-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
-e 's|@''NEXT_MATH_H''@|$(NEXT_MATH_H)|g' \
-e 's|@''GNULIB_CEILF''@|$(GNULIB_CEILF)|g' \
-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
-e 's|@''NEXT_MATH_H''@|$(NEXT_MATH_H)|g' \
-e 's|@''GNULIB_CEILF''@|$(GNULIB_CEILF)|g' \