On Tue, Jul 18, 2017 at 08:33:05PM +0200, Charles A. Roelli wrote: > It does seem to be gcc: > > (snippet from output of 'make V=1' when compiling src/nsterm.m): > gcc -std=gnu99 -c -Demacs -I. -I. -I../lib -I../lib -D_REENTRANT -I > [...] -MMD -MF deps/nsterm.d -MP -O0 -g3 nsterm.m Can you check whether the attached patch results in a compilation warning from nsterm.m for you, please? -- Alan Third