new bblfs: sys-dev/gcc-15.2.0 with lto pgo

2025-12-25 02:08:49 -05:00
parent ec7b08fbab
commit 099c6ebabf
1 changed files with 84 additions and 0 deletions
--- a/sys-dev/gcc-15.2.0.PKGBUILD
+++ b/sys-dev/gcc-15.2.0.PKGBUILD
@@ -0,0 +1,84 @@
+pkgname="gcc"
+pkgver="15.2.0"
+pkgdesc="The GNU Compiler Collection (PGO+LTO rebuild)"
+homepage="https://gcc.gnu.org"
+sources=("${pkgname}-${pkgver}.tar.xz")
+urls=("https://ftp.gnu.org/gnu/gcc/${pkgname}-${pkgver}/${sources[0]}")
+md5sums=("b861b092bf1af683c46a8aa2e689a6fd")
+
+export GCC_BOOT_CFLAGS="-march=native -O2 -pipe -flto=auto"
+export GCC_BOOT_LDFLAGS="-Wl,-O1 -Wl,--as-needed -flto=auto"
+export GCC_MAKE_JOBS="${PARALLEL_JOBS}"
+
+src_prepare() {
+  tar -xf "${distdir}/${sources[0]}" --strip-components=1
+  case $(uname -m) in
+    x86_64)
+      sed -e '/m64=/s/lib64/lib/' -i.orig gcc/config/i386/t-linux64
+    ;;
+  esac
+}
+
+src_build() {
+  leaf_clear_flags
+
+  export CFLAGS="-march=native -O2 -pipe"
+  export CXXFLAGS="${CFLAGS}"
+  export LDFLAGS="-Wl,-O1 -Wl,--as-needed"
+
+  mkdir -v build
+  pushd build > /dev/null
+
+  ../configure --prefix=/usr            \
+               LD=ld                    \
+               --enable-languages=c,c++ \
+               --enable-bootstrap       \
+               --enable-lto             \
+               --enable-default-pie     \
+               --enable-default-ssp     \
+               --enable-host-pie        \
+               --disable-multilib       \
+               --disable-fixincludes    \
+               --with-system-zlib
+
+  make -j"${GCC_MAKE_JOBS}" \
+       BOOT_CFLAGS="${GCC_BOOT_CFLAGS}" \
+       BOOT_CXXFLAGS="${GCC_BOOT_CFLAGS}" \
+       BOOT_LDFLAGS="${GCC_BOOT_LDFLAGS}" \
+       profiledbootstrap
+
+  popd > /dev/null
+}
+
+src_check() {
+  pushd build > /dev/null
+  ulimit -s -H unlimited
+
+  sed -e '/cpython/d' -i ../gcc/testsuite/gcc.dg/plugin/plugin.exp
+
+  chown -R leaf .
+  su leaf -c "PATH=$PATH make -k check"
+  ../contrib/test_summary | grep -A7 Summ
+  popd > /dev/null
+}
+
+src_install() {
+  pushd build > /dev/null
+  make DESTDIR="$pkgdir" install
+
+  chown -R root:root \
+    "$pkgdir"/usr/lib/gcc/$(${pkgdir}/usr/bin/gcc -dumpmachine)/${pkgver}/include{,-fixed}
+
+  ln -sv ../bin/cpp "$pkgdir"/usr/lib
+  ln -sv gcc.1 "$pkgdir"/usr/share/man/man1/cc.1
+
+  install -d -v -m755 "$pkgdir/usr/lib/bfd-plugins"
+  ln -sfv ../../libexec/gcc/$(${pkgdir}/usr/bin/gcc -dumpmachine)/${pkgver}/liblto_plugin.so \
+        "$pkgdir"/usr/lib/bfd-plugins/
+
+  mkdir -pv "$pkgdir"/usr/share/gdb/auto-load/usr/lib
+  mv -v "$pkgdir"/usr/lib/*gdb.py "$pkgdir"/usr/share/gdb/auto-load/usr/lib
+
+  popd > /dev/null
+}
+