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authorMatúš Olekšák <oleksak.matus@gmail.com>2018-02-21 12:03:04 -0500
committerRich Felker <dalias@aerifal.cx>2018-02-21 12:07:16 -0500
commitfcf24b9f388d650a92375079461198f5db3ed88a (patch)
tree76c1955d657776bf52eeff826673feeaae23d73c /configure
parent6d6102427d8d5450bd28788c792f97ef90cce274 (diff)
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fix detection of LIBCC for compiler-rt with clang
Maintainer's note: at one point, -lcompiler_rt apparently worked, and may still work and be preferable if one has manually installed the library in a public lib directory. but with current versions of clang, the full pathname to the library file is needed. the original patch removed the -lcompiler_rt check; I have left it in place in case there are users depending on it, and since, when it does work, it's preferable so as not to code a dependency on the specific compiler version and paths in config.mak.
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure b/configure
index 501a7219..1e59c461 100755
--- a/configure
+++ b/configure
@@ -598,6 +598,8 @@ tryldflag LDFLAGS_AUTO -Wl,-Bsymbolic-functions
# Find compiler runtime library
test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh
test -z "$LIBCC" && tryldflag LIBCC -lcompiler_rt
+test -z "$LIBCC" && try_libcc=`$CC -print-libgcc-file-name 2>/dev/null` \
+ && tryldflag LIBCC "$try_libcc"
test -z "$LIBCC" && try_libcc=`$CC -print-file-name=libpcc.a 2>/dev/null` \
&& tryldflag LIBCC "$try_libcc"
printf "using compiler runtime libraries: %s\n" "$LIBCC"