New configure option: --enable-ubsan.

[paraslash.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 053996d1606b13a1ff3da085d59a0f1451f065af..850e814f21cbe3601441f3f625a712290b7d3015 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -96,8 +96,33 @@ AC_CHECK_HEADER(openssl/ssl.h, [], [HAVE_OPENSSL=no])
 AC_CHECK_LIB([crypto], [RAND_bytes], [], [HAVE_OPENSSL=no])
 LIB_SUBST_FLAGS(openssl)
 if test $HAVE_OPENSSL = yes; then
-       AC_CHECK_LIB([crypto], [RSA_set0_key],
-               AC_DEFINE([HAVE_RSA_SET0_KEY], [1], [openssl-1.1]))
+       HAVE_RSA_SET0_KEY=yes
+       AC_CHECK_DECL([RSA_set0_key], [], [], [#include <openssl/rsa.h>])
+       AC_CHECK_LIB([crypto], [RSA_set0_key], [], [])
+       if test "$ac_cv_have_decl_RSA_set0_key" != "$ac_cv_lib_crypto_RSA_set0_key"; then
+               AC_MSG_ERROR([openssl header/library mismatch])
+       fi
+       test "$ac_cv_have_decl_RSA_set0_key" = yes &&
+               AC_DEFINE([HAVE_RSA_SET0_KEY], [1], [openssl >= 1.1])
+
+       HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=yes
+       AC_CHECK_DECL([CRYPTO_cleanup_all_ex_data], [],
+               [HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=no],
+               [#include <openssl/rsa.h>])
+       AC_CHECK_LIB([crypto], [CRYPTO_cleanup_all_ex_data], [],
+               [HAVE_CRYPTO_CLEANUP_ALL_EX_DATA=no])
+       test $HAVE_CRYPTO_CLEANUP_ALL_EX_DATA = yes &&
+               AC_DEFINE([HAVE_CRYPTO_CLEANUP_ALL_EX_DATA], [1],
+                       [not available on FreeBSD 12])
+       HAVE_OPENSSL_THREAD_STOP=yes
+       AC_CHECK_DECL([OPENSSL_thread_stop], [],
+               [HAVE_OPENSSL_THREAD_STOP=no],
+               [#include <openssl/crypto.h>])
+       AC_CHECK_LIB([crypto], [OPENSSL_thread_stop], [],
+               [HAVE_OPENSSL_THREAD_STOP=no])
+       test $HAVE_OPENSSL_THREAD_STOP = yes &&
+               AC_DEFINE([HAVE_OPENSSL_THREAD_STOP], [1],
+                       [not available on openssl-1.0])
 fi
 UNSTASH_FLAGS
 ######################################################################### gcrypt
@@ -348,6 +373,11 @@ AC_CHECK_HEADER(samplerate.h, [], HAVE_SAMPLERATE=no)
 AC_CHECK_LIB([samplerate], [src_process], [], HAVE_SAMPLERATE=no)
 LIB_SUBST_FLAGS(samplerate)
 UNSTASH_FLAGS
+######################################################################### ubsan
+AC_ARG_ENABLE([ubsan], [AS_HELP_STRING(--enable-ubsan,
+       [Detect and report undefined behaviour.])],
+       [ENABLE_UBSAN=yes], [ENABLE_UBSAN=no])
+AC_SUBST(ENABLE_UBSAN)
 ######################################################################### server
 if test -n "$CRYPTOLIB" && test $HAVE_OSL = yes && test -n "$BISON" && \
                test -n "$FLEX"; then