common/build-style/void-cross.sh

   1 #
   2 # This helper is for void system crosstoolchain templates.
   3 #
   4 # Optional variables:
   5 #
   6 # - cross_gcc_skip_go - do not build gccgo support
   7 # - cross_binutils_configure_args
   8 # - cross_gcc_bootstrap_configure_args
   9 # - cross_gcc_configure_args
  10 # - cross_glibc_cflags
  11 # - cross_glibc_ldflags
  12 # - cross_glibc_configure_args
  13 # - cross_musl_cflags
  14 # - cross_musl_ldflags
  15 # - cross_musl_configure_args
  16 #
  17 # configure_args is passed to both bootstrap gcc and final gcc
  18 # if you need to pass some to one and not the other, use the
  19 # respective cross_ variables for final gcc and bootstrap gcc
  20 #
  21
  22 _void_cross_apply_patch() {
  23         local pname="$(basename $1)"
  24         if [ ! -f ".${pname}_done" ]; then
  25                 patch -Np1 $args -i $1
  26                 touch .${pname}_done
  27         fi
  28 }
  29
  30 _void_cross_build_binutils() {
  31         [ -f ${wrksrc}/.binutils_done ] && return 0
  32
  33         local tgt=$1
  34         local ver=$2
  35
  36         msg_normal "Patching binutils for ${tgt}\n"
  37
  38         cd ${wrksrc}/binutils-${ver}
  39         if [ -d "${XBPS_SRCPKGDIR}/binutils/patches" ]; then
  40                 for f in ${XBPS_SRCPKGDIR}/binutils/patches/*.patch; do
  41                         _void_cross_apply_patch "$f"
  42                 done
  43         fi
  44         cd ..
  45
  46         msg_normal "Building binutils for ${tgt}\n"
  47
  48         mkdir -p ${wrksrc}/binutils_build
  49         cd ${wrksrc}/binutils_build
  50
  51         ../binutils-${ver}/configure \
  52                 --prefix=/usr \
  53                 --sbindir=/usr/bin \
  54                 --libdir=/usr/lib \
  55                 --libexecdir=/usr/lib \
  56                 --sysconfdir=/etc \
  57                 --target=${tgt} \
  58                 --with-sysroot=/usr/${tgt} \
  59                 --disable-nls \
  60                 --disable-shared \
  61                 --disable-multilib \
  62                 --disable-werror \
  63                 --disable-gold \
  64                 --disable-gprofng \
  65                 --enable-relro \
  66                 --enable-new-dtags \
  67                 --enable-plugins \
  68                 --enable-64-bit-bfd \
  69                 --enable-deterministic-archives \
  70                 --enable-default-hash-style=gnu \
  71                 --with-system-zlib \
  72                 --with-mmap \
  73                 --with-pic \
  74                 ${cross_binutils_configure_args}
  75
  76         make configure-host
  77         make ${makejobs}
  78
  79         make install DESTDIR=${wrksrc}/build_root
  80
  81         touch ${wrksrc}/.binutils_done
  82 }
  83
  84 _void_cross_build_bootstrap_gcc() {
  85         [ -f ${wrksrc}/.gcc_bootstrap_done ] && return 0
  86
  87         local tgt=$1
  88         local ver=$2
  89
  90         msg_normal "Patching GCC for ${tgt}\n"
  91
  92         cd ${wrksrc}/gcc-${ver}
  93
  94         # Do not run fixincludes
  95         sed -i 's@./fixinc.sh@-c true@' Makefile.in
  96
  97         for f in ${XBPS_SRCPKGDIR}/gcc/patches/*.patch; do
  98                 _void_cross_apply_patch "$f"
  99         done
 100         if [ -f ${wrksrc}/.musl_version ]; then
 101                 for f in ${XBPS_SRCPKGDIR}/gcc/files/*-musl.patch; do
 102                         _void_cross_apply_patch "$f"
 103                 done
 104         fi
 105         cd ..
