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-rw-r--r--chapter8/m4.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/chapter8/m4.sh b/chapter8/m4.sh
index 1ccef8e..1c24928 100644
--- a/chapter8/m4.sh
+++ b/chapter8/m4.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+set -e
sed -i 's/IO_ftrylockfile/IO_EOF_SEEN/' lib/*.c
echo "#define _IO_IN_BACKUP 0x100" >> lib/stdio-impl.h