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From ea1e2c5e18dd0790fb9b2af2bd947f4981736dc2 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 7 Nov 2015 20:23:49 -0500
Subject: [PATCH] work around toolchains with broken visibility in
libgcc/libpcc
---
configure | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/configure b/configure
index dece1d0..ee21771 100755
--- a/configure
+++ b/configure
@@ -534,6 +534,11 @@ tryldflag LDFLAGS_AUTO -Wl,--hash-style=both
# runtime library; implementation error is also a possibility.
tryldflag LDFLAGS_AUTO -Wl,--no-undefined
+# Avoid exporting symbols from compiler runtime libraries. They
+# should be hidden anyway, but some toolchains including old gcc
+# versions built without shared library support and pcc are broken.
+tryldflag LDFLAGS_AUTO -Wl,--exclude-libs=ALL
+
test "$shared" = "no" || {
# Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions
LDFLAGS_DUMMY=
--
2.7.0
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