clang

unvendor

06/recipes/2a4-gnugcc4-cpp.sh

@@ -0,0 +1,97 @@
+#!/store/1-stage1/protobusybox/bin/ash
+
+#> FETCH f69eff1bc3d15d4e59011d587c57462a8d3d32cf2378d32d30d008a42a863325
+#>  FROM https://gmplib.org/download/gmp/archive/gmp-4.3.2.tar.xz
+
+#> FETCH d7271bbfbc9ddf387d3919df8318cd7192c67b232919bfa1cb3202d07843da1b
+#>  FROM https://www.mpfr.org/mpfr-2.4.2/mpfr-2.4.2.tar.xz
+
+#> FETCH e664603757251fd8a352848276497a4c79b7f8b21fd8aedd5cc0598a38fee3e4
+#>  FROM http://www.multiprecision.org/downloads/mpc-0.8.1.tar.gz
+
+#> FETCH 92e61c6dc3a0a449e62d72a38185fda550168a86702dea07125ebd3ec3996282
+#>  FROM https://ftp.gnu.org/gnu/gcc/gcc-4.7.4/gcc-4.7.4.tar.bz2
+
+set -uex
+
+export PATH='/store/_2a0-ccache/wrappers/c'  # may or may not exist
+export PATH="$PATH:/store/1-stage1/protobusybox/bin"
+export PATH="$PATH:/store/2a0-static-gnumake/bin"
+export PATH="$PATH:/store/2a1-static-binutils/bin"
+export PATH="$PATH:/store/2a2-static-gnugcc4-c/bin"
+
+mkdir -p /tmp/2a4-gnugcc4-cpp; cd /tmp/2a4-gnugcc4-cpp
+if [ -e /ccache/setup ]; then . /ccache/setup; fi
+
+echo "### $0: aliasing ash to sh..."
+mkdir aliases; ln -s /store/1-stage1/protobusybox/bin/ash aliases/sh
+export PATH="/tmp/2a4-gnugcc4-cpp/aliases:$PATH"
+
+echo "### $0: creating wrappers that make previous GNU GCC target new musl..."
+SYSROOT=/store/2a3-intermediate-musl
+export _SYSROOT="--sysroot $SYSROOT"
+export _LDFLAG="--dynamic-linker=$SYSROOT/lib/libc.so"
+export _NEWINC="-I$SYSROOT/include"
+export _REALCC="-I$SYSROOT/include"
+mkdir wrappers
+echo '#!/store/1-stage1/protobusybox/bin/ash' > wrappers/cc
+echo '#!/store/1-stage1/protobusybox/bin/ash' > wrappers/cpp
+echo '#!/store/1-stage1/protobusybox/bin/ash' > wrappers/ld
+echo 'exec gcc $_SYSROOT -Wl,$_LDFLAG "$@"' >> wrappers/cc
+echo 'exec /store/2a2-static-gnugcc4-c/bin/cpp $_NEWINC "$@"' >> wrappers/cpp
+echo 'exec /store/2a1-static-binutils/bin/ld $_LDFLAG "$@"' >> wrappers/ld
+chmod +x wrappers/cc wrappers/cpp wrappers/ld
+export PATH="/tmp/2a4-gnugcc4-cpp/wrappers:$PATH"
+
+echo "### $0: unpacking GNU GCC 4 sources..."
+mkdir mpfr mpc gmp
+tar --strip-components=1 -xf /downloads/gcc-4.7.4.tar.bz2
+tar --strip-components=1 -xf /downloads/mpfr-2.4.2.tar.xz -C mpfr
+tar --strip-components=1 -xf /downloads/mpc-0.8.1.tar.gz -C mpc
+tar --strip-components=1 -xf /downloads/gmp-4.3.2.tar.xz -C gmp
+
+echo "### $0: fixing up GNU GCC 4 sources..."
+sed -i 's|/bin/sh|/store/1-stage1/protobusybox/bin/ash|' \
+	missing move-if-change mkdep mkinstalldirs symlink-tree \
+	gcc/genmultilib */*.sh gcc/exec-tool.in \
+	install-sh */install-sh
+sed -i 's|^\(\s*\)sh |\1/store/1-stage1/protobusybox/bin/ash |' \
+	Makefile* */Makefile*
+sed -i 's|LIBGCC2_DEBUG_CFLAGS = -g|LIBGCC2_DEBUG_CFLAGS = |' \
+	libgcc/Makefile.in
+sed -i "s|/lib64/ld-linux-x86-64.so.2|$SYSROOT/lib/libc.so|" \
+	gcc/config/i386/linux64.h
+sed -i 's|"os/gnu-linux"|"os/generic"|' libstdc++-v3/configure.host
+# see libtool's 74c8993c178a1386ea5e2363a01d919738402f30
+sed -i 's/| \$NL2SP/| sort | $NL2SP/' ltmain.sh */ltmain.sh
+
+echo "### $0: building GNU GCC 4 (dynamically linked, with C++ support)"
+ash configure \
+	cache_file=nonex \
+	CONFIG_SHELL='/store/1-stage1/protobusybox/bin/ash' \
+	SHELL='/store/1-stage1/protobusybox/bin/ash' \
+	CC=cc CPP=cpp LD=ld \
+	CFLAGS=-O2 CFLAGS_FOR_TARGET=-O2 \
+	--with-sysroot=$SYSROOT \
+	--with-native-system-header-dir=/include \
+	--with-build-time-tools=/store/2a1-static-binutils/bin \
+	--prefix=/store/2a4-gnugcc4-cpp \
+	--with-specs='%{!static:%x{-rpath=/store/2a4-gnugcc4-cpp/lib64}}' \
+	--enable-languages=c,c++ \
+	--disable-bootstrap \
+	--disable-libquadmath --disable-decimal-float --disable-fixed-point \
+	--disable-lto \
+	--disable-libgomp \
+	--disable-multilib \
+	--disable-multiarch \
+	--disable-libmudflap \
+	--disable-libssp \
+	--disable-nls \
+	--disable-libitm \
+	--host x86_64-linux --build x86_64-linux
+make -j $NPROC
+echo "### $0: installing GNU GCC 4 (dynamically linked, with C++ support)"
+make -j $NPROC install-strip
+
+echo "### $0: checking for build path leaks..."
+( ! grep -rF /tmp/2a4 /store/2a4-gnugcc4-cpp )