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Diffstat (limited to 'erts/configure.in')
| -rw-r--r-- | erts/configure.in | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/erts/configure.in b/erts/configure.in index b070ad0649..5f969a0a8b 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -2783,6 +2783,32 @@ AC_SUBST(HIPE_ENABLED) NATIVE_LIBS_ENABLED= if test X${enable_native_libs} = Xyes -a X${HIPE_ENABLED} = Xyes; then NATIVE_LIBS_ENABLED=yes + cat >> $ERL_TOP/erts/CONF_INFO <<EOF + + WARNING: In OTP 22, HiPE (the native code compiler) is + not fully functional. The reasons for this are: + + 1. There are new BEAM instructions for binary + matching that the HiPE native code compiler does not + support. + + 2. The new optimizations in the Erlang compiler create + new combination of instructions that HiPE currently + does not handle correctly. + + If erlc is invoked like so: + + erlc +native some_file.erl + + or like so: + + erlc +native some_file.beam + + and if any of the new binary matching instructions + are used, the compiler will issue a warning and + produce a BEAM file without native code. + +EOF fi AC_SUBST(NATIVE_LIBS_ENABLED) |