configure.sh 36.5 KB
Newer Older
1
#!/bin/sh
John Koleszar's avatar
John Koleszar committed
2
##
3
##  configure.sh
John Koleszar's avatar
John Koleszar committed
4
##
5 6 7 8 9
##  This script is sourced by the main configure script and contains
##  utility functions and other common bits that aren't strictly libvpx
##  related.
##
##  This build system is based in part on the FFmpeg configure script.
John Koleszar's avatar
John Koleszar committed
10 11 12 13 14 15 16
##


#
# Logging / Output Functions
#
die_unknown(){
Johann's avatar
Johann committed
17 18 19 20
  echo "Unknown option \"$1\"."
  echo "See $0 --help for available options."
  clean_temp_files
  exit 1
John Koleszar's avatar
John Koleszar committed
21 22 23
}

die() {
Johann's avatar
Johann committed
24 25 26 27 28 29 30 31 32
  echo "$@"
  echo
  echo "Configuration failed. This could reflect a misconfiguration of your"
  echo "toolchains, improper options selected, or another problem. If you"
  echo "don't see any useful error messages above, the next step is to look"
  echo "at the configure error log file ($logfile) to determine what"
  echo "configure was trying to do when it died."
  clean_temp_files
  exit 1
John Koleszar's avatar
John Koleszar committed
33 34 35
}

log(){
Johann's avatar
Johann committed
36
  echo "$@" >>$logfile
John Koleszar's avatar
John Koleszar committed
37 38 39
}

log_file(){
Johann's avatar
Johann committed
40 41 42
  log BEGIN $1
  cat -n $1 >>$logfile
  log END $1
John Koleszar's avatar
John Koleszar committed
43 44 45
}

log_echo() {
Johann's avatar
Johann committed
46 47
  echo "$@"
  log "$@"
John Koleszar's avatar
John Koleszar committed
48 49 50
}

fwrite () {
Johann's avatar
Johann committed
51 52 53
  outfile=$1
  shift
  echo "$@" >> ${outfile}
John Koleszar's avatar
John Koleszar committed
54 55 56
}

show_help_pre(){
Johann's avatar
Johann committed
57 58 59 60 61 62 63 64
  for opt in ${CMDLINE_SELECT}; do
    opt2=`echo $opt | sed -e 's;_;-;g'`
    if enabled $opt; then
      eval "toggle_${opt}=\"--disable-${opt2}\""
    else
      eval "toggle_${opt}=\"--enable-${opt2} \""
    fi
  done
John Koleszar's avatar
John Koleszar committed
65

Johann's avatar
Johann committed
66
  cat <<EOF
John Koleszar's avatar
John Koleszar committed
67 68 69 70 71
Usage: configure [options]
Options:

Build options:
  --help                      print this message
72
  --log=yes|no|FILE           file configure log is written to [config.log]
John Koleszar's avatar
John Koleszar committed
73 74
  --target=TARGET             target platform tuple [generic-gnu]
  --cpu=CPU                   optimize for a specific cpu rather than a family
Attila Nagy's avatar
Attila Nagy committed
75
  --extra-cflags=ECFLAGS      add ECFLAGS to CFLAGS [$CFLAGS]
John Koleszar's avatar
John Koleszar committed
76 77 78 79
  ${toggle_extra_warnings}    emit harmless warnings (always non-fatal)
  ${toggle_werror}            treat warnings as errors, if possible
                              (not available with all compilers)
  ${toggle_optimizations}     turn on/off compiler optimization flags
80
  ${toggle_pic}               turn on/off Position Independent Code
John Koleszar's avatar
John Koleszar committed
81 82 83 84
  ${toggle_ccache}            turn on/off compiler cache
  ${toggle_debug}             enable/disable debug mode
  ${toggle_gprof}             enable/disable gprof profiling instrumentation
  ${toggle_gcov}              enable/disable gcov coverage instrumentation
85
  ${toggle_thumb}             enable/disable building arm assembly in thumb mode
John Koleszar's avatar
John Koleszar committed
86 87 88 89 90 91 92 93 94 95 96 97

Install options:
  ${toggle_install_docs}      control whether docs are installed
  ${toggle_install_bins}      control whether binaries are installed
  ${toggle_install_libs}      control whether libraries are installed
  ${toggle_install_srcs}      control whether sources are installed


EOF
}

show_help_post(){
Johann's avatar
Johann committed
98
  cat <<EOF
John Koleszar's avatar
John Koleszar committed
99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115


NOTES:
    Object files are built at the place where configure is launched.

    All boolean options can be negated. The default value is the opposite
    of that shown above. If the option --disable-foo is listed, then
    the default value for foo is enabled.

Supported targets:
EOF
  show_targets ${all_platforms}
  echo
  exit 1
}

show_targets() {
Johann's avatar
Johann committed
116 117 118 119 120 121 122 123 124 125 126 127 128 129
  while [ -n "$*" ]; do
    if [ "${1%%-*}" = "${2%%-*}" ]; then
      if [ "${2%%-*}" = "${3%%-*}" ]; then
        printf "    %-24s %-24s %-24s\n" "$1" "$2" "$3"
        shift; shift; shift
      else
        printf "    %-24s %-24s\n" "$1" "$2"
        shift; shift
      fi
    else
      printf "    %-24s\n" "$1"
      shift
    fi
  done
John Koleszar's avatar
John Koleszar committed
130 131 132
}

show_help() {
Johann's avatar
Johann committed
133 134
  show_help_pre
  show_help_post
John Koleszar's avatar
John Koleszar committed
135 136 137 138 139 140
}

#
# List Processing Functions
#
set_all(){
Johann's avatar
Johann committed
141 142 143 144 145
  value=$1
  shift
  for var in $*; do
    eval $var=$value
  done
John Koleszar's avatar
John Koleszar committed
146 147 148
}

is_in(){
Johann's avatar
Johann committed
149 150 151 152 153 154
  value=$1
  shift
  for var in $*; do
    [ $var = $value ] && return 0
  done
  return 1
John Koleszar's avatar
John Koleszar committed
155 156 157
}

add_cflags() {
Johann's avatar
Johann committed
158 159
  CFLAGS="${CFLAGS} $@"
  CXXFLAGS="${CXXFLAGS} $@"
John Koleszar's avatar
John Koleszar committed
160 161 162
}

add_cflags_only() {
Johann's avatar
Johann committed
163
  CFLAGS="${CFLAGS} $@"
John Koleszar's avatar
John Koleszar committed
164 165 166
}

add_cxxflags_only() {
Johann's avatar
Johann committed
167
  CXXFLAGS="${CXXFLAGS} $@"
John Koleszar's avatar
John Koleszar committed
168 169 170
}

add_ldflags() {
Johann's avatar
Johann committed
171
  LDFLAGS="${LDFLAGS} $@"
John Koleszar's avatar
John Koleszar committed
172 173 174
}

add_asflags() {
Johann's avatar
Johann committed
175
  ASFLAGS="${ASFLAGS} $@"
John Koleszar's avatar
John Koleszar committed
176 177 178
}

add_extralibs() {
Johann's avatar
Johann committed
179
  extralibs="${extralibs} $@"
John Koleszar's avatar
John Koleszar committed
180 181 182 183 184
}

