gcc: Remove duplicate files

1 files changed, 255 insertions, 0 deletions

diff --git a/pkgs/development/compilers/gcc/builder.sh b/pkgs/development/compilers/gcc/builder.sh
new file mode 100644
index 000000000000..dd77c67a023e
--- /dev/null
+++ b/pkgs/development/compilers/gcc/builder.sh
@@ -0,0 +1,255 @@
+source $stdenv/setup
+
+
+export NIX_FIXINC_DUMMY=$NIX_BUILD_TOP/dummy
+mkdir $NIX_FIXINC_DUMMY
+
+
+if test "$staticCompiler" = "1"; then
+    EXTRA_LDFLAGS="-static"
+else
+    EXTRA_LDFLAGS=""
+fi
+
+# GCC interprets empty paths as ".", which we don't want.
+if test -z "$CPATH"; then unset CPATH; fi
+if test -z "$LIBRARY_PATH"; then unset LIBRARY_PATH; fi
+echo "\$CPATH is \`$CPATH'"
+echo "\$LIBRARY_PATH is \`$LIBRARY_PATH'"
+
+if test "$noSysDirs" = "1"; then
+
+    if test -e $NIX_CC/nix-support/orig-libc; then
+
+        # Figure out what extra flags to pass to the gcc compilers
+        # being generated to make sure that they use our glibc.
+        extraFlags="$(cat $NIX_CC/nix-support/libc-cflags)"
+        extraLDFlags="$(cat $NIX_CC/nix-support/libc-ldflags) $(cat $NIX_CC/nix-support/libc-ldflags-before)"
+
+        # Use *real* header files, otherwise a limits.h is generated
+        # that does not include Glibc's limits.h (notably missing
+        # SSIZE_MAX, which breaks the build).
+        export NIX_FIXINC_DUMMY=$(cat $NIX_CC/nix-support/orig-libc)/include
+
+        # The path to the Glibc binaries such as `crti.o'.
+        glibc_libdir="$(cat $NIX_CC/nix-support/orig-libc)/lib"
+
+    else
+        # Hack: support impure environments.
+        extraFlags="-isystem /usr/include"
+        extraLDFlags="-L/usr/lib64 -L/usr/lib"
+        glibc_libdir="/usr/lib"
+        export NIX_FIXINC_DUMMY=/usr/include
+    fi
+
+    extraFlags="-I$NIX_FIXINC_DUMMY $extraFlags"
+    extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
+
+    # BOOT_CFLAGS defaults to `-g -O2'; since we override it below,
+    # make sure to explictly add them so that files compiled with the
+    # bootstrap compiler are optimized and (optionally) contain
+    # debugging information (info "(gccinstall) Building").
+    if test -n "$dontStrip"; then
+        extraFlags="-O2 -g $extraFlags"
+    else
+        # Don't pass `-g' at all; this saves space while building.
+        extraFlags="-O2 $extraFlags"
+    fi
+
+    EXTRA_FLAGS="$extraFlags"
+    for i in $extraLDFlags; do
+        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,$i"
+    done
+
+    if test -n "$targetConfig"; then
+        # Cross-compiling, we need gcc not to read ./specs in order to build
+        # the g++ compiler (after the specs for the cross-gcc are created).
+        # Having LIBRARY_PATH= makes gcc read the specs from ., and the build
+        # breaks. Having this variable comes from the default.nix code to bring
+        # gcj in.
+        unset LIBRARY_PATH
+        unset CPATH
+        if test -z "$crossStageStatic"; then
+            EXTRA_TARGET_CFLAGS="-B${libcCross}/lib -idirafter ${libcCross}/include"
+            EXTRA_TARGET_LDFLAGS="-Wl,-L${libcCross}/lib -Wl,-rpath,${libcCross}/lib -Wl,-rpath-link,${libcCross}/lib"
+        fi
+    else
+        if test -z "$NIX_CC_CROSS"; then
+            EXTRA_TARGET_CFLAGS="$EXTRA_FLAGS"
+            EXTRA_TARGET_CXXFLAGS="$EXTRA_FLAGS"
+            EXTRA_TARGET_LDFLAGS="$EXTRA_LDFLAGS"
+        else
+            # This the case of cross-building the gcc.
+            # We need special flags for the target, different than those of the build
+            # Assertion:
+            test -e $NIX_CC_CROSS/nix-support/orig-libc
+
+            # Figure out what extra flags to pass to the gcc compilers
+            # being generated to make sure that they use our glibc.
+            extraFlags="$(cat $NIX_CC_CROSS/nix-support/libc-cflags)"
+            extraLDFlags="$(cat $NIX_CC_CROSS/nix-support/libc-ldflags) $(cat $NIX_CC_CROSS/nix-support/libc-ldflags-before)"
+
+            # Use *real* header files, otherwise a limits.h is generated
+            # that does not include Glibc's limits.h (notably missing
+            # SSIZE_MAX, which breaks the build).
+            NIX_FIXINC_DUMMY_CROSS=$(cat $NIX_CC_CROSS/nix-support/orig-libc)/include
+
+            # The path to the Glibc binaries such as `crti.o'.
+            glibc_dir="$(cat $NIX_CC_CROSS/nix-support/orig-libc)"
+            glibc_libdir="$glibc_dir/lib"
+            configureFlags="$configureFlags --with-native-system-header-dir=$glibc_dir/include"
+
+            extraFlags="-I$NIX_FIXINC_DUMMY_CROSS $extraFlags"
+            extraLDFlags="-L$glibc_libdir -rpath $glibc_libdir $extraLDFlags"
+
+            EXTRA_TARGET_CFLAGS="$extraFlags"
+            for i in $extraLDFlags; do
+                EXTRA_TARGET_LDFLAGS="$EXTRA_TARGET_LDFLAGS -Wl,$i"
+            done
+        fi
+    fi
+
+    # CFLAGS_FOR_TARGET are needed for the libstdc++ configure script to find
+    # the startfiles.
