port: Add alternative for isinf.
diff --git a/configure b/configure
index 87a5a17..2f1f1ca 100755
--- a/configure
+++ b/configure
@@ -21233,6 +21233,66 @@
fi
+{ echo "$as_me:$LINENO: checking for isinf" >&5
+echo $ECHO_N "checking for isinf... $ECHO_C" >&6; }
+if test "${ac_cv_have_isinf+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <math.h>
+int
+main ()
+{
+float f = 0.0; isinf(f)
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+ (eval "$ac_link") 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && {
+ test -z "$ac_c_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext &&
+ $as_test_x conftest$ac_exeext; then
+ ac_cv_have_isinf="yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_cv_have_isinf="no"
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ echo "$as_me:$LINENO: result: $ac_cv_have_isinf" >&5
+echo "${ECHO_T}$ac_cv_have_isinf" >&6; }
+if test "$ac_cv_have_isinf" = "yes"
+then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ISINF 1
+_ACEOF
+
+fi
+
case $host_cpu in
*i[3456789]86*) { echo "$as_me:$LINENO: checking whether we need to define __i386__" >&5
diff --git a/configure.ac b/configure.ac
index 5c02fb4..e38f5e7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1607,6 +1607,14 @@
AC_DEFINE(HAVE_DAYLIGHT, 1, [Define if you have the daylight variable])
fi
+dnl Check for isinf
+AC_CACHE_CHECK([for isinf], ac_cv_have_isinf,
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; isinf(f)]])],[ac_cv_have_isinf="yes"],[ac_cv_have_isinf="no"]))
+if test "$ac_cv_have_isinf" = "yes"
+then
+ AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have the `isinf' function.])
+fi
+
dnl *** check for the need to define platform-specific symbols
case $host_cpu in
diff --git a/include/config.h.in b/include/config.h.in
index 8763be3..e384f96 100644
--- a/include/config.h.in
+++ b/include/config.h.in
@@ -249,6 +249,9 @@
/* Define to 1 if you have the <io.h> header file. */
#undef HAVE_IO_H
+/* Define to 1 if you have the `isinf' function. */
+#undef HAVE_ISINF
+
/* Define to 1 if you have the <jack/jack.h> header file. */
#undef HAVE_JACK_JACK_H
diff --git a/include/wine/port.h b/include/wine/port.h
index 6727891..01ee835 100644
--- a/include/wine/port.h
+++ b/include/wine/port.h
@@ -299,6 +299,10 @@
pid_t gettid(void);
#endif /* HAVE_GETTID */
+#ifndef HAVE_ISINF
+int isinf(double x);
+#endif
+
#ifndef HAVE_LSTAT
int lstat(const char *file_name, struct stat *buf);
#endif /* HAVE_LSTAT */
diff --git a/libs/port/Makefile.in b/libs/port/Makefile.in
index b7adc12..1c25bf2 100644
--- a/libs/port/Makefile.in
+++ b/libs/port/Makefile.in
@@ -15,6 +15,7 @@
getpagesize.c \
gettid.c \
interlocked.c \
+ isinf.c \
lstat.c \
memcpy_unaligned.c \
memmove.c \
diff --git a/libs/port/isinf.c b/libs/port/isinf.c
new file mode 100644
index 0000000..e0c35ad
--- /dev/null
+++ b/libs/port/isinf.c
@@ -0,0 +1,38 @@
+/*
+ * isinf function
+ *
+ * Copyright 2008 Petr Sumbera
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include "config.h"
+#include "wine/port.h"
+
+#ifndef HAVE_ISINF
+
+#ifdef HAVE_IEEEFP_H
+#include <ieeefp.h>
+
+int isinf(double x)
+{
+ return (!(finite(x) || isnand(x)));
+}
+
+#else
+#error No isinf() implementation available.
+#endif
+
+#endif /* HAVE_ISINF */
