Hi, The use of __attribute__ is currently enabled by checking for __SUNPRO_C. However, this compiler only added support for __attribute__ keywords in version 5.10 [1]. This patch adds a version check to only enable this for supported versions [2].
I have tested this with Sun C 5.8 on a Solaris 9 SPARC system, building 9.5.4 (+OpenSSL 1.1.0 patches). [1] Compiler features by release: http://www.oracle.com/technetwork/systems/cccompare-137792.html [2] Pre-defined compiler macros: https://sourceforge.net/p/predef/wiki/Compilers/#oracle-solaris-studio Thanks, -- Andy Grundman // an...@activestate.com
0001-Don-t-use-__attribute__-for-old-Sun-C-versions.patch
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