diff --git a/src/auto/configure b/src/auto/configure
index 70ebb33..5c14648 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -6494,10 +6494,11 @@
       fi
 
 
-                              perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
+                                    perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
 		-e 'ccflags;perl_inc;print"\n"' | sed -e 's/-fno[^ ]*//' \
 		-e 's/-fdebug-prefix-map[^ ]*//g' \
 		-e 's/-pipe //' \
+		-e 's/-flto\(=auto\)\? //' \
 		-e 's/-W[^ ]*//g' \
 		-e 's/-D_FORTIFY_SOURCE=.//g'`
             perllibs=`cd $srcdir; $vi_cv_path_perl -MExtUtils::Embed -e 'ldopts' | \
@@ -10402,9 +10403,12 @@
 tmp_version = g_strdup("$min_gtk_version");
 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
    printf("%s, bad version string\n", "$min_gtk_version");
+   g_free(tmp_version);
    exit(1);
  }
 
+g_free(tmp_version);
+
 if ((gtk_major_version > major) ||
     ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
     ((gtk_major_version == major) && (gtk_minor_version == minor) &&
diff --git a/src/configure.ac b/src/configure.ac
index ebe0d08..664f219 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -1163,11 +1163,13 @@
       dnl Remove "-fno-something", it breaks using cproto.
       dnl Remove "-fdebug-prefix-map", it isn't supported by clang.
       dnl Remove "FORTIFY_SOURCE", it will be defined twice.
-      dnl remove -pipe and -Wxxx, it confuses cproto
+      dnl Remove -pipe and -Wxxx, it confuses cproto
+      dnl Remove -flto[=auto], it causes link failures for clang
       perlcppflags=`$vi_cv_path_perl -Mlib=$srcdir -MExtUtils::Embed \
 		-e 'ccflags;perl_inc;print"\n"' | sed -e 's/-fno[[^ ]]*//' \
 		-e 's/-fdebug-prefix-map[[^ ]]*//g' \
 		-e 's/-pipe //' \
+		-e 's/-flto\(=auto\)\? //' \
 		-e 's/-W[[^ ]]*//g' \
 		-e 's/-D_FORTIFY_SOURCE=.//g'`
       dnl Remove "-lc", it breaks on FreeBSD when using "-pthread".
diff --git a/src/version.c b/src/version.c
index e28a326..17a7899 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    104,
+/**/
     103,
 /**/
     102,