From: Khem Raj <raj.khem@gmail.com>
To: musl@lists.openwall.com
Cc: Khem Raj <raj.khem@gmail.com>
Subject: [PATCH 1/2] configure: Use -print-libgcc-file-name to detect compiler runtime
Date: Wed, 15 Mar 2017 22:22:06 -0700 [thread overview]
Message-ID: <20170316052207.32412-1-raj.khem@gmail.com> (raw)
This uses compiler to provide the path to its default runtime
library libgcc/compiler-rt, when using clang we can set
CC="clang --rtlib={compiler-rt|libgcc}" and it will find
the right compiler runtime when autodetecting it
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
configure | 2 ++
1 file changed, 2 insertions(+)
diff --git a/configure b/configure
index c2db298c..0c670dd8 100755
--- a/configure
+++ b/configure
@@ -587,6 +587,8 @@ tryldflag LDFLAGS_AUTO -Wl,--exclude-libs=ALL
tryldflag LDFLAGS_AUTO -Wl,-Bsymbolic-functions
# Find compiler runtime library
+test -z "$LIBCC" && try_libcc=`$CC -print-libgcc-file-name 2>/dev/null` \
+ && tryldflag LIBCC "$try_libcc"
test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh
test -z "$LIBCC" && tryldflag LIBCC -lcompiler_rt
test -z "$LIBCC" && try_libcc=`$CC -print-file-name=libpcc.a 2>/dev/null` \
--
2.12.0
next reply other threads:[~2017-03-16 5:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 5:22 Khem Raj [this message]
2017-03-16 5:22 ` [PATCH 2/2] configure: Remove -lgcc_eh from LIBCC Khem Raj
2017-03-25 18:11 ` [PATCH 1/2] configure: Use -print-libgcc-file-name to detect compiler runtime Dmitry Golovin
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