* Package:    dev-util/perf-5.15-r1
 * Repository: gentoo
 * Maintainer: naota@gentoo.org dlan@gentoo.org,amadio@gentoo.org,zlogene@gentoo.org
 * USE:        abi_x86_64 amd64 clang crypt doc elibc_glibc kernel_linux libpfm lzma python_targets_python3_9 systemtap unwind userland_GNU zlib
 * FEATURES:   compressdebug network-sandbox preserve-libs sandbox splitdebug userpriv usersandbox
 * Using python3.9 in global scope
>>> Unpacking source...
>>> Unpacking linux-5.15.tar.xz (tools/arch tools/build tools/include tools/lib tools/perf tools/scripts scripts include lib arch/*/lib) to /var/tmp/portage/dev-util/perf-5.15-r1/work
>>> Source unpacked in /var/tmp/portage/dev-util/perf-5.15-r1/work
>>> Preparing source in /var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf ...
 * Applying perf-5.15-clang.patch ...
patching file tools/build/feature/Makefile
patching file tools/perf/Makefile.config
patching file tools/perf/util/c++/clang.cpp
patching file tools/build/feature/Makefile
patching file tools/perf/Makefile.perf
 [ ok ]
/var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf ...
make: Entering directory '/var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/build/feature'
x86_64-pc-linux-gnu-clang++ -pipe -march=native -fno-diagnostics-color -Og -g -falign-functions=32:25:16 -MD -Wall -Werror -o test-clang.bin test-clang.cpp -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 > test-clang.make.output 2>&1 -std=gnu++14					\
	-I/usr/lib/llvm/13/include 		\
	-L/usr/lib/llvm/13/lib64		\
	-lLLVM-13			\
			\
	-lclang-cpp					\
	> test-clang.make.output 2>&1
make: *** [Makefile:312: test-clang.bin] Error 1
make: Leaving directory '/var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/build/feature'
 * ERROR: dev-util/perf-5.15-r1::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 127:  Called src_compile
 *   environment, line 3283:  Called die
 * The specific snippet of code:
 *           make -C "${S_K}/tools/build/feature" V=1 CXX=${CHOST}-clang++ test-clang.bin || die;
 * 
 * If you need support, post the output of `emerge --info '=dev-util/perf-5.15-r1::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/perf-5.15-r1::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-util:perf-5.15-r1:20220127-171845.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-util/perf-5.15-r1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/perf-5.15-r1/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf'
 * S: '/var/tmp/portage/dev-util/perf-5.15-r1/work/linux-5.15/tools/perf'