https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61577
--- Comment #156 from dave.anglin at bell dot net --- On 2020-02-11 11:31 a.m., peter.bisroev at groundlabs dot com wrote: > However the above can be compiled with -O0 with the same compiler. So I > changed > my build line to use -O0 as well: > ---------- > gmake \ > STAGE1_CFLAGS="-D_XOPEN_SOURCE_EXTENDED -g -O1" \ > STAGE1_CXXFLAGS="-D_XOPEN_SOURCE_EXTENDED -g -O1" \ > STAGE1_TFLAGS='-g -O0 -D_XOPEN_SOURCE_EXTENDED' \ > BOOT_CFLAGS='-g -O0 -D_XOPEN_SOURCE_EXTENDED' \ > CFLAGS_FOR_TARGET='-g -O0 -D_XOPEN_SOURCE_EXTENDED' bootstrap Regarding the _XOPEN_SOURCE_EXTENDED define, I changed the PA-RISC backend to automatically enable the XOPEN extensions. See pa-hpux11.h. This makes the HP-UX c++ environment closer to Linux. I doubt you need to define STAGE1_TFLAGS. Likewise for CFLAGS_FOR_TARGET. You may want BOOT_CXXFLAGS.
