Improve and simplify function and header detection logic.

Simplify autoconf checks by using AC_CHECK_FUNCS/HEADERS.
Clarify some ambiguous dependencies around strnlen/strndup.
Unconditionally enable pidwraptest for all arc4random implementations.
Remove HAVE_VASPRINTF conditional, since asprintf requires vasprintf.

ok @doug

1 files changed, 1 insertions, 2 deletions

diff --git a/update.sh b/update.sh
index 166f609..97af0ff 100755
--- a/update.sh
+++ b/update.sh
@@ -305,7 +305,6 @@ test_drivers=(
 # disabled by-default tests
 tests_disabled=(
         biotest
-        pidwraptest
 )
 $CP $libc_src/string/memmem.c tests/
 (cd tests
@@ -319,7 +318,7 @@ $CP $libc_src/string/memmem.c tests/
                 echo "check_PROGRAMS += $TEST" >> Makefile.am
                 echo "${TEST}_SOURCES = $i" >> Makefile.am
         done
-        echo "if NO_MEMMEM" >> Makefile.am
+        echo "if !HAVE_MEMMEM" >> Makefile.am
         echo "explicit_bzero_SOURCES += memmem.c" >> Makefile.am
         echo "endif" >> Makefile.am
 )