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authorGravatar Yann E. MORIN <yann.morin.1998@free.fr>2015-11-09 20:00:21 +0100
committerGravatar Peter Korsgaard <peter@korsgaard.com>2016-01-20 00:12:41 +0100
commit91ea9331275d5074be9202a6d866f6a6a860b8d9 (patch)
treee5ea812dade05bd8a2a22e3822a7fc447eecd896 /package/libnspr
parent9a1e9efe2618ebbf12ed2567bcd6e8cca5619547 (diff)
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core: fix setting of HOSTARCH
Currently, we set HOSTARCH to the output of `uname -m`. This gives us the architecture as seen by the running kernel. For example, we would end up with 'x86_64' for a 64-bit kernel running on an x86_64 processor. We use that value to determine whether we can run some binary tools, like our pre-configured external toolchains. However, one may be running a userland in a different bitness than that of the running kernel. For example, one may run in a 32-bit chroot, even though the kernel is running in 64-bit. Up until recently, this was not an issue because the pre-configured external toolchains were all requiring an i386 (x86 in Buildroot parlance). But since we introduced the latest Linaro toolchains, we now have toolchains that require a 64-bit userland. So, when running on a 64-bit kernel, we believe those toolchains are available, even when the user is running a 32-bit userland. This causes build failures for our autobuilders, like so: http://autobuild.buildroot.org/results/9cd/9cdf10ec5b31144b2e03ea09cf128702339895b3/ with the following symptoms: >>> toolchain-external undefined Configuring Cannot execute cross-compiler '/home/test/autobuild/instance-3/output/host/opt/ext-toolchain/bin/aarch64-linux-gnu-gcc' So, instead of relying on the output of `uname -r`, look for the host gcc and extract the target it was configured to generate code for. Fixes: http://autobuild.buildroot.org/results/9cd/9cdf10ec5b31144b2e03ea09cf128702339895b3/ (aarch64) http://autobuild.buildroot.org/results/888/8889aa7d9fb48370e4760a6edbc6d3ae945f02f2/ (arm) and many more... Besides fixing those issues, it will also allow us to add the 64-bit variants of toolchains when they exist, like the upcoming Codescape MTI and IMG toolchains for MIPS from Imagination Technologies. [Peter: use HOSTCC_NOCCACHE] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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