# cat sconf.log
file /var/tmp/portage/games-action/dxx-rebirth-0.59.100/work/dxx-rebirth_v0.59.100-src/SConstruct,line 3645:
    Configure(confdir = .sconf_temp)
scons: dxx: version: <SCons.Script.ComputedExtraVersion object at 0x7f1ffa8397d0>
scons: Configure: DXX-Archive.3: checking version of C++ compiler 'x86_64-pc-linux-gnu-g++' ...
scons: Configure: 'x86_64-pc-linux-gnu-g++ (Gentoo 6.4.0-r1 p1.3) 6.4.0'

scons: Configure: DXX-Archive.3: checking path to assembler ...
scons: Configure: '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as'

scons: Configure: DXX-Archive.3: checking version of assembler '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as' ...
scons: Configure: 'GNU assembler (Gentoo 2.29.1 p3) 2.29.1'

scons: Configure: DXX-Archive.3: checking path to linker ...
scons: Configure: '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld'

scons: Configure: DXX-Archive.3: checking version of linker '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld' ...
scons: Configure: 'GNU ld (Gentoo 2.29.1 p3) 2.29.1'

scons: Configure: DXX-Archive.3:    CXX: 'x86_64-pc-linux-gnu-g++'

scons: Configure: DXX-Archive.3:    CPPDEFINES: None

scons: Configure: DXX-Archive.3:    CPPPATH: ['common/include', 'common/main', '.', '']

scons: Configure: DXX-Archive.3:    CPPFLAGS: ['-Wno-sign-compare']

scons: Configure: DXX-Archive.3:    CXXFLAGS: ['-ftabstop=4', '-Wall', '-Wshadow', '-Werror=extra', '-Werror=format=2', '-Werror=missing-braces', '-Werror=missing-include-dirs', '-Werror=uninitialized', '-Werror=undef', '-Werror=pointer-arith', '-Werror=cast-qual', '-Werror=missing-declarations', '-Werror=redundant-decls', '-Werror=vla', '-pthread', '-funsigned-char', '-O2', '-pipe', '-march=bdver1', '-mtune=bdver1', '-mno-movbe', '-mno-fma', '-mno-bmi', '-mno-tbm', '--param', 'l1-cache-size=16', '--param', 'l1-cache-line-size=64', '--param', 'l2-cache-size=2048']

scons: Configure: DXX-Archive.3:    LIBS: None

scons: Configure: DXX-Archive.3:    LINKFLAGS: ['-Wl,-O1', '-Wl,--as-needed']

scons: Configure: DXX-Archive.3:    $CCACHE_PREFIX: None

scons: Configure: DXX-Archive.3:    $DISTCC_HOSTS: None

scons: Configure: DXX-Archive.3: checking whether C++ compiler and linker work...
.sconf_temp/conftest_0.cpp <-
  |
  |
  |/* This test is always false.  Use a non-trivial condition to
  | * discourage external text scanners from recognizing that the block
  | * is never compiled.
  | */
  |#if 1 < -1
  |-63939611
  |// 'x86_64-pc-linux-gnu-g++' => 'x86_64-pc-linux-gnu-g++ (Gentoo 6.4.0-r1 p1.3) 6.4.0'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=as' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as' => 'GNU assembler (Gentoo 2.29.1 p3) 2.29.1'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=ld' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld' => 'GNU ld (Gentoo 2.29.1 p3) 2.29.1'
  |
  |#endif
  |
  |
  |
  |
  |#undef main  /* avoid -Dmain=SDL_main from libSDL */
  |int main(int argc,char**argv){(void)argc;(void)argv;
  |
  |
  |;}
  |
x86_64-pc-linux-gnu-g++ -c -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Werror -Wno-sign-compare -Icommon/include -Icommon/main -I. .sconf_temp/conftest_0.cpp -o .sconf_temp/conftest_0.o
x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Werror -Wl,-O1 -Wl,--as-needed .sconf_temp/conftest_0.o -o .sconf_temp/conftest_0
scons: Configure: yes

