| 1 | # Copyright 1999-2005 Gentoo Foundation |
1 | # Copyright 1999-2005 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/flag-o-matic.eclass,v 1.97 2005/12/08 21:08:48 azarah Exp $ |
3 | # $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.101 2006/01/01 01:14:59 swegener Exp $ |
| 4 | |
4 | |
| 5 | |
5 | |
| 6 | # need access to emktemp() |
6 | # need access to emktemp() |
| 7 | inherit eutils toolchain-funcs multilib |
7 | inherit eutils toolchain-funcs multilib |
| 8 | |
8 | |
| … | |
… | |
| 311 | test-flag-CC() { test-flag-PROG "CC" "$1"; } |
311 | test-flag-CC() { test-flag-PROG "CC" "$1"; } |
| 312 | |
312 | |
| 313 | # Returns true if C++ compiler support given flag |
313 | # Returns true if C++ compiler support given flag |
| 314 | test-flag-CXX() { test-flag-PROG "CXX" "$1"; } |
314 | test-flag-CXX() { test-flag-PROG "CXX" "$1"; } |
| 315 | |
315 | |
| 316 | test-flags() { |
316 | test-flags-PROG() { |
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317 | local comp=$1 |
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318 | local flags |
| 317 | local x |
319 | local x |
| 318 | |
320 | |
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321 | shift |
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322 | |
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323 | [[ -z ${comp} ]] && \ |
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324 | return 1 |
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325 | |
| 319 | for x in "$@" ; do |
326 | for x in "$@" ; do |
| 320 | test-flag-CC "${x}" || return 1 |
327 | test-flag-${comp} "${x}" && flags="${flags} ${x}" |
| 321 | done |
328 | done |
| 322 | |
329 | |
| 323 | echo "$@" |
330 | echo "${flags}" |
| 324 | |
331 | |
| 325 | return 0 |
332 | # Just bail if we dont have any flags |
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333 | [[ -n ${flags} ]] |
| 326 | } |
334 | } |
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335 | |
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336 | # Returns (echo's) the given flags supported by the C compiler |
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337 | test-flags-CC() { test-flags-PROG "CC" "$@"; } |
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338 | |
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339 | # Returns (echo's) the given flags supported by the C++ compiler |
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340 | test-flags-CXX() { test-flags-PROG "CXX" "$@"; } |
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341 | |
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342 | # Short-hand that should hopefully work for both C and C++ compiler, but |
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343 | # its really only present due to the append-flags() abomination. |
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344 | test-flags() { test-flags-CC "$@"; } |
| 327 | |
345 | |
| 328 | # Depriciated, use test-flags() |
346 | # Depriciated, use test-flags() |
| 329 | test_flag() { |
347 | test_flag() { |
| 330 | addwrite "/dev/stderr" |
348 | addwrite "/dev/stderr" |
| 331 | ewarn "test_flag: deprecated, please use test-flags()!" >/dev/stderr |
349 | ewarn "test_flag: deprecated, please use test-flags()!" >/dev/stderr |
| 332 | |
350 | |
| 333 | test-flags "$@" |
351 | test-flags-CC "$@" |
| 334 | } |
352 | } |
| 335 | |
353 | |
| 336 | test_version_info() { |
354 | test_version_info() { |
| 337 | if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then |
355 | if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then |
| 338 | return 0 |
356 | return 0 |
| … | |
… | |
| 375 | # DEPRECATED - use gcc-specs-relro or gcc-specs-now from toolchain-funcs |
393 | # DEPRECATED - use gcc-specs-relro or gcc-specs-now from toolchain-funcs |
| 376 | has_hardened() { |
394 | has_hardened() { |
| 377 | addwrite "/dev/stderr" |
395 | addwrite "/dev/stderr" |
| 378 | ewarn "has_hardened: deprecated, please use gcc-specs-{relro,now}()!" \ |
396 | ewarn "has_hardened: deprecated, please use gcc-specs-{relro,now}()!" \ |
| 379 | >/dev/stderr |
397 | >/dev/stderr |
| 380 | |
398 | |
| 381 | test_version_info Hardened && return 0 |
399 | test_version_info Hardened && return 0 |
| 382 | # The specs file wont exist unless gcc has GCC_SPECS support |
400 | # The specs file wont exist unless gcc has GCC_SPECS support |
| 383 | [[ -f ${GCC_SPECS} && ${GCC_SPECS} != ${GCC_SPECS/hardened/} ]] |
401 | [[ -f ${GCC_SPECS} && ${GCC_SPECS} != ${GCC_SPECS/hardened/} ]] |
| 384 | } |
402 | } |
| 385 | |
403 | |
| 386 | # DEPRECATED - use gcc-specs-pie from toolchain-funcs |
404 | # DEPRECATED - use gcc-specs-pie from toolchain-funcs |
| 387 | # indicate whether PIC is set |
405 | # indicate whether PIC is set |
| 388 | has_pic() { |
406 | has_pic() { |
| 389 | addwrite "/dev/stderr" |
407 | addwrite "/dev/stderr" |
| 390 | ewarn "has_pic: deprecated, please use gcc-specs-pie()!" >/dev/stderr |
408 | ewarn "has_pic: deprecated, please use gcc-specs-pie()!" >/dev/stderr |
| 391 | |
409 | |
| 392 | [[ ${CFLAGS/-fPIC} != ${CFLAGS} || \ |