 106
 107         msg_normal "Building bootstrap GCC for ${tgt}\n"
 108
 109         mkdir -p gcc_bootstrap
 110         cd gcc_bootstrap
 111
 112         local extra_args
 113         if [ -f ${wrksrc}/.musl_version ]; then
 114                 extra_args+=" --with-newlib"
 115                 extra_args+=" --disable-symvers"
 116                 extra_args+=" libat_cv_have_ifunc=no"
 117         else
 118                 extra_args+=" --without-headers"
 119         fi
 120
 121         ../gcc-${ver}/configure \
 122                 --prefix=/usr \
 123                 --sbindir=/usr/bin \
 124                 --libdir=/usr/lib \
 125                 --libexecdir=/usr/lib \
 126                 --target=${tgt} \
 127                 --disable-nls \
 128                 --disable-multilib \
 129                 --disable-shared \
 130                 --disable-libquadmath \
 131                 --disable-decimal-float \
 132                 --disable-libgomp \
 133                 --disable-libmpx \
 134                 --disable-libmudflap \
 135                 --disable-libssp \
 136                 --disable-libitm \
 137                 --disable-libatomic --disable-autolink-libatomic \
 138                 --disable-gcov \
 139                 --disable-threads \
 140                 --disable-sjlj-exceptions \
 141                 --enable-languages=c \
 142                 --with-gnu-ld \
 143                 --with-gnu-as \
 144                 ${extra_args} \
 145                 ${configure_args} \
 146                 ${cross_gcc_bootstrap_configure_args}
 147
 148         make ${makejobs}
 149         make install DESTDIR=${wrksrc}/build_root
 150
 151         local ptrs=$(${tgt}-gcc -dM -E - < /dev/null | \
 152                 grep __SIZEOF_POINTER__)
 153         local ws=${ptrs##* }
 154
 155         case ${ws} in
 156                 8) echo 64 > ${wrksrc}/.gcc_wordsize ;;
 157                 4) echo 32 > ${wrksrc}/.gcc_wordsize ;;
 158                 *) msg_error "Unknown word size: ${ws}\n" ;;
 159         esac
 160
 161         touch ${wrksrc}/.gcc_bootstrap_done
 162 }
 163
 164 _void_cross_build_kernel_headers() {
 165         [ -f ${wrksrc}/.linux_headers_done ] && return 0
 166
 167         local tgt=$1
 168         local ver=$2
 169         local arch
 170
 171         msg_normal "Patching Linux headers for ${tgt}\n"
 172
 173         cd ${wrksrc}/linux-${ver}
 174         if [ -d "${XBPS_SRCPKGDIR}/kernel-libc-headers/patches" ]; then
 175                 for f in ${XBPS_SRCPKGDIR}/kernel-libc-headers/patches/*.patch; do
 176                         _void_cross_apply_patch "$f"
 177                 done
 178         fi
 179         cd ..
 180
 181         msg_normal "Building Linux headers for ${tgt}\n"
 182
 183         cd linux-${ver}
 184
 185         case "$tgt" in
 186                 x86_64*|i686*) arch=x86 ;;
 187                 powerpc*) arch=powerpc ;;
 188                 mips*) arch=mips ;;
 189                 aarch64*) arch=arm64 ;;
 190                 arm*) arch=arm ;;
 191                 riscv*) arch=riscv ;;
 192                 s390*) arch=s390 ;;
 193                 *) msg_error "Unknown Linux arch for ${tgt}\n" ;;
 194         esac
 195
 196         make ARCH=${arch} headers
 197         find usr/include -name '.*' -delete
 198         rm usr/include/Makefile
 199         rm -r usr/include/drm
 200         cp -a usr/include ${wrksrc}/build_root/usr/${tgt}/usr
 201
 202         touch ${wrksrc}/.linux_headers_done
 203 }
 204
 205 _void_cross_build_glibc_headers() {
 206         [ -f ${wrksrc}/.glibc_headers_done ] && return 0
 207
 208         local tgt=$1
 209         local ver=$2
 210
 211         msg_normal "Patching glibc for ${tgt}\n"
 212
 213         cd ${wrksrc}/glibc-${ver}
 214         if [ -d "${XBPS_SRCPKGDIR}/glibc/patches" ]; then
 215                 for f in ${XBPS_SRCPKGDIR}/glibc/patches/*.patch; do
 216                         _void_cross_apply_patch "$f"
 217                 done
 218         fi
 219         cd ..
