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* gcc: remove BR2_GCC_SHARED_LIBGCC optionThomas Petazzoni2013-07-113-18/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | Commit 6b48b4803450 ("add a know to enable/disable building a shared libgcc"), from october 2006, isn't really as to why a BR2_GCC_SHARED_LIBGCC option was needed. However, now that gcc has been converted to the package infrastructure, it causes problems because the host packages are always being passed --enable-shared --disable-static, so re-adding --disable-shared on top of that break things. Moreover, our tests indicate that both a shared *and* a static version of libgcc are built, and that linking dynamically and statically a program that uses libgcc_s gives correct results: dynamically linked against libgcc_s in the first case, statically linked in the second case. Therefore, it appears that this option is no longer necessary, and removing it has the advantage of fixing the builds of qemu_mips64_malta_defconfig and qemu_sparc_ss10_defconfig, both of which had BR2_GCC_SHARED_LIBGCC not enabled. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc: re-add upstream URL for arc specific gcc variantPeter Korsgaard2013-07-071-0/+2
| | | | | | | | Got dropped in the gcc -> packages work. Fixes http://autobuild.buildroot.net/results/08e/08e8149c9889141d644896e1fd3e0d2f14299033/ Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc: apply PowerPC patch when neededThomas Petazzoni2013-07-051-0/+9
| | | | | | | | | | | | | | When converting gcc to the package infrastructure, a specific thing for PowerPC was forgotten: applying the conditional patch powerpc-link-with-math-lib.patch.conditional. This breaks the build of some PowerPC toolchains, with failures such as: <http://jenkins.free-electrons.com/job/buildroot/./config=qemu_ppc_virtex_ml507_defconfig/ws/output/host/usr/lib/gcc/powerpc-buildroot-linux-uclibc/4.7.3/../../../../powerpc-buildroot-linux-uclibc/lib/libgcc_s.so.1>: undefined reference to `copysignl' Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Tested-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc: fix avr32 typoPeter Korsgaard2013-07-051-1/+1
| | | | | Reported-by: Arnout Vandecappelle <arnout@mind.be> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* eglibc: enable support in the Buildroot toolchain backendThomas Petazzoni2013-07-043-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Using the newly introduced 'eglibc' package, this commit enables the option of building a toolchain using the eglibc C library in the Buildroot toolchain backend. In details, this commit: * Creates a choice to select uClibc or eglibc in the Buildroot toolchain backend (in toolchain/toolchain-buildroot/Config.in), and removes the fact that the Buildroot toolchain backend forcefully enables uClibc (toolchain/Config.in). * Creates a BUILDROOT_LIBC variables, which points to the package implementing the C library (i.e either 'uclibc' or 'eglibc'). * Modifies the gcc-final and gcc-intermediate makefiles to use the BUILDROOT_LIBC variable instead of hardcoding the use of uclibc. * Ensures that TLS support is always enabled when building eglibc. [Peter: fix commit text to refer to BUILDROOT_LIBC] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* uclibc: convert to the package infrastructureThomas Petazzoni2013-07-041-1/+1
| | | | | | [Peter: update manual to match] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc-initial, gcc-intermediate, gcc-final: optimize extractionThomas Petazzoni2013-07-0310-122/+23
| | | | | | | | | | | | | | | | Several sub-directories of the gcc code base are in fact not needed for the Buildroot build: libjava/, libgo/ and gcc/testsuite/ being the biggest ones. Avoiding their extraction saves quite a bit of disk space, and compensates a bit the fact that we now extract three times the gcc source code. This requires changing the 100-uclibc-conf.patch to no longer patch files from the libjava/ directory, since this directory is no longer extracted. [Peter: add comment about why this is done] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* toolchain: switch to using gcc through package infrastructureThomas Petazzoni2013-07-0355-0/+2749
| | | | | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc-final: new packageThomas Petazzoni2013-07-031-0/+135
| | | | | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc-intermediate: new packageThomas Petazzoni2013-07-031-0/+43
| | | | | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc-initial: new packageThomas Petazzoni2013-07-031-0/+37
| | | | | Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
* gcc: common definitionsThomas Petazzoni2013-07-032-0/+290
[Peter: tweak file header] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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