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build: Make digest function checks conditional on their use

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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.
This commit is contained in:
Guillem Jover 2024-02-20 04:28:01 +01:00
parent 1d28729514
commit de124dcafa
1 changed files with 20 additions and 12 deletions
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32
configure.ac
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@ -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"