#
# Boolean Manipulation Functions
#
185
enable_feature(){
Johann's avatar
Johann committed
186
  set_all yes $*
John Koleszar's avatar
John Koleszar committed
187 188
}

189
disable_feature(){
Johann's avatar
Johann committed
190
  set_all no $*
John Koleszar's avatar
John Koleszar committed
191 192 193
}

enabled(){
Johann's avatar
Johann committed
194
  eval test "x\$$1" = "xyes"
John Koleszar's avatar
John Koleszar committed
195 196 197
}

disabled(){
Johann's avatar
Johann committed
198
  eval test "x\$$1" = "xno"
John Koleszar's avatar
John Koleszar committed
199 200 201
}

soft_enable() {
Johann's avatar
Johann committed
202 203 204 205 206 207
  for var in $*; do
    if ! disabled $var; then
      log_echo "  enabling $var"
      enable_feature $var
    fi
  done
John Koleszar's avatar
John Koleszar committed
208 209 210
}

soft_disable() {
Johann's avatar
Johann committed
211 212 213 214 215 216
  for var in $*; do
    if ! enabled $var; then
      log_echo "  disabling $var"
      disable_feature $var
    fi
  done
John Koleszar's avatar
John Koleszar committed
217 218 219 220 221 222
}

#
# Text Processing Functions
#
toupper(){
Johann's avatar
Johann committed
223
  echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
John Koleszar's avatar
John Koleszar committed
224 225 226
}

tolower(){
Johann's avatar
Johann committed
227
  echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
John Koleszar's avatar
John Koleszar committed
228 229 230 231 232 233
}

#
# Temporary File Functions
#
source_path=${0%/*}
234
enable_feature source_path_used
235
if [ -z "$source_path" ] || [ "$source_path" = "." ]; then
Johann's avatar
Johann committed
236 237
  source_path="`pwd`"
  disable_feature source_path_used
John Koleszar's avatar
John Koleszar committed
238 239 240
fi

if test ! -z "$TMPDIR" ; then
Johann's avatar
Johann committed
241
  TMPDIRx="${TMPDIR}"
John Koleszar's avatar
John Koleszar committed
242
elif test ! -z "$TEMPDIR" ; then
Johann's avatar
Johann committed
243
  TMPDIRx="${TEMPDIR}"
John Koleszar's avatar
John Koleszar committed
244
else
Johann's avatar
Johann committed
245
  TMPDIRx="/tmp"
John Koleszar's avatar
John Koleszar committed
246
fi
247 248 249 250 251 252 253
RAND=$(awk 'BEGIN { srand(); printf "%d\n",(rand() * 32768)}')
TMP_H="${TMPDIRx}/vpx-conf-$$-${RAND}.h"
TMP_C="${TMPDIRx}/vpx-conf-$$-${RAND}.c"
TMP_CC="${TMPDIRx}/vpx-conf-$$-${RAND}.cc"
TMP_O="${TMPDIRx}/vpx-conf-$$-${RAND}.o"
TMP_X="${TMPDIRx}/vpx-conf-$$-${RAND}.x"
TMP_ASM="${TMPDIRx}/vpx-conf-$$-${RAND}.asm"
John Koleszar's avatar
John Koleszar committed
254 255

clean_temp_files() {
Johann's avatar
Johann committed
256 257
  rm -f ${TMP_C} ${TMP_CC} ${TMP_H} ${TMP_O} ${TMP_X} ${TMP_ASM}
  enabled gcov && rm -f ${TMP_C%.c}.gcno ${TMP_CC%.cc}.gcno
John Koleszar's avatar
John Koleszar committed
258 259 260 261 262 263
}

#
# Toolchain Check Functions
#
check_cmd() {
Johann's avatar
Johann committed
264 265 266
  enabled external_build && return
  log "$@"
  "$@" >>${logfile} 2>&1
John Koleszar's avatar
John Koleszar committed
267 268 269
}

check_cc() {
Johann's avatar
Johann committed
270 271 272 273
  log check_cc "$@"
  cat >${TMP_C}
  log_file ${TMP_C}
  check_cmd ${CC} ${CFLAGS} "$@" -c -o ${TMP_O} ${TMP_C}
John Koleszar's avatar
John Koleszar committed
274 275
}

John Koleszar's avatar
John Koleszar committed
276
check_cxx() {
Johann's avatar
Johann committed
277 278 279 280
  log check_cxx "$@"
  cat >${TMP_CC}
  log_file ${TMP_CC}
  check_cmd ${CXX} ${CXXFLAGS} "$@" -c -o ${TMP_O} ${TMP_CC}
John Koleszar's avatar
John Koleszar committed
281 282
}

John Koleszar's avatar
John Koleszar committed
283
check_cpp() {
Johann's avatar
Johann committed
284 285 286 287
  log check_cpp "$@"
  cat > ${TMP_C}
  log_file ${TMP_C}
  check_cmd ${CC} ${CFLAGS} "$@" -E -o ${TMP_O} ${TMP_C}
John Koleszar's avatar
John Koleszar committed
288 289 290
}

check_ld() {
Johann's avatar
Johann committed
291 292 293
  log check_ld "$@"
  check_cc $@ \
    && check_cmd ${LD} ${LDFLAGS} "$@" -o ${TMP_X} ${TMP_O} ${extralibs}
John Koleszar's avatar
John Koleszar committed
294 295 296
}

check_header(){
Johann's avatar
Johann committed
297 298 299 300 301 302
  log check_header "$@"
  header=$1
  shift
  var=`echo $header | sed 's/[^A-Za-z0-9_]/_/g'`
  disable_feature $var
  check_cpp "$@" <<EOF && enable_feature $var
John Koleszar's avatar
John Koleszar committed
303 304 305 306 307 308
#include "$header"
int x;
EOF
}

check_cflags() {
Johann's avatar
Johann committed
309 310
 log check_cflags "$@"
 check_cc -Werror "$@" <<EOF
John Koleszar's avatar
John Koleszar committed
311 312 313 314
int x;
EOF
}

John Koleszar's avatar
John Koleszar committed
315
check_cxxflags() {
Johann's avatar
Johann committed
316
  log check_cxxflags "$@"
John Koleszar's avatar
John Koleszar committed
317

Johann's avatar
Johann committed
318 319 320 321
  # Catch CFLAGS that trigger CXX warnings
  case "$CXX" in
    *c++-analyzer|*clang++|*g++*)
      check_cxx -Werror "$@" <<EOF
John Koleszar's avatar
John Koleszar committed
322 323 324
int x;
EOF
      ;;
Johann's avatar
Johann committed
325 326
    *)
      check_cxx -Werror "$@" <<EOF
John Koleszar's avatar
John Koleszar committed
327 328 329 330 331 332
int x;
EOF
      ;;
    esac
}