+    # FLAGS_FOR_TARGET are needed for the target libraries to receive the -Bxxx
+    # for the startfiles.
+    makeFlagsArray+=( \
+        NATIVE_SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+        SYSTEM_HEADER_DIR="$NIX_FIXINC_DUMMY" \
+        CFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        CXXFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        CFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        CXXFLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        FLAGS_FOR_TARGET="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+        LDFLAGS_FOR_BUILD="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+        LDFLAGS_FOR_TARGET="$EXTRA_TARGET_LDFLAGS $EXTRA_TARGET_LDFLAGS" \
+        )
+
+    if test -z "$targetConfig"; then
+        makeFlagsArray+=( \
+            BOOT_CFLAGS="$EXTRA_FLAGS $EXTRA_LDFLAGS" \
+            BOOT_LDFLAGS="$EXTRA_TARGET_CFLAGS $EXTRA_TARGET_LDFLAGS" \
+            )
+    fi
+
+    if test -n "$targetConfig" -a "$crossStageStatic" == 1; then
+        # We don't want the gcc build to assume there will be a libc providing
+        # limits.h in this stagae
+        makeFlagsArray+=( \
+            LIMITS_H_TEST=false \
+            )
+    else
+        makeFlagsArray+=( \
+            LIMITS_H_TEST=true \
+            )
+    fi
+fi
+
+if test -n "$targetConfig"; then
+    # The host strip will destroy some important details of the objects
+    dontStrip=1
+fi
+
+providedPreConfigure="$preConfigure";
+preConfigure() {
+    if test -n "$newlibSrc"; then
+        tar xvf "$newlibSrc" -C ..
+        ln -s ../newlib-*/newlib newlib
+        # Patch to get armvt5el working:
+        sed -i -e 's/ arm)/ arm*)/' newlib/configure.host
+    fi
+
+    # Bug - they packaged zlib
+    if test -d "zlib"; then
+        # This breaks the build without-headers, which should build only
+        # the target libgcc as target libraries.
+        # See 'configure:5370'
+        rm -Rf zlib
+    fi
+
+    if test -f "$NIX_CC/nix-support/orig-libc"; then
+        # Patch the configure script so it finds glibc headers.  It's
+        # important for example in order not to get libssp built,
+        # because its functionality is in glibc already.
+        glibc_headers="$(cat $NIX_CC/nix-support/orig-libc)/include"
+        sed -i \
+            -e "s,glibc_header_dir=/usr/include,glibc_header_dir=$glibc_headers", \
+            gcc/configure
+    fi
+
+    if test -n "$crossMingw" -a -n "$crossStageStatic"; then
+        mkdir -p ../mingw
+        # --with-build-sysroot expects that:
+        cp -R $libcCross/include ../mingw
+        configureFlags="$configureFlags --with-build-sysroot=`pwd`/.."
+    fi
+
+    # Eval the preConfigure script from nix expression.
+    eval "$providedPreConfigure"
+
+    # Perform the build in a different directory.
+    mkdir ../build
+    cd ../build
+    configureScript=../$sourceRoot/configure
+}
+
+
+postConfigure() {
+    # Don't store the configure flags in the resulting executables.
+    sed -e '/TOPLEVEL_CONFIGURE_ARGUMENTS=/d' -i Makefile
+}
+
+
+preInstall() {
+    # Make ‘lib64’ a symlink to ‘lib’.
+    if [ -n "$is64bit" -a -z "$enableMultilib" ]; then
+        mkdir -p $out/lib
+        ln -s lib $out/lib64
+    fi
+}
+
+
+postInstall() {
+    # Remove precompiled headers for now.  They are very big and
+    # probably not very useful yet.
+    find $out/include -name "*.gch" -exec rm -rf {} \; -prune
+
+    # Remove `fixincl' to prevent a retained dependency on the
+    # previous gcc.
+    rm -rf $out/libexec/gcc/*/*/install-tools
+    rm -rf $out/lib/gcc/*/*/install-tools
+
+    # More dependencies with the previous gcc or some libs (gccbug stores the build command line)
+    rm -rf $out/bin/gccbug
+    # Take out the bootstrap-tools from the rpath, as it's not needed at all having $out
+    for i in $out/libexec/gcc/*/*/*; do
+        if PREV_RPATH=`patchelf --print-rpath $i`; then
+            patchelf --set-rpath `echo $PREV_RPATH | sed 's,:[^:]*bootstrap-tools/lib,,'` $i
+        fi
+    done
+
+    # Get rid of some "fixed" header files
+    rm -rf $out/lib/gcc/*/*/include/root
+
+    # Replace hard links for i686-pc-linux-gnu-gcc etc. with symlinks.
+    for i in $out/bin/*-gcc*; do
+        if cmp -s $out/bin/gcc $i; then
+            ln -sfn gcc $i
+        fi
+    done
+
+    for i in $out/bin/c++ $out/bin/*-c++* $out/bin/*-g++*; do
+        if cmp -s $out/bin/g++ $i; then
+            ln -sfn g++ $i
+        fi
+    done
+
+    # Disable RANDMMAP on grsec, which causes segfaults when using
+    # precompiled headers.
+    # See https://bugs.gentoo.org/show_bug.cgi?id=301299#c31
+    paxmark r $out/libexec/gcc/*/*/{cc1,cc1plus}
+
+    eval "$postInstallGhdl"
+}
+
+genericBuild