver indexer
74tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
75# @FUNCTION: tc-getOBJCOPY
76# @USAGE: [toolchain prefix]
77# @RETURN: name of the object copier
78tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
79# @FUNCTION: tc-getF77
80# @USAGE: [toolchain prefix]
81# @RETURN: name of the Fortran 77 compiler
82tc-getF77() { tc-getPROG F77 f77 "$@"; }
83# @FUNCTION: tc-getFC
84# @USAGE: [toolchain prefix]
85# @RETURN: name of the Fortran 90 compiler
86tc-getFC() { tc-getPROG FC gfortran "$@"; }
87# @FUNCTION: tc-getGCJ
88# @USAGE: [toolchain prefix]
89# @RETURN: name of the java compiler
90tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
91
92# @FUNCTION: tc-getBUILD_CC
93# @USAGE: [toolchain prefix]
94# @RETURN: name of the C compiler for building binaries to run on the build machine
95tc-getBUILD_CC() {
96 local v
97 for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do
98 if [[ -n ${!v} ]] ; then 29 if [[ -n ${!v} ]] ; then
99 export BUILD_CC=${!v} 30 export ${var}="${!v}"
100 echo "${!v}" 31 echo "${!v}"
101 return 0 32 return 0
102 fi 33 fi
103 done 34 done
104 35
105 local search= 36 local search=
106 if [[ -n ${CBUILD} ]] ; then 37 [[ -n $4 ]] && search=$(type -p "$4-${prog}")
107 search=$(type -p ${CBUILD}-gcc) 38 [[ -z ${search} && -n ${!tuple} ]] && search=$(type -p "${!tuple}-${prog}")
108 search=${search##*/} 39 [[ -n ${search} ]] && prog=${search##*/}
109 fi
110 search=${search:-gcc}
111 40
112 export BUILD_CC=${search} 41 export ${var}=${prog}
113 echo "${search}" 42 echo "${!var}"
114} 43}
44tc-getBUILD_PROG() { _tc-getPROG CBUILD "BUILD_$1 $1_FOR_BUILD HOST$1" "${@:2}"; }
45tc-getPROG() { _tc-getPROG CHOST "$@"; }
46
47# @FUNCTION: tc-getAR
48# @USAGE: [toolchain prefix]
49# @RETURN: name of the archiver
50tc-getAR() { tc-getPROG AR ar "$@"; }
51# @FUNCTION: tc-getAS
52# @USAGE: [toolchain prefix]
53# @RETURN: name of the assembler
54tc-getAS() { tc-getPROG AS as "$@"; }
55# @FUNCTION: tc-getCC
56# @USAGE: [toolchain prefix]
57# @RETURN: name of the C compiler
58tc-getCC() { tc-getPROG CC gcc "$@"; }
59# @FUNCTION: tc-getCPP
60# @USAGE: [toolchain prefix]
61# @RETURN: name of the C preprocessor
62tc-getCPP() { tc-getPROG CPP cpp "$@"; }
63# @FUNCTION: tc-getCXX
64# @USAGE: [toolchain prefix]
65# @RETURN: name of the C++ compiler
66tc-getCXX() { tc-getPROG CXX g++ "$@"; }
67# @FUNCTION: tc-getLD
68# @USAGE: [toolchain prefix]
69# @RETURN: name of the linker
70tc-getLD() { tc-getPROG LD ld "$@"; }
71# @FUNCTION: tc-getSTRIP
72# @USAGE: [toolchain prefix]
73# @RETURN: name of the strip program
74tc-getSTRIP() { tc-getPROG STRIP strip "$@"; }
75# @FUNCTION: tc-getNM
76# @USAGE: [toolchain prefix]
77# @RETURN: name of the symbol/object thingy
78tc-getNM() { tc-getPROG NM nm "$@"; }
79# @FUNCTION: tc-getRANLIB
80# @USAGE: [toolchain prefix]
81# @RETURN: name of the archiver indexer
82tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; }
83# @FUNCTION: tc-getOBJCOPY
84# @USAGE: [toolchain prefix]
85# @RETURN: name of the object copier
86tc-getOBJCOPY() { tc-getPROG OBJCOPY objcopy "$@"; }
87# @FUNCTION: tc-getF77
88# @USAGE: [toolchain prefix]
89# @RETURN: name of the Fortran 77 compiler
90tc-getF77() { tc-getPROG F77 gfortran "$@"; }
91# @FUNCTION: tc-getFC
92# @USAGE: [toolchain prefix]
93# @RETURN: name of the Fortran 90 compiler
