https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88191
--- Comment #1 from Matthias Klose <doko at debian dot org> --- that fixes the build, taken from the sparc64 file. --- gcc/ada/libgnarl/s-linux__alpha.ads (revision 266457) +++ gcc/ada/libgnarl/s-linux__alpha.ads (working copy) @@ -87,6 +87,7 @@ SIGKILL : constant := 9; -- kill (cannot be caught or ignored) SIGBUS : constant := 10; -- bus error SIGSEGV : constant := 11; -- segmentation violation + SIGSYS : constant := 12; -- bad system call SIGPIPE : constant := 13; -- write on a pipe with no one to read it SIGALRM : constant := 14; -- alarm clock SIGTERM : constant := 15; -- software termination signal from kill The build continues, but then fails with: /home/packages/cross/9/p/gcc-cross-ports/gcc/build/./gcc/xgcc -B/home/packages/cross/9/p/gcc-cross-ports/gcc/build/./gcc/ - B/usr/alpha-linux-gnu/bin/ -B/usr/alpha-linux-gnu/lib/ -isystem /usr/alpha-linux-gnu/include -isystem /usr/alpha-linux-gnu/ sys-include -isystem /home/packages/cross/9/p/gcc-cross-ports/gcc/build/sys-include -c -g -O2 -W -Wall -gnatpg -nostdi nc -gnatn s-secsta.adb -o s-secsta.o raised STORAGE_ERROR : stack overflow or erroneous memory access make[8]: *** [../gcc-interface/Makefile:299: s-secsta.o] Error 1