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* external toolchain: fix sysroot location if the toolchain was movedYann E. MORIN2010-03-311-1/+8
| | | | | | | | | Sysrooted toolchain can be relocated. In this case, the sysroot is no longer located at the place it was configured at. Signed-off-by: Yann E. MORIN <yann.morin.1998@anciens.enib.fr> Acked-By: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* DNS resolv problem with glibcAnders Darander2009-09-151-1/+1
| | | | | | | | | | Fix problem with dns resolv, by copying the libnss_dns.so to the rootfs. Using glibc from external toolchain, name resolving does not work, unless libnss_dns.so is available on the target. Signed-off-by: Anders Darander <ad@datarespons.se> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* Fix PROGRAM_INVOCATION handling with external toolchainsThomas Petazzoni2009-07-311-1/+3
| | | | | | | | | | | | | BR2_UCLIBC_PROGRAM_INVOCATION is a toolchain configuration option, like BR2_INET_IPV6, BR2_INET_RPC, on which some packages depend. Therefore, it should be handled like BR2_INET_IPV6 and BR2_INET_RPC in order to work properly with external toolchains. Since we move it out of toolchain/uClibc/Config.in into toolchain/Config.in.2, we rename the option to BR2_PROGRAM_INVOCATION (since BR2_INET_RPC and others don't have UCLIBC in their name). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: check cross-compiler existenceThomas Petazzoni2009-07-171-0/+10
| | | | | | | | | As a minimal test to the external toolchain, check that $(TARGET_CC) is actually an existing executable file. That way, if the user misconfigures the toolchain path and/or prefix, a meaningful error message will be shown. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: respect $(Q)Thomas Petazzoni2009-07-171-5/+5
| | | | | | | | Use $(Q) in external toolchain support so that the user can get the full output by passing V=1 to make, and still get a nice and clean output by default. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: copy the C++ standard library if neededThomas Petazzoni2009-07-171-0/+4
| | | | | | | | Obey the BR2_INSTALL_LIBSTDCPP configuration option to copy the C++ standard library to the target. Suggested by Lionel Landwerlin <lionel.landwerlin@openwide.fr>. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: do not copy useless symbolic linksThomas Petazzoni2009-07-171-1/+1
| | | | | | | Do not copy .so symbolic links to target when not needed. Only copy .so.X symbolic links and the library itself. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: more documentation about the principlesThomas Petazzoni2009-07-171-0/+31
| | | | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: use LANG=C when calling gcc -vThomas Petazzoni2009-07-171-2/+2
| | | | | | | | | | | | Lionel Landwerlin <lionel.landwerlin@openwide.fr> reported that using the external toolchain support when LANG=fr_FR.UTF-8 doesn't work, since the messages printed by gcc -v are translated in another language, defeating the grep ^Configured test. Therefore, as per Lionel suggestion, we force LANG=C when calling $(TARGET_CC) -v. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external-toolchain: better documentation, cleanup, sysroot checkThomas Petazzoni2009-07-171-34/+81
| | | | | | | | | | | | | | | | * Introduce documentation for each function of ext-tool.mk, and document all parameters of the functions. * Pass SYSROOT_DIR as argument to all functions that require it, instead of computing it manually everywhere * Use $(shell) instead of backquotes * Check that the SYSROOT_DIR variable is not empty, which means that the external toolchain doesn't support --sysroot. In that case, bail out with a nice error message. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* external toolchain: fix libraries copy and add ARM ABI checkThomas Petazzoni2009-07-161-20/+37
| | | | | | | | | | Instead of hardcoding the C library versions, just copy the version available in $SYSROOT_DIR/lib. Add a check on the ARM ABI configured in Buildroot with regard to the ABI of the external toolchain provided. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Improve external toolchain checksThomas Petazzoni2009-06-151-0/+51
| | | | | | | | | | | | | | | | | | | | | This patch adds some checks on the external toolchains. First, it checks that the C library selection is correct, by looking if gcc is able to find the main C library file through the -print-file-name option. Then, it attempts to check if the Buildroot toolchain options match the configuration of the toolchain : * for glibc, it checks that IPv6, RPC, locales, wide-char, large file support Buildroot options are enabled, since with glibc all these features are always available (at least this is the assumption we make) ; * for uClibc, it checks the Buildroot options with the uClibc configuration file in $SYSROOT_DIR/usr/include/bits/uClibc_config.h Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Simple glibc-based external toolchain supportThomas Petazzoni2009-06-152-23/+26
| | | | | | | | | | | | | | | | | | | | The current Buildroot works just well with sysrootable glibc toolchains, using the external toolchain feature. The only thing that needs to be customized is the set of libraries that must be compiled to the target. The following patch takes a simple approach to making it easier for users to use glibc toolchains. It just adds a uClibc/glibc choice in the external toolchain menu. Then, depending on that selection, the configuration system will choose a sane default value for the library files list. The other advantage of having a uClibc/glibc choice is that in the future, we'll be able to add checks verifying that the external toolchain configuration matches the features selected in Buildroot (in terms of IPv6, RPC, locales or large file support). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* toolchain: revert r25193 (Change binary toolchain configuration)Peter Korsgaard2009-02-042-5/+1
| | | | As discussed on the list.
