enhanced the openssl library check in configure.ac

mio/Makefile.in

@@ -347,6 +347,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -577,7 +578,7 @@ distdir: $(DISTFILES)
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)
 
 dist-bzip2: distdir
@@ -603,7 +604,7 @@ dist-shar: distdir
 	@echo WARNING: "Support for shar distribution archives is" \
 	               "deprecated." >&2
 	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
-	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
+	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)
 
 dist-zip: distdir
@@ -621,7 +622,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -631,7 +632,7 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac

mio/configure

@@ -771,6 +771,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -861,6 +862,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1113,6 +1115,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1250,7 +1261,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1403,6 +1414,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -18546,7 +18558,19 @@ fi
 done
 
 
-	if test "x$ac_cv_func_SSL_library_init" = "xyes"
+			for ac_func in OPENSSL_init_ssl
+do :
+  ac_fn_c_check_func "$LINENO" "OPENSSL_init_ssl" "ac_cv_func_OPENSSL_init_ssl"
+if test "x$ac_cv_func_OPENSSL_init_ssl" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_OPENSSL_INIT_SSL 1
+_ACEOF
+
+fi
+done
+
+
+	if test "x$ac_cv_func_SSL_library_init" = "xyes" -o "x$ac_cv_func_OPENSSL_init_ssl" = "xyes"
 	then
 
 $as_echo "#define HAVE_SSL 1" >>confdefs.h
@@ -18641,6 +18665,98 @@ fi
 						$as_echo "#define HAVE_SSL_LIBRARY_INIT 1" >>confdefs.h
 
 
+fi
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for OPENSSL_init_ssl in -lssl" >&5
+$as_echo_n "checking for OPENSSL_init_ssl in -lssl... " >&6; }
+if ${ac_cv_lib_ssl_OPENSSL_init_ssl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lssl  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char OPENSSL_init_ssl ();
+int
+main ()
+{
+return OPENSSL_init_ssl ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_ssl_OPENSSL_init_ssl=yes
+else
+  ac_cv_lib_ssl_OPENSSL_init_ssl=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_OPENSSL_init_ssl" >&5
+$as_echo "$ac_cv_lib_ssl_OPENSSL_init_ssl" >&6; }
+if test "x$ac_cv_lib_ssl_OPENSSL_init_ssl" = xyes; then :
+
+			SSL_LIBS="-lssl"
+
+$as_echo "#define HAVE_SSL 1" >>confdefs.h
+
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ERR_get_error in -lcrypto" >&5
+$as_echo_n "checking for ERR_get_error in -lcrypto... " >&6; }
+if ${ac_cv_lib_crypto_ERR_get_error+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcrypto  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char ERR_get_error ();
+int
+main ()
+{
+return ERR_get_error ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_crypto_ERR_get_error=yes
+else
+  ac_cv_lib_crypto_ERR_get_error=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypto_ERR_get_error" >&5
+$as_echo "$ac_cv_lib_crypto_ERR_get_error" >&6; }
+if test "x$ac_cv_lib_crypto_ERR_get_error" = xyes; then :
+
+				SSL_LIBS="${SSL_LIBS} -lcrypto"
+
+fi
+
+
+						$as_echo "#define HAVE_OPENSSL_INIT_SSL 1" >>confdefs.h
+
+
 fi
 
 	fi

mio/configure.ac

@@ -279,7 +279,11 @@ then
 	dnl check for an SSL library
 	AC_CHECK_FUNCS([SSL_library_init])
 
-	if test "x$ac_cv_func_SSL_library_init" = "xyes"
+	dnl SSL_library_init is a macro aliasing OPENSSL_init_ssl in openssl 1.1.0 or later
+	dnl   #define SSL_library_init() OPENSSL_init_ssl(0, NULL)
+	AC_CHECK_FUNCS([OPENSSL_init_ssl])
+
+	if test "x$ac_cv_func_SSL_library_init" = "xyes" -o "x$ac_cv_func_OPENSSL_init_ssl" = "xyes"
 	then
 		AC_DEFINE(HAVE_SSL, 1, [ssl support])
 	else
@@ -295,6 +299,19 @@ then
 			dnl only for consistency with AC_CHECK_FUNCS
 			AC_DEFINE(HAVE_SSL_LIBRARY_INIT, 1)
 		])
+
+		AC_CHECK_LIB([ssl], [OPENSSL_init_ssl], [
+			SSL_LIBS="-lssl"
+			AC_DEFINE(HAVE_SSL, 1, [ssl support])
+
+			dnl additional check
+			AC_CHECK_LIB([crypto], [ERR_get_error], [
+				SSL_LIBS="${SSL_LIBS} -lcrypto"
+			])
+
+			dnl only for consistency with AC_CHECK_FUNCS
+			AC_DEFINE(HAVE_OPENSSL_INIT_SSL, 1)
+		])
 	fi
 
 	OLDLIBS="$LIBS"

mio/lib/Makefile.in

@@ -365,6 +365,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@

mio/lib/main.c

@@ -657,7 +657,7 @@ int main (int argc, char* argv[])
 	tcp_conn.options = MIO_DEV_SCK_CONNECT_SSL;
 	if (mio_dev_sck_connect(tcp[0], &tcp_conn) <= -1)
 	{
-		printf ("mio_dev_sck_connect() failed....\n");
+		MIO_INFO0 (mio, "tcp[0] mio_dev_sck_connect() failed....\n");
 		/* carry on regardless of failure */
 	}
 
