include a proper check for memmem when configuring unit tests

This allows the proper compatibility header definition to be exposed.

2 files changed, 7 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 06ecda5..961cf18 100644
--- a/configure.ac
+++ b/configure.ac
@@ -117,6 +117,11 @@ AC_CHECK_FUNC(strtonum,
         AC_DEFINE(NO_STRTONUM)
         AM_CONDITIONAL(NO_STRTONUM, true))
 
+AC_CHECK_FUNC(memmem,
+        AM_CONDITIONAL(NO_MEMMEM, false),
+        AC_DEFINE(NO_MEMMEM)
+        AM_CONDITIONAL(NO_MEMMEM, true))
+
 AC_CHECK_FUNC(explicit_bzero,
         AM_CONDITIONAL(NO_EXPLICIT_BZERO, false),
         AC_DEFINE(NO_EXPLICIT_BZERO)
diff --git a/update.sh b/update.sh
index 269b670..a087a4c 100755
--- a/update.sh
+++ b/update.sh
@@ -321,7 +321,9 @@ $CP $libc_src/string/memmem.c tests/
                 echo "${TEST}_LDADD = \$(top_builddir)/ssl/libssl.la" >> Makefile.am
                 echo "${TEST}_LDADD += \$(top_builddir)/crypto/libcrypto.la" >> Makefile.am
         done
+        echo "if NO_MEMMEM" >> Makefile.am
         echo "explicit_bzero_SOURCES += memmem.c" >> Makefile.am
+        echo "endif" >> Makefile.am
 )
 $CP $libcrypto_regress/evp/evptests.txt tests
 $CP $libcrypto_regress/aead/aeadtests.txt tests