 220
 221         msg_normal "Building glibc headers for ${tgt}\n"
 222
 223         mkdir -p glibc_headers
 224         cd glibc_headers
 225
 226         echo "libc_cv_forced_unwind=yes" > config.cache
 227         echo "libc_cv_c_cleanup=yes" >> config.cache
 228
 229         # we don't need any custom args here, it's just headers
 230         CC="${tgt}-gcc" CXX="${tgt}-g++" CPP="${tgt}-cpp" LD="${tgt}-ld" \
 231         AS="${tgt}-as" NM="${tgt}-nm" CFLAGS="-pipe" CXXFLAGS="" CPPFLAGS="" \
 232         LDFLAGS="" \
 233         ../glibc-${ver}/configure \
 234                 --prefix=/usr \
 235                 --host=${tgt} \
 236                 --with-headers=${wrksrc}/build_root/usr/${tgt}/usr/include \
 237                 --config-cache \
 238                 --enable-kernel=2.6.27 \
 239                 ${cross_glibc_configure_args}
 240
 241         make -k install-headers cross_compiling=yes \
 242                 install_root=${wrksrc}/build_root/usr/${tgt}
 243
 244         touch ${wrksrc}/.glibc_headers_done
 245 }
 246
 247 _void_cross_build_glibc() {
 248         [ -f ${wrksrc}/.glibc_build_done ] && return 0
 249
 250         local tgt=$1
 251         local ver=$2
 252
 253         msg_normal "Building glibc for ${tgt}\n"
 254
 255         mkdir -p ${wrksrc}/glibc_build
 256         cd ${wrksrc}/glibc_build
 257
 258         local ws=$(cat ${wrksrc}/.gcc_wordsize)
 259
 260         echo "slibdir=/usr/lib${ws}" > configparms
 261
 262         echo "libc_cv_forced_unwind=yes" > config.cache
 263         echo "libc_cv_c_cleanup=yes" >> config.cache
 264
 265         CC="${tgt}-gcc" CXX="${tgt}-g++" CPP="${tgt}-cpp" LD="${tgt}-ld" \
 266         AR="${tgt}-ar" AS="${tgt}-as" NM="${tgt}-nm" \
 267         OBJDUMP="${tgt}-objdump" OBJCOPY="${tgt}-objcopy" \
 268         CFLAGS="-pipe ${cross_glibc_cflags}" \
 269         CXXFLAGS="-pipe ${cross_glibc_cflags}" \
 270         CPPFLAGS="" \
 271         LDFLAGS="${cross_glibc_ldflags}" \
 272         ../glibc-${ver}/configure \
 273                 --prefix=/usr \
 274                 --libdir=/usr/lib${ws} \
 275                 --libexecdir=/usr/libexec \
 276                 --host=${tgt} \
 277                 --with-headers=${wrksrc}/build_root/usr/${tgt}/usr/include \
 278                 --config-cache \
 279                 --disable-profile \
 280                 --disable-werror \
 281                 --enable-kernel=2.6.27 \
 282                 ${cross_glibc_configure_args}
 283
 284         make ${makejobs}
 285         make install_root=${wrksrc}/build_root/usr/${tgt} install
 286
 287         touch ${wrksrc}/.glibc_build_done
 288 }
 289
 290 _void_cross_build_musl() {
 291         [ -f ${wrksrc}/.musl_build_done ] && return 0
 292
 293         local tgt=$1
 294         local ver=$2
 295
 296         msg_normal "Patching musl for ${tgt}\n"
 297
 298         cd ${wrksrc}/musl-${ver}
 299         if [ -d "${XBPS_SRCPKGDIR}/musl/patches" ]; then
 300                 for f in ${XBPS_SRCPKGDIR}/musl/patches/*.patch; do
 301                         _void_cross_apply_patch "$f"
 302                 done
 303         fi
 304         cd ..
