Am making SITL with GCC 7.5 and this is the output, anything wrong?
make px4_sitl_default jmavsim
[181/731] Building C object src/lib/version/CMakeFiles/version.dir/version.c.o
FAILED: src/lib/version/CMakeFiles/version.dir/version.c.o
/usr/bin/ccache /usr/bin/cc -DBUILD_URI=localhost -DCONFIG_ARCH_BOARD_PX4_SITL -DENABLE_LOCKSTEP_SCHEDULER -DPX4_BOARD_NAME=\"PX4_SITL\" -D__CUSTOM_FILE_IO__ -D__PX4_LINUX -D__PX4_POSIX -D__STDC_FORMAT_MACROS -Dnoreturn_function="__attribute__((noreturn))" -I../../boards/px4/sitl/src -I../../platforms/posix/src/px4/common/include -I. -Isrc/lib -I../../platforms/posix/src/px4/generic/generic/include -I../../platforms/common/include -I../../src -I../../src/include -I../../src/lib -I../../src/lib/matrix -I../../src/modules -I../../platforms/posix/include -Iexternal/Install/include -Isrc/lib/version -O2 -g -DNDEBUG -fPIC -g -fdata-sections -ffunction-sections -fomit-frame-pointer -fmerge-all-constants -fno-signed-zeros -fno-trapping-math -freciprocal-math -fno-math-errno -fno-strict-aliasing -fvisibility=hidden -include visibility.h -Wall -Wextra -Werror -Warray-bounds -Wcast-align -Wdisabled-optimization -Wdouble-promotion -Wfatal-errors -Wfloat-equal -Wformat-security -Winit-self -Wlogical-op -Wpointer-arith -Wshadow -Wuninitialized -Wunknown-pragmas -Wunused-variable -Wno-missing-field-initializers -Wno-missing-include-dirs -Wno-unused-parameter -fcolor-diagnostics -fdiagnostics-absolute-paths -Qunused-arguments -Wno-unknown-warning-option -Wno-unused-const-variable -Wno-varargs -fno-common -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -std=gnu11 -MD -MT src/lib/version/CMakeFiles/version.dir/version.c.o -MF src/lib/version/CMakeFiles/version.dir/version.c.o.d -o src/lib/version/CMakeFiles/version.dir/version.c.o -c ../../src/lib/version/version.c
cc: error: unrecognized command line option ‘-fcolor-diagnostics’
cc: error: unrecognized command line option ‘-fdiagnostics-absolute-paths’; did you mean ‘-fdiagnostics-generate-patch’?
cc: error: unrecognized command line option ‘-Qunused-arguments’; did you mean ‘-Wunused-parameter’?
[182/731] Building C object platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_rem.c.o
FAILED: platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_rem.c.o
/usr/bin/ccache /usr/bin/cc -DCONFIG_ARCH_BOARD_PX4_SITL -DENABLE_LOCKSTEP_SCHEDULER -DMODULE_NAME=\"work_queue\" -D__CUSTOM_FILE_IO__ -D__PX4_LINUX -D__PX4_POSIX -D__STDC_FORMAT_MACROS -Dnoreturn_function="__attribute__((noreturn))" -I../../boards/px4/sitl/src -I../../platforms/posix/src/px4/common/include -I. -Isrc/lib -I../../platforms/posix/src/px4/generic/generic/include -I../../platforms/common/include -I../../src -I../../src/include -I../../src/lib -I../../src/lib/matrix -I../../src/modules -I../../platforms/posix/include -Iexternal/Install/include -O2 -g -DNDEBUG -fPIC -g -fdata-sections -ffunction-sections -fomit-frame-pointer -fmerge-all-constants -fno-signed-zeros -fno-trapping-math -freciprocal-math -fno-math-errno -fno-strict-aliasing -fvisibility=hidden -include visibility.h -Wall -Wextra -Werror -Warray-bounds -Wcast-align -Wdisabled-optimization -Wdouble-promotion -Wfatal-errors -Wfloat-equal -Wformat-security -Winit-self -Wlogical-op -Wpointer-arith -Wshadow -Wuninitialized -Wunknown-pragmas -Wunused-variable -Wno-missing-field-initializers -Wno-missing-include-dirs -Wno-unused-parameter -fcolor-diagnostics -fdiagnostics-absolute-paths -Qunused-arguments -Wno-unknown-warning-option -Wno-unused-const-variable -Wno-varargs -fno-common -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wno-cast-align -std=gnu11 -MD -MT platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_rem.c.o -MF platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_rem.c.o.d -o platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_rem.c.o -c ../../platforms/common/work_queue/dq_rem.c
cc: error: unrecognized command line option ‘-fcolor-diagnostics’
cc: error: unrecognized command line option ‘-fdiagnostics-absolute-paths’; did you mean ‘-fdiagnostics-generate-patch’?
cc: error: unrecognized command line option ‘-Qunused-arguments’; did you mean ‘-Wunused-parameter’?