410 | [[ ${CFLAGS/-fPIC} != ${CFLAGS} || \ |
| 393 | ${CFLAGS/-fpic} != ${CFLAGS} || \ |
411 | ${CFLAGS/-fpic} != ${CFLAGS} || \ |
| 394 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] |
412 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] |
| 395 | } |
413 | } |
| 396 | |
414 | |
| 397 | # DEPRECATED - use gcc-specs-pie from toolchain-funcs |
415 | # DEPRECATED - use gcc-specs-pie from toolchain-funcs |
| 398 | # indicate whether PIE is set |
416 | # indicate whether PIE is set |
| 399 | has_pie() { |
417 | has_pie() { |
| 400 | addwrite "/dev/stderr" |
418 | addwrite "/dev/stderr" |
| 401 | ewarn "has_pie: deprecated, please use gcc-specs-pie()!" >/dev/stderr |
419 | ewarn "has_pie: deprecated, please use gcc-specs-pie()!" >/dev/stderr |
| 402 | |
420 | |
| 403 | [[ ${CFLAGS/-fPIE} != ${CFLAGS} || \ |
421 | [[ ${CFLAGS/-fPIE} != ${CFLAGS} || \ |
| 404 | ${CFLAGS/-fpie} != ${CFLAGS} || \ |
422 | ${CFLAGS/-fpie} != ${CFLAGS} || \ |
| 405 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__) || \ |
423 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIE__) || \ |
| 406 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] |
424 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __PIC__) ]] |
| 407 | # test PIC while waiting for specs to be updated to generate __PIE__ |
425 | # test PIC while waiting for specs to be updated to generate __PIE__ |
| … | |
… | |
| 410 | # DEPRECATED - use gcc-specs-ssp from toolchain-funcs |
428 | # DEPRECATED - use gcc-specs-ssp from toolchain-funcs |
| 411 | # indicate whether code for SSP is being generated for all functions |
429 | # indicate whether code for SSP is being generated for all functions |
| 412 | has_ssp_all() { |
430 | has_ssp_all() { |
| 413 | addwrite "/dev/stderr" |
431 | addwrite "/dev/stderr" |
| 414 | ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >/dev/stderr |
432 | ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >/dev/stderr |
| 415 | |
433 | |
| 416 | # note; this matches only -fstack-protector-all |
434 | # note; this matches only -fstack-protector-all |
| 417 | [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \ |
435 | [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \ |
| 418 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \ |
436 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \ |
| 419 | gcc-specs-ssp |
437 | gcc-specs-ssp |
| 420 | } |
438 | } |
| … | |
… | |
| 422 | # DEPRECATED - use gcc-specs-ssp from toolchain-funcs |
440 | # DEPRECATED - use gcc-specs-ssp from toolchain-funcs |
| 423 | # indicate whether code for SSP is being generated |
441 | # indicate whether code for SSP is being generated |
| 424 | has_ssp() { |
442 | has_ssp() { |
| 425 | addwrite "/dev/stderr" |
443 | addwrite "/dev/stderr" |
| 426 | ewarn "has_ssp: deprecated, please use gcc-specs-ssp()!" >/dev/stderr |
444 | ewarn "has_ssp: deprecated, please use gcc-specs-ssp()!" >/dev/stderr |
| 427 | |
445 | |
| 428 | # note; this matches both -fstack-protector and -fstack-protector-all |
446 | # note; this matches both -fstack-protector and -fstack-protector-all |
| 429 | [[ ${CFLAGS/-fstack-protector} != ${CFLAGS} || \ |
447 | [[ ${CFLAGS/-fstack-protector} != ${CFLAGS} || \ |
| 430 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__) ]] || \ |
448 | -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__) ]] || \ |
| 431 | gcc-specs-ssp |
449 | gcc-specs-ssp |
| 432 | } |
450 | } |
| … | |
… | |
| 434 | has_m64() { |
452 | has_m64() { |
| 435 | # this doesnt test if the flag is accepted, it tests if the flag |
453 | # this doesnt test if the flag is accepted, it tests if the flag |
| 436 | # actually -WORKS-. non-multilib gcc will take both -m32 and -m64! |
454 | # actually -WORKS-. non-multilib gcc will take both -m32 and -m64! |
| 437 | # please dont replace this function with test_flag in some future |
455 | # please dont replace this function with test_flag in some future |
| 438 | # clean-up! |
456 | # clean-up! |
| 439 | |
457 | |
| 440 | local temp="$(emktemp)" |
458 | local temp="$(emktemp)" |
| 441 | echo "int main() { return(0); }" > "${temp}".c |
459 | echo "int main() { return(0); }" > "${temp}".c |
| 442 | MY_CC=$(tc-getCC) |
460 | MY_CC=$(tc-getCC) |
| 443 | ${MY_CC/ .*/} -m64 -o "$(emktemp)" "${temp}".c > /dev/null 2>&1 |
461 | ${MY_CC/ .*/} -m64 -o "$(emktemp)" "${temp}".c > /dev/null 2>&1 |
| 444 | local ret=$? |
462 | local ret=$? |
| … | |
… | |
| 464 | [[ ${ret} != 1 ]] && return 0 |
482 | [[ ${ret} != 1 ]] && return 0 |
| 465 | return 1 |
483 | return 1 |
| 466 | } |
484 | } |
| 467 | |
485 | |
| 468 | replace-sparc64-flags() { |
486 | replace-sparc64-flags() { |
| 469 | local SPARC64_CPUS="ultrasparc v9" |
487 | local SPARC64_CPUS="ultrasparc3 ultrasparc v9" |
| 470 | |
488 | |
| 471 | if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then |
489 | if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then |
| 472 | for x in ${SPARC64_CPUS}; do |
490 | for x in ${SPARC64_CPUS}; do |
| 473 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}" |
491 | CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}" |
| 474 | done |
492 | done |