Ticket #43428: patch-configure.in.diff

configure.in

@@ -592 +592 @@
 #--------------------------------------------------------------------
 
 AC_MSG_CHECKING(whether ... arguments behave correctly)
+SAVE_CXXFLAGS="$CXXFLAGS"
 if test -z "$GUILE_CFLAGS"; then
   CXXFLAGS="`guile-config compile`"
 else
@@ -610 +611 @@
 ],[
   AC_MSG_RESULT(no)
 ])
-CXXFLAGS=""
 
 AC_MSG_CHECKING(the size_t of guile strings)
 if test -z "$GUILE_CFLAGS"; then
@@ -632 +632 @@
   AC_DEFINE(guile_str_size_t, size_t, [Guile string size type])
   AC_MSG_RESULT(size_t)
 ])
-CXXFLAGS=""
+CXXFLAGS="$SAVE_CXXFLAGS"
 
 AC_MSG_CHECKING([if statically linking with guile works])
 SAVE_CPPFLAGS="$CPPFLAGS"
@@ -1167 +1167 @@
     STD_DEBUG_FLAGS=""
 fi
 
+SAVE_CXXFLAGS="$CXXFLAGS"
 AC_MSG_CHECKING(if compiler supports $STD_DEBUG_FLAGS)
 CXXFLAGS="$STD_DEBUG_FLAGS"
 AC_TRY_COMPILE([
@@ -1179 +1180 @@
     CONFIG_CXXDIALECT=""
     AC_MSG_RESULT(no)
 ])
-CXXFLAGS=""
+CXXFLAGS="$SAVE_CXXFLAGS"
 AC_SUBST(CONFIG_CXXDIALECT)
 
 AC_ARG_ENABLE(profile,