John Koleszar's avatar
John Koleszar committed
333
check_add_cflags() {
Johann's avatar
Johann committed
334 335
  check_cxxflags "$@" && add_cxxflags_only "$@"
  check_cflags "$@" && add_cflags_only "$@"
John Koleszar's avatar
John Koleszar committed
336 337 338
}

check_add_asflags() {
Johann's avatar
Johann committed
339 340
  log add_asflags "$@"
  add_asflags "$@"
John Koleszar's avatar
John Koleszar committed
341 342 343
}

check_add_ldflags() {
Johann's avatar
Johann committed
344 345
  log add_ldflags "$@"
  add_ldflags "$@"
John Koleszar's avatar
John Koleszar committed
346 347
}

Jan Kratochvil's avatar
Jan Kratochvil committed
348
check_asm_align() {
Johann's avatar
Johann committed
349 350
  log check_asm_align "$@"
  cat >${TMP_ASM} <<EOF
Jan Kratochvil's avatar
Jan Kratochvil committed
351 352 353
section .rodata
align 16
EOF
Johann's avatar
Johann committed
354 355 356 357 358 359 360
  log_file ${TMP_ASM}
  check_cmd ${AS} ${ASFLAGS} -o ${TMP_O} ${TMP_ASM}
  readelf -WS ${TMP_O} >${TMP_X}
  log_file ${TMP_X}
  if ! grep -q '\.rodata .* 16$' ${TMP_X}; then
    die "${AS} ${ASFLAGS} does not support section alignment (nasm <=2.08?)"
  fi
Jan Kratochvil's avatar
Jan Kratochvil committed
361 362
}

363 364
# tests for -m$1 toggling the feature given in $2. If $2 is empty $1 is used.
check_gcc_machine_option() {
Johann's avatar
Johann committed
365 366 367 368 369 370 371 372 373
  opt="$1"
  feature="$2"
  [ -n "$feature" ] || feature="$opt"

  if enabled gcc && ! disabled "$feature" && ! check_cflags "-m$opt"; then
    RTCD_OPTIONS="${RTCD_OPTIONS}--disable-$feature "
  else
    soft_enable "$feature"
  fi
374 375
}

John Koleszar's avatar
John Koleszar committed
376
write_common_config_banner() {
Johann's avatar
Johann committed
377 378 379
  print_webm_license config.mk "##" ""
  echo '# This file automatically generated by configure. Do not edit!' >> config.mk
  echo "TOOLCHAIN := ${toolchain}" >> config.mk
John Koleszar's avatar
John Koleszar committed
380

Johann's avatar
Johann committed
381 382 383 384 385
  case ${toolchain} in
    *-linux-rvct)
      echo "ALT_LIBC := ${alt_libc}" >> config.mk
      ;;
  esac
John Koleszar's avatar
John Koleszar committed
386 387 388
}

write_common_config_targets() {
Johann's avatar
Johann committed
389 390 391 392 393 394 395 396
  for t in ${all_targets}; do
    if enabled ${t}; then
      if enabled universal || enabled child; then
        fwrite config.mk "ALL_TARGETS += ${t}-${toolchain}"
      else
        fwrite config.mk "ALL_TARGETS += ${t}"
      fi
    fi
John Koleszar's avatar
John Koleszar committed
397
    true;
Johann's avatar
Johann committed
398 399
  done
  true
John Koleszar's avatar
John Koleszar committed
400 401 402
}

write_common_target_config_mk() {
Johann's avatar
Johann committed
403 404 405 406 407
  saved_CC="${CC}"
  saved_CXX="${CXX}"
  enabled ccache && CC="ccache ${CC}"
  enabled ccache && CXX="ccache ${CXX}"
  print_webm_license $1 "##" ""
John Koleszar's avatar
John Koleszar committed
408

Johann's avatar
Johann committed
409
  cat >> $1 << EOF
John Koleszar's avatar
John Koleszar committed
410 411 412 413 414 415
# This file automatically generated by configure. Do not edit!
SRC_PATH="$source_path"
SRC_PATH_BARE=$source_path
BUILD_PFX=${BUILD_PFX}
TOOLCHAIN=${toolchain}
ASM_CONVERSION=${asm_conversion_cmd:-${source_path}/build/make/ads2gas.pl}
416
GEN_VCPROJ=${gen_vcproj_cmd}
417
MSVS_ARCH_DIR=${msvs_arch_dir}
John Koleszar's avatar
John Koleszar committed
418 419

CC=${CC}
John Koleszar's avatar
John Koleszar committed
420
CXX=${CXX}
John Koleszar's avatar
John Koleszar committed
421 422 423 424 425 426
AR=${AR}
LD=${LD}
AS=${AS}
STRIP=${STRIP}
NM=${NM}

427
CFLAGS  = ${CFLAGS}
John Koleszar's avatar
John Koleszar committed
428
CXXFLAGS  = ${CXXFLAGS}
John Koleszar's avatar
John Koleszar committed
429 430 431 432 433
ARFLAGS = -rus\$(if \$(quiet),c,v)
LDFLAGS = ${LDFLAGS}
ASFLAGS = ${ASFLAGS}
extralibs = ${extralibs}
AS_SFX    = ${AS_SFX:-.asm}
John Koleszar's avatar
John Koleszar committed
434
EXE_SFX   = ${EXE_SFX}
435
VCPROJ_SFX = ${VCPROJ_SFX}
436
RTCD_OPTIONS = ${RTCD_OPTIONS}
John Koleszar's avatar
John Koleszar committed
437 438
EOF

Johann's avatar
Johann committed
439
  if enabled rvct; then cat >> $1 << EOF
440
fmt_deps = sed -e 's;^__image.axf;\${@:.d=.o} \$@;' #hide
John Koleszar's avatar
John Koleszar committed
441
EOF
Johann's avatar
Johann committed
442
  else cat >> $1 << EOF
443
fmt_deps = sed -e 's;^\([a-zA-Z0-9_]*\)\.o;\${@:.d=.o} \$@;'
John Koleszar's avatar
John Koleszar committed
444
EOF
Johann's avatar
Johann committed
445
  fi
John Koleszar's avatar
John Koleszar committed
446

Johann's avatar
Johann committed
447 448 449 450
  print_config_mk ARCH   "${1}" ${ARCH_LIST}
  print_config_mk HAVE   "${1}" ${HAVE_LIST}
  print_config_mk CONFIG "${1}" ${CONFIG_LIST}
  print_config_mk HAVE   "${1}" gnu_strip
John Koleszar's avatar
John Koleszar committed
451

Johann's avatar
Johann committed
452
  enabled msvs && echo "CONFIG_VS_VERSION=${vs_version}" >> "${1}"
John Koleszar's avatar
John Koleszar committed
453