94tc-getFC() { tc-getPROG FC gfortran "$@"; }
95# @FUNCTION: tc-getGCJ
96# @USAGE: [toolchain prefix]
97# @RETURN: name of the java compiler
98tc-getGCJ() { tc-getPROG GCJ gcj "$@"; }
99# @FUNCTION: tc-getPKG_CONFIG
100# @USAGE: [toolchain prefix]
101# @RETURN: name of the pkg-config tool
102tc-getPKG_CONFIG() { tc-getPROG PKG_CONFIG pkg-config "$@"; }
103# @FUNCTION: tc-getRC
104# @USAGE: [toolchain prefix]
105# @RETURN: name of the Windows resource compiler
106tc-getRC() { tc-getPROG RC windres "$@"; }
107# @FUNCTION: tc-getDLLWRAP
108# @USAGE: [toolchain prefix]
109# @RETURN: name of the Windows dllwrap utility
110tc-getDLLWRAP() { tc-getPROG DLLWRAP dllwrap "$@"; }
111
112# @FUNCTION: tc-getBUILD_AR
113# @USAGE: [toolchain prefix]
114# @RETURN: name of the archiver for building binaries to run on the build machine
115tc-getBUILD_AR() { tc-getBUILD_PROG AR ar "$@"; }
116# @FUNCTION: tc-getBUILD_AS
117# @USAGE: [toolchain prefix]
118# @RETURN: name of the assembler for building binaries to run on the build machine
119tc-getBUILD_AS() { tc-getBUILD_PROG AS as "$@"; }
120# @FUNCTION: tc-getBUILD_CC
121# @USAGE: [toolchain prefix]
122# @RETURN: name of the C compiler for building binaries to run on the build machine
123tc-getBUILD_CC() { tc-getBUILD_PROG CC gcc "$@"; }
124# @FUNCTION: tc-getBUILD_CPP
125# @USAGE: [toolchain prefix]
126# @RETURN: name of the C preprocessor for building binaries to run on the build machine
127tc-getBUILD_CPP() { tc-getBUILD_PROG CPP cpp "$@"; }
128# @FUNCTION: tc-getBUILD_CXX
129# @USAGE: [toolchain prefix]
130# @RETURN: name of the C++ compiler for building binaries to run on the build machine
131tc-getBUILD_CXX() { tc-getBUILD_PROG CXX g++ "$@"; }
132# @FUNCTION: tc-getBUILD_LD
133# @USAGE: [toolchain prefix]
134# @RETURN: name of the linker for building binaries to run on the build machine
135tc-getBUILD_LD() { tc-getBUILD_PROG LD ld "$@"; }
136# @FUNCTION: tc-getBUILD_STRIP
137# @USAGE: [toolchain prefix]
138# @RETURN: name of the strip program for building binaries to run on the build machine
139tc-getBUILD_STRIP() { tc-getBUILD_PROG STRIP strip "$@"; }
140# @FUNCTION: tc-getBUILD_NM
141# @USAGE: [toolchain prefix]
142# @RETURN: name of the symbol/object thingy for building binaries to run on the build machine
143tc-getBUILD_NM() { tc-getBUILD_PROG NM nm "$@"; }
144# @FUNCTION: tc-getBUILD_RANLIB
145# @USAGE: [toolchain prefix]
146# @RETURN: name of the archiver indexer for building binaries to run on the build machine
147tc-getBUILD_RANLIB() { tc-getBUILD_PROG RANLIB ranlib "$@"; }
148# @FUNCTION: tc-getBUILD_OBJCOPY
149# @USAGE: [toolchain prefix]
150# @RETURN: name of the object copier for building binaries to run on the build machine
151tc-getBUILD_OBJCOPY() { tc-getBUILD_PROG OBJCOPY objcopy "$@"; }
152# @FUNCTION: tc-getBUILD_PKG_CONFIG
153# @USAGE: [toolchain prefix]
154# @RETURN: name of the pkg-config tool for building binaries to run on the build machine
155tc-getBUILD_PKG_CONFIG() { tc-getBUILD_PROG PKG_CONFIG pkg-config "$@"; }
115 156
116# @FUNCTION: tc-export 157# @FUNCTION: tc-export
117# @USAGE: <list of toolchain variables> 158# @USAGE: <list of toolchain variables>
118# @DESCRIPTION: 159# @DESCRIPTION:
119# Quick way to export a bunch of compiler vars at once. 160# Quick way to export a bunch of compiler vars at once.