[183/731] Building C object platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_remfirst.c.o
FAILED: platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_remfirst.c.o
/usr/bin/ccache /usr/bin/cc -DCONFIG_ARCH_BOARD_PX4_SITL -DENABLE_LOCKSTEP_SCHEDULER -DMODULE_NAME=\"work_queue\" -D__CUSTOM_FILE_IO__ -D__PX4_LINUX -D__PX4_POSIX -D__STDC_FORMAT_MACROS -Dnoreturn_function="__attribute__((noreturn))" -I../../boards/px4/sitl/src -I../../platforms/posix/src/px4/common/include -I. -Isrc/lib -I../../platforms/posix/src/px4/generic/generic/include -I../../platforms/common/include -I../../src -I../../src/include -I../../src/lib -I../../src/lib/matrix -I../../src/modules -I../../platforms/posix/include -Iexternal/Install/include -O2 -g -DNDEBUG -fPIC -g -fdata-sections -ffunction-sections -fomit-frame-pointer -fmerge-all-constants -fno-signed-zeros -fno-trapping-math -freciprocal-math -fno-math-errno -fno-strict-aliasing -fvisibility=hidden -include visibility.h -Wall -Wextra -Werror -Warray-bounds -Wcast-align -Wdisabled-optimization -Wdouble-promotion -Wfatal-errors -Wfloat-equal -Wformat-security -Winit-self -Wlogical-op -Wpointer-arith -Wshadow -Wuninitialized -Wunknown-pragmas -Wunused-variable -Wno-missing-field-initializers -Wno-missing-include-dirs -Wno-unused-parameter -fcolor-diagnostics -fdiagnostics-absolute-paths -Qunused-arguments -Wno-unknown-warning-option -Wno-unused-const-variable -Wno-varargs -fno-common -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wno-cast-align -std=gnu11 -MD -MT platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_remfirst.c.o -MF platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_remfirst.c.o.d -o platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_remfirst.c.o -c ../../platforms/common/work_queue/dq_remfirst.c
cc: error: unrecognized command line option ‘-fcolor-diagnostics’
cc: error: unrecognized command line option ‘-fdiagnostics-absolute-paths’; did you mean ‘-fdiagnostics-generate-patch’?
cc: error: unrecognized command line option ‘-Qunused-arguments’; did you mean ‘-Wunused-parameter’?
[184/731] Building C object platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_addlast.c.o
FAILED: platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_addlast.c.o
/usr/bin/ccache /usr/bin/cc -DCONFIG_ARCH_BOARD_PX4_SITL -DENABLE_LOCKSTEP_SCHEDULER -DMODULE_NAME=\"work_queue\" -D__CUSTOM_FILE_IO__ -D__PX4_LINUX -D__PX4_POSIX -D__STDC_FORMAT_MACROS -Dnoreturn_function="__attribute__((noreturn))" -I../../boards/px4/sitl/src -I../../platforms/posix/src/px4/common/include -I. -Isrc/lib -I../../platforms/posix/src/px4/generic/generic/include -I../../platforms/common/include -I../../src -I../../src/include -I../../src/lib -I../../src/lib/matrix -I../../src/modules -I../../platforms/posix/include -Iexternal/Install/include -O2 -g -DNDEBUG -fPIC -g -fdata-sections -ffunction-sections -fomit-frame-pointer -fmerge-all-constants -fno-signed-zeros -fno-trapping-math -freciprocal-math -fno-math-errno -fno-strict-aliasing -fvisibility=hidden -include visibility.h -Wall -Wextra -Werror -Warray-bounds -Wcast-align -Wdisabled-optimization -Wdouble-promotion -Wfatal-errors -Wfloat-equal -Wformat-security -Winit-self -Wlogical-op -Wpointer-arith -Wshadow -Wuninitialized -Wunknown-pragmas -Wunused-variable -Wno-missing-field-initializers -Wno-missing-include-dirs -Wno-unused-parameter -fcolor-diagnostics -fdiagnostics-absolute-paths -Qunused-arguments -Wno-unknown-warning-option -Wno-unused-const-variable -Wno-varargs -fno-common -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wno-cast-align -std=gnu11 -MD -MT platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_addlast.c.o -MF platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_addlast.c.o.d -o platforms/common/work_queue/CMakeFiles/work_queue.dir/dq_addlast.c.o -c ../../platforms/common/work_queue/dq_addlast.c
cc: error: unrecognized command line option ‘-fcolor-diagnostics’
cc: error: unrecognized command line option ‘-fdiagnostics-absolute-paths’; did you mean ‘-fdiagnostics-generate-patch’?
cc: error: unrecognized command line option ‘-Qunused-arguments’; did you mean ‘-Wunused-parameter’?
[186/731] Building CXX object src/lib/rc/CMakeFiles/rc.dir/dsm.cpp.o
ninja: build stopped: subcommand failed.
Makefile:217: recipe for target 'px4_sitl_default' failed
make: *** [px4_sitl_default] Error 1