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package/go: needs PIE support

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When built statically, runc try to link against Scrt1.o which is not
provided by uClibc ARM toolchain for static build only.

[...]arm-buildroot-linux-uclibcgnueabi/bin/ld: cannot find Scrt1.o: No such file or directory
collect2: error: ld returned 1 exit status

On ARM, Go forces the use of -pie, for some reason:

    pie := (goarch == "arm" && goos == "linux") || goos == "android"
    if pie { // we need to use -pie for Linux/ARM to get accurate imported sym
              cgoLDFLAGS = append(cgoLDFLAGS, "-pie")
    }

For this reason, add a dependency on BR2_TOOLCHAIN_SUPPORTS_PIE for ARM
CPUs to disable Go for such toolchains.

While at it, rewrap Go dependencies.

[1] http://lists.busybox.net/pipermail/buildroot/2016-July/167206.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Christian Stewart <christian@paral.in>
Tested-by: Christian Stewart <christian@paral.in>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2016-07-24 17:39:43 +02:00 committed by Thomas Petazzoni
parent 3c93901bcd
commit 5f2ff60644
1 changed files with 3 additions and 1 deletions
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4
package/go/Config.in.host
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@ -1,7 +1,9 @@
config BR2_PACKAGE_HOST_GO_ARCH_SUPPORTS
bool
default y
depends on BR2_arm || BR2_aarch64 || BR2_i386 || BR2_x86_64 || BR2_powerpc64 || BR2_powerpc64le || BR2_mips64 || BR2_mips64el
depends on (BR2_arm && BR2_TOOLCHAIN_SUPPORTS_PIE) || BR2_aarch64 \
|| BR2_i386 || BR2_x86_64 || BR2_powerpc64 || BR2_powerpc64le \
|| BR2_mips64 || BR2_mips64el
depends on !BR2_ARM_CPU_ARMV4
# MIPS R6 support in Go has not yet been developed.
depends on !BR2_mips_64r6