Johann's avatar
Johann committed
454 455
  CC="${saved_CC}"
  CXX="${saved_CXX}"
John Koleszar's avatar
John Koleszar committed
456 457 458
}

write_common_target_config_h() {
Johann's avatar
Johann committed
459 460
  print_webm_license ${TMP_H} "/*" " */"
  cat >> ${TMP_H} << EOF
John Koleszar's avatar
John Koleszar committed
461
/* This file automatically generated by configure. Do not edit! */
462 463
#ifndef VPX_CONFIG_H
#define VPX_CONFIG_H
John Koleszar's avatar
John Koleszar committed
464
#define RESTRICT    ${RESTRICT}
465
#define INLINE      ${INLINE}
John Koleszar's avatar
John Koleszar committed
466
EOF
Johann's avatar
Johann committed
467 468 469 470 471 472 473
  print_config_h ARCH   "${TMP_H}" ${ARCH_LIST}
  print_config_h HAVE   "${TMP_H}" ${HAVE_LIST}
  print_config_h CONFIG "${TMP_H}" ${CONFIG_LIST}
  print_config_vars_h   "${TMP_H}" ${VAR_LIST}
  echo "#endif /* VPX_CONFIG_H */" >> ${TMP_H}
  mkdir -p `dirname "$1"`
  cmp "$1" ${TMP_H} >/dev/null 2>&1 || mv ${TMP_H} "$1"
John Koleszar's avatar
John Koleszar committed
474 475 476
}

process_common_cmdline() {
Johann's avatar
Johann committed
477 478 479 480 481
  for opt in "$@"; do
    optval="${opt#*=}"
    case "$opt" in
      --child)
        enable_feature child
John Koleszar's avatar
John Koleszar committed
482
        ;;
Johann's avatar
Johann committed
483
      --log*)
John Koleszar's avatar
John Koleszar committed
484 485
        logging="$optval"
        if ! disabled logging ; then
Johann's avatar
Johann committed
486
          enabled logging || logfile="$logging"
John Koleszar's avatar
John Koleszar committed
487
        else
Johann's avatar
Johann committed
488
          logfile=/dev/null
John Koleszar's avatar
John Koleszar committed
489 490
        fi
        ;;
Johann's avatar
Johann committed
491 492
      --target=*)
        toolchain="${toolchain:-${optval}}"
John Koleszar's avatar
John Koleszar committed
493
        ;;
Johann's avatar
Johann committed
494 495 496
      --force-target=*)
        toolchain="${toolchain:-${optval}}"
        enable_feature force_toolchain
John Koleszar's avatar
John Koleszar committed
497
        ;;
Johann's avatar
Johann committed
498 499
      --cpu=*)
        tune_cpu="$optval"
John Koleszar's avatar
John Koleszar committed
500
        ;;
Johann's avatar
Johann committed
501
      --extra-cflags=*)
Attila Nagy's avatar
Attila Nagy committed
502 503
        extra_cflags="${optval}"
        ;;
Johann's avatar
Johann committed
504
      --enable-?*|--disable-?*)
John Koleszar's avatar
John Koleszar committed
505
        eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
506
        if echo "${ARCH_EXT_LIST}" | grep "^ *$option\$" >/dev/null; then
Johann's avatar
Johann committed
507
          [ $action = "disable" ] && RTCD_OPTIONS="${RTCD_OPTIONS}--disable-${option} "
John Koleszar's avatar
John Koleszar committed
508 509 510 511 512 513
        elif [ $action = "disable" ] && ! disabled $option ; then
          echo "${CMDLINE_SELECT}" | grep "^ *$option\$" >/dev/null ||
            die_unknown $opt
        elif [ $action = "enable" ] && ! enabled $option ; then
          echo "${CMDLINE_SELECT}" | grep "^ *$option\$" >/dev/null ||
            die_unknown $opt
514
        fi
James Zern's avatar
James Zern committed
515
        ${action}_feature $option
516
        ;;
Johann's avatar
Johann committed
517
      --require-?*)
518 519 520 521 522 523
        eval `echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g'`
        if echo "${ARCH_EXT_LIST}" none | grep "^ *$option\$" >/dev/null; then
            RTCD_OPTIONS="${RTCD_OPTIONS}${opt} "
        else
            die_unknown $opt
        fi
John Koleszar's avatar
John Koleszar committed
524
        ;;
Johann's avatar
Johann committed
525
      --force-enable-?*|--force-disable-?*)
John Koleszar's avatar
John Koleszar committed
526
        eval `echo "$opt" | sed 's/--force-/action=/;s/-/ option=/;s/-/_/g'`
James Zern's avatar
James Zern committed
527
        ${action}_feature $option
John Koleszar's avatar
John Koleszar committed
528
        ;;
Johann's avatar
Johann committed
529
      --libc=*)
John Koleszar's avatar
John Koleszar committed
530
        [ -d "${optval}" ] || die "Not a directory: ${optval}"
531
        disable_feature builtin_libc
John Koleszar's avatar
John Koleszar committed
532 533
        alt_libc="${optval}"
        ;;
Johann's avatar
Johann committed
534
      --as=*)
535
        [ "${optval}" = yasm ] || [ "${optval}" = nasm ] \
Johann's avatar
Johann committed
536 537
          || [ "${optval}" = auto ] \
          || die "Must be yasm, nasm or auto: ${optval}"
Jan Kratochvil's avatar
Jan Kratochvil committed
538 539
        alt_as="${optval}"
        ;;
Johann's avatar
Johann committed
540
      --size-limit=*)
541 542 543
        w="${optval%%x*}"
        h="${optval##*x}"
        VAR_LIST="DECODE_WIDTH_LIMIT ${w} DECODE_HEIGHT_LIMIT ${h}"
544 545
        [ ${w} -gt 0 ] && [ ${h} -gt 0 ] || die "Invalid size-limit: too small."
        [ ${w} -lt 65536 ] && [ ${h} -lt 65536 ] \
546 547 548
            || die "Invalid size-limit: too big."
        enable_feature size_limit
        ;;
Johann's avatar
Johann committed
549
      --prefix=*)
550 551
        prefix="${optval}"
        ;;
Johann's avatar
Johann committed
552
      --libdir=*)
553 554
        libdir="${optval}"
        ;;
Johann's avatar
Johann committed
555
      --sdk-path=*)
John Koleszar's avatar
John Koleszar committed
556 557 558
        [ -d "${optval}" ] || die "Not a directory: ${optval}"
        sdk_path="${optval}"
        ;;
Johann's avatar
Johann committed
559
      --libc|--as|--prefix|--libdir|--sdk-path)
John Koleszar's avatar
John Koleszar committed
560 561
        die "Option ${opt} requires argument"
        ;;
Johann's avatar
Johann committed
562 563
      --help|-h)
        show_help
John Koleszar's avatar
John Koleszar committed
564
        ;;
Johann's avatar
Johann committed
565 566
      *)
        die_unknown $opt
John Koleszar's avatar
John Koleszar committed
567
        ;;
Johann's avatar
Johann committed
568 569
    esac
  done
John Koleszar's avatar
John Koleszar committed
570 571 572
}

process_cmdline() {
Johann's avatar
Johann committed
573 574 575 576 577
  for opt do
    optval="${opt#*=}"
    case "$opt" in
      *)
        process_common_cmdline $opt
John Koleszar's avatar
John Koleszar committed
578
        ;;
Johann's avatar
Johann committed
579 580
    esac
  done
John Koleszar's avatar
John Koleszar committed
581 582
}