… …
136# See if this toolchain is a softfloat based one. 177# See if this toolchain is a softfloat based one.
137# @CODE 178# @CODE
138# The possible return values: 179# The possible return values:
139# - only: the target is always softfloat (never had fpu) 180# - only: the target is always softfloat (never had fpu)
140# - yes: the target should support softfloat 181# - yes: the target should support softfloat
141# - no: the target should support hardfloat 182# - no: the target doesn't support softfloat
142# @CODE 183# @CODE
143# This allows us to react differently where packages accept 184# This allows us to react differently where packages accept
144# softfloat flags in the case where support is optional, but 185# softfloat flags in the case where support is optional, but
145# rejects softfloat flags where the target always lacks an fpu. 186# rejects softfloat flags where the target always lacks an fpu.
146tc-is-softfloat() { 187tc-is-softfloat() {
… …
152 && echo "yes" \ 193 && echo "yes" \
153 || echo "no" 194 || echo "no"
154 ;; 195 ;;
155 esac 196 esac
156} 197}
198
199# @FUNCTION: tc-is-hardfloat
200# @DESCRIPTION:
201# See if this toolchain is a hardfloat based one.
202# @CODE
203# The possible return values:
204# - yes: the target should support hardfloat
205# - no: the target doesn't support hardfloat
206tc-is-hardfloat() {
207 [[ ${CTARGET//_/-} == *-hardfloat-* ]] \
208 && echo "yes" \
209 || echo "no"
210}
211
212# @FUNCTION: tc-is-static-only
213# @DESCRIPTION:
214# Return shell true if the target does not support shared libs, shell false
215# otherwise.
216tc-is-static-only() {
217 local host=${CTARGET:-${CHOST}}
218
219 # *MiNT doesn't have shared libraries, only platform so far
220 return $([[ ${host} == *-mint* ]])
221}
222
223# @FUNCTION: tc-has-openmp
224# @USAGE: [toolchain prefix]
225# @DESCRIPTION:
226# See if the toolchain supports OpenMP.
227tc-has-openmp() {
228 local base="${T}/test-tc-openmp"
229 cat <<-EOF > "${base}.c"
230 #include <omp.h>
231 int main() {
232 int nthreads, tid, ret = 0;
233 #pragma omp parallel private(nthreads, tid)
234 {
235 tid = omp_get_thread_num();
236 nthreads = omp_get_num_threads(); ret += tid + nthreads;
237 }
238 return ret;
239 }
240 EOF
241 $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null
242 local ret=$?
243 rm -f "${base}"*
244 return ${ret}
245}
246
247# @FUNCTION: tc-has-tls
248# @USAGE: [-s|-c|-l] [toolchain prefix]
249# @DESCRIPTION:
250# See if the toolchain supports thread local storage (TLS). Use -s to test the
251# compiler, -c to also test the assembler, and -l to also test the C library
252# (the default).