 305
 306         msg_normal "Building musl for ${tgt}\n"
 307
 308         mkdir -p musl_build
 309         cd musl_build
 310
 311         CC="${tgt}-gcc" CXX="${tgt}-g++" CPP="${tgt}-cpp" LD="${tgt}-ld" \
 312         AR="${tgt}-ar" AS="${tgt}-as" NM="${tgt}-nm" \
 313         CFLAGS="-pipe -fPIC ${cross_musl_cflags}" \
 314         CPPFLAGS="${cross_musl_cflags}" LDFLAGS="${cross_musl_ldflags}" \
 315         ../musl-${ver}/configure \
 316                 --prefix=/usr \
 317                 --host=${tgt} \
 318                 ${cross_musl_configure_args}
 319
 320         make ${makejobs}
 321         make DESTDIR=${wrksrc}/build_root/usr/${tgt} install
 322
 323         CFLAGS="-pipe -fPIC ${cross_musl_cflags}" \
 324         CPPFLAGS="${cross_musl_cflags}" LDFLAGS="${cross_musl_ldflags}" \
 325         ${tgt}-gcc -pipe -fPIC ${cross_musl_cflags} ${cross_musl_ldflags} -fpie \
 326                 -c ${XBPS_SRCPKGDIR}/musl/files/__stack_chk_fail_local.c \
 327                 -o __stack_chk_fail_local.o
 328         ${tgt}-ar r libssp_nonshared.a __stack_chk_fail_local.o
 329         cp libssp_nonshared.a ${wrksrc}/build_root/usr/${tgt}/usr/lib
 330
 331         touch ${wrksrc}/.musl_build_done
 332 }
 333
 334 _void_cross_build_libucontext() {
 335         [ -n "$cross_gcc_skip_go" ] && return 0
 336         [ -f ${wrksrc}/.libucontext_build_done ] && return 0
 337
 338         local tgt=$1
 339         local ver=$2
 340         local arch incpath
 341
 342         msg_normal "Building libucontext for ${tgt}\n"
 343
 344         case "$tgt" in
 345                 x86_64*) arch=x86_64 ;;
 346                 i686*) arch=x86 ;;
 347                 powerpc64*) arch=ppc64 ;;
 348                 powerpc*) arch=ppc ;;
 349                 mips*64*) arch=mips64 ;;
 350                 mips*) arch=mips ;;
 351                 aarch64*) arch=aarch64 ;;
 352                 arm*) arch=arm ;;
 353                 riscv64*) arch=riscv64 ;;
 354                 s390x*) arch=s390x ;;
 355                 *) msg_error "Unknown libucontext arch for ${tgt}\n" ;;
 356         esac
 357
 358         cd ${wrksrc}/libucontext-${ver}
 359         # a terrible hack but seems to work for now
 360         # we build a static-only library to prevent linking to a runtime
 361         # since it's tiny it can be linked into libgo and we don't have
 362         # to keep it around (which would possibly conflict with crossdeps)
 363         incpath="${wrksrc}/build_root/usr/${tgt}/usr/include"
 364         CC="${tgt}-gcc" AS="${tgt}-as" AR="${tgt}-ar" \
 365         make ARCH=$arch libucontext.a \
 366                 CFLAGS="${cross_musl_cflags} -g0 -nostdinc -isystem ${incpath}"
 367
 368         cp libucontext.a ${wrksrc}/build_root/usr/${tgt}/usr/lib
 369
 370         touch ${wrksrc}/.libucontext_build_done
 371 }
 372
 373 _void_cross_build_gcc() {
 374         [ -f ${wrksrc}/.gcc_build_done ] && return 0
 375
 376         local tgt=$1
 377         local ver=$2
 378
 379         msg_normal "Building gcc for ${tgt}\n"
 380
 381         # GIANT HACK: create an empty libatomic.a so gcc cross-compile
 382         # below works.