583
post_process_common_cmdline() {
Johann's avatar
Johann committed
584 585 586 587 588 589 590
  prefix="${prefix:-/usr/local}"
  prefix="${prefix%/}"
  libdir="${libdir:-${prefix}/lib}"
  libdir="${libdir%/}"
  if [ "${libdir#${prefix}}" = "${libdir}" ]; then
    die "Libdir ${libdir} must be a subdirectory of ${prefix}"
  fi
591 592
}

John Koleszar's avatar
John Koleszar committed
593
post_process_cmdline() {
Johann's avatar
Johann committed
594
  true;
John Koleszar's avatar
John Koleszar committed
595 596 597
}

setup_gnu_toolchain() {
Johann's avatar
Johann committed
598 599 600 601 602 603 604 605 606
  CC=${CC:-${CROSS}gcc}
  CXX=${CXX:-${CROSS}g++}
  AR=${AR:-${CROSS}ar}
  LD=${LD:-${CROSS}${link_with_cc:-ld}}
  AS=${AS:-${CROSS}as}
  STRIP=${STRIP:-${CROSS}strip}
  NM=${NM:-${CROSS}nm}
  AS_SFX=.s
  EXE_SFX=
John Koleszar's avatar
John Koleszar committed
607 608 609
}

process_common_toolchain() {
Johann's avatar
Johann committed
610 611
  if [ -z "$toolchain" ]; then
    gcctarget="${CHOST:-$(gcc -dumpmachine 2> /dev/null)}"
612

Johann's avatar
Johann committed
613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641
    # detect tgt_isa
    case "$gcctarget" in
      armv6*)
        tgt_isa=armv6
        ;;
      armv7*-hardfloat*)
        tgt_isa=armv7
        float_abi=hard
        ;;
      armv7*)
        tgt_isa=armv7
        float_abi=softfp
        ;;
      *x86_64*|*amd64*)
        tgt_isa=x86_64
        ;;
      *i[3456]86*)
        tgt_isa=x86
        ;;
      *powerpc64*)
        tgt_isa=ppc64
        ;;
      *powerpc*)
        tgt_isa=ppc32
        ;;
      *sparc*)
        tgt_isa=sparc
        ;;
    esac
John Koleszar's avatar
John Koleszar committed
642

Johann's avatar
Johann committed
643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685
    # detect tgt_os
    case "$gcctarget" in
      *darwin8*)
        tgt_isa=universal
        tgt_os=darwin8
        ;;
      *darwin9*)
        tgt_isa=universal
        tgt_os=darwin9
        ;;
      *darwin10*)
        tgt_isa=x86_64
        tgt_os=darwin10
        ;;
      *darwin11*)
        tgt_isa=x86_64
        tgt_os=darwin11
        ;;
      *darwin12*)
        tgt_isa=x86_64
        tgt_os=darwin12
        ;;
      *darwin13*)
        tgt_isa=x86_64
        tgt_os=darwin13
        ;;
      x86_64*mingw32*)
        tgt_os=win64
        ;;
      *mingw32*|*cygwin*)
        [ -z "$tgt_isa" ] && tgt_isa=x86
        tgt_os=win32
        ;;
      *linux*|*bsd*)
        tgt_os=linux
        ;;
      *solaris2.10)
        tgt_os=solaris
        ;;
      *os2*)
        tgt_os=os2
        ;;
    esac
John Koleszar's avatar
John Koleszar committed
686

Johann's avatar
Johann committed
687 688 689 690
    if [ -n "$tgt_isa" ] && [ -n "$tgt_os" ]; then
      toolchain=${tgt_isa}-${tgt_os}-gcc
    fi
  fi
John Koleszar's avatar
John Koleszar committed
691

Johann's avatar
Johann committed
692
  toolchain=${toolchain:-generic-gnu}
John Koleszar's avatar
John Koleszar committed
693

Johann's avatar
Johann committed
694 695
  is_in ${toolchain} ${all_platforms} || enabled force_toolchain \
    || die "Unrecognized toolchain '${toolchain}'"
John Koleszar's avatar
John Koleszar committed
696

Johann's avatar
Johann committed
697
  enabled child || log_echo "Configuring for target '${toolchain}'"
John Koleszar's avatar
John Koleszar committed
698

Johann's avatar
Johann committed
699 700 701 702 703 704
  #
  # Set up toolchain variables
  #
  tgt_isa=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $1}')
  tgt_os=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $2}')
  tgt_cc=$(echo ${toolchain} | awk 'BEGIN{FS="-"}{print $3}')
705

Johann's avatar
Johann committed
706 707 708 709
  # Mark the specific ISA requested as enabled
  soft_enable ${tgt_isa}
  enable_feature ${tgt_os}
  enable_feature ${tgt_cc}
710

Johann's avatar
Johann committed
711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746
  # Enable the architecture family
  case ${tgt_isa} in
    arm*)
      enable_feature arm
      ;;
    mips*)
      enable_feature mips
      ;;
  esac

  # PIC is probably what we want when building shared libs
  enabled shared && soft_enable pic

  # Minimum iOS version for all target platforms (darwin and iphonesimulator).
  IOS_VERSION_MIN="6.0"

  # Handle darwin variants. Newer SDKs allow targeting older
  # platforms, so find the newest SDK available.
  case ${toolchain} in
    *-darwin*)
      if [ -z "${DEVELOPER_DIR}" ]; then
        DEVELOPER_DIR=`xcode-select -print-path 2> /dev/null`
        [ $? -ne 0 ] && OSX_SKIP_DIR_CHECK=1
      fi
      if [ -z "${OSX_SKIP_DIR_CHECK}" ]; then
        OSX_SDK_ROOTS="${DEVELOPER_DIR}/SDKs"
        OSX_SDK_VERSIONS="MacOSX10.4u.sdk MacOSX10.5.sdk MacOSX10.6.sdk"
        OSX_SDK_VERSIONS="${OSX_SDK_VERSIONS} MacOSX10.7.sdk"
        for v in ${OSX_SDK_VERSIONS}; do
          if [ -d "${OSX_SDK_ROOTS}/${v}" ]; then
            osx_sdk_dir="${OSX_SDK_ROOTS}/${v}"
          fi
        done
      fi
      ;;
  esac
John Koleszar's avatar
John Koleszar committed
747

Johann's avatar
Johann committed
748 749 750 751
  if [ -d "${osx_sdk_dir}" ]; then
    add_cflags  "-isysroot ${osx_sdk_dir}"
    add_ldflags "-isysroot ${osx_sdk_dir}"
  fi
John Koleszar's avatar
John Koleszar committed
752

