Commit de124dcafac678351366b0572938398ea7ae93e4
2024-02-20T04:28:01
build: Make digest function checks conditional on their use The digest function checks where unconditionally requiring the functions to exist or they would error out. But these functions are not required on all systems, they depend on the ABI to be exposed.
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diff --git a/configure.ac b/configure.ac
index 91e8fbf..a6e63db 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,7 +44,7 @@ need_err=yes
need_errc=yes
need_fpurge=yes
need_funopen=yes
-need_md5=yes
+need_md5=no
need_name_from_id=yes
need_nlist=yes
need_progname=yes
@@ -169,20 +169,28 @@ AM_CONDITIONAL([HAVE_LIBTESTU01],
[test "x$ac_cv_lib_testu01_unif01_CreateExternGenBits" = "xyes"])
saved_LIBS="$LIBS"
-AC_SEARCH_LIBS([MD5Update], [md], [
- AS_IF([test "x$ac_cv_search_MD5Update" != "xnone required"], [
- MD5_LIBS="$MD5_LIBS $ac_cv_search_MD5Update"
- need_transparent_libmd=yes
+AS_IF([test "$need_md5" = "yes"], [
+ AC_SEARCH_LIBS([MD5Update], [md], [
+ AS_IF([test "x$ac_cv_search_MD5Update" != "xnone required"], [
+ MD5_LIBS="$MD5_LIBS $ac_cv_search_MD5Update"
+ need_transparent_libmd=yes
+ ])
+ ], [
+ AC_MSG_ERROR([cannot find required MD5 functions in libc or libmd])
])
-], [
- AC_MSG_ERROR([cannot find required MD5 functions in libc or libmd])
])
-AC_SEARCH_LIBS([SHA512Update], [md], [
- AS_IF([test "x$ac_cv_search_SHA512Update" != "xnone required"], [
- LIBBSD_LIBS="$LIBBSD_LIBS $ac_cv_search_SHA512Update"
+AS_IF([test "$need_arc4random" = "yes"], [
+ AC_CHECK_FUNCS([getentropy])
+
+ AS_IF([test "$ac_cv_func_getentropy" != "yes"], [
+ AC_SEARCH_LIBS([SHA512Update], [md], [
+ AS_IF([test "x$ac_cv_search_SHA512Update" != "xnone required"], [
+ LIBBSD_LIBS="$SHA512_LIBS $ac_cv_search_SHA512Update"
+ ])
+ ], [
+ AC_MSG_ERROR([cannot find required SHA-2 functions in libc or libmd])
+ ])
])
-], [
- AC_MSG_ERROR([cannot find required SHA-2 functions in libc or libmd])
])
LIBS="$saved_LIBS"