depbase=`echo src/guile.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\ gcc -DHAVE_CONFIG_H -Isrc -I./src -Ilib -I./lib -DLIBDIR=\"/usr/local/lib\" -DLOCALEDIR=\"/usr/local/share/locale\" -DMAKE_MAINTAINER_MODE -isystem /usr/include/guile/2.2 -pthread -C -Wall -Wextra -Werror -Wwrite-strings -Wshadow -Wdeclaration-after-statement -Wbad-function-cast -Wformat-security -Wtype-limits -Wunused-but-set-parameter -Wlogical-op -Wpointer-arith -Wignored-qualifiers -Wformat-signedness -Wduplicated-cond -g -O2 -MT src/guile.o -MD -MP -MF $depbase.Tpo -c -o src/guile.o src/guile.c &&\ mv -f $depbase.Tpo $depbase.Po src/read.c: In function ‘find_percent_cached’: cc1: error: function may return address of local variable [-Werror=return-local-addr] In file included from src/makeint.h:31, from src/read.c:17: lib/alloca.h:47:18: note: declared here 47 | # define alloca __builtin_alloca src/read.c:2532:19: note: in expansion of macro ‘alloca’ 2532 | new = alloca (slen + 1); | ^~~~~~ src/main.c: In function ‘main’: src/main.c:1946:13: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] 1946 | p[-1] = '\0'; | ~~~~~~^~~~~~ src/main.c:1943:15: note: destination object of size [0, 9223372036854775807] allocated by ‘quote_for_env’ 1943 | p = quote_for_env (p, eval_strings->list[i]); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from src/makeint.h:31, from src/main.c:17: lib/alloca.h:47:18: note: at offset -1 into destination object of size [0, 9223372036854775807] allocated by ‘__builtin_alloca’ 47 | # define alloca __builtin_alloca src/main.c:1938:19: note: in expansion of macro ‘alloca’ 1938 | p = value = alloca (len); | ^~~~~~ src/read.c: In function ‘eval’: src/read.c:1196:28: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=] 1196 | *(--semip) = ';'; | ~~~~~~~~~~~^~~~~ src/read.c:1015:19: note: destination object of size [0, 9223372036854775807] allocated by ‘find_map_unquote’ 1015 | cmdleft = find_map_unquote (line, MAP_SEMI|MAP_COMMENT|MAP_VARIABLE); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make[1]: *** [Makefile:1428: src/main.o] Error 1 make[1]: *** Waiting for unfinished jobs.... cc1: all warnings being treated as errors make[1]: *** [Makefile:1428: src/read.o] Error 1 make[1]: Leaving directory '/path/to/build/make' make: *** [Makefile:1514: all-recursive] Error 1