Johann's avatar
Johann committed
753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785
  case ${toolchain} in
    *-darwin8-*)
      add_cflags  "-mmacosx-version-min=10.4"
      add_ldflags "-mmacosx-version-min=10.4"
      ;;
    *-darwin9-*)
      add_cflags  "-mmacosx-version-min=10.5"
      add_ldflags "-mmacosx-version-min=10.5"
      ;;
    *-darwin10-*)
      add_cflags  "-mmacosx-version-min=10.6"
      add_ldflags "-mmacosx-version-min=10.6"
      ;;
    *-darwin11-*)
      add_cflags  "-mmacosx-version-min=10.7"
      add_ldflags "-mmacosx-version-min=10.7"
      ;;
    *-darwin12-*)
      add_cflags  "-mmacosx-version-min=10.8"
      add_ldflags "-mmacosx-version-min=10.8"
      ;;
    *-darwin13-*)
      add_cflags  "-mmacosx-version-min=10.9"
      add_ldflags "-mmacosx-version-min=10.9"
      ;;
    *-iphonesimulator-*)
      add_cflags  "-miphoneos-version-min=${IOS_VERSION_MIN}"
      add_ldflags "-miphoneos-version-min=${IOS_VERSION_MIN}"
      osx_sdk_dir="$(xcrun --sdk iphonesimulator --show-sdk-path)"
      add_cflags  "-isysroot ${osx_sdk_dir}"
      add_ldflags "-isysroot ${osx_sdk_dir}"
      ;;
  esac
John Koleszar's avatar
John Koleszar committed
786

Johann's avatar
Johann committed
787 788 789 790 791 792 793 794 795 796
  # Handle Solaris variants. Solaris 10 needs -lposix4
  case ${toolchain} in
    sparc-solaris-*)
      add_extralibs -lposix4
      disable_feature fast_unaligned
      ;;
    *-solaris-*)
      add_extralibs -lposix4
      ;;
  esac
797

Johann's avatar
Johann committed
798 799
  # Process ARM architecture variants
  case ${toolchain} in
John Koleszar's avatar
John Koleszar committed
800
    arm*)
Johann's avatar
Johann committed
801 802
      # on arm, isa versions are supersets
      case ${tgt_isa} in
Tom Finegan's avatar
Tom Finegan committed
803
        arm64|armv8)
Johann's avatar
Johann committed
804 805
          soft_enable neon
          ;;
Tom Finegan's avatar
Tom Finegan committed
806
        armv7|armv7s)
Johann's avatar
Johann committed
807
          soft_enable neon
808 809 810 811 812 813
          # Only enable neon_asm when neon is also enabled.
          enabled neon && soft_enable neon_asm
          # If someone tries to force it through, die.
          if disabled neon && enabled neon_asm; then
            die "Disabling neon while keeping neon-asm is not supported"
          fi
Johann's avatar
Johann committed
814 815 816
          soft_enable media
          soft_enable fast_unaligned
          ;;
John Koleszar's avatar
John Koleszar committed
817
        armv6)
Johann's avatar
Johann committed
818 819 820 821
          soft_enable media
          soft_enable fast_unaligned
          ;;
      esac
John Koleszar's avatar
John Koleszar committed
822

Johann's avatar
Johann committed
823
      asm_conversion_cmd="cat"
John Koleszar's avatar
John Koleszar committed
824

Johann's avatar
Johann committed
825
      case ${tgt_cc} in
John Koleszar's avatar
John Koleszar committed
826
        gcc)
Johann's avatar
Johann committed
827 828 829 830 831 832 833 834 835 836
          CROSS=${CROSS:-arm-none-linux-gnueabi-}
          link_with_cc=gcc
          setup_gnu_toolchain
          arch_int=${tgt_isa##armv}
          arch_int=${arch_int%%te}
          check_add_asflags --defsym ARCHITECTURE=${arch_int}
          tune_cflags="-mtune="
          if [ ${tgt_isa} = "armv7" ] || [ ${tgt_isa} = "armv7s" ]; then
            if [ -z "${float_abi}" ]; then
              check_cpp <<EOF && float_abi=hard || float_abi=softfp
837 838 839 840
#ifndef __ARM_PCS_VFP
#error "not hardfp"
#endif
EOF
John Koleszar's avatar
John Koleszar committed
841
            fi
Johann's avatar
Johann committed
842 843
            check_add_cflags  -march=armv7-a -mfloat-abi=${float_abi}
            check_add_asflags -march=armv7-a -mfloat-abi=${float_abi}
John Koleszar's avatar
John Koleszar committed
844

Johann's avatar
Johann committed
845 846 847
            if enabled neon || enabled neon_asm; then
              check_add_cflags -mfpu=neon #-ftree-vectorize
              check_add_asflags -mfpu=neon
848
            fi
Johann's avatar
Johann committed
849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875
          else
            check_add_cflags -march=${tgt_isa}
            check_add_asflags -march=${tgt_isa}
          fi

          enabled debug && add_asflags -g
          asm_conversion_cmd="${source_path}/build/make/ads2gas.pl"
          if enabled thumb; then
            asm_conversion_cmd="$asm_conversion_cmd -thumb"
            check_add_cflags -mthumb
            check_add_asflags -mthumb -mimplicit-it=always
          fi
          ;;
        vs*)
          asm_conversion_cmd="${source_path}/build/make/ads2armasm_ms.pl"
          AS_SFX=.s
          msvs_arch_dir=arm-msvs
          disable_feature multithread
          disable_feature unit_tests
          vs_version=${tgt_cc##vs}
          if [ $vs_version -ge 12 ]; then
            # MSVC 2013 doesn't allow doing plain .exe projects for ARM,
            # only "AppContainerApplication" which requires an AppxManifest.
            # Therefore disable the examples, just build the library.
            disable_feature examples
          fi
          ;;
John Koleszar's avatar
John Koleszar committed
876
        rvct)
Johann's avatar
Johann committed
877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896
          CC=armcc
          AR=armar
          AS=armasm
          LD="${source_path}/build/make/armlink_adapter.sh"
          STRIP=arm-none-linux-gnueabi-strip
          NM=arm-none-linux-gnueabi-nm
          tune_cflags="--cpu="
          tune_asflags="--cpu="
          if [ -z "${tune_cpu}" ]; then
            if [ ${tgt_isa} = "armv7" ]; then
              if enabled neon || enabled neon_asm
              then
                check_add_cflags --fpu=softvfp+vfpv3
                check_add_asflags --fpu=softvfp+vfpv3
              fi
              check_add_cflags --cpu=Cortex-A8
              check_add_asflags --cpu=Cortex-A8
            else
              check_add_cflags --cpu=${tgt_isa##armv}
              check_add_asflags --cpu=${tgt_isa##armv}
John Koleszar's avatar
John Koleszar committed
897
            fi
Johann's avatar
Johann committed
898 899 900 901 902 903 904 905 906 907
          fi
          arch_int=${tgt_isa##armv}
          arch_int=${arch_int%%te}
          check_add_asflags --pd "\"ARCHITECTURE SETA ${arch_int}\""
          enabled debug && add_asflags -g
          add_cflags --gnu
          add_cflags --enum_is_int
          add_cflags --wchar32
          ;;
      esac
John Koleszar's avatar
John Koleszar committed
908

