-AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
-[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])
+AC_CHECK_HEADERS(sys/gmon_out.h)
+
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(gprof_cv_decl_getopt_unistd_h,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
+gprof_cv_decl_getopt_unistd_h=yes, gprof_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($gprof_cv_decl_getopt_unistd_h)
+if test $gprof_cv_decl_getopt_unistd_h = yes; then
+ AC_DEFINE([HAVE_DECL_GETOPT], 1,
+ [Is the prototype for getopt in <unistd.h> in the expected format?])
+fi
+
+# Some systems have fabs only in -lm, not in -lc.
+AC_SEARCH_LIBS(fabs, m)
+
+AM_BINUTILS_WARNINGS
+
+dnl Required by html, pdf, install-pdf and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+AC_SUBST(pdfdir)
+
+AC_CONFIG_FILES([Makefile po/Makefile.in:po/Make-in])
+AC_OUTPUT