On 21 April 2016 at 20:03, Kevin Abbey wrote: > Hi, > > I'm experience the similar error as discussed previously: > > https://gcc.gnu.org/ml/gcc-help/2015-03/msg00115.html > > > This is where my build stops. Any idea why this happens? > > > g++ -g -DIN_GCC -fno-exceptions -fno-rtti -fasynchronous-unwind-tables > -W -Wall -Wwrite-strings -Wcast-qual -Wno-format -Wmissing-format-attribute > -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings > -DHAVE_CONFIG_H -o xg++ \ > gcc.o ggc-none.o cp/g++spec.o driver-i386.o libcommon-target.a \ > libcommon.a ../libcpp/libcpp.a ../libbacktrace/.libs/libbacktrace.a > ../libiberty/libiberty.a ../libdecnumber/libdecnumber.a > > g++: braced spec '%:sanitize(address):%{!shared:libasan_preinit%O%s} > %{static-libasan:%{!shared:-Bstatic --whole-archive -lasan > --no-whole-archive -Bdynamic}}%{!static-libasan:-lasan}} > %{%:sanitize(thread):%{static-libtsan:%{!shared:-Bstatic --whole-archive > -ltsan --no-whole-archive -Bdynamic}}%{!static-libtsan:-ltsan}} > %{%:sanitize(leak):%{static-liblsan:%{!shared:-Bstatic --whole-archive > -llsan --no-whole-archive -Bdynamic}}%{!static-liblsan:-llsan}}' is invalid > at '%' The only explanation I've seen for this is having bad settings in the environment, see https://gcc.gnu.org/ml/gcc-help/2015-06/msg00060.html Make sure you haven't got anything in your environment interfering with the build.