Johann's avatar
Johann committed
909
      case ${tgt_os} in
910
        none*)
Johann's avatar
Johann committed
911 912 913
          disable_feature multithread
          disable_feature os_support
          ;;
John Koleszar's avatar
John Koleszar committed
914 915

        android*)
Johann's avatar
Johann committed
916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951
          SDK_PATH=${sdk_path}
          COMPILER_LOCATION=`find "${SDK_PATH}" \
                             -name "arm-linux-androideabi-gcc*" -print -quit`
          TOOLCHAIN_PATH=${COMPILER_LOCATION%/*}/arm-linux-androideabi-
          CC=${TOOLCHAIN_PATH}gcc
          CXX=${TOOLCHAIN_PATH}g++
          AR=${TOOLCHAIN_PATH}ar
          LD=${TOOLCHAIN_PATH}gcc
          AS=${TOOLCHAIN_PATH}as
          STRIP=${TOOLCHAIN_PATH}strip
          NM=${TOOLCHAIN_PATH}nm

          if [ -z "${alt_libc}" ]; then
            alt_libc=`find "${SDK_PATH}" -name arch-arm -print | \
              awk '{n = split($0,a,"/"); \
                split(a[n-1],b,"-"); \
                print $0 " " b[2]}' | \
                sort -g -k 2 | \
                awk '{ print $1 }' | tail -1`
          fi

          add_cflags "--sysroot=${alt_libc}"
          add_ldflags "--sysroot=${alt_libc}"

          # linker flag that routes around a CPU bug in some
          # Cortex-A8 implementations (NDK Dev Guide)
          add_ldflags "-Wl,--fix-cortex-a8"

          enable_feature pic
          soft_enable realtime_only
          if [ ${tgt_isa} = "armv7" ]; then
            soft_enable runtime_cpu_detect
          fi
          if enabled runtime_cpu_detect; then
            add_cflags "-I${SDK_PATH}/sources/android/cpufeatures"
          fi
John Koleszar's avatar
John Koleszar committed
952 953
          ;;

John Koleszar's avatar
John Koleszar committed
954
        darwin*)
Johann's avatar
Johann committed
955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998
          XCRUN_FIND="xcrun --sdk iphoneos -find"
          CXX="$(${XCRUN_FIND} clang++)"
          CC="$(${XCRUN_FIND} clang)"
          AR="$(${XCRUN_FIND} ar)"
          AS="$(${XCRUN_FIND} as)"
          STRIP="$(${XCRUN_FIND} strip)"
          NM="$(${XCRUN_FIND} nm)"
          RANLIB="$(${XCRUN_FIND} ranlib)"
          AS_SFX=.s

          # Special handling of ld for armv6 because libclang_rt.ios.a does
          # not contain armv6 support in Apple's clang package:
          #   Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn).
          # TODO(tomfinegan): Remove this. Our minimum iOS version (6.0)
          # renders support for armv6 unnecessary because the 3GS and up
          # support neon.
          if [ "${tgt_isa}" = "armv6" ]; then
            LD="$(${XCRUN_FIND} ld)"
          else
            LD="${CXX:-$(${XCRUN_FIND} ld)}"
          fi

          # ASFLAGS is written here instead of using check_add_asflags
          # because we need to overwrite all of ASFLAGS and purge the
          # options that were put in above
          ASFLAGS="-arch ${tgt_isa} -g"

          alt_libc="$(xcrun --sdk iphoneos --show-sdk-path)"
          add_cflags -arch ${tgt_isa} -isysroot ${alt_libc}
          add_ldflags -arch ${tgt_isa}

          if [ "${LD}" = "${CXX}" ]; then
            add_ldflags -miphoneos-version-min="${IOS_VERSION_MIN}"
          else
            add_ldflags -ios_version_min "${IOS_VERSION_MIN}"
          fi

          for d in lib usr/lib usr/lib/system; do
            try_dir="${alt_libc}/${d}"
            [ -d "${try_dir}" ] && add_ldflags -L"${try_dir}"
          done

          asm_conversion_cmd="${source_path}/build/make/ads2gas_apple.pl"
          ;;
John Koleszar's avatar
John Koleszar committed
999 1000

        linux*)
Johann's avatar
Johann committed
1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
          enable_feature linux
          if enabled rvct; then
            # Check if we have CodeSourcery GCC in PATH. Needed for
            # libraries
            hash arm-none-linux-gnueabi-gcc 2>&- || \
              die "Couldn't find CodeSourcery GCC from PATH"

            # Use armcc as a linker to enable translation of
            # some gcc specific options such as -lm and -lpthread.
            LD="armcc --translate_gcc"

            # create configuration file (uses path to CodeSourcery GCC)
            armcc --arm_linux_configure --arm_linux_config_file=arm_linux.cfg

            add_cflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg
            add_asflags --no_hide_all --apcs=/interwork
            add_ldflags --arm_linux_paths --arm_linux_config_file=arm_linux.cfg
            enabled pic && add_cflags --apcs=/fpic
            enabled pic && add_asflags --apcs=/fpic
            enabled shared && add_cflags --shared
          fi
          ;;
      esac
      ;;
John Koleszar's avatar
John Koleszar committed
1025
    mips*)
Johann's avatar
Johann committed
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036
      link_with_cc=gcc
      setup_gnu_toolchain
      tune_cflags="-mtune="
      if enabled dspr2; then
        check_add_cflags -mips32r2 -mdspr2
        disable_feature fast_unaligned
      fi
      check_add_cflags -march=${tgt_isa}
      check_add_asflags -march=${tgt_isa}
      check_add_asflags -KPIC
      ;;
John Koleszar's avatar
John Koleszar committed
1037
    ppc*)
Johann's avatar
Johann committed
1038 1039 1040 1041 1042 1043 1044 1045 1046
      enable_feature ppc
      bits=${tgt_isa##ppc}
      link_with_cc=gcc
      setup_gnu_toolchain
      add_asflags -force_cpusubtype_ALL -I"\$(dir \$<)darwin"
      soft_enable altivec
      enabled altivec && add_cflags -maltivec

      case "$tgt_os" in
John Koleszar's avatar
John Koleszar committed
1047
        linux*)
Johann's avatar
Johann committed
1048 1049
          add_asflags -maltivec -mregnames -I"\$(dir \$<)linux"
          ;;
John Koleszar's avatar
John Koleszar committed
1050
        darwin*)
Johann's avatar
Johann committed
1051 1052 1053 1054 1055 1056 1057 1058 1059
          darwin_arch="-arch ppc"
          enabled ppc64 && darwin_arch="${darwin_arch}64"
          add_cflags  ${darwin_arch} -m${bits} -fasm-blocks
          add_asflags ${darwin_arch} -force_cpusubtype_ALL -I"\$(dir \$<)darwin"
          add_ldflags ${darwin_arch} -m${bits}
          enabled altivec && add_cflags -faltivec
          ;;
      esac
      ;;
John Koleszar's avatar
John Koleszar committed
1060
    x86*)
Johann's avatar
Johann committed
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
      case  ${tgt_os} in
        win*)
          enabled gcc && add_cflags -fno-common
          ;;
        solaris*)
          CC=${CC:-${CROSS}gcc}
          CXX=${CXX:-${CROSS}g++}
          LD=${LD:-${CROSS}gcc}
          CROSS=${CROSS:-g}
          ;;
        os2)
          AS=${AS:-nasm}
          ;;
      esac

