core/gcc: incorporate i486 stuff

1 files changed, 70 insertions, 0 deletions

diff --git a/core/gcc/PKGBUILD b/core/gcc/PKGBUILD
index 86d70aae..fecb7d16 100644
--- a/core/gcc/PKGBUILD
+++ b/core/gcc/PKGBUILD
@@ -14,6 +14,7 @@ eval "$(
   declare -f build | \
     sed '
       s/--enable-multilib/--disable-multilib/
+      s,--with-bugurl=https://bugs\.archlinux\.org/,--with-bugurl=https://bugs.archlinux32.org/,
     '
   declare -f package_gcc-libs | \
     sed '
@@ -46,3 +47,72 @@ eval "$(
       '
   done
 )"
+
+# i486-specific
+
+# disable doxygen documentation
+makedepends=(${makedepends[@]//doxygen/})
+makedepends_i686+=('doxygen')
+
+if [ "${CARCH}" = "i486" ]; then
+  eval "$(
+    declare -f build | \
+      sed '
+        /make.*doc-man-doxygen/d
+      '
+  )"
+
+  eval "$(
+    declare -f package_gcc | \
+      sed '
+        /make.*doc-man-doxygen/d
+        /make.*doc-install-man/d
+      '
+  )"
+fi
+
+# no ADA
+makedepends=(${makedepends[@]//gcc-ada/})
+makedepends_i686+=('gcc-ada')
+
+if [ "${CARCH}" = "i486" ]; then
+  package_gcc-ada() {
+    touch "$pkgdir/this-is-a-dummy-package"
+  }
+
+  eval "$(
+    declare -f build | \
+      sed '
+        /enable-languages/ s/ada//
+      '
+  )"
+
+  eval "$(
+    declare -f package_gcc | \
+      sed '
+        s/,gnat-style,gnat_rm,gnat_ugn//
+      '
+  )"
+
+  # building toolchain (gcc): again, lobtool problems
+  # /usr/lib/gcc/i486-pc-linux-gnu/7.3.0/ld: cannot find -lquadmath
+  # collect2: error: ld returned 1 exit status
+  # libtool: install: error: relink `libgfortran.la' with the above command before installing it
+  # make: Leaving directory '/build/gcc/src/gcc-build/i486-pc-linux-gnu/libgfortran'
+  # => wrong link order: libgfortran requires libquadmath
+  eval "$(
+    declare -f package_gcc-libs | \
+      sed '
+        s/libgfortran/libquadmath libgfortran/
+      '
+  )"
+
+  # disable CET (Control Flow instructions endbr32/enbr64)
+  eval "$(
+    declare -f build | \
+      sed '
+        s/--enable-cet=auto/--disable-cet/
+      '
+  )"
+
+fi