On 2019-09-25 14:33 -0500, Douglas R. Reno via blfs-dev wrote:
> On 9/25/19 2:24 PM, Xi Ruoyao via blfs-dev wrote:
> > I tried to grep "llvm" and "LLVM" in gst-plugins-bad-1.16.1 source code
> > tree.
> > All references seem related to Mac OS, nothing Linux.
> In gst-plugins-bad.1.14.4, when autotools was still supported, LLVM was
> listed as a dependency in the configure script, which is why we
> documented it
The only code snip containing "llvm" in configure:
> $as_echo_n "checking whether $CC is Clang... " >&6; }
> if ${ax_cv_PTHREAD_CLANG+:} false; then :
> $as_echo_n "(cached) " >&6
> else
> ax_cv_PTHREAD_CLANG=no
> # Note that Autoconf sets GCC=yes for Clang as well as GCC
> if test "x$GCC" = "xyes"; then
> cat confdefs.h - <<_ACEOF >conftest.$ac_ext
> /* end confdefs.h. */
> /* Note: Clang 2.7 lacks __clang_[a-z]+__ */
> # if defined(__clang__) && defined(__llvm__)
> AX_PTHREAD_CC_IS_CLANG
> # endif
>
> _ACEOF
> if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
> $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then :
> ax_cv_PTHREAD_CLANG=yes
> fi
> rm -f conftest*
This is just for testing if the compiler is clang. Absolutely not a dependency.
--
Xi Ruoyao <xry...@mengyan1223.wang>
School of Aerospace Science and Technology, Xidian University
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