253tc-has-tls() {
254 local base="${T}/test-tc-tls"
255 cat <<-EOF > "${base}.c"
256 int foo(int *i) {
257 static __thread int j = 0;
258 return *i ? j : *i;
259 }
260 EOF
261 local flags
262 case $1 in
263 -s) flags="-S";;
264 -c) flags="-c";;
265 -l) ;;
266 -*) die "Usage: tc-has-tls [-c|-l] [toolchain prefix]";;
267 esac
268 : ${flags:=-fPIC -shared -Wl,-z,defs}
269 [[ $1 == -* ]] && shift
270 $(tc-getCC "$@") ${flags} "${base}.c" -o "${base}" >&/dev/null
271 local ret=$?
272 rm -f "${base}"*
273 return ${ret}
274}
275
157 276
158# Parse information from CBUILD/CHOST/CTARGET rather than 277# Parse information from CBUILD/CHOST/CTARGET rather than
159# use external variables from the profile. 278# use external variables from the profile.
160tc-ninja_magic_to_arch() { 279tc-ninja_magic_to_arch() {
161ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } 280ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
… …
185 m68*) echo m68k;; 304 m68*) echo m68k;;
186 mips*) echo mips;; 305 mips*) echo mips;;
187 nios2*) echo nios2;; 306 nios2*) echo nios2;;
188 nios*) echo nios;; 307 nios*) echo nios;;
189 powerpc*) 308 powerpc*)
190 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees 309 # Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees
191 # have been unified into simply 'powerpc', but until 2.6.16, 310 # have been unified into simply 'powerpc', but until 2.6.16,
192 # ppc32 is still using ARCH="ppc" as default 311 # ppc32 is still using ARCH="ppc" as default
193 if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] && [[ ${type} == "kern" ]] ; then 312 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.16) ]] ; then
194 echo powerpc 313 echo powerpc
195 elif [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then 314 elif [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -eq $(KV_to_int 2.6.15) ]] ; then
196 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 315 if [[ ${host} == powerpc64* ]] || [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
197 echo powerpc 316 echo powerpc
198 else 317 else
199 echo ppc 318 echo ppc
200 fi 319 fi
201 elif [[ ${host} == powerpc64* ]] ; then 320 elif [[ ${host} == powerpc64* ]] ; then
202 echo ppc64 321 echo ppc64
203 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then 322 elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then
204 ninj ppc64 ppc 323 ninj ppc64 ppc
205 else 324 else
206 echo ppc 325 echo ppc
207 fi 326 fi
208 ;; 327 ;;
209 s390*) echo s390;; 328 s390*) echo s390;;
210 sh64*) ninj sh64 sh;; 329 sh64*) ninj sh64 sh;;
211 sh*) echo sh;; 330 sh*) echo sh;;
212 sparc64*) ninj sparc64 sparc;; 331 sparc64*) ninj sparc64 sparc;;
213 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ 332 sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \
214 && ninj sparc64 sparc \ 333 && ninj sparc64 sparc \
215 || echo sparc 334 || echo sparc
216 ;; 335 ;;
217 vax*) echo vax;; 336 vax*) echo vax;;
337 x86_64*freebsd*) echo amd64;;
218 x86_64*) 338 x86_64*)
219 # Starting with linux-2.6.24, the 'x86_64' and 'i386' 339 # Starting with linux-2.6.24, the 'x86_64' and 'i386'
220 # trees have been unified into 'x86'. 340 # trees have been unified into 'x86'.
221 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then 341 if [[ ${type} == "kern" ]] && [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.24) ]] ; then
222 echo x86 342 echo x86
… …
268 x86_64*) echo little;; 388 x86_64*) echo little;;
269 *) echo wtf;; 389 *) echo wtf;;
270 esac 390 esac
271} 391}
272 392
393# Internal func. The first argument is the version info to expand.