      AS="${alt_as:-${AS:-auto}}"
      case  ${tgt_cc} in
        icc*)
          CC=${CC:-icc}
          LD=${LD:-icc}
          setup_gnu_toolchain
          add_cflags -use-msasm  # remove -use-msasm too?
          # add -no-intel-extensions to suppress warning #10237
          # refer to http://software.intel.com/en-us/forums/topic/280199
          add_ldflags -i-static -no-intel-extensions
          enabled x86_64 && add_cflags -ipo -static -O3 -no-prec-div
          enabled x86_64 && AR=xiar
          case ${tune_cpu} in
            atom*)
              tune_cflags="-x"
              tune_cpu="SSE3_ATOM"
              ;;
            *)
              tune_cflags="-march="
              ;;
          esac
          ;;
        gcc*)
          link_with_cc=gcc
          tune_cflags="-march="
          setup_gnu_toolchain
          #for 32 bit x86 builds, -O3 did not turn on this flag
          enabled optimizations && disabled gprof && check_add_cflags -fomit-frame-pointer
          ;;
        vs*)
          # When building with Microsoft Visual Studio the assembler is
          # invoked directly. Checking at configure time is unnecessary.
          # Skip the check by setting AS arbitrarily
          AS=msvs
          msvs_arch_dir=x86-msvs
          vc_version=${tgt_cc##vs}
          case $vc_version in
            7|8|9|10)
              echo "${tgt_cc} does not support avx/avx2, disabling....."
              RTCD_OPTIONS="${RTCD_OPTIONS}--disable-avx --disable-avx2 "
              soft_disable avx
              soft_disable avx2
              ;;
          esac
          ;;
      esac

      bits=32
      enabled x86_64 && bits=64
      check_cpp <<EOF && bits=x32
1126
#if !defined(__ILP32__) || !defined(__x86_64__)
1127 1128 1129
#error "not x32"
#endif
EOF
Johann's avatar
Johann committed
1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203
      case ${tgt_cc} in
        gcc*)
          add_cflags -m${bits}
          add_ldflags -m${bits}
          ;;
      esac

      soft_enable runtime_cpu_detect
      # We can't use 'check_cflags' until the compiler is configured and CC is
      # populated.
      check_gcc_machine_option mmx
      check_gcc_machine_option sse
      check_gcc_machine_option sse2
      check_gcc_machine_option sse3
      check_gcc_machine_option ssse3
      check_gcc_machine_option sse4 sse4_1
      check_gcc_machine_option avx
      check_gcc_machine_option avx2

      case "${AS}" in
        auto|"")
          which nasm >/dev/null 2>&1 && AS=nasm
          which yasm >/dev/null 2>&1 && AS=yasm
          [ "${AS}" = auto ] || [ -z "${AS}" ] \
            && die "Neither yasm nor nasm have been found"
          ;;
      esac
      log_echo "  using $AS"
      [ "${AS##*/}" = nasm ] && add_asflags -Ox
      AS_SFX=.asm
      case  ${tgt_os} in
        win32)
          add_asflags -f win32
          enabled debug && add_asflags -g cv8
          EXE_SFX=.exe
          ;;
        win64)
          add_asflags -f x64
          enabled debug && add_asflags -g cv8
          EXE_SFX=.exe
          ;;
        linux*|solaris*|android*)
          add_asflags -f elf${bits}
          enabled debug && [ "${AS}" = yasm ] && add_asflags -g dwarf2
          enabled debug && [ "${AS}" = nasm ] && add_asflags -g
          [ "${AS##*/}" = nasm ] && check_asm_align
          ;;
        darwin*)
          add_asflags -f macho${bits}
          enabled x86 && darwin_arch="-arch i386" || darwin_arch="-arch x86_64"
          add_cflags  ${darwin_arch}
          add_ldflags ${darwin_arch}
          # -mdynamic-no-pic is still a bit of voodoo -- it was required at
          # one time, but does not seem to be now, and it breaks some of the
          # code that still relies on inline assembly.
          # enabled icc && ! enabled pic && add_cflags -fno-pic -mdynamic-no-pic
          enabled icc && ! enabled pic && add_cflags -fno-pic
          ;;
        iphonesimulator)
          add_asflags -f macho${bits}
          enabled x86 && sim_arch="-arch i386" || sim_arch="-arch x86_64"
          add_cflags  ${sim_arch}
          add_ldflags ${sim_arch}
          ;;
        os2)
          add_asflags -f aout
          enabled debug && add_asflags -g
          EXE_SFX=.exe
          ;;
        *)
          log "Warning: Unknown os $tgt_os while setting up $AS flags"
          ;;
      esac
      ;;
John Koleszar's avatar
John Koleszar committed
1204
    universal*|*-gcc|generic-gnu)
Johann's avatar
Johann committed
1205 1206 1207 1208 1209
      link_with_cc=gcc
      enable_feature gcc
      setup_gnu_toolchain
      ;;
  esac
John Koleszar's avatar
John Koleszar committed
1210

Johann's avatar
Johann committed
1211 1212 1213 1214 1215 1216
  # Try to enable CPU specific tuning
  if [ -n "${tune_cpu}" ]; then
    if [ -n "${tune_cflags}" ]; then
      check_add_cflags ${tune_cflags}${tune_cpu} || \
        die "Requested CPU '${tune_cpu}' not supported by compiler"
    fi
John Koleszar's avatar
John Koleszar committed
1217
    if [ -n "${tune_asflags}" ]; then
Johann's avatar
Johann committed
1218 1219 1220
      check_add_asflags ${tune_asflags}${tune_cpu} || \
        die "Requested CPU '${tune_cpu}' not supported by assembler"
    fi
John Koleszar's avatar
John Koleszar committed
1221
    if [ -z "${tune_cflags}${tune_asflags}" ]; then
Johann's avatar
Johann committed
1222
      log_echo "Warning: CPU tuning not supported by this toolchain"
John Koleszar's avatar
John Koleszar committed
1223
    fi
Johann's avatar
Johann committed
1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239
  fi

  if enabled debug; then
    check_add_cflags -g && check_add_ldflags -g
  else
    check_add_cflags -DNDEBUG
  fi

  enabled gprof && check_add_cflags -pg && check_add_ldflags -pg
  enabled gcov &&
    check_add_cflags -fprofile-arcs -ftest-coverage &&
    check_add_ldflags -fprofile-arcs -ftest-coverage

  if enabled optimizations; then
    if enabled rvct; then
      enabled small && check_add_cflags -Ospace || check_add_cflags -Otime
1240
    else
Johann's avatar
Johann committed
1241
      enabled small && check_add_cflags -O2 ||  check_add_cflags -O3
John Koleszar's avatar
John Koleszar committed
1242
    fi
Johann's avatar
Johann committed
1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266
  fi