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Calling AC_CHECK_DECLS before we've finished setting up the compiler's CFLAGS seems like a pretty risky proposition, especially now that the first use of that macro will result in a test to see whether the compiler gives warning or error for undeclared built-in functions. That answer could very easily get changed later than where PGAC_LLVM_SUPPORT is called; furthermore, it's hardly unlikely that flags such as -D_GNU_SOURCE could change visibility of declarations. Hence, be a little less cavalier about where to do LLVM-related tests. This results in v11 and HEAD doing the warning-or-error check at the same place in the script as older branches are doing it, which seems like a good thing. Per further thought about commits |
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ac_func_accept_argtypes.m4 | ||
ax_prog_perl_modules.m4 | ||
ax_pthread.m4 | ||
c-compiler.m4 | ||
c-library.m4 | ||
check_decls.m4 | ||
config.guess | ||
config.sub | ||
docbook.m4 | ||
general.m4 | ||
install-sh | ||
libtool.m4 | ||
llvm.m4 | ||
Makefile | ||
missing | ||
perl.m4 | ||
pkg.m4 | ||
prep_buildtree | ||
programs.m4 | ||
python.m4 | ||
tcl.m4 |