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From 0bab935695ebcf0c533b49896ab18ff33d4a47d1 Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@arm.com>
Date: Tue, 26 May 2020 14:38:02 -0500
Subject: [PATCH] allow setting sysroot for libgcc lookup
Explicitly pass the new variable LIBGCC_LOCATE_CFLAGS variable when searching
for the compiler libraries as there's no easy way to reliably pass --sysroot
otherwise.
Upstream-Status: Pending [https://github.com/OP-TEE/optee_os/issues/4188]
Signed-off-by: Ross Burton <ross.burton@arm.com>
---
mk/gcc.mk | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/mk/gcc.mk b/mk/gcc.mk
index adc77a24..81bfa78a 100644
--- a/mk/gcc.mk
+++ b/mk/gcc.mk
@@ -13,11 +13,11 @@ nostdinc$(sm) := -nostdinc -isystem $(shell $(CC$(sm)) \
-print-file-name=include 2> /dev/null)
# Get location of libgcc from gcc
-libgcc$(sm) := $(shell $(CC$(sm)) $(CFLAGS$(arch-bits-$(sm))) \
+libgcc$(sm) := $(shell $(CC$(sm)) $(LIBGCC_LOCATE_CFLAGS) $(CFLAGS$(arch-bits-$(sm))) \
-print-libgcc-file-name 2> /dev/null)
-libstdc++$(sm) := $(shell $(CXX$(sm)) $(CXXFLAGS$(arch-bits-$(sm))) $(comp-cxxflags$(sm)) \
+libstdc++$(sm) := $(shell $(CXX$(sm)) $(LIBGCC_LOCATE_CFLAGS) $(CXXFLAGS$(arch-bits-$(sm))) $(comp-cxxflags$(sm)) \
-print-file-name=libstdc++.a 2> /dev/null)
-libgcc_eh$(sm) := $(shell $(CXX$(sm)) $(CXXFLAGS$(arch-bits-$(sm))) $(comp-cxxflags$(sm)) \
+libgcc_eh$(sm) := $(shell $(CXX$(sm)) $(LIBGCC_LOCATE_CFLAGS) $(CXXFLAGS$(arch-bits-$(sm))) $(comp-cxxflags$(sm)) \
-print-file-name=libgcc_eh.a 2> /dev/null)
# Define these to something to discover accidental use
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