/Volumes/pr-14802-fix4/openwrt/build_dir/host/elfutils-0.189$ grep -r 'reallocarray' .

./configure~:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./configure~:if test "x$ac_cv_have_decl_reallocarray" = xyes
./configure.ac:AC_CHECK_DECLS([reallocarray],[],[],
./config.h:/* Define to 1 if you have the declaration of `reallocarray', and to 0 if you
./configure:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./configure:if test "x$ac_cv_have_decl_reallocarray" = xyes
./autom4te.cache/traces.0:    random random_r reallocarray realpath rpmatch secure_getenv setenv
./autom4te.cache/traces.0:    random random_r reallocarray realpath rpmatch secure_getenv setenv
./autom4te.cache/traces.1:m4trace:configure.ac:472: -1- AH_OUTPUT([HAVE_DECL_REALLOCARRAY], [/* Define to 1 if you have the declaration of `reallocarray\', and to 0 if you
./autom4te.cache/output.0:       for gl_func in _Exit aligned_alloc atoll canonicalize_file_name free     getloadavg getprogname getsubopt grantpt     initstate initstate_r mbstowcs mbtowc mkdtemp mkostemp mkostemps mkstemp     mkstemps posix_memalign posix_openpt ptsname ptsname_r qsort_r     random random_r reallocarray realpath rpmatch secure_getenv setenv     setstate setstate_r srandom srandom_r     strtod strtol strtold strtoll strtoul strtoull unlockpt unsetenv; do
./autom4te.cache/output.0:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./autom4te.cache/output.0:if test "x$ac_cv_have_decl_reallocarray" = xyes
./autom4te.cache/output.1:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./autom4te.cache/output.1:if test "x$ac_cv_have_decl_reallocarray" = xyes
./autom4te.cache/traces.3:m4trace:configure.ac:472: -1- AH_OUTPUT([HAVE_DECL_REALLOCARRAY], [/* Define to 1 if you have the declaration of `reallocarray\', and to 0 if you
./autom4te.cache/traces.2:m4trace:configure.ac:472: -1- AH_OUTPUT([HAVE_DECL_REALLOCARRAY], [/* Define to 1 if you have the declaration of `reallocarray\', and to 0 if you
./autom4te.cache/output.3:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./autom4te.cache/output.3:if test "x$ac_cv_have_decl_reallocarray" = xyes
./autom4te.cache/output.2:ac_fn_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "#define _GNU_SOURCE
./autom4te.cache/output.2:if test "x$ac_cv_have_decl_reallocarray" = xyes
./config.h.in:/* Define to 1 if you have the declaration of `reallocarray', and to 0 if you
./debuginfod/debuginfod-client.c:          realloc_ptr = reallocarray(server_url_list, num_urls,
./ChangeLog:	* configure.ac (AC_CHECK_DECLS): Add reallocarray check.
./config.h.in~:/* Define to 1 if you have the declaration of `reallocarray', and to 0 if you
./lib/ChangeLog:	* system.h (reallocarray): New static inline fallback function.
./lib/system.h:reallocarray (void *ptr, size_t nmemb, size_t size)
./m4/stdlib_h.m4:    random random_r reallocarray realpath rpmatch secure_getenv setenv
./config.log:configure:40334: checking whether reallocarray is declared
./config.log:conftest.c:259:10: error: use of undeclared identifier 'reallocarray'
./config.log:  (void) reallocarray;
./config.log:| #ifndef reallocarray
./config.log:|   (void) reallocarray;
./config.log:|   (void) reallocarray;
./config.log:ac_cv_have_decl_reallocarray=no
./libgnu/stdlib.in.h:#   undef reallocarray
./libgnu/stdlib.in.h:#   define reallocarray rpl_reallocarray
./libgnu/stdlib.in.h:_GL_FUNCDECL_RPL (reallocarray, void *,
./libgnu/stdlib.in.h:_GL_CXXALIAS_RPL (reallocarray, void *,
./libgnu/stdlib.in.h:_GL_FUNCDECL_SYS (reallocarray, void *,
./libgnu/stdlib.in.h:_GL_CXXALIAS_SYS (reallocarray, void *,
./libgnu/stdlib.in.h:_GL_CXXALIASWARN (reallocarray);
./libgnu/stdlib.in.h:# undef reallocarray
./libgnu/stdlib.in.h:_GL_WARN_ON_USE (reallocarray, "reallocarray is not portable - "
./libgnu/stdlib.in.h:                 "use gnulib module reallocarray for portability");
./libgnu/stdlib.h:#   undef reallocarray
./libgnu/stdlib.h:#   define reallocarray rpl_reallocarray
./libgnu/stdlib.h:_GL_FUNCDECL_RPL (reallocarray, void *,
./libgnu/stdlib.h:_GL_CXXALIAS_RPL (reallocarray, void *,
./libgnu/stdlib.h:_GL_FUNCDECL_SYS (reallocarray, void *,
./libgnu/stdlib.h:_GL_CXXALIAS_SYS (reallocarray, void *,
./libgnu/stdlib.h:_GL_CXXALIASWARN (reallocarray);
./libgnu/stdlib.h:# undef reallocarray
./libgnu/stdlib.h:_GL_WARN_ON_USE (reallocarray, "reallocarray is not portable - "
./libgnu/stdlib.h:                 "use gnulib module reallocarray for portability");
./aclocal.m4:    random random_r reallocarray realpath rpmatch secure_getenv setenv