@@ -672,7 +672,7 @@ int main (int argc, char* argv[])
 	tcp[1] = mio_dev_sck_make(mio, MIO_SIZEOF(tcp_server_t), &tcp_make);
 	if (!tcp[1])
 	{
-		printf ("Cannot make tcp\n");
+		MIO_INFO0 (mio, "cannot make tcp[1]....\n");
 		goto oops;
 	}
 	ts = (tcp_server_t*)(tcp[1] + 1);
@@ -684,7 +684,7 @@ int main (int argc, char* argv[])
 
 	if (mio_dev_sck_bind(tcp[1],&tcp_bind) <= -1)
 	{
-		printf ("tcp[1] mio_dev_sck_bind() failed....\n");
+		MIO_INFO0 (mio, "tcp[1] mio_dev_sck_bind() failed....\n");
 		goto oops;
 	}
 
@@ -692,7 +692,7 @@ int main (int argc, char* argv[])
 	tcp_lstn.backlogs = 100;
 	if (mio_dev_sck_listen(tcp[1], &tcp_lstn) <= -1)
 	{
-		printf ("tcp[1] mio_dev_sck_listen() failed....\n");
+		MIO_INFO0 (mio, "tcp[1] mio_dev_sck_listen() failed....\n");
 		goto oops;
 	}
 
@@ -722,14 +722,14 @@ int main (int argc, char* argv[])
 
 	if (mio_dev_sck_bind(tcp[2], &tcp_bind) <= -1)
 	{
-		printf ("tcp[2] mio_dev_sck_bind() failed....\n");
+		MIO_INFO0 (mio, "tcp[2] mio_dev_sck_bind() failed....\n");
 		goto oops;
 	}
 
 	tcp_lstn.backlogs = 100;
 	if (mio_dev_sck_listen(tcp[2], &tcp_lstn) <= -1)
 	{
-		printf ("tcp[2] mio_dev_sck_listen() failed....\n");
+		MIO_INFO0 (mio, "tcp[2] mio_dev_sck_listen() failed....\n");
 		goto oops;
 	}
 

mio/lib/mio-cfg.h.in

@@ -370,6 +370,9 @@
 /* Define to 1 if you have the <openssl/err.h> header file. */
 #undef HAVE_OPENSSL_ERR_H
 
+/* Define to 1 if you have the `OPENSSL_init_ssl' function. */
+#undef HAVE_OPENSSL_INIT_SSL
+
 /* Define to 1 if you have the <openssl/ssl.h> header file. */
 #undef HAVE_OPENSSL_SSL_H
 

mio/lib/mio-pro.c

@@ -152,7 +152,7 @@ static pid_t standard_fork_and_exec (mio_t* mio, int pfds[], int flags, param_t*
 			pfds[1] = MIO_SYSHND_INVALID;
 
 			/* let the pipe be standard input */
-			if (dup2 (pfds[0], 0) <= -1) goto slave_oops;
+			if (dup2(pfds[0], 0) <= -1) goto slave_oops;
 
 			close (pfds[0]);
 			pfds[0] = MIO_SYSHND_INVALID;

mio/lib/mio.c

@@ -1268,25 +1268,6 @@ int mio_dev_timedwrite (mio_dev_t* dev, const void* data, mio_iolen_t len, const
 	return __dev_write(dev, data, len, tmout, wrctx, dstaddr);
 }
 
-int mio_makesyshndasync (mio_t* mio, mio_syshnd_t hnd)
-{
-#if defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK)
-	int flags;
-
-	if ((flags = fcntl(hnd, F_GETFL)) <= -1 ||
-	    (flags = fcntl(hnd, F_SETFL, flags | O_NONBLOCK)) <= -1)
-	{
-		mio_seterrwithsyserr (mio, 0, errno);
-		return -1;
-	}
-
-	return 0;
-#else
-	mio_seterrnum (mio, MIO_ENOIMPL);
-	return -1;
-#endif
-}
-
 /* -------------------------------------------------------------------------- */
 
 void mio_gettime (mio_t* mio, mio_ntime_t* now)

mio/lib/sys.c

@@ -67,3 +67,26 @@ void mio_sys_fini (mio_t* mio)
 	mio_freemem (mio, mio->sysdep);
 	mio->sysdep = MIO_NULL;
 }
+
+
+/* TODO: migrate this function */
+#include <fcntl.h>
+#include <errno.h>
+int mio_makesyshndasync (mio_t* mio, mio_syshnd_t hnd)
+{
+#if defined(F_GETFL) && defined(F_SETFL) && defined(O_NONBLOCK)
+	int flags;
+
+	if ((flags = fcntl(hnd, F_GETFL)) <= -1 ||
+	    (flags = fcntl(hnd, F_SETFL, flags | O_NONBLOCK)) <= -1)
+	{
+		mio_seterrwithsyserr (mio, 0, errno);
+		return -1;
+	}
+
+	return 0;
+#else
+	mio_seterrnum (mio, MIO_ENOIMPL);
+	return -1;
+#endif
+}