# Install the include directory using tar.
install-headers-tar: stmp-headers install-include-dir
- cd include; tar cf - . | (cd $(libsubdir)/include; tar $(TAROUTOPTS) - )
+ cd include; \
+ (tar cf - .; exit 0) | (cd $(libsubdir)/include; tar $(TAROUTOPTS) - )
+# /bin/sh on some systems returns the status of the first tar,
+# and that can lose with GNU tar which always writes a full block.
+# So use `exit 0' to ignore its exit status.
# Install the include directory using cpio.
install-headers-cpio: stmp-headers install-include-dir