394# Query the preprocessor to improve compatibility across different
395# compilers rather than maintaining a --version flag matrix. #335943
396_gcc_fullversion() {
397 local ver="$1"; shift
398 set -- `$(tc-getCPP "$@") -E -P - <<<"__GNUC__ __GNUC_MINOR__ __GNUC_PATCHLEVEL__"`
399 eval echo "$ver"
400}
401
273# @FUNCTION: gcc-fullversion 402# @FUNCTION: gcc-fullversion
274# @RETURN: compiler version (major.minor.micro: [3.4.6]) 403# @RETURN: compiler version (major.minor.micro: [3.4.6])
275gcc-fullversion() { 404gcc-fullversion() {
276 $(tc-getCC "$@") -dumpversion 405 _gcc_fullversion '$1.$2.$3' "$@"
277} 406}
278# @FUNCTION: gcc-version 407# @FUNCTION: gcc-version
279# @RETURN: compiler version (major.minor: [3.4].6) 408# @RETURN: compiler version (major.minor: [3.4].6)
280gcc-version() { 409gcc-version() {
281 gcc-fullversion "$@" | cut -f1,2 -d. 410 _gcc_fullversion '$1.$2' "$@"
282} 411}
283# @FUNCTION: gcc-major-version 412# @FUNCTION: gcc-major-version
284# @RETURN: major compiler version (major: [3].4.6) 413# @RETURN: major compiler version (major: [3].4.6)
285gcc-major-version() { 414gcc-major-version() {
286 gcc-version "$@" | cut -f1 -d. 415 _gcc_fullversion '$1' "$@"
287} 416}
288# @FUNCTION: gcc-minor-version 417# @FUNCTION: gcc-minor-version
289# @RETURN: minor compiler version (minor: 3.[4].6) 418# @RETURN: minor compiler version (minor: 3.[4].6)
290gcc-minor-version() { 419gcc-minor-version() {
291 gcc-version "$@" | cut -f2 -d. 420 _gcc_fullversion '$2' "$@"
292} 421}
293# @FUNCTION: gcc-micro-version 422# @FUNCTION: gcc-micro-version
294# @RETURN: micro compiler version (micro: 3.4.[6]) 423# @RETURN: micro compiler version (micro: 3.4.[6])
295gcc-micro-version() { 424gcc-micro-version() {
296 gcc-fullversion "$@" | cut -f3 -d. | cut -f1 -d- 425 _gcc_fullversion '$3' "$@"
297} 426}
298 427
299# Returns the installation directory - internal toolchain 428# Returns the installation directory - internal toolchain
300# function for use by _gcc-specs-exists (for flag-o-matic). 429# function for use by _gcc-specs-exists (for flag-o-matic).
301_gcc-install-dir() { 430_gcc-install-dir() {
… …
401# Note that you should in general use the unversioned name of 530# Note that you should in general use the unversioned name of
402# the library (libfoo.so), as ldconfig should usually update it 531# the library (libfoo.so), as ldconfig should usually update it
403# correctly to point to the latest version of the library present. 532# correctly to point to the latest version of the library present.
404gen_usr_ldscript() { 533gen_usr_ldscript() {
405 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname) 534 local lib libdir=$(get_libdir) output_format="" auto=false suffix=$(get_libname)
535 [[ -z ${ED+set} ]] && local ED=${D%/}${EPREFIX}/
536
537 tc-is-static-only && return
538
406 # Just make sure it exists 539 # Just make sure it exists
407 dodir /usr/${libdir} 540 dodir /usr/${libdir}
408 541
409 if [[ $1 == "-a" ]] ; then 542 if [[ $1 == "-a" ]] ; then
410 auto=true 543 auto=true
… …
416 # is referenced ... makes multilib saner 549 # is referenced ... makes multilib saner
417 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p') 550 output_format=$($(tc-getCC) ${CFLAGS} ${LDFLAGS} -Wl,--verbose 2>&1 | sed -n 's/^OUTPUT_FORMAT("\([^"]*\)",.*/\1/p')
418 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )" 551 [[ -n ${output_format} ]] && output_format="OUTPUT_FORMAT ( ${output_format} )"
419 552
420 for lib in "$@" ; do 553 for lib in "$@" ; do
421 if [[ ${USERLAND} == "Darwin" ]] ; then 554 local tlib
422 ewarn "Not creating fake dynamic library for $lib on Darwin;" 555 if ${auto} ; then
423 ewarn "making a symlink instead." 556 lib="lib${lib}${suffix}"
424 dosym "/${libdir}/${lib}" "/usr/${libdir}/${lib}"
425 else 557 else
426 local tlib 558 # Ensure /lib/${lib} exists to avoid dangling scripts/symlinks.
