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-rw-r--r--pkgs/build-support/gcc-wrapper/gcc-wrapper.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh b/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
index 2ad7783a442..c53fd44207d 100644
--- a/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
+++ b/pkgs/build-support/gcc-wrapper/gcc-wrapper.sh
@@ -77,6 +77,7 @@ if test "$NIX_ENFORCE_PURITY" = "1" -a -n "$NIX_STORE"; then
         n=$((n + 1))
     done
     params=("${rest[@]}")
+    NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE --sysroot=/var/empty"
 fi