--- a/configure
+++ a/configure
@@ -192,7 +192,7 @@ gcov="no"
 gcov_tool="gcov"
 EXESUF=""
 prefix="/usr/local"
-mandir="\${prefix}/share/man"
+mandir="\${prefix}/man"
 datadir="\${prefix}/share"
 qemu_docdir="\${prefix}/share/doc/qemu"
 bindir="\${prefix}/bin"
@@ -1980,7 +1980,7 @@ if test "$gtk" != "no"; then
     if $pkg_config --exists "$gtkpackage >= $gtkversion"; then
         gtk_cflags=`$pkg_config --cflags $gtkpackage`
         gtk_libs=`$pkg_config --libs $gtkpackage`
-        libs_softmmu="$gtk_libs $libs_softmmu"
+        libs_softmmu="$gtk_libs -lintl $libs_softmmu"
         gtk="yes"
     elif test "$gtk" = "yes"; then
         feature_not_found "gtk" "Install gtk2 or gtk3 (requires --with-gtkabi=3.0 option to configure) devel"
@@ -3320,15 +3320,18 @@ if compile_prog "" "" ; then
 fi
 
 # Check if tools are available to build documentation.
+#if test "$docs" != "no" ; then
+#  if has makeinfo && has pod2man; then
+#    docs=yes
+#  else
+#    if test "$docs" = "yes" ; then
+#      feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
+#    fi
+#    docs=no
+#  fi
+#fi
 if test "$docs" != "no" ; then
-  if has makeinfo && has pod2man; then
-    docs=yes
-  else
-    if test "$docs" = "yes" ; then
-      feature_not_found "docs" "Install texinfo and Perl/perl-podlators"
-    fi
-    docs=no
-  fi
+  docs=yes
 fi
 
 # Search for bswap_32 function
@@ -3498,6 +3501,17 @@ fi
 
 # check for libusb
 if test "$libusb" != "no" ; then
+    cat > $TMPC << EOF
+#include <libusb.h>
+
+int main(void) { return libusb_get_port_path(NULL, NULL, NULL, 0); }
+EOF
+    if compile_prog "-Werror" "-lusb -pthread" ; then
+        libusb="yes"
+        libusb_cflags=""
+        libusb_libs=-lusb
+        libs_softmmu="$libs_softmmu $libusb_libs"
+    else
     if $pkg_config --atleast-version=1.0.13 libusb-1.0; then
         libusb="yes"
         libusb_cflags=$($pkg_config --cflags libusb-1.0)
@@ -3510,6 +3524,7 @@ if test "$libusb" != "no" ; then
         fi
         libusb="no"
     fi
+    fi
 fi
 
 # check for usbredirparser for usb network redirection support