559 # This especially is for AIX where $(get_libname) can return ".a",
560 # so /lib/${lib} might be moved to /usr/lib/${lib} (by accident).
561 [[ -r ${ED}/${libdir}/${lib} ]] || continue
562 #TODO: better die here?
563 fi
564
565 case ${CTARGET:-${CHOST}} in
566 *-darwin*)
427 if ${auto} ; then 567 if ${auto} ; then
428 lib="lib${lib}${suffix}"
429 tlib=$(scanelf -qF'%S#F' "${D}"/usr/${libdir}/${lib}) 568 tlib=$(scanmacho -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
569 else
570 tlib=$(scanmacho -qF'%S#F' "${ED}"/${libdir}/${lib})
571 fi
572 [[ -z ${tlib} ]] && die "unable to read install_name from ${lib}"
573 tlib=${tlib##*/}
574
575 if ${auto} ; then
576 mv "${ED}"/usr/${libdir}/${lib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
577 # some install_names are funky: they encode a version
578 if [[ ${tlib} != ${lib%${suffix}}.*${suffix#.} ]] ; then
579 mv "${ED}"/usr/${libdir}/${tlib%${suffix}}.*${suffix#.} "${ED}"/${libdir}/ || die
580 fi
581 rm -f "${ED}"/${libdir}/${lib}
582 fi
583
584 # Mach-O files have an id, which is like a soname, it tells how
585 # another object linking against this lib should reference it.
586 # Since we moved the lib from usr/lib into lib this reference is
587 # wrong. Hence, we update it here. We don't configure with
588 # libdir=/lib because that messes up libtool files.
589 # Make sure we don't lose the specific version, so just modify the
590 # existing install_name
591 if [[ ! -w "${ED}/${libdir}/${tlib}" ]] ; then
592 chmod u+w "${ED}${libdir}/${tlib}" # needed to write to it
593 local nowrite=yes
594 fi
595 install_name_tool \
596 -id "${EPREFIX}"/${libdir}/${tlib} \
597 "${ED}"/${libdir}/${tlib} || die "install_name_tool failed"
598 [[ -n ${nowrite} ]] && chmod u-w "${ED}${libdir}/${tlib}"
599 # Now as we don't use GNU binutils and our linker doesn't
600 # understand linker scripts, just create a symlink.
601 pushd "${ED}/usr/${libdir}" > /dev/null
602 ln -snf "../../${libdir}/${tlib}" "${lib}"
603 popd > /dev/null
604 ;;
605 *-aix*|*-irix*|*64*-hpux*|*-interix*|*-winnt*)
606 if ${auto} ; then
430 mv "${D}"/usr/${libdir}/${lib}* "${D}"/${libdir}/ || die 607 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
608 # no way to retrieve soname on these platforms (?)
609 tlib=$(readlink "${ED}"/${libdir}/${lib})
610 tlib=${tlib##*/}
611 if [[ -z ${tlib} ]] ; then
612 # ok, apparently was not a symlink, don't remove it and
613 # just link to it
614 tlib=${lib}
615 else
616 rm -f "${ED}"/${libdir}/${lib}
617 fi
618 else
619 tlib=${lib}
620 fi
621
622 # we don't have GNU binutils on these platforms, so we symlink
623 # instead, which seems to work fine. Keep it relative, otherwise
624 # we break some QA checks in Portage
625 # on interix, the linker scripts would work fine in _most_
626 # situations. if a library links to such a linker script the
627 # absolute path to the correct library is inserted into the binary,
628 # which is wrong, since anybody linking _without_ libtool will miss
629 # some dependencies, since the stupid linker cannot find libraries
630 # hardcoded with absolute paths (as opposed to the loader, which
631 # seems to be able to do this).
632 # this has been seen while building shared-mime-info which needs
633 # libxml2, but links without libtool (and does not add libz to the
634 # command line by itself).
