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-rwxr-xr-xcontrib/guix/libexec/build.sh9
1 files changed, 8 insertions, 1 deletions
diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
index e457840d15..02ef800963 100755
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -240,7 +240,7 @@ mkdir -p "$OUTDIR"
# CONFIGFLAGS
CONFIGFLAGS="--enable-reduce-exports --disable-bench --disable-gui-tests --disable-fuzz-binary"
case "$HOST" in
- *linux*) CONFIGFLAGS+=" --enable-glibc-back-compat" ;;
+ *linux*) CONFIGFLAGS+=" --disable-threadlocal" ;;
esac
# CFLAGS
@@ -260,6 +260,13 @@ case "$HOST" in
*mingw*) HOST_LDFLAGS="-Wl,--no-insert-timestamp" ;;
esac
+# Using --no-tls-get-addr-optimize retains compatibility with glibc 2.17, by
+# avoiding a PowerPC64 optimisation available in glibc 2.22 and later.
+# https://sourceware.org/binutils/docs-2.35/ld/PowerPC64-ELF64.html
+case "$HOST" in
+ *powerpc64*) HOST_LDFLAGS="${HOST_LDFLAGS} -Wl,--no-tls-get-addr-optimize" ;;
+esac
+
case "$HOST" in
powerpc64-linux-*|riscv64-linux-*) HOST_LDFLAGS="${HOST_LDFLAGS} -Wl,-z,noexecstack" ;;
esac