Update of sr #110530 (project autoconf):
Status: None => Invalid
Open/Closed: Open => Closed
Operating System: Mac OS => None
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Follow-up Comment #10:
> However, *none* of that should affect AC_FUNC_MEMCMP, because it *doesn't*
use either of those, and string.h is (or should be) automatically included via
AC_INCLUDES_DEFAULT. Something else must be wrong.
Yes, the thing that's wrong is that the configure.ac in question is busted: it
has an AC_CHECK_HEADER nested inside a shell "if", and AC_CHECK_HEADERS's
prerequisites are thus being skipped which means HAVE_STRING_H isn't set.
Here's a simple fix:
diff --git a/configure.ac b/configure.ac
index 233b7b1..77c1ac0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,8 @@ if test "$disable_libusb_1_0" = "no"; then
fi
fi
-if test "$have_libusb_1_0" = "no"; then
+AS_IF([test "$have_libusb_1_0" = "no"],
+[
dnl Fallback to the old libusb
dnl libusb >= 0.1.8 is required, as we need usb_interrupt_read()
AS_ECHO("using libusb");
@@ -45,7 +46,7 @@ if test "$have_libusb_1_0" = "no"; then
AC_CHECK_LIB(usb, usb_interrupt_read,
[LIBS="$LIBS -lusb"
HAVE_USB=yes]))
-fi
+])
dnl The following logic is useful for distributions. If they force
dnl USB support with --enable-libusb=yes then configure will fail
I'd report this to dfu-programmer except I don't see where the project says
how to report bugs and I've spent too much time on this already. There are
lots of other problems with that configure.ac: current Autoconf generates a
blizzard of warnings about it.
Perhaps somebody else has the time to figure out how to report the fix and
further problems to the dfu-programmer developers. In the meantime I'm closing
the Autoconf bug report, as this is not an Autoconf bug.
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