scons: Configure: DXX-Archive.3: checking whether C++ compiler accepts -std=gnu++14...
.sconf_temp/conftest_1.cpp <-
  |
  |
  |/* This test is always false.  Use a non-trivial condition to
  | * discourage external text scanners from recognizing that the block
  | * is never compiled.
  | */
  |#if 1 < -1
  |-63939611
  |// 'x86_64-pc-linux-gnu-g++' => 'x86_64-pc-linux-gnu-g++ (Gentoo 6.4.0-r1 p1.3) 6.4.0'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=as' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as' => 'GNU assembler (Gentoo 2.29.1 p3) 2.29.1'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=ld' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld' => 'GNU ld (Gentoo 2.29.1 p3) 2.29.1'
  |
  |#endif
  |
  |
  |
  |
  |#undef main  /* avoid -Dmain=SDL_main from libSDL */
  |int main(int argc,char**argv){(void)argc;(void)argv;
  |
  |
  |;}
  |
x86_64-pc-linux-gnu-g++ -c -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm l1-cache-size=16 l1-cache-line-size=64 --param l2-cache-size=2048 -std=gnu++14 -Werror -Wno-sign-compare -Icommon/include -Icommon/main -I. .sconf_temp/conftest_1.cpp -o .sconf_temp/conftest_1.o
x86_64-pc-linux-gnu-g++: error: l1-cache-size=16: No such file or directory
x86_64-pc-linux-gnu-g++: error: l1-cache-line-size=64: No such file or directory
scons: Configure: no

scons: Configure: DXX-Archive.3: checking whether C++ compiler accepts -std=gnu++11...
.sconf_temp/conftest_2.cpp <-
  |
  |
  |/* This test is always false.  Use a non-trivial condition to
  | * discourage external text scanners from recognizing that the block
  | * is never compiled.
  | */
  |#if 1 < -1
  |-63939611
  |// 'x86_64-pc-linux-gnu-g++' => 'x86_64-pc-linux-gnu-g++ (Gentoo 6.4.0-r1 p1.3) 6.4.0'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=as' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/as' => 'GNU assembler (Gentoo 2.29.1 p3) 2.29.1'
  |// 'x86_64-pc-linux-gnu-g++ -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm --param l1-cache-size=16 --param l1-cache-line-size=64 --param l2-cache-size=2048 -Wl,-O1 -Wl,--as-needed -print-prog-name=ld' => '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld'
  |// '/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.0/../../../../x86_64-pc-linux-gnu/bin/ld' => 'GNU ld (Gentoo 2.29.1 p3) 2.29.1'
  |
  |#endif
  |
  |
  |
  |
  |#undef main  /* avoid -Dmain=SDL_main from libSDL */
  |int main(int argc,char**argv){(void)argc;(void)argv;
  |
  |
  |;}
  |
x86_64-pc-linux-gnu-g++ -c -ftabstop=4 -Wall -Wshadow -Werror=extra -Werror=format=2 -Werror=missing-braces -Werror=missing-include-dirs -Werror=uninitialized -Werror=undef -Werror=pointer-arith -Werror=cast-qual -Werror=missing-declarations -Werror=redundant-decls -Werror=vla -pthread -funsigned-char -O2 -pipe -march=bdver1 -mtune=bdver1 -mno-movbe -mno-fma -mno-bmi -mno-tbm l1-cache-size=16 l1-cache-line-size=64 --param l2-cache-size=2048 -std=gnu++11 -Werror -Wno-sign-compare -Icommon/include -Icommon/main -I. .sconf_temp/conftest_2.cpp -o .sconf_temp/conftest_2.o
x86_64-pc-linux-gnu-g++: error: l1-cache-size=16: No such file or directory
x86_64-pc-linux-gnu-g++: error: l1-cache-line-size=64: No such file or directory
scons: Configure: no