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| author | Romain Naour <romain.naour@gmail.com> | 2017-04-16 21:49:06 +0200 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2017-04-17 15:08:22 +0200 |
| commit | c5b56b0a20b2be24878d8bae66fbe665e8fea698 (patch) | |
| tree | e2121f533aaa4faaff41117f982cb6926a463c6b | |
| parent | 51597e99e963075c20e5e6ed193aa02d50a98b29 (diff) | |
| download | buildroot-c5b56b0a20b2be24878d8bae66fbe665e8fea698.tar.gz buildroot-c5b56b0a20b2be24878d8bae66fbe665e8fea698.zip | |
package/libunwind: disable for x86 with uClibc toolchain
libunwind use sigreturn() while building for x86 [1] but this function
is not available with uClibc-ng.
This throw a warning during libunwind build:
In file included from x86/Los-linux.c:4:0:
x86/Gos-linux.c: In function ‘_ULx86_local_resume’:
x86/Gos-linux.c:298:7: warning: implicit declaration of function ‘sigreturn’ [-Wimplicit-function-declaration]
sigreturn (sc);
^
But any program trying to link against libunwind-generic.so fail to build:
[...]usr/lib/libunwind-generic.so: undefined reference to `sigreturn'
collect2: error: ld returned 1 exit status
Disable libunwind for x86 target when uClibc-ng is used.
Fixes:
http://autobuild.buildroot.net/results/54a/54afac8148cff5f3c17e83f80917fd9006948fe0//build-end.log
[1] http://git.savannah.gnu.org/gitweb/?p=libunwind.git;a=blob;f=src/x86/Gos-linux.c;h=17aebc2974af50eb0bf8292689b2ed22a4c97866;hb=HEAD#l299
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Tested-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | package/libunwind/Config.in | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/package/libunwind/Config.in b/package/libunwind/Config.in index 5527a2bc21..9007ce51c2 100644 --- a/package/libunwind/Config.in +++ b/package/libunwind/Config.in @@ -15,7 +15,7 @@ config BR2_PACKAGE_LIBUNWIND_ARCH_SUPPORTS BR2_mips64el || BR2_powerpc || BR2_sh || BR2_i386 || BR2_x86_64) default y if BR2_TOOLCHAIN_USES_UCLIBC && \ (((BR2_arm || BR2_armeb) && BR2_ARM_CPU_HAS_ARM) || \ - BR2_i386 || BR2_mips || BR2_mipsel || \ + BR2_mips || BR2_mipsel || \ BR2_mips64 || BR2_mips64el || BR2_x86_64) default y if BR2_TOOLCHAIN_USES_MUSL && \ (((BR2_arm || BR2_armeb) && BR2_ARM_CPU_HAS_ARM) || \ |
