--- build/unix/configure.ac.orig	2023-08-06 08:54:07 UTC
+++ build/unix/configure.ac
@@ -48,7 +48,7 @@ AS_IF(
         DEBUGCFLAGS="-O0 -g3 -ggdb"
         AC_MSG_NOTICE([Debug mode enabled.])
     ],
-    [DEBUGCFLAGS="-O3 -g3 -DNDEBUG"]
+#    [DEBUGCFLAGS="-O3 -g3 -DNDEBUG"]
 )
 
 AS_IF(
@@ -88,10 +88,10 @@ AS_IF(
 AS_IF(
     [test "x$X86" = "xtrue"],
     [
-        MFLAGS="$MFLAGS -mfpmath=sse -msse2"
+#        MFLAGS="$MFLAGS -mfpmath=sse -msse2"
         COMPWARNFLAGS="$COMPWARNFLAGS -Wno-ignored-attributes"
         # We need this to use CMPXCHG16B for 2x64-bit CAS (compare and swap)
-        AS_IF([test "x$BITS" = "x64"], [MFLAGS="$MFLAGS -mcx16"])
+#        AS_IF([test "x$BITS" = "x64"], [MFLAGS="$MFLAGS -mcx16"])
     ]
 )
 
@@ -100,7 +100,7 @@ AS_IF(
     [
         MFLAGS="-ftree-vectorize"
 
-        AX_CHECK_COMPILE_FLAG([-mfpu=neon], [MFLAGS="$MFLAGS -mfpu=neon"])
+#       AX_CHECK_COMPILE_FLAG([-mfpu=neon], [MFLAGS="$MFLAGS -mfpu=neon"])
 
         # GCC 7 emits some warnings about ABI changes when using std::vector
         AX_CHECK_COMPILE_FLAG([-Wpsabi], [COMPWARNFLAGS="$COMPWARNFLAGS -Wno-psabi"], , [-Werror])