* Change binary toolchain configuration, soUlf Samuelsson2009-01-312-1/+5
| | | | | | | | | | | that the options become visible just below the config, instead of at bottom of screen Create a more useful default as toolchain path. Allow generation of a script which sets up paths to a binary toolchain generated by buildroot.
* Extend External Toolchain options (match buildroot built toolchain): Daniel Laird2009-01-301-60/+0
| | | | | | | | | | Have added options that mean you can set the same BR2_XXXX variables for external toolchain and internal (buildroot built) toolchain. This means the same set of packages can be built now me as for you..... Signed-off-by: Daniel Laird <daniel.j.laird@nxp.com>
* toolchain/external-toolchain/ext-tool.mk: Support non sysroot-able toolchainsDaniel Laird2009-01-121-3/+3
| | | | | | | Only copy the sysroot files if the toolchain was built with sysroot support. Signed-off-by: Daniel Laird <daniel.j.laird@nxp.com>
* toolchain: use same gdb Config.in for internal/external toolchainsPeter Korsgaard2008-12-152-81/+77
| | | | | | | | | | We used to use different gdb configs for internal and external toolchains because mconf won't source the same file twice. This works, but is kind of sub optimal, as people forget to keep them in sync. Fix it to use the same file for both situations by shuffling around the config options a bit. Should work identical to before (except for the newer gdb versions available for ext).
* Another external toolchain support solutionThomas Petazzoni2008-12-131-0/+6
| | | | | | | | | | | | | | | | | | | | * In toolchain/external-toolchain/ext-tool.mk, copy the contents of the sysroot directory to the staging dir. * In package/Makefile.in, add a --sysroot CFLAGS pointing to the staging dir * Remove the CFLAGS and LDFLAGS definition from TARGET_CONFIGURE_OPTS. I haven't investigated exactly why, but with these options, DirectFB fails to build because it cannot find PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP, even if DirectFB's Makefile properly sets -D_GNU_SOURCE. I have already sent this patch on December, 2nd to the mailing-list, but got no feedback. So let's commit and see what happens :-) Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* External toolchain C++ cross-compiler fixPeter Korsgaard2008-11-031-0/+6
| | | | | | | | | | | | | | | | External toolchain C++ cross-compiler fix package/Makefile.in resets CXX to "" in TARGET_CONFIGURE_OPTS if BR2_GCC_CROSS_CXX is not set to 'y'. However, when using an external toolchain, BR2_GCC_CROSS_CXX is not set even if the toolchain has a C++ cross-compiler. This patch adds a new BR2_GCC_CROSS_CXX option in the external toolchain configuration menu, so that just like BR2_INET_RPC, BR2_INET_IPV6 and the others, it can be set according to the external toolchain configuration. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* More external toolchain fixesPeter Korsgaard2008-11-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix issues with binary external toolchains Fix two problems encountered while using an external binary toolchain generated by crosstool-ng: - Don't remove the ending / in LIB_DIR, otherwise find $LIB_DIR -maxdepth 1 doesn't find any file in the case LIB_DIR is a symbolic link and not a directory. For some reason, find -maxdepth 1 doesn't have the same behaviour on directories and symbolic links. Demonstration: $ mkdir foobar $ touch foobar/t1 $ touch foobar/t2 $ ln -s foobar barfoo $ find foobar -maxdepth 1 -name 't*' foobar/t1 foobar/t2 $ find barfoo -maxdepth 1 -name 't*' $ find barfoo/ -maxdepth 1 -name 't*' barfoo/t1 barfoo/t2 * Make sure the libraries are writable, otherwise the strip operation might fail. The library files may not be writable if the toolchain is not writable (which may happen if one wants to prevent anyone from overwriting the toolchain, which is done by crosstool-ng, for example). