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Re: Selecting a C++ compiler
On 10/12/17 20:15, Jason Bacon wrote:
All of the GCC build issues I encountered on CentOS were solved by
On 10/12/17 18:30, Greg Troxel wrote:
Jason Bacon<bacon4000%gmail.com@localhost> writes:
Well, it didn't take long to hit a problem on CentOS 6. Apparently
GCC 4.4.7 cannot compile the current gcc5.
That's really unfortunate. If we can't patch it, I wonder if that
means people on older systems should do some multistage bootstrap from a
script before running pkgsrc proper.
Or maybe they should build and use clang.
Hold the phone...
Most of the GCC issues I'm hitting seem to be caused by FORTIFY_SOURCE.
I see that the current Joyent packages for CentOS 7 are missing 4.9,
5, and 6. Only 4.8 and 7 are present. I hit the same failures in my
bulk builds, but so far PKGSRC_USE_FORTIFY=no fixed 4.9 and 5. My
gcc6 build is running now. All these are using 4.8 as the base
compiler. I'll attempt another gcc5 build using the 4.4 base compiler
+ PKGSRC_USE_FORTIFY=no shortly and will report more tomorrow after
sorting all this out.
I have successfully built gcc49, gcc5, gcc6, and gcc7 using gcc48 as a base.
I have successfully build gcc48 and gcc5 using the CentOS 4.4.7 as a base.
Darwin 16 seems to have different issues.
Earth is a beta site.
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