[cfe-users] PostgreSQL 12 build issues on Solaris 11.4

[Dechaux Eric CEN (BCQ STIG) via cfe-users]

Hello,

With the official llvm/clang release for Solaris 11.4 I tried to build 
PostgreSQL 12 with JIT enabled. JIT uses LLVM. However, the build fails 
with the following error :

gmake[2] : on entre dans le répertoire 
« /tmp/build/pg12/postgresql-12.0/src/backend/jit/llvm »
g++ -Wall -Wpointer-arith -Wendif-labels -Wmissing-format-attribute 
-Wformat-security -fno-strict-aliasing -fwrapv -O2 -march=native 
-mtune=native -std=c++11 -fno-rtti -fPIC -D__STDC_LIMIT_MACROS 
-D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS 
-I/appli/stig/llvm/clang+llvm-9.0.0-amd64-pc-solaris2.11/include 
-I../../../../src/include  -I/usr/include/libxml2   -c -o 
llvmjit_inline.o llvmjit_inline.cpp
Dans le fichier inclus depuis /usr/include/sys/ucontext.h:14,
                  depuis /usr/include/sys/signal.h:197,
                  depuis /usr/include/sys/procset.h:17,
                  depuis /usr/include/sys/wait.h:22,
                  depuis /usr/include/stdlib.h:16,
                  depuis /usr/gcc/9/include/c++/9.1.0/cstdlib:75,
                  depuis /usr/gcc/9/include/c++/9.1.0/stdlib.h:36,
                  depuis ../../../../src/include/c.h:60,
                  depuis ../../../../src/include/postgres.h:46,
                  depuis llvmjit_inline.cpp:24:
/appli/stig/llvm/clang+llvm-9.0.0-amd64-pc-solaris2.11/include/llvm/IR/DebugInfoMetadata.h:493:45: 
erreur: expected « , » or « ... » before numeric constant
   493 |          Optional<ChecksumInfo<MDString *>> CS, 
Optional<MDString *> Src,
       |                                             ^~

I have encountered this issue quite often on Solaris as CS is defined in 
a system header included by stdlib.h :

$ gegrep '[[:space:]]CS[[:space:]]' /usr/include/sys/regset.h
#define CS              15

I can see a new regset clean of this define is provided in 
include/llvm/Support/Solaris/sys/regset.h. How this header should be 
included ?


Thanks.

-- Eric


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