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* External toolchain support improvementsPeter Korsgaard2008-11-031-13/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Improve external toolchain support * Do not put kernel-headers in the dependencies of BASE_TARGETS in the case where BR2_TOOLCHAIN_SOURCE is not y. The kernel headers are already supposed to be part of the external toolchain, so there's no need to download, extract and install them. * In the configuration system, don't display the kernel headers version selection list when an external toolchain is selected. This is implemented by moving the source "toolchain/kernel-headers/Config.in" inside the if BR2_TOOLCHAIN_SOURCE in toolchain/Config.in.2. * Change the description and help message of the BR2_LARGEFILE, BR2_INET_IPV6, BR2_INET_RPC, and BR2_SOFT_FLOAT option in toolchain/external-toolchain/Config.in. In the case of an external toolchain, the semantic of these options is not to enable large file support, IPV6 or RPC (since the toolchain is already compiled, it has been decided previously). Their semantic is to let Buildroot know about the characteristics of the external toolchain being used. As an improvement, we could guess these values automatically: - for BR2_LARGEFILE, look at the value of __UCLIBC_HAS_LFS__ in bits/uClibc_config.h in the libc headers directory. - for BR2_INET_RPC, look at the value of __UCLIBC_HAS_RPC__ in the same file - for BR2_INET_IPV6, look at the value of __UCLIBC_HAS_IPV6__ in the same file - for BR2_SOFT_FLOAT, look at the output of $(CC) -v 2>&1 | grep -- "--with-float=soft" But I'm not sure how this would be possible, since these values are used at configuration-time by other configuration options, not only at build time. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
* Typo fix in toolchain/external-toolchain/ext-tool.mkPeter Korsgaard2008-10-171-1/+1
| | | | | | From: Grant Likely <grant.likely@secretlab.ca> Comment block header documentation typo
* Kconfig: remove 'default n'Peter Korsgaard2008-07-171-3/+0
| | | | 'default n' is the default, so there's no need to say it explicitly.
* toolchain: more sensible uclibc defaults for external toolchainPeter Korsgaard2008-06-161-4/+4
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* - revert some bad checkins, fixup bad settings in atmel targets and move the ↵Bernhard Reutner-Fischer2007-09-261-3/+4
| | | | gcc target abi back to a place where the other arch-specific settings live
* reinstate AVR32 toolchainUlf Samuelsson2007-09-261-4/+3
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* - remove one invariant in toolchain type selection.Bernhard Reutner-Fischer2007-09-251-3/+4
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* - Subsume and collaps toolchain options in one menuBernhard Reutner-Fischer2007-09-221-1/+1
| | | | | This is ment to ease configuration by providing toolchain related options in one place No functional changes, just shuffling the menus around..
* - global whitespace trimmingBernhard Reutner-Fischer2007-08-221-37/+37
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* - random whitespace cleanupBernhard Reutner-Fischer2007-08-221-1/+1
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* - semicolon touchup. No other changesBernhard Reutner-Fischer2007-08-221-4/+4
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* Allow selection of RPC and IPv6 options for an external toolchain."Steven J. Hill"2007-07-171-0/+12
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* When using an external toolchain, we still need to have the user select ↵"Steven J. Hill"2007-04-281-2/+25
| | | | which thread model the toolchain was built with. This allows for proper building of LTP and possibly other packages.
* Some 'find' commands get a little picky."Steven J. Hill"2007-04-191-1/+1
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* Support building using an external toolchain. Questions to the mailing list ↵"Steven J. Hill"2007-02-062-0/+128
and all other comments to <biteme@devnull.com>.
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