* Package:    dev-util/perf-5.6.4
 * Repository: gentoo
 * Maintainer: naota@gentoo.org dlan@gentoo.org
 * USE:        abi_x86_64 amd64 clang crypt demangle doc elibc_glibc gtk kernel_linux python_targets_python2_7 python_targets_python3_6 userland_GNU zlib
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     5.6.4-gentoo
 * Checking for suitable kernel configuration options...
 [ ok ]
>>> Unpacking source...
>>> Unpacking linux-5.6.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-5.6.4/work
 * Filtering partial source patch ...
 [ ok ]
>>> Source unpacked in /var/tmp/portage/dev-util/perf-5.6.4/work
>>> Preparing source in /var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf ...
 * Applying perf-5.6.4.patch ...
 [ ok ]
/var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf ...
/var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/build/feature /var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf
x86_64-pc-linux-gnu-clang++ -O2 -pipe -march=native -falign-functions=32:25:16 -fno-common -Wformat -Werror=format-security -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++11 				\
	-I/usr/lib/llvm/10/include 		\
	-L/usr/lib/llvm/10/lib64		\
	-Wl,--start-group -lclangBasic -lclangDriver	\
	  -lclangFrontend -lclangEdit -lclangLex	\
	  -lclangAST -Wl,--end-group 			\
	-lLLVM-10	\
			\
	> test-clang.make.output 2>&1
make: *** [Makefile:306: test-clang.bin] Error 1
 * ERROR: dev-util/perf-5.6.4::gentoo failed (compile phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line 125:  Called src_compile
 *   environment, line 3204:  Called die
 * The specific snippet of code:
 *           make V=1 CXX=${CHOST}-clang++ test-clang.bin || die;
 * 
 * If you need support, post the output of `emerge --info '=dev-util/perf-5.6.4::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-util/perf-5.6.4::gentoo'`.
 * The complete build log is located at '/var/log/portage/dev-util:perf-5.6.4:20200420-131023.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-util/perf-5.6.4/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-util/perf-5.6.4/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/build/feature'
 * S: '/var/tmp/portage/dev-util/perf-5.6.4/work/linux-5.6/tools/perf'