STAGE1-*: Moving config args to recipes & fixing FTBFS

This commit moves the *GCC_CONFIGARGS from the stage1 script
to the *gcc* recipes so that the args can be tweaked by the
gcc maintainers in the future. This adds a bit of redundancy,
but still worthy.
This commit also disables gcc bootstrap in stage1 and splits
the build dir for gcc-host, gcc-libgcc and gcc so that it is
clean prior starting each build. It resolves strange config
issues that appear just under some combinations of build and
target arch.

STAGE1-gcc

@@ -1,11 +1,32 @@
 srpm gcc
 mcd $BUILDDIR/gcc
 
+# These are for gcc cross-tools (politics sometime result in slightly
+# different arch names)
+GCC_CONFIGARGS="--prefix=$PREFIX
+            --libdir=$PREFIX/lib${SUFFIX}
+            --target=$TARGET
+            ${GCC_CONFIG_EXTRA}
+            --enable-languages=c,c++
+            --with-sysroot=$ROOTFS
+            --with-build-sysroot=$ROOTFS
+            --cache-file=config.cache
+            --disable-bootstrap
+            --enable-threads=posix
+            --enable-64-bit-bfd
+            --disable-lto
+            $WITHPPL
+"
+
 # prefill gcc cache
 echo 'lt_cv_shlibpath_overrides_runpath=no' > config.cache
 echo 'gcc_cv_libc_provides_ssp=yes' >> config.cache
 
-$SRC/gcc-*/configure $GCC_CONFIGARGS --with-headers=$ROOTFS/usr/include --cache-file=config.cache
+if [ ! "$BUILDER_ARCH" = "$TARGET_ARCH" ]; then
+  WITH_HEADERS="--with-headers=$ROOTFS/usr/include"
+fi
+
+$SRC/gcc-*/configure $GCC_CONFIGARGS $WITH_HEADERS
 notparallel
 make $J
 make $J install

STAGE1-gcc-host

@@ -1,5 +1,22 @@
 srpm gcc
-mcd $BUILDDIR/gcc
+mcd $BUILDDIR/gcc-host
+
+# These are for gcc cross-tools (politics sometime result in slightly
+# different arch names)
+GCC_CONFIGARGS="--prefix=$PREFIX
+            --libdir=$PREFIX/lib${SUFFIX}
+            --target=$TARGET
+            ${GCC_CONFIG_EXTRA}
+            --enable-languages=c,c++
+            --with-sysroot=$ROOTFS
+            --with-build-sysroot=$ROOTFS
+            --cache-file=config.cache
+            --disable-bootstrap
+            --enable-threads=posix
+            --enable-64-bit-bfd
+            --disable-lto
+            $WITHPPL
+"
 
 # prefill gcc cache
 echo 'lt_cv_shlibpath_overrides_runpath=no' > config.cache
@@ -9,7 +26,7 @@ if [ ! "$BUILDER_ARCH" = "$TARGET_ARCH" ]; then
   WITH_HEADERS="--with-headers=$ROOTFS/usr/include"
 fi
 
-$SRC/gcc-*/configure $GCC_CONFIGARGS $WITH_HEADERS --cache-file=config.cache
+$SRC/gcc-*/configure $GCC_CONFIGARGS $WITH_HEADERS
 notparallel
 
 # Pass gcc_cv_libc_provides_ssp down, because the config.cache

STAGE1-gcc-libgcc

@@ -1,11 +1,32 @@
 srpm gcc
-mcd $BUILDDIR/gcc
+mcd $BUILDDIR/gcc-libgcc
+
+# These are for gcc cross-tools (politics sometime result in slightly
+# different arch names)
+GCC_CONFIGARGS="--prefix=$PREFIX
+            --libdir=$PREFIX/lib${SUFFIX}
+            --target=$TARGET
+            ${GCC_CONFIG_EXTRA}
+            --enable-languages=c,c++
+            --with-sysroot=$ROOTFS
+            --with-build-sysroot=$ROOTFS
+            --cache-file=config.cache
+            --disable-bootstrap
+            --enable-threads=posix
+            --enable-64-bit-bfd
+            --disable-lto
+            $WITHPPL
+"
 
 # prefill gcc cache
 echo 'lt_cv_shlibpath_overrides_runpath=no' > config.cache
 echo 'gcc_cv_libc_provides_ssp=yes' >> config.cache
 
-$SRC/gcc-*/configure $GCC_CONFIGARGS --with-headers=$ROOTFS/usr/include --cache-file=config.cache
+if [ ! "$BUILDER_ARCH" = "$TARGET_ARCH" ]; then
+  WITH_HEADERS="--with-headers=$ROOTFS/usr/include"
+fi
+
+$SRC/gcc-*/configure $GCC_CONFIGARGS $WITH_HEADERS
 notparallel
 # Pass gcc_cv_libc_provides_ssp down, because the config.cache
 # version is not passed down to the gcc subdir.

STAGE1-t-gcc

@@ -1,6 +1,23 @@
 srpm gcc
 mcd $BUILDDIR/t-gcc
-$SRC/gcc-*/configure $GCC_TCONFIGARGS --enable-linker-build-id
+
+GCC_TCONFIGARGS="--prefix=/usr
+             --libdir=/usr/lib${SUFFIX}
+             --with-sysroot=/
+             --with-build-sysroot=$ROOTFS
+             --build=$BUILD
+             --host=$TARGET
+             --target=$TARGET
+             --disable-bootstrap
+             --enable-werror=no
+             --enable-cxx
+             ${GCC_CONFIG_EXTRA}
+             --enable-languages=c,c++
+             --enable-threads=posix
+             --enable-linker-build-id
+"
+
+$SRC/gcc-*/configure $GCC_TCONFIGARGS
 notparallel
 make $J
 make $J install DESTDIR=${ROOTFS}