During an exp-run for llvm 15 (see bug 265425), it turned out that
java/openjdk8 failed to build with clang 15:
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:64:30: error: incompatible pointer to integer conversion returning 'void *' from a function with result type 'int' [-Wint-conversion]
INVOKE(SplashLoadMemory, NULL)(pdata, size);
^~~~
/usr/include/sys/_null.h:34:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:60:39: note: expanded from macro 'INVOKE'
#define INVOKE(name,def) _INVOKE(name,def,return)
^~~
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:57:25: note: expanded from macro '_INVOKE'
if (!proc) { return def; } \
^~~
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:68:28: error: incompatible pointer to integer conversion returning 'void *' from a function with result type 'int' [-Wint-conversion]
INVOKE(SplashLoadFile, NULL)(filename);
^~~~
/usr/include/sys/_null.h:34:14: note: expanded from macro 'NULL'
#define NULL ((void *)0)
^~~~~~~~~~~
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:60:39: note: expanded from macro 'INVOKE'
#define INVOKE(name,def) _INVOKE(name,def,return)
^~~
/wrkdirs/usr/ports/java/openjdk8/work/jdk8u-jdk8u352-b08.1/jdk/src/share/bin/splashscreen_stubs.c:57:25: note: expanded from macro '_INVOKE'
if (!proc) { return def; } \
^~~
2 errors generated.
Indeed, instead of the pointer value NULL, the integer value 0 should be
used.
PR: 268223
Approved by: portmgr (tcberner)
MFH: 2022Q4
d7146f6d33