Fixes building on iOS

.gitignore

@@ -5,7 +5,6 @@
 /config.stamp
 /config.log
 /config.status
-/configure
 
 /doc/html.xsl
 /doc/manpages.xsl

bin/pprof

@@ -2840,6 +2840,7 @@ sub RemoveUninterestingFrames {
                       'rallocx', # jemalloc
                       'xallocx', # jemalloc
                       'dallocx', # jemalloc
+                      'sdallocx', # jemalloc
                       'tc_calloc',
                       'tc_cfree',
                       'tc_malloc',
@@ -4167,7 +4168,7 @@ sub ReadThreadedHeapProfile {
       my $thread = $2;
       my ($n1, $s1, $n2, $s2) = ($3, $4, $5, $6);
       my @counts = AdjustSamples($sample_adjustment, $sampling_algorithm,
-                                 $n1, $s2, $n2, $s2);
+                                 $n1, $s1, $n2, $s2);
       if ($thread eq "*") {
         AddEntries($profile, $pcs, FixCallerAddresses($stack), $counts[$index]);
       } else {

config.sub

@@ -1404,6 +1404,9 @@ case $os in
 	-mac*)
 		os=`echo $os | sed -e 's|mac|macos|'`
 		;;
+	# Apple iOS
+	-ios*)
+		;;
 	-linux-dietlibc)
 		os=-linux-dietlibc
 		;;