Checking for environment: Determined build machine: freebsd.amd64, target machine: freebsd.amd64, OK. Checking for kBuild: found, OK. Checking for gcc: cc: error: no input files c++: error: no input files found version 4.2.1, OK. [..] kmk: *** [/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/cpu-exec.o] Error 1 The failing command: @gcc48 -c -O2 -g -pipe -O2 -mtune=generic -fno-omit-frame-pointer -fno-strict-aliasing -fvisibility=hidden -DVBOX_HAVE_VISIBILITY_HIDDEN -DRT_USE_VISIBILITY_DEFAULT -fPIC -Wno-sign-compare -Werror-implicit-function-declaration -m64 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun/crt -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/target-i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/fpu -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/VBox/VMM/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg/i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler -I/usr/local/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/dtrace -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release -DVBOX -DVBOX_OSE -DVBOX_WITH_64_BITS_GUESTS -DVBOX_WITH_REM -DVBOX_WITH_RAW_MODE -DRT_OS_FREEBSD -D__FREEBSD__ -DRT_ARCH_AMD64 -D__AMD64__ -DVBOX_WITH_DEBUGGER -DVBOX_WITH_HARDENING -DRTPATH_APP_PRIVATE=\"/usr/local/share/virtualbox-ose\" -DRTPATH_APP_PRIVATE_ARCH=\"/usr/local/lib/virtualbox\" -DRTPATH_SHARED_LIBS=\"/usr/local/lib/virtualbox\" -DRTPATH_APP_DOCS=\"/usr/local/share/doc/virtualbox-ose\" -DIN_RING3 -DHC_ARCH_BITS=64 -DGC_ARCH_BITS=64 -DPIC -DIN_REM_R3 -DREM_INCLUDE_CPU_H -DNEED_CPU_H -DVBOX_WITH_NEW_APIC -DVBOX_WITH_RAW_MODE -DVBOX_WITH_RAW_RING1 -DLOG_USE_C99 -D_BSD -D__x86_64__ -Wp,-MD,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/cpu-exec.o.dep -Wp,-MT,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/cpu-exec.o -Wp,-MP -o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/cpu-exec.o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/cpu-exec.c kmk: *** Waiting for unfinished jobs.... kmk: *** [/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/VBoxRecompiler.o] Error 1 The failing command: @gcc48 -c -O2 -g -pipe -O2 -mtune=generic -fno-omit-frame-pointer -fno-strict-aliasing -fvisibility=hidden -DVBOX_HAVE_VISIBILITY_HIDDEN -DRT_USE_VISIBILITY_DEFAULT -fPIC -Wno-sign-compare -Werror-implicit-function-declaration -m64 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun/crt -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/target-i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/fpu -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/VBox/VMM/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg/i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler -I/usr/local/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/dtrace -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release -DVBOX -DVBOX_OSE -DVBOX_WITH_64_BITS_GUESTS -DVBOX_WITH_REM -DVBOX_WITH_RAW_MODE -DRT_OS_FREEBSD -D__FREEBSD__ -DRT_ARCH_AMD64 -D__AMD64__ -DVBOX_WITH_DEBUGGER -DVBOX_WITH_HARDENING -DRTPATH_APP_PRIVATE=\"/usr/local/share/virtualbox-ose\" -DRTPATH_APP_PRIVATE_ARCH=\"/usr/local/lib/virtualbox\" -DRTPATH_SHARED_LIBS=\"/usr/local/lib/virtualbox\" -DRTPATH_APP_DOCS=\"/usr/local/share/doc/virtualbox-ose\" -DIN_RING3 -DHC_ARCH_BITS=64 -DGC_ARCH_BITS=64 -DPIC -DIN_REM_R3 -DREM_INCLUDE_CPU_H -DNEED_CPU_H -DVBOX_WITH_NEW_APIC -DVBOX_WITH_RAW_MODE -DVBOX_WITH_RAW_RING1 -DLOG_USE_C99 -D_BSD -D__x86_64__ -Wp,-MD,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/VBoxRecompiler.o.dep -Wp,-MT,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/VBoxRecompiler.o -Wp,-MP -o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/VBoxRecompiler.o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/VBoxRecompiler.c kmk: *** [/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/exec.o] Error 1 The failing command: @gcc48 -c -O2 -g -pipe -O2 -mtune=generic -fno-omit-frame-pointer -fno-strict-aliasing -fvisibility=hidden -DVBOX_HAVE_VISIBILITY_HIDDEN -DRT_USE_VISIBILITY_DEFAULT -fPIC -Wno-sign-compare -Werror-implicit-function-declaration -m64 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun/crt -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/Sun -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/target-i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/fpu -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/VBox/VMM/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/tcg/i386 -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler -I/usr/local/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/dtrace -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/include -I/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release -DVBOX -DVBOX_OSE -DVBOX_WITH_64_BITS_GUESTS -DVBOX_WITH_REM -DVBOX_WITH_RAW_MODE -DRT_OS_FREEBSD -D__FREEBSD__ -DRT_ARCH_AMD64 -D__AMD64__ -DVBOX_WITH_DEBUGGER -DVBOX_WITH_HARDENING -DRTPATH_APP_PRIVATE=\"/usr/local/share/virtualbox-ose\" -DRTPATH_APP_PRIVATE_ARCH=\"/usr/local/lib/virtualbox\" -DRTPATH_SHARED_LIBS=\"/usr/local/lib/virtualbox\" -DRTPATH_APP_DOCS=\"/usr/local/share/doc/virtualbox-ose\" -DIN_RING3 -DHC_ARCH_BITS=64 -DGC_ARCH_BITS=64 -DPIC -DIN_REM_R3 -DREM_INCLUDE_CPU_H -DNEED_CPU_H -DVBOX_WITH_NEW_APIC -DVBOX_WITH_RAW_MODE -DVBOX_WITH_RAW_RING1 -DLOG_USE_C99 -D_BSD -D__x86_64__ -Wp,-MD,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/exec.o.dep -Wp,-MT,/usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/exec.o -Wp,-MP -o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/out/freebsd.amd64/release/obj/VBoxRemPrimary/exec.o /usr/ports/emulators/virtualbox-ose/work/VirtualBox-5.1.26/src/recompiler/exec.c kmk: *** Exiting with status 2 *** Error code 2 Stop. make[1]: stopped in /usr/ports/emulators/virtualbox-ose *** Error code 1 I test with installed gcc48 ans with deinstalled gcc48 I activeted GUESTADDITIONS pkg info | grep gcc gcc-5.4.0_2 Meta-port for the default version of the GNU Compiler Collection gcc-ecj-4.5 Eclipse Java Compiler used to build GCC Java gcc48-4.8.5_4 GNU Compiler Collection 4.8 gcc5-5.4.0_3 GNU Compiler Collection 5 uname -a FreeBSD phantomias.home.jochen-neumeister.de 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 21 02:08:28 UTC 2017 root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64