--- fox-1.7.84/configure.ac.orig	2023-09-11 23:22:01.000000000 +0200
+++ fox-1.7.84/configure.ac	2023-10-25 06:16:57.746509915 +0200
@@ -65,9 +65,6 @@ AC_SUBST(LT_CURRENT)
 AC_SUBST(LT_REVISION)
 AC_SUBST(LT_AGE)
 
-# Prevents setting flags.
-CXXFLAGS=""
-
 # More secret source
 AC_GNU_SOURCE
 
@@ -133,7 +130,7 @@ AC_MSG_CHECKING(for debugging)
 AC_ARG_ENABLE(debug,[  --enable-debug          compile for debugging])
 AC_MSG_RESULT([$enable_debug])
 if test "x$enable_debug" = "xyes" ; then
-  CXXFLAGS="${CXXFLAGS} -g -DDEBUG"
+  CXXFLAGS="${CXXFLAGS} -DDEBUG"
 fi
 
 # Building for release
@@ -141,7 +138,7 @@ AC_MSG_CHECKING(for release build)
 AC_ARG_ENABLE(release,[  --enable-release        compile for release])
 AC_MSG_RESULT([$enable_release])
 if test "x$enable_release" = "xyes" ; then
-  CXXFLAGS="${CXXFLAGS} -O3 -DNDEBUG"
+  CXXFLAGS="${CXXFLAGS} -DNDEBUG"
   if test "${GXX}" = "yes" ; then
     CXXFLAGS="${CXXFLAGS} -ffast-math -fstrict-overflow -fstrict-aliasing -finline-functions -fomit-frame-pointer -fcf-protection=none -fno-stack-protector"
     LDFLAGS="-s ${LDFLAGS}"