* The build of User Mode Linux 2.4.19 fails because the GCC people

thought that it was a good idea to remove support for multi-line
  string literals, which Linux uses.  Added an older GCC to build
  `legacy' software.

svn path=/nixpkgs/trunk/; revision=389

pkgs/gcc-2.95/gcc-build.sh

@@ -0,0 +1,50 @@
+#! /bin/sh
+
+. $stdenv/setup || exit 1
+export PATH=$binutils/bin:$PATH
+
+tar xvfz $src || exit 1
+
+# Disable the standard include directories.
+cd gcc-* || exit 1
+cat >> ./gcc/cppdefault.h <<EOF
+#undef LOCAL_INCLUDE_DIR
+#undef SYSTEM_INCLUDE_DIR
+#undef STANDARD_INCLUDE_DIR
+EOF
+cd .. || exit 1
+
+# Configure.
+mkdir build || exit 1
+cd build || exit 1
+../gcc-*/configure --prefix=$out --enable-languages=c || exit 1
+
+# Patch some of the makefiles to force linking against our own glibc.
+extraflags="-Wl,-s $NIX_CFLAGS_COMPILE $NIX_CFLAGS_LINK"
+for i in $NIX_LDFLAGS; do
+    extraflags="$extraflags -Wl,$i"
+done
+
+mf=Makefile
+sed \
+ -e "s^FLAGS_FOR_TARGET =\(.*\)^FLAGS_FOR_TARGET = \1 $extraflags^" \
+ < $mf > $mf.tmp || exit 1
+mv $mf.tmp $mf
+
+mf=gcc/Makefile
+sed \
+ -e "s^X_CFLAGS =\(.*\)^X_CFLAGS = \1 $extraflags^" \
+ < $mf > $mf.tmp || exit 1
+mv $mf.tmp $mf
+
+# Patch gcc/Makefile to prevent fixinc.sh from "fixing" system header files
+# from /usr/include.
+mf=gcc/Makefile
+sed \
+ -e "s^NATIVE_SYSTEM_HEADER_DIR =\(.*\)^NATIVE_SYSTEM_HEADER_DIR = /fixinc-disabled^" \
+ < $mf > $mf.tmp || exit 1
+mv $mf.tmp $mf
+
+# Build and install.
+make bootstrap || exit 1
+make install || exit 1

pkgs/gcc-2.95/gcc.fix

@@ -0,0 +1,13 @@
+Package(
+  [ ("name", "gcc-2.95.3")
+
+  , ("build", Relative("gcc-2.95/gcc-build.sh"))
+
+  , ("src", Call(IncludeFix("fetchurl/fetchurl.fix"),
+      [ ("url", "ftp://ftp.nluug.nl/pub/gnu/gcc/gcc-2.95.3/gcc-2.95.3.tar.gz")
+      , ("md5", "f3ad4f32c2296fad758ed051b5ac8e28")
+      ]))
+
+  , ("stdenv", IncludeFix("stdenv/stdenv.fix"))
+  ]
+)