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comparison build.sh @ 1212:19f3be2b4d04

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Teach build.sh to build host compiler if necessary for CROSS_HOST_ARCH.
author Rob Landley <rob@landley.net>
date Wed, 18 Aug 2010 15:58:02 -0500
parents 3c8d91339f2a
children 8a88cae14011
comparison
equal deleted inserted replaced
1211:e0c2ba5cc233 1212:19f3be2b4d04
1 #!/bin/bash 1 #!/bin/bash
2 2
3 # Run all the steps needed to build a system image from scratch. 3 # Run all the steps needed to build a system image from scratch.
4 4
5 # The default set of stages run by this script is: 5 # The default set of stages run by this script is (in order):
6 # download, host-tools, simple-cross-compiler, simple-root-filesystem, 6 # download, host-tools, simple-cross-compiler, simple-root-filesystem,
7 # native-compiler, root-filesystem, system-image. 7 # native-compiler, root-filesystem, system-image.
8 8
9 # That sanitizes the host build environment and builds a cross compiler, 9 # That sanitizes the host build environment and builds a cross compiler,
10 # cross compiles a root filesystem and a native toolchain for the target, 10 # cross compiles a root filesystem and a native toolchain for the target,
21 # NO_HOST_TOOLS=1 NO_NATIVE_COMPILER=1 ./build.sh $TARGET 21 # NO_HOST_TOOLS=1 NO_NATIVE_COMPILER=1 ./build.sh $TARGET
22 22
23 # The optional cross-compiler stage (after simple-cross-compiler but before 23 # The optional cross-compiler stage (after simple-cross-compiler but before
24 # simple-root-filesystem) creates a more powerful and portable cross compiler 24 # simple-root-filesystem) creates a more powerful and portable cross compiler
25 # that can be used to cross compile more stuff (if you're into that sort of 25 # that can be used to cross compile more stuff (if you're into that sort of
26 # thing). To enable it, "export CROSS_HOST_ARCH=i686" (or whichever target 26 # thing). To enable that:
27 # you want the new cross compiler to run on). 27
28 # CROSS_HOST_ARCH=i686 ./build.sh $TARGET
29
30 # Where "i686" is whichever target you want the new cross compiler to run on.
28 31
29 # Start with some housekeeping stuff. If this script was run with no 32 # Start with some housekeeping stuff. If this script was run with no
30 # arguments, list available architectures out of sources/targets. 33 # arguments, list available architectures out of sources/targets.
31 34
32 if [ $# -ne 1 ] 35 if [ $# -ne 1 ]
100 103
101 if [ ! -z "$CROSS_HOST_ARCH" ] && not_already cross-compiler 104 if [ ! -z "$CROSS_HOST_ARCH" ] && not_already cross-compiler
102 then 105 then
103 rm -rf "$BUILD/simple-root-filesystem-$ARCH.tar.bz2" 106 rm -rf "$BUILD/simple-root-filesystem-$ARCH.tar.bz2"
104 107
108 # Build the host compiler if necessary
109
110 if ARCH="$CROSS_HOST_ARCH" not_already simple-cross-compiler
111 then
112 time ./simple-cross-compiler.sh "$CROSS_HOST_ARCH" || exit 1
113 fi
114
105 time ./cross-compiler.sh "$ARCH" || exit 1 115 time ./cross-compiler.sh "$ARCH" || exit 1
106 fi 116 fi
107 117
108 # Build the basic root filesystem. 118 # Build the basic root filesystem.
109 119