Not sure if this is a bug if m4 is not supposed to be C89 or C99 clean however I see :
. . . /opt/bw/bin/gmake all-am gmake[3]: Entering directory '/opt/bw/build/m4-1.4.19_sunos5.10_sparcv9.001/lib' source='asyncsafe-spin.c' object='asyncsafe-spin.o' libtool=no \ DEPDIR=.deps depmode=dashXmstdout /opt/bw/bin/bash ../build-aux/depcomp \ /opt/developerstudio12.6/bin/c99 -I. -I/opt/bw/include -D_POSIX_PTHREAD_SEMANTICS -D_LARGEFILE64_SOURCE -D_TS_ERRNO -D_FILE_OFFSET_BITS=64 -D_XOPEN_SOURCE=600 -D_REENTRANT -Xc -errtags=yes -errwarn=%none -m64 -xarch=sparc -xO0 -g -xs -errfmt=error -erroff=%none -errshort=full -xstrconst -xildoff -xmemalign=8s -xnolibmil -xcode=pic32 -xregs=no%appl -xlibmieee -mc -ftrap=%none -xbuiltin=%none -xunroll=1 -Qy -xdebugformat=dwarf -c -o asyncsafe-spin.o asyncsafe-spin.c "asyncsafe-spin.c", line 213: error: undefined symbol: asm "asyncsafe-spin.c", line 213: error: syntax error before or at: volatile "asyncsafe-spin.c", line 238: error: undefined symbol: asm "asyncsafe-spin.c", line 238: error: syntax error before or at: volatile c99: acomp failed for asyncsafe-spin.c gmake[3]: *** [Makefile:2869: asyncsafe-spin.o] Error 2 gmake[3]: Leaving directory '/opt/bw/build/m4-1.4.19_sunos5.10_sparcv9.001/lib' gmake[2]: *** [Makefile:2481: all] Error 2 gmake[2]: Leaving directory '/opt/bw/build/m4-1.4.19_sunos5.10_sparcv9.001/lib' gmake[1]: *** [Makefile:2018: all-recursive] Error 1 gmake[1]: Leaving directory '/opt/bw/build/m4-1.4.19_sunos5.10_sparcv9.001' gmake: *** [Makefile:1974: all] Error 2 Where we see the asm usage that sort of says "not C99 here". However std9899:2011 seems to be just fine. So are we C11 here only ? -- Dennis Clarke RISC-V/SPARC/PPC/ARM/CISC UNIX and Linux spoken GreyBeard and suspenders optional
