JDK-7152519 : Dependency on non-POSIX header file causes portability problem
- Type: Bug
- Component: client-libs
- Sub-Component: 2d
- Affected Version: 7
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- OS: linux
- CPU: x86
- Submitted: 2012-03-09
- Updated: 2013-08-21
- Resolved: 2012-04-25
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| JDK 7 | JDK 8 |
|---|---|
7u40Fixed  |
8 b36Fixed |
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Description
FULL PRODUCT VERSION : ADDITIONAL OS VERSION INFORMATION : Linux 3.0, IBM AIX 7.1 A DESCRIPTION OF THE PROBLEM : link.h is included in following source files from OpenJDK codebase src/solaris/npt/npt_md.h src/solaris/native/sun/awt/fontpath.c src/solaris/native/sun/java2d/opengl/OGLFuncs_md.h src/solaris/native/sun/java2d/x11/XRBackendNative.c src/solaris/native/sun/security/pkcs11/j2secmod_md.c src/solaris/native/sun/security/pkcs11/wrapper/p11_md.c src/solaris/native/sun/security/jgss/wrapper/NativeFunc.c src/solaris/native/sun/security/smartcardio/pcsc_md.c src/solaris/native/sun/nio/fs/GnomeFileTypeDetector.c But link.h is not part of POSIX standard, see http://en.wikipedia.org/wiki/C_POSIX_library, moreover this including causes portability problem for other Unix-like platforms, such as AIX. So far as I see, OpenJDK only uses POSIX.1-2001 compatible dlopen, dlclose, dlsym, dlerror functions, no special extensions involved, so here suggest to remove link.h and use dlfcn.h only. REPRODUCIBILITY : This bug can be reproduced always.
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