[Buildroot] [git commit] package/bdwgc: Fix 'undefined reference to __data_start' linker error on RISC-V
From: Yann E. MORIN <hidden>
Date: 2021-06-07 15:17:33
Subsystem:
the rest · Maintainer:
Linus Torvalds
commit: https://git.buildroot.net/buildroot/commit/?id=0f334a95ec9dc65be0c10c6bb686002e3f475035 branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master Backport an upstream patch fixing a link issue with libgc.so on RISC-V riscv64-buildroot-linux-musl/sysroot/usr/lib/libgc.so: undefined reference to `__data_start' https://gitlab.com/kubu93/buildroot/-/jobs/1229888983 Signed-off-by: Romain Naour <redacted> Reviewed-by: Alistair Francis <redacted> Signed-off-by: Yann E. MORIN <redacted> --- ...ed-reference-to-__data_start-linker-error.patch | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/package/bdwgc/0001-Fix-undefined-reference-to-__data_start-linker-error.patch b/package/bdwgc/0001-Fix-undefined-reference-to-__data_start-linker-error.patch
new file mode 100644
index 0000000000..81221c9f66
--- /dev/null
+++ b/package/bdwgc/0001-Fix-undefined-reference-to-__data_start-linker-error.patch@@ -0,0 +1,33 @@ +From 301ef15aefa6764466c374d07efb511b1c3862cc Mon Sep 17 00:00:00 2001 +From: Nikita Ermakov <coffe92@gmail.com> +Date: Wed, 20 May 2020 17:57:17 +0300 +Subject: [PATCH] Fix 'undefined reference to __data_start' linker error on + RISC-V + +Issue #294 (bdwgc). + +* include/private/gcconfig.h [RISCV && LINUX] (__data_start): Add +attribute(weak). + +(cherry picked from commit 538562ad01b181f4cc3913da1ac06a77945cd9b9) +Signed-off-by: Romain Naour <romain.naour@gmail.com> +--- + include/private/gcconfig.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/include/private/gcconfig.h b/include/private/gcconfig.h +index d9d45da1..d6cefa6f 100644 +--- a/include/private/gcconfig.h ++++ b/include/private/gcconfig.h +@@ -2943,7 +2943,7 @@ EXTERN_C_BEGIN + # define ALIGNMENT (CPP_WORDSZ/8) + # ifdef LINUX + # define OS_TYPE "LINUX" +- extern int __data_start[]; ++ extern int __data_start[] __attribute__((__weak__)); + # define DATASTART ((ptr_t)__data_start) + # define LINUX_STACKBOTTOM + # define DYNAMIC_LOADING +-- +2.30.2 +