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Diffstat (limited to '0015-kconfig-detect-LD-implementation.patch')
-rw-r--r-- | 0015-kconfig-detect-LD-implementation.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/0015-kconfig-detect-LD-implementation.patch b/0015-kconfig-detect-LD-implementation.patch new file mode 100644 index 0000000..f2fc24a --- /dev/null +++ b/0015-kconfig-detect-LD-implementation.patch @@ -0,0 +1,46 @@ +From 3754bd128d1a6b3d5864d1a3ee5d27b67d35387a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= <roger.pau@citrix.com> +Date: Tue, 7 Jun 2022 14:05:06 +0200 +Subject: [PATCH 15/32] kconfig: detect LD implementation +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Detect GNU and LLVM ld implementations. This is required for further +patches that will introduce diverging behaviour depending on the +linker implementation in use. + +Note that LLVM ld returns "compatible with GNU linkers" as part of the +version string, so be on the safe side and use '^' to only match at +the start of the line in case LLVM ever decides to change the text to +use "compatible with GNU ld" instead. + +Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> +Reviewed-by: Michal Orzel <michal.orzel@arm.com> +Acked-by: Julien Grall <jgrall@amazon.com> +master commit: c70c4b624f85f7d4e28c70a804a0a3f20d73092b +master date: 2022-05-02 08:50:39 +0200 +--- + xen/Kconfig | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/xen/Kconfig b/xen/Kconfig +index bcbd2758e5d3..0c89afd50fcf 100644 +--- a/xen/Kconfig ++++ b/xen/Kconfig +@@ -23,6 +23,12 @@ config CLANG_VERSION + int + default $(shell,$(BASEDIR)/scripts/clang-version.sh $(CC)) + ++config LD_IS_GNU ++ def_bool $(success,$(LD) --version | head -n 1 | grep -q "^GNU ld") ++ ++config LD_IS_LLVM ++ def_bool $(success,$(LD) --version | head -n 1 | grep -q "^LLD") ++ + # -fvisibility=hidden reduces -fpic cost, if it's available + config CC_HAS_VISIBILITY_ATTRIBUTE + def_bool $(cc-option,-fvisibility=hidden) +-- +2.35.1 + |