 383         ar r ${wrksrc}/build_root/usr/${tgt}/usr/lib/libatomic.a
 384
 385         mkdir -p ${wrksrc}/gcc_build
 386         cd ${wrksrc}/gcc_build
 387
 388         local langs="c,c++,fortran,objc,obj-c++,ada,lto"
 389         if [ -z "$cross_gcc_skip_go" ]; then
 390                 langs+=",go"
 391         fi
 392
 393         local extra_args
 394         if [ -f ${wrksrc}/.musl_version ]; then
 395                 # otherwise glibc hosts get confused and use the gnu impl
 396                 extra_args+=" --enable-clocale=generic"
 397                 extra_args+=" --disable-symvers"
 398                 extra_args+=" --disable-gnu-unique-object"
 399                 extra_args+=" libat_cv_have_ifunc=no"
 400         else
 401                 extra_args+=" --enable-clocale=gnu"
 402                 extra_args+=" --enable-gnu-unique-object"
 403         fi
 404
 405         # note on --disable-libquadmath:
 406         # on some platforms the library is actually necessary for the
 407         # fortran frontend to build, platforms where this is a problem
 408         # should explicitly force libquadmath to be on via cross_gcc_configure_args
 409         #
 410         ../gcc-${ver}/configure \
 411                 --prefix=/usr \
 412                 --sbindir=/usr/bin \
 413                 --libdir=/usr/lib \
 414                 --libexecdir=/usr/lib \
 415                 --target=${tgt} \
 416                 --with-sysroot=/usr/${tgt} \
 417                 --with-build-sysroot=${wrksrc}/build_root/usr/${tgt} \
 418                 --enable-languages=${langs} \
 419                 --disable-nls \
 420                 --disable-multilib \
 421                 --disable-sjlj-exceptions \
 422                 --disable-libquadmath \
 423                 --disable-libmudflap \
 424                 --disable-libitm \
 425                 --disable-libvtv \
 426                 --disable-libsanitizer \
 427                 --disable-libstdcxx-pch \
 428                 --disable-libssp \
 429                 --enable-shared \
 430                 --enable-threads=posix \
 431                 --enable-__cxa_atexit \
 432                 --enable-linker-build-id \
 433                 --enable-libada \
 434                 --enable-lto \
 435                 --enable-default-pie \
 436                 --enable-default-ssp \
 437                 --with-gnu-ld \
 438                 --with-gnu-as \
 439                 --with-linker-hash-style=gnu \
 440                 ${extra_args} \
 441                 ${configure_args} \
 442                 ${cross_gcc_configure_args}
 443
 444         make ${makejobs}
 445
 446         touch ${wrksrc}/.gcc_build_done
 447 }
 448
 449 _void_cross_test_ver() {
 450         local proj=$1
 451         local noerr=$2
 452         local ver cver
 453         for p in ${proj}-*; do
 454                 cver=${p#${proj}-}
 455                 if [ -z "$noerr" -a -n "$ver" ]; then
 456                         msg_error "multiple versions of ${proj} found: ${ver}, ${cver}"
 457                 fi
 458                 ver=${cver}
 459         done
 460         if [ -d "${proj}-${ver}" ]; then
 461                 echo ${ver} > ${wrksrc}/.${proj}_version
 462                 return
 463         fi
 464         if [ -z "$noerr" ]; then
 465                 msg_error "project ${proj} not available for build\n"
 466         fi
 467 }
 468
 469 do_build() {
 470         # Verify toolchain versions
 471         cd ${wrksrc}
 472
 473         local binutils_ver linux_ver gcc_ver libc_ver libucontext_ver
 474         local tgt=${sourcepkg/cross-}
 475
 476         export CFLAGS="${CFLAGS/-D_FORTIFY_SOURCE=2/}"
 477         export CXXFLAGS="${CXXFLAGS/-D_FORTIFY_SOURCE=2/}"
 478
 479         # Disable explicit -fno-PIE, gcc/binutils/libc will figure this out itself.
