From: Heiko Thiery Date: Tue, 19 May 2020 06:53:21 +0000 (+0200) Subject: package/vboot-utils: fix -fno-common build failure X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=19f726b9888f1bc4bb6284f2bcc417f5598c7723;p=buildroot.git package/vboot-utils: fix -fno-common build failure Added upstream patch for fixing build failure when using GCC10 as a host compiler (-fno-common is now default). Fixes: http://autobuild.buildroot.net/results/aca662d9fd7052f3b361b731cd266edb3b6c41b0 http://autobuild.buildroot.net/results/6546b284cf306a2fde3c69d67daf9aacffa9e143 http://autobuild.buildroot.net/results/db20bb3c11a1a9558a5d8021015c6915f99097c8 Cc: Romain Naour Signed-off-by: Heiko Thiery Signed-off-by: Thomas Petazzoni --- diff --git a/package/vboot-utils/0007-Make-vboot_version-extern-in-header.patch b/package/vboot-utils/0007-Make-vboot_version-extern-in-header.patch new file mode 100644 index 0000000000..6a3929f3c0 --- /dev/null +++ b/package/vboot-utils/0007-Make-vboot_version-extern-in-header.patch @@ -0,0 +1,50 @@ +From df4d2000a22db673a788b8e57e8e7c0cc3cee777 Mon Sep 17 00:00:00 2001 +From: Leonard Chan +Date: Thu, 3 Oct 2019 18:53:04 -0700 +Subject: [PATCH] Make vboot_version extern in header + +When enabling `-fno-common` in Fuchsia, we get a bunch of linker errors +when linking futility: + +``` +ld.lld: error: duplicate symbol: vboot_version +>>> defined at futility.h:43 (../../third_party/vboot_reference/futility/futility.h:43) +>>> host_x63-asan_no_detect_leaks/obj/third_party/vboot_reference/futility/futility.cmd_bdb.c.o:(vboot_version) +>>> defined at futility.h:43 (../../third_party/vboot_reference/futility/futility.h:43) +>>> host_x64-asan_no_detect_leaks/obj/third_party/vboot_reference/futility/futility.cmd_create.c.o:(.bss.vboot_version+0x0) +``` + +and think this is because -fno-common places vboot_version for +unitialized global variables in the BSS section of each object file. +Making it extern instead resolves each reference to its definition in +futility/misc.c. + +Change-Id: I591f07abd1f975a8a9d078bb4366e2e0861390b4 +Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/1839207 +Reviewed-by: Julius Werner +Reviewed-by: Joel Kitching +Commit-Queue: Julius Werner +Tested-by: Julius Werner + +Patch taken from upstream: https://chromium.googlesource.com/chromiumos/platform/vboot_reference/+/df4d2000a22db673a788b8e57e8e7c0cc3cee777 +Signed-off-by: Heiko Thiery +--- + futility/futility.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/futility/futility.h b/futility/futility.h +index 3bce1106..5dc426dd 100644 +--- a/futility/futility.h ++++ b/futility/futility.h +@@ -41,7 +41,7 @@ enum vboot_version { + }; + + /* What's our preferred API & data format? */ +-enum vboot_version vboot_version; ++extern enum vboot_version vboot_version; + + /* Here's a structure to define the commands that futility implements. */ + struct futil_cmd_t { +-- +2.20.1 +