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author | Jon Loeliger <jdl@freescale.com> | 2006-09-19 08:51:24 -0500 |
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committer | Jon Loeliger <jdl@freescale.com> | 2006-09-19 08:51:24 -0500 |
commit | afa98843e4665add11b69496341053b268156e3a (patch) | |
tree | 116878b6b94920a5f282d0a16e4b9ad9dfaf57ff /README | |
parent | b440d0ef72e6278973d3220c10136a4c0624c286 (diff) | |
parent | aeec782b020930732eab075af97212c3f03afcae (diff) | |
download | u-boot-imx-afa98843e4665add11b69496341053b268156e3a.zip u-boot-imx-afa98843e4665add11b69496341053b268156e3a.tar.gz u-boot-imx-afa98843e4665add11b69496341053b268156e3a.tar.bz2 |
Merge branch 'master' of http://www.denx.de/git/u-boot
Conflicts:
board/stxxtc/Makefile
Diffstat (limited to 'README')
-rw-r--r-- | README | 55 |
1 files changed, 49 insertions, 6 deletions
@@ -2328,6 +2328,26 @@ images ready for download to / installation on your system: - "u-boot" is an image in ELF binary format - "u-boot.srec" is in Motorola S-Record format +By default the build is performed locally and the objects are saved +in the source directory. One of the two methods can be used to change +this behavior and build U-Boot to some external directory: + +1. Add O= to the make command line invocations: + + make O=/tmp/build distclean + make O=/tmp/build NAME_config + make O=/tmp/build all + +2. Set environment variable BUILD_DIR to point to the desired location: + + export BUILD_DIR=/tmp/build + make distclean + make NAME_config + make all + +Note that the command line "O=" setting overrides the BUILD_DIR environment +variable. + Please be aware that the Makefiles assume you are using GNU make, so for instance on NetBSD you might need to use "gmake" instead of @@ -2381,6 +2401,22 @@ or to build on a native PowerPC system you can type CROSS_COMPILE=' ' MAKEALL +When using the MAKEALL script, the default behaviour is to build U-Boot +in the source directory. This location can be changed by setting the +BUILD_DIR environment variable. Also, for each target built, the MAKEALL +script saves two log files (<target>.ERR and <target>.MAKEALL) in the +<source dir>/LOG directory. This default location can be changed by +setting the MAKEALL_LOGDIR environment variable. For example: + + export BUILD_DIR=/tmp/build + export MAKEALL_LOGDIR=/tmp/log + CROSS_COMPILE=ppc_8xx- MAKEALL + +With the above settings build objects are saved in the /tmp/build, log +files are saved in the /tmp/log and the source tree remains clean during +the whole build process. + + See also "U-Boot Porting Guide" below. @@ -3523,12 +3559,19 @@ Coding Standards: ----------------- All contributions to U-Boot should conform to the Linux kernel -coding style; see the file "Documentation/CodingStyle" in your Linux -kernel source directory. - -Please note that U-Boot is implemented in C (and to some small parts -in Assembler); no C++ is used, so please do not use C++ style -comments (//) in your code. +coding style; see the file "Documentation/CodingStyle" and the script +"scripts/Lindent" in your Linux kernel source directory. In sources +originating from U-Boot a style corresponding to "Lindent -pcs" (adding +spaces before parameters to function calls) is actually used. + +Source files originating from a different project (for example the +MTD subsystem) are generally exempt from these guidelines and are not +reformated to ease subsequent migration to newer versions of those +sources. + +Please note that U-Boot is implemented in C (and to some small parts in +Assembler); no C++ is used, so please do not use C++ style comments (//) +in your code. Please also stick to the following formatting rules: - remove any trailing white space |