 480         export CFLAGS="${CFLAGS//-fno-PIE/}"
 481         export CXXFLAGS="${CXXFLAGS//-fno-PIE/}"
 482         export LDFLAGS="${LDFLAGS//-no-pie/}"
 483
 484         _void_cross_test_ver binutils
 485         _void_cross_test_ver linux
 486         _void_cross_test_ver gcc
 487
 488         binutils_ver=$(cat .binutils_version)
 489         linux_ver=$(cat .linux_version)
 490         gcc_ver=$(cat .gcc_version)
 491
 492         _void_cross_test_ver musl noerr
 493         if [ ! -f .musl_version ]; then
 494                 _void_cross_test_ver glibc
 495                 libc_ver=$(cat .glibc_version)
 496         else
 497                 libc_ver=$(cat .musl_version)
 498                 if [ -z "$cross_gcc_skip_go" ]; then
 499                         _void_cross_test_ver libucontext
 500                         libucontext_ver=$(cat .libucontext_version)
 501                 fi
 502         fi
 503
 504         local sysroot="/usr/${tgt}"
 505
 506         # Prepare environment
 507         cd ${wrksrc}
 508
 509         # Core directories for the build root
 510         mkdir -p build_root/usr/{bin,lib,include,share}
 511         mkdir -p build_root/usr/${tgt}/usr/{bin,lib,include,share}
 512
 513         # Host root uses host wordsize
 514         ln -sf usr/lib build_root/lib
 515         ln -sf usr/lib build_root/lib${XBPS_TARGET_WORDSIZE}
 516         ln -sf lib build_root/usr/lib${XBPS_TARGET_WORDSIZE}
 517
 518         # Prepare target sysroot
 519         ln -sf usr/lib build_root/${sysroot}/lib
 520         ln -sf lib build_root/${sysroot}/usr/libexec
 521
 522         _void_cross_build_binutils ${tgt} ${binutils_ver}
 523
 524         # Prepare environment so we can use temporary prefix
 525         local oldpath="$PATH"
 526         local oldldlib="$LD_LIBRARY_PATH"
 527
 528         export PATH="${wrksrc}/build_root/usr/bin:$PATH"
 529         export LD_LIBRARY_PATH="${wrksrc}/build_root/usr/lib:$PATH"
 530
 531         _void_cross_build_bootstrap_gcc ${tgt} ${gcc_ver}
 532         _void_cross_build_kernel_headers ${tgt} ${linux_ver}
 533
 534         local ws=$(cat ${wrksrc}/.gcc_wordsize)
 535
 536         # Now that we know the target wordsize, prepare symlinks
 537         ln -sf usr/lib ${wrksrc}/build_root/${sysroot}/lib${ws}
 538         ln -sf lib ${wrksrc}/build_root/${sysroot}/usr/lib${ws}
 539
 540         if [ -f ${wrksrc}/.musl_version ]; then
 541                 _void_cross_build_musl ${tgt} ${libc_ver}
 542                 _void_cross_build_libucontext ${tgt} ${libucontext_ver}
 543         else
 544                 _void_cross_build_glibc_headers ${tgt} ${libc_ver}
 545                 _void_cross_build_glibc ${tgt} ${libc_ver}
 546         fi
 547
 548         _void_cross_build_gcc ${tgt} ${gcc_ver}
 549
 550         # restore this stuff in case later hooks depend on it
 551         export PATH="$oldpath"
 552         export LD_LIBRARY_PATH="$oldldlib"
 553 }
 554
 555 do_install() {
 556         # We need to be able to access binutils in the root
 557         local oldpath="$PATH"
 558         local oldldlib="$LD_LIBRARY_PATH"
 559         export PATH="${wrksrc}/build_root/usr/bin:$PATH"
 560         export LD_LIBRARY_PATH="${wrksrc}/build_root/usr/lib:$PATH"
 561
 562         local tgt=${sourcepkg/cross-}
 563         local sysroot="/usr/${tgt}"
 564         local ws=$(cat ${wrksrc}/.gcc_wordsize)
 565
 566         # Core directories for the sysroot
 567         #
 568         # libexec is created for sysroot but not for dest, since in sysroot
 569         # we configure glibc with separate libexec, elsewhere it's just lib
 570         # and we want to delete the libexec from glibc afterwards to save space
 571         mkdir -p ${DESTDIR}/${sysroot}/usr/{bin,lib,libexec,include,share}
 572         # Sysroot base symlinks
 573         ln -sf usr/bin ${DESTDIR}/${sysroot}/bin
 574         ln -sf usr/lib ${DESTDIR}/${sysroot}/lib
