Remove -Werror.
Intentionally break python and gtk-doc detection.
Remove gtester2xunit test; we're not building tests.

Index: configure
--- configure.orig
+++ configure
@@ -4118,7 +4118,7 @@ fi
     esac
 
     if test "$enable_compile_warnings" = "error" ; then
-        warning_flags="$warning_flags -Werror"
+        warning_flags="$warning_flags"
     fi
 
         for option in $warning_flags; do
@@ -14239,7 +14239,7 @@ fi
 
 
 
-  gtk_doc_requires="gtk-doc >= 1.0"
+  gtk_doc_requires="invalid-gtk-doc >= 1.0"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gtk-doc" >&5
 $as_echo_n "checking for gtk-doc... " >&6; }
   if test -n "$PKG_CONFIG" && \
@@ -14265,7 +14265,7 @@ $as_echo "$as_me: WARNING:
   fi
 
             # Extract the first word of "gtkdoc-check", so it can be a program name with args.
-set dummy gtkdoc-check; ac_word=$2
+set dummy invalid-gtkdoc-check; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
 if ${ac_cv_prog_GTKDOC_CHECK+:} false; then :
@@ -14302,7 +14302,7 @@ fi
 
 
   # Extract the first word of "gtkdoc-check", so it can be a program name with args.
-set dummy gtkdoc-check; ac_word=$2
+set dummy invalid-gtkdoc-check; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
 if ${ac_cv_path_GTKDOC_CHECK_PATH+:} false; then :
@@ -14612,7 +14612,7 @@ fi
 ###########################
 
 # Extract the first word of "python", so it can be a program name with args.
-set dummy python; ac_word=$2
+set dummy invalid-python; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
 if ${ac_cv_path_PYTHON+:} false; then :
@@ -14651,16 +14651,6 @@ $as_echo "no" >&6; }
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gtester2xunit dependencies" >&5
-$as_echo_n "checking for gtester2xunit dependencies... " >&6; }
-if !($PYTHON -c "import libxslt, libxml2" 2> /dev/null); then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-  as_fn_error $? "You need to install python-libxslt1 and python-libxml2" "$LINENO" 5;
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }
-
 ###########################
 # Headless tests
 ###########################
@@ -15374,7 +15364,7 @@ rm -f core conftest.err conftest.$ac_objext \
   rm -f conf.gtktest
 
 
-CFLAGS="$CFLAGS -Wall -Werror -Wno-error=deprecated-declarations -Wempty-body -Wformat-security -Winit-self -Warray-bounds -Wimplicit-function-declaration -lm"
+CFLAGS="$CFLAGS -Wall -Wno-error=deprecated-declarations -Wempty-body -Wformat-security -Winit-self -Warray-bounds -Wimplicit-function-declaration -lm"