CFLAGS isn't used when compiling the generated file sigfe.s, so if that contains -g, it lacks source debugging information.
2015-02-19 Jon TURNEY <[email protected]> * Makefile.in (sigfe.o): Use CFLAGS. Index: cygwin/Makefile.in =================================================================== RCS file: /cvs/src/src/winsup/cygwin/Makefile.in,v retrieving revision 1.278 diff -u -u -p -r1.278 Makefile.in --- cygwin/Makefile.in 28 Jan 2015 11:43:06 -0000 1.278 +++ cygwin/Makefile.in 19 Feb 2015 13:12:11 -0000 @@ -710,7 +710,7 @@ sigfe.s: $(DEF_FILE) [ -s $@ ] && touch $@ sigfe.o: sigfe.s - $(CC) -c -o $@ $< + $(CC) ${CFLAGS} -c -o $@ $< ctags: CTAGS tags: CTAGS