 575         ln -sf usr/lib ${DESTDIR}/${sysroot}/lib${ws}
 576         ln -sf lib ${DESTDIR}/${sysroot}/usr/lib${ws}
 577         ln -sf usr/include ${DESTDIR}/${sysroot}/include
 578
 579         # Install Linux headers
 580         cd ${wrksrc}/linux-$(cat ${wrksrc}/.linux_version)
 581         cp -a usr/include ${DESTDIR}/${sysroot}/usr
 582
 583         # Install binutils
 584         cd ${wrksrc}/binutils_build
 585         make install DESTDIR=${DESTDIR}
 586
 587         # Install final gcc
 588         cd ${wrksrc}/gcc_build
 589         make install DESTDIR=${DESTDIR}
 590
 591         # Move libcc1.so* to the sysroot
 592         mv ${DESTDIR}/usr/lib/libcc1.so* ${DESTDIR}/${sysroot}/usr/lib
 593
 594         local gcc_ver=$(cat ${wrksrc}/.gcc_version)
 595         local gcc_patch=${gcc_ver/_*}
 596         local gcc_minor=${gcc_patch%.*}
 597         local gcc_major=${gcc_minor%.*}
 598
 599         if [ -f ${wrksrc}/.musl_version ]; then
 600                 # Install musl
 601                 cd ${wrksrc}/musl_build
 602                 make DESTDIR=${DESTDIR}/${sysroot} install
 603
 604                 # Remove useless headers
 605                 rm -rf ${DESTDIR}/usr/lib/gcc/${tgt}/*/include-fixed
 606
 607                 # Make ld-musl.so symlinks relative
 608                 for f in ${DESTDIR}/${sysroot}/usr/lib/ld-musl-*.so.*; do
 609                         ln -sf libc.so ${f}
 610                 done
 611
 612                 cp libssp_nonshared.a ${DESTDIR}/${sysroot}/usr/lib/
 613         else
 614                 # Install glibc
 615                 cd ${wrksrc}/glibc_build
 616                 make install_root=${DESTDIR}/${sysroot} install install-headers
 617
 618                 # Remove bad header
 619                 rm -f ${DESTDIR}/usr/lib/gcc/${tgt}/${gcc_patch}/include-fixed/bits/statx.h
 620         fi
 621
 622         # minor-versioned symlinks
 623         mv ${DESTDIR}/usr/lib/gcc/${tgt}/${gcc_patch} \
 624                 ${DESTDIR}/usr/lib/gcc/${tgt}/${gcc_minor}
 625         ln -sfr ${DESTDIR}/usr/lib/gcc/${tgt}/${gcc_minor} \
 626                 ${DESTDIR}/usr/lib/gcc/${tgt}/${gcc_patch}
 627
 628         # ditto for c++ headers
 629         mv ${DESTDIR}/${sysroot}/usr/include/c++/${gcc_patch} \
 630                 ${DESTDIR}/${sysroot}/usr/include/c++/${gcc_minor}
 631         ln -sfr ${DESTDIR}/${sysroot}/usr/include/c++/${gcc_minor} \
 632                 ${DESTDIR}/${sysroot}/usr/include/c++/${gcc_patch}
 633
 634         # Symlinks for gnarl and gnat shared libraries
 635         local adalib=usr/lib/gcc/${tgt}/${gcc_patch}/adalib
 636         mv ${DESTDIR}/${adalib}/libgnarl-${gcc_major}.so \
 637                 ${DESTDIR}/${sysroot}/usr/lib
 638         mv ${DESTDIR}/${adalib}/libgnat-${gcc_major}.so \
 639                 ${DESTDIR}/${sysroot}/usr/lib
 640         ln -sf libgnarl-${gcc_major}.so ${DESTDIR}/${sysroot}/usr/lib/libgnarl.so
 641         ln -sf libgnat-${gcc_major}.so ${DESTDIR}/${sysroot}/usr/lib/libgnat.so
 642         rm -vf ${DESTDIR}/${adalib}/libgna{rl,t}.so
 643
 644         # Remove libgomp library because it conflicts with libgomp and
 645         # libgomp-devel packages
 646         rm -f ${DESTDIR}/${sysroot}/usr/lib/libgomp*
 647
 648         # Remove libdep linker plugin because it conflicts with system binutils
 649         rm -f ${DESTDIR}/usr/lib/bfd-plugins/libdep*
 650
 651         # Remove leftover symlinks
 652         rm -f ${DESTDIR}/usr/lib${XBPS_TARGET_WORDSIZE}
 653         rm -f ${DESTDIR}/lib*
 654         rm -f ${DESTDIR}/*bin
 655         # Remove unnecessary stuff
 656         rm -rf ${DESTDIR}/${sysroot}/{sbin,etc,var,libexec}
 657         rm -rf ${DESTDIR}/${sysroot}/usr/{sbin,share,libexec}
 658         rm -rf ${DESTDIR}/usr/share
 659         rm -f ${DESTDIR}/usr/lib*/libiberty.a
 660
 661         export PATH="$oldpath"
 662         export LD_LIBRARY_PATH="$oldldlib"
 663 }