On Fri, 26 May 2023 08:31:46 GMT, JoKern65 <[email protected]> wrote:
>> When using the new xlc17 compiler (based on a recent clang) to build OpenJDk
>> on AIX , we run into various "warnings as errors".
>> Some of those are in shared codebase and could be addressed by small
>> adjustments.
>> A lot of those changes are in hotspot, some might be somewhere else in the
>> OpenJDK C/C++ code.
>
> JoKern65 has updated the pull request incrementally with one additional
> commit since the last revision:
>
> forgotton _
Here are the reasons for the disabled warnings in
make/modules/java.base/lib/CoreLibraries.gmk
DISABLED_WARNINGS_clang_aix_ProcessHandleImpl_unix.c := sign-compare, \
DISABLED_WARNINGS_clang_aix := gnu-pointer-arith, \
DISABLED_WARNINGS_clang := gnu-pointer-arith format-nonliteral
deprecated-non-prototype, \
src/java.base/unix/native/libjava/ProcessHandleImpl_unix.c:638 comparison of
integers of different signs: 'int' and 'unsigned long'
if (ret < sizeof(psinfo_t)) {
^
src/java.base/aix/native/libjli/java_md_aix.c:42:38: error: arithmetic on a
pointer to void is a GNU extension [-Werror,-Wgnu-pointer-arith]
addr < p->ldinfo_textorg + p->ldinfo_textsize) {
~~~~~~~~~~~~~~~~~ ^
src/java.base/share/native/libzip/zlib/inffast.c:74:20: error: a function
definition without a prototype is deprecated in all versions of C and is not
supported in C2x [-Werror,-Wdeprecated-non-prototype]
void ZLIB_INTERNAL inflate_fast(strm, start)
^
src/java.base/share/native/libjli/java.c:2311:22: error: format string is not a
string literal [-Werror,-Wformat-nonliteral]
vfprintf(stderr, fmt, vl);
^~~
-------------
PR Comment: https://git.openjdk.org/jdk/pull/14146#issuecomment-1564165195