635 pushd "${ED}/usr/${libdir}" > /dev/null
636 ln -snf "../../${libdir}/${tlib}" "${lib}"
637 popd > /dev/null
638 ;;
639 hppa*-hpux*) # PA-RISC 32bit (SOM) only, others (ELF) match *64*-hpux* above.
640 if ${auto} ; then
641 tlib=$(chatr "${ED}"/usr/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
642 [[ -z ${tlib} ]] && tlib=${lib}
643 tlib=${tlib##*/} # 'internal name' can have a path component
644 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
431 # some SONAMEs are funky: they encode a version before the .so 645 # some SONAMEs are funky: they encode a version before the .so
432 if [[ ${tlib} != ${lib}* ]] ; then 646 if [[ ${tlib} != ${lib}* ]] ; then
433 mv "${D}"/usr/${libdir}/${tlib}* "${D}"/${libdir}/ || die 647 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
434 fi 648 fi
649 [[ ${tlib} != ${lib} ]] &&
650 rm -f "${ED}"/${libdir}/${lib}
651 else
652 tlib=$(chatr "${ED}"/${libdir}/${lib} | sed -n '/internal name:/{n;s/^ *//;p;q}')
653 [[ -z ${tlib} ]] && tlib=${lib}
654 tlib=${tlib##*/} # 'internal name' can have a path component
655 fi
656 pushd "${ED}"/usr/${libdir} >/dev/null
657 ln -snf "../../${libdir}/${tlib}" "${lib}"
658 # need the internal name in usr/lib too, to be available at runtime
659 # when linked with /path/to/lib.sl (hardcode_direct_absolute=yes)
660 [[ ${tlib} != ${lib} ]] &&
661 ln -snf "../../${libdir}/${tlib}" "${tlib}"
662 popd >/dev/null
663 ;;
664 *)
665 if ${auto} ; then
666 tlib=$(scanelf -qF'%S#F' "${ED}"/usr/${libdir}/${lib})
435 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}" 667 [[ -z ${tlib} ]] && die "unable to read SONAME from ${lib}"
668 mv "${ED}"/usr/${libdir}/${lib}* "${ED}"/${libdir}/ || die
669 # some SONAMEs are funky: they encode a version before the .so
670 if [[ ${tlib} != ${lib}* ]] ; then
671 mv "${ED}"/usr/${libdir}/${tlib}* "${ED}"/${libdir}/ || die
672 fi
436 rm -f "${D}"/${libdir}/${lib} 673 rm -f "${ED}"/${libdir}/${lib}
437 else 674 else
438 tlib=${lib} 675 tlib=${lib}
439 fi 676 fi
440 cat > "${D}/usr/${libdir}/${lib}" <<-END_LDSCRIPT 677 cat > "${ED}/usr/${libdir}/${lib}" <<-END_LDSCRIPT
441 /* GNU ld script 678 /* GNU ld script
442 Since Gentoo has critical dynamic libraries in /lib, and the static versions 679 Since Gentoo has critical dynamic libraries in /lib, and the static versions
443 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we 680 in /usr/lib, we need to have a "fake" dynamic lib in /usr/lib, otherwise we
444 run into linking problems. This "fake" dynamic lib is a linker script that 681 run into linking problems. This "fake" dynamic lib is a linker script that
445 redirects the linker to the real lib. And yes, this works in the cross- 682 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. 683 compiling scenario as the sysroot-ed linker will prepend the real path.
447 684
448 See bug http://bugs.gentoo.org/4411 for more info. 685 See bug http://bugs.gentoo.org/4411 for more info.
449 */ 686 */
450 ${output_format} 687 ${output_format}
451 GROUP ( /${libdir}/${tlib} ) 688 GROUP ( ${EPREFIX}/${libdir}/${tlib} )
452 END_LDSCRIPT 689 END_LDSCRIPT
690 ;;
691 esac
453 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}" 692 fperms a+x "/usr/${libdir}/${lib}" || die "could not change perms on ${lib}"
454 fi
